ChangeLog-2004   [plain text]

2004-12-31  Richard Henderson  <>

	PR tree-opt/19042
	* tree-sra.c (decide_block_copy): Force use_block_copy false
	for complex values.

2004-12-31  Richard Henderson  <>

	PR middle-end/17799
	* function.c (use_register_for_decl): Check DECL_IGNORED_P instead
	(assign_parms_augmented_arg_list): Set DECL_IGNORED_P.
	* c-decl.c (build_compound_literal): Likewise.
	* dwarf2asm.c (dw2_force_const_mem): Likewise.
	* gimplify.c (create_artificial_label): Likewise.
	* tree-inline.c (expand_call_inline): Likewise.
	* var-tracking.c (vt_initialize): Likewise.
	* tree-outof-ssa.c (create_temp): Copy DECL_IGNORED_P.

2004-12-31  Andrew Pinski  <>

	PR target/19211
	* config/darwin.c (machopic_legitimize_pic_address): If the orig
	is subregister return orig.

2004-12-31  Zdenek Dvorak  <>

	* tree-scalar-evolution.c (instantiate_parameters_1): Copy the
	expression only if needed.

2004-12-31  John David Anglin  <>


2004-12-31  Hans-Peter Nilsson  <>

	PR target/18701
	* combine.c (combine_simplify_rtx): Do not allow paradoxical
	subregs of MEM.

	PR target/18701
	* combine.c (gen_lowpart_for_combine): When stripping SUBREG of
	MEM, adjust imode and isize.

2004-12-30  Richard Henderson  <>

	* config/ia64/ia64.c (hfa_element_mode): Return false for
	zero-sized top-level aggregates.

2004-12-30  Jan Hubicka  <>

	PR target/18019
	* (movqi_1): Fix -Os instruction choice.

2004-12-30  Steven Bosscher  <>

	* global.c (regclass_intersect): Remove.
	(mark_reg_use_for_earlyclobber): Use reg_classes_intersect_p instead.

2004-12-30  Richard Henderson  <>

	* config/ia64/ia64.c (ia64_function_value): Use PARALLEL for
	aggregates with XF/XCmode.

2004-12-29  Richard Henderson  <>

	* target.h (targetm.calls.arg_partial_bytes): New.
	* target-def.h (TARGET_ARG_PARTIAL_BYTES): New.
	* calls.c (store_unaligned_arguments_into_pseudos): Update for
	partial in bytes.
	(load_register_parameters): Likewise.
	(store_one_arg): Likewise.
	(initialize_argument_information): Use targetm.calls.arg_partial_bytes.
	(emit_library_call_value_1): Likewise.
	* expr.c (block_move_libcall_safe_for_call_parm): Likewise.
	(emit_push_insn): Update for partial in bytes.
	* function.c (assign_parm_find_entry_rtl): Use
	targetm.calls.arg_partial_bytes.  Update for result in bytes.
	(locate_and_pad_parm): Update for partial in bytes.
	* system.h (FUNCTION_ARG_PARTIAL_NREGS): Poison.
	* targhooks.c (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): New.
	* targhooks.h (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Declare.
	* doc/tm.texi (TARGET_ARG_PARTIAL_BYTES): Rename and update from

	* config/arc/arc.h, config/c4x/c4x.h, config/i386/i386.h,
	config/i860/i860.h, config/m68hc11/m68hc11.h, config/m68k/m68k.h,
	config/pdp11/pdp11.h, config/s390/s390.h, config/stormy16/stormy16.h,
	config/xtensa/xtensa.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.

	* config/alpha/alpha.c (alpha_arg_partial_bytes): New.
	* config/alpha/alpha.h, config/alpha/unicosmk.h,
	config/alpha/vms.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.

	* config/arm/arm.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/arm/arm.c (arm_arg_partial_bytes): ... here.

	* config/cris/cris.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/cris/cris.c (cris_arg_partial_bytes): ... here.

	* config/fr30/fr30.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/fr30/fr30.c (fr30_arg_partial_bytes): Rename from
	fr30_function_arg_partial_nregs.  Adjust to return bytes.
	* config/fr30/fr30-protos.h: Update.

	* config/frv/frv.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/frv/frv.c (frv_arg_partial_bytes): Rename from
	frv_function_arg_partial_nregs.  Adjust to return bytes.
	* config/frv/frv-protos.h: Update.

	* config/ia64/ia64.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/ia64/ia64.c (ia64_arg_partial_bytes): Rename from
	ia64_function_arg_partial_nregs.  Adjust to return bytes.
	* config/ia64/ia64-protos.h: Update.

	* config/iq2000/iq2000.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/iq2000/iq2000.c (iq2000_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/iq2000/iq2000-protos.h: Update.

	* config/m32r/m32r.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/m32r/m32r.c (m32r_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/m32r/m32r-protos.h: Update.

	* config/mcore/mcore.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/mcore/mcore.c (mcore_arg_partial_bytes): Rename from
	mcore_function_arg_partial_nregs.  Adjust to return bytes.
	* config/mcore/mcore-protos.h: Update.

	* config/mips/mips.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/mips/mips.c (mips_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/mips/mips-protos.h: Update.

	* config/mn10300/mn10300.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/mn10300/mn10300.c (mn10300_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/mn10300/mn10300-protos.h: Update.

	* config/ns32k/ns32k.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/ns32k/ns32k.c (ns32k_arg_partial_bytes): ... here.

	* config/pa/pa.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/pa/pa.c (pa_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Handle 32-bit.  Adjust to return bytes.
	* config/pa/pa-protos.h: Update.

	* config/rs6000/rs6000.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/rs6000/rs6000-protos.h: Update.

	* config/sh/sh.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
	* config/sh/sh.c (sh_arg_partial_bytes): ... here.

	* config/sparc/sparc.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/sparc/sparc.c (sparc_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/sparc/sparc-protos.h: Update.

	* config/v850/v850.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
	* config/v850/v850.c (v850_arg_partial_bytes): Rename from
	function_arg_partial_nregs.  Adjust to return bytes.
	* config/v850/v850-protos.h: Update.

2004-12-30  Hans-Peter Nilsson  <>

	* config/mmix/mmix.h (ASM_OUTPUT_INTERNAL_LABEL): Define.
	* config/mmix/mmix.c (mmix_asm_output_internal_label): New
	* config/mmix/mmix-protos.h (mmix_asm_output_internal_label):

2003-12-29  Richard Henderson  <>

	* config/sparc/sparc.c (TARGET_RELAXED_ORDERING): True.

2004-12-29  Jeff Law  <>

	* tree-outof-ssa.c (insert_backedge_copies): New function.
	(rewrite_out_of_ssa): Use it.

2004-12-29  Ira Rosen  <>

	PR tree-optimization/18179
	* tree-vectorizer.c (vect_get_base_and_offset): Call get_inner_reference
	and vect_analyze_offset_expr.
	(vect_create_addr_base_for_vector_ref): Build address_base by combining
	base and initial_offset fields of vect_stmt_info.
	(vect_update_inits_of_dr): Update offset of data-ref instead of its
	access-fn. Remove argument.
	(vect_update_inits_of_drs): Call vect_update_inits_of_dr with new
	(vect_compute_data_ref_alignment): Check misalignment info in
	vect_stmt_info. Remove argument.
	(vect_compute_data_refs_alignment): Call vect_compute_data_ref_alignment
	with correct argument.
	(vect_analyze_data_ref_access): Check access info in vect_stmt_info.
	(vect_analyze_pointer_ref_access): Update step and initial_offset fields
	of vect_stmt_info.
	(vect_get_memtag_and_dr): Call vect_get_base_and_offset and set the
	fields of stmt_vec_info.
	(vect_analyze_data_refs): Find vectype and pass it to
	(vect_get_first_index): Remove.
	(vect_compute_array_base_alignment): Remove.
	(vect_compute_array_ref_alignment): Remove
	(vect_create_data_ref_ptr): Use TYPE_SIZE_UNIT instead GET_MODE_SIZE.
	(vect_gen_niters_for_prolog_loop): Use TREE_CONSTANT instead
	(vectorizable_load): Use size arithmetics.

2004-12-29  Ira Rosen  <>

	PR tree-optimization/18179
	* tree-vectorizer.c (vect_get_base_and_offset): Rename (previous name
	(vect_get_memtag_and_dr): Rename (previous name vect_get_symbl_and_dr).

2004-12-29  Ira Rosen  <>

	PR tree-optimization/18179
	* tree-vectorizer.h (struct _stmt_vec_info): Add new fields:
	initial_offset, step, misalignment and base_aligned_p and macros
	to access them.
	* tree-vectorizer.c (vect_analyze_offset_expr): New function.
	(new_stmt_vec_info): Initialize the new fields of stmt_vec_info.

	(vect_create_data_ref_ptr): Fix printings.

2004-12-29  Ira Rosen  <>

	PR tree-optimization/18179
	* tree-vectorizer.c (vect_get_symbl_and_dr): Reorganize. Add memtag
	(vect_analyze_data_refs): Remove memtag retrieval.

2004-12-28  Richard Henderson  <>

	PR inline-asm/15740
	* gimplify.c (gimplify_asm_expr): Move resolve asm names ...
	* c-typeck.c (build_asm_expr): ... here.  Validate input
	constraints.  Mark memory inputs addressable.

2004-12-28  Hans-Peter Nilsson  <>

	PR target/18321
	* config/mmix/mmix.c (mmix_expand_epilogue): Change type of
	variable offset to HOST_WIDE_INT.  Remove obsolete comment.  Fix

2004-12-28  Andrew Pinski  <>

	* fold-const.c (fold_build_cleanup_point_expr): For a RETURN_EXPR,
	we only need a cleanup point expression when the expression on the
	left hand side of the MODIFIY_EXPR inside the return has side

2004-12-28  Dorit Naishlos  <>

	* tree-vectorizer.c (vect_mark_relevant) First argument changed from
	varray_type to varray_type*.
	(vect_mark_stmts_to_be_vectorized): Pass &worklist instead of worklist
	when calling vect_mark_relevant.

2004-12-28  Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
	generate non-offsettable DImode lo_sum addresses.

2004-12-28  Zdenek Dvorak  <>

	PR rtl-optimization/19103
	* loop-iv.c (iv_number_of_iterations): Fix typo.

2004-12-28  Andreas Jaeger  <>

	* genrecog.c (compute_predicate_codes): Avoid warning.

2004-12-27 John David Anglin  <>

	* vax.c (vax_address_cost, vax_rtx_cost): Correct casts.
	(vax_rtx_cost): Handle small offsets for both PLUS and MINUS.

2004-12-27  Jeff Law  <>

	* tree-ssa-dom.c (thread_across_edge): Remove broken code to
	avoid threading into a loop.

2004-12-27  Richard Henderson  <>

	PR target/17406
	* config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR
	note for allocate_stack_worker insn.

2004-12-27  Jason Merrill  <>

	* doc/tm.texi (TARGET_RELAXED_ORDERING): Document.
	* target.h (struct gcc_target): Add relaxed_ordering field.
	* target-def.h (TARGET_RELAXED_ORDERING): Define default.
	* config/alpha/alpha.c (TARGET_RELAXED_ORDERING): Define.
	* config/ia64/ia64.c (TARGET_RELAXED_ORDERING): Define.
	* config/rs6000/rs6000.c (TARGET_RELAXED_ORDERING): Define.
	* config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define.

2004-12-27  Roger Sayle  <>

	PR driver/16118
	* doc/invoke.texi: Document the interaction between -save-temps
	and -x.

2004-12-27  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_eliminate_indexed_memrefs):
	Do not break apart constant pool addresses.
	(rs6000_emit_move): Only force source into REG if target is MEM.

2004-12-27  Mark Mitchell  <>

	PR c++/19148
	* gimplify.c (gimplify_cond_expr): Add post_p parameter.
	(gimplify_modify_expr_rhs): Adjust call to gimplify_cond_expr.
	(gimplify_expr): Likewise.

2004-12-27  Richard Henderson  <>

	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Don't use MMX/3DNOW.

2004-12-26  Richard Henderson  <>

	* config/i386/i386.c (ix86_gimplify_va_arg): Also pass the result
	of type_natural_mode to examine_argument.

	* config/i386/ (mov<MMXMODEI>_internal_rex64): New.
	(movv2sf_internal_rex64): New.
	(mov<MMXMODEI>_internal): Use no register preferences at all.
	(movv2sf_internal): Likewise.

2004-12-26  Richard Henderson  <>

	* simplify-rtx.c (simplify_relational_operation_1): Don't simplify
	plus/minus across EQ for floating-point.

2004-12-26  John David Anglin  <>

	PR target/17643
	* pa.c (pa_function_ok_for_sibcall): Sibcalls are not ok when
	generating code for the portable runtime.

2004-12-25  Richard Henderson  <>

	* expr.c (clear_storage): Validate CONST0_RTX extant.  Special case
	complex modes.

2004-12-25  Zdenek Dvorak  <>

	PR rtl-optimization/19078
	* tree-ssa-loop-ivopts.c (determine_use_iv_cost_generic,
	determine_use_iv_cost_outer): Fix computing of cost for the original
	(dump_use): Handle case related_cands == NULL.

2004-12-25  Marek Michalkiewicz  <>

	PR target/19059
	* config/avr/avr.c (avr_mcu_types): Move attiny{13,2313} from avr4
	to avr2.
	* config/avr/avr.h (LINK_SPEC): Ditto.
	* config/avr/t-avr (MULTILIB_MATCHES): Ditto.

2004-12-25  Alan Modra  <>

	PR target/19137
	* config/rs6000/ (movti_power, movti_string): Relax
	operand[1] predicate to input_operand, and add r<-n alternative.
	Move TImode const_double_operand splitter to where it belongs.

2004-12-25  Alan Modra  <>

	PR target/19147
	* config/rs6000/ (andsi3_internal7, andsi3_internal8): Delete.

2004-12-24  Uros Bizjak  <>

	* config/i386/ (*fix_trunc{d,s,h}i_1):
	Rename to *fix_trunc{d,s,h}i_i387.
	(fix_trunc{d,s}fdi2): Reorder tests.

2004-12-24  Daniel Berlin  <>

	Fix PR debug/14638

	* tree.h (DECL_DEBUG_ALIAS_OF): New macro.
	* var-tracking.c (track_expr_p): Don't disqualify tracking of variables
	that are aliases of variables we want to track, unless the
	original variable is also ignored for debugging purposes.
	(VARIABLE_HASH_VAL): Use DECL_UID, so that this is deterministic.
	* tree-outof-ssa.c (create_temp): Note who we are a debug alias of.
	* dwarf2out.c (dwarf2out_var_location): Add us to the location of
	the decl we are an alias of.

2004-12-24  Alan Modra  <>

	PR target/19142
	* config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Allow
	DFmode for 32-bit again.

2004-12-23  Roger Sayle  <>

	* reload.c (regno_clobbered_p): Add a gcc_assert that regno
	refers to a hard register.

2004-12-23  Mark Mitchell  <>

	* gimplify.c (gimplify_modify_expr_rhs): Use types_compatible_p.

2004-12-23  DJ Delorie  <>

	* genrecog.c (did_you_mean_codes): New.
	(compute_predicate_codes): Fail unmatched codes.

2004-12-23  Eric Christopher  <>

	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add
	assert for machine=mips for !TARGET_IRIX.
	* config/mips/linux.h: Remove machine=mips assert.
	* config/mips/netbsd.h: Ditto.
	* config/mips/openbsd.h: Ditto.

2004-12-23  Dale Johannesen  <>

	* tree.c (iterative_hash_expr): Canonicalize builtins.

2004-12-23  Alexandre Oliva  <>

	PR target/16819
	* calls.c (load_register_parameters): Don't call use_regs when
	nregs is zero.

2004-12-23  Eric Botcazou  <>

	PR middle-end/17746
	* expr.c (get_inner_reference): Add 'keep_aligning' parameter.
	Break on aligning VIEW_CONVERT_EXPR nodes on STRICT_ALIGNMENT
	platforms only if keep_aligning is true.
	(expand_assignment): Adjust call to get_inner_reference.
	(expand_expr_addr_expr_1): Likewise.
	(expand_expr_real_1): Likewise.
	* dojump.c (do_jump): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
	* fold-const.c (optimize_bit_field_compare): Likewise.
	(decode_field_reference): Likewise.
	(split_address_to_core_and_offset): Likewise.
	* tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
	* tree.h (get_inner_reference): Adjust prototype.

2004-12-23  Richard Henderson  <>

	* config/i386/i386.c (override_options): Revert last change
	wrt fancy 387 math.

2004-12-23  Richard Henderson  <>

	* config/alpha/ (one_cmpl<mode>2, and<mode>3, andnot<mode>3,
	ior<mode>3, iornot<mode>3, xor<mode>3, xornot<mode>3): New macroized
	vector operate patterns.

2004-12-23  Richard Henderson  <>

	* config/i386/i386.c (ix86_expand_vector_move): Tidy.
	(ix86_expand_vector_move_misalign): New.
	(ix86_misaligned_mem_ok): Remove.
	* config/i386/i386-protos.h: Update.
	* config/i386/ (SSEMODEI): Rename from SSEINT16.
	(MMXMODEI): Rename from MMXINT8.
	(SSEMODE, MMXMODE, movmisalign<mode>): New.

2004-12-23  Mark Mitchell  <>

	PR c++/16405
	* gimplify.c (gimplify_modify_expr_rhs): Handle

2004-12-22  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_expand_mov): Split out ...
	(alpha_expand_movmisalign): ... misaligned vector support.
	* config/alpha/alpha-protos.h: Update.
	* config/alpha/ (VEC): New macro.
	(movv8qi, movv4hi, movv2si): Compress with VEC.
	(movv8qi_fix, movv4hi_fix, movv2si_fix): Likewise.
	(movv8qi_nofix, movv4hi_nofix, movv2si_nofix): Likewise.
	(movmisalign<mode>): New.

2004-12-22  Richard Henderson  <>

	* optabs.h (OTI_movmisalign, movmisalign_optab): New.
	* optabs.c (init_optabs): Create it.
	* genopinit.c (optabs): Initialize it.
	* expr.c (expand_expr_real_1) <MISALIGNED_INDIRECT_REF>: Use it.
	* tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
	* target.h (vectorize.misaligned_mem_ok): Remove.
	* targhooks.c (default_vect_misaligned_mem_ok): Remove.
	* doc/md.texi (movmisalign): New.

2004-12-22  Richard Henderson  <>

	* config/i386/emmintrin.h (_mm_loadh_pd): Don't cast pointer arg
	to __v2si.
	(_mm_storeh_pd, _mm_loadl_pd, _mm_storel_pd): Likewise.
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Use double* or
	const double* for __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
	__builtin_ia32_storehpd, __builtin_ia32_storelpd.
	(ix86_expand_builtin): Update to match.
	(ix86_expand_vector_init): Use sse2_loadlpd.
	* config/i386/ (vec_setv2df): Use sse2_loadlpd, sse2_loadhpd.
	(vec_extractv2df): Use sse2_storelpd, sse2_storehpd.
	(sse2_storehpd, sse2_loadhpd, sse2_storelpd, sse2_loadlpd): New.
	(sse2_movhpd): Remove.

2004-12-23  Alan Modra  <>

	PR target/18751
	* config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Return
	false for anything larger than 32 bits in 32-bit code.

2004-12-22  Richard Henderson  <>

	* config/i386/ (btsq, btrq, btcq): Fix modes.
	(bt peepholes): Likewise.

	* varasm.c (force_const_mem): Call set_mem_align.

2004-12-22  Richard Henderson  <>

	* config/i386/ (sse_comparison_operator): Fix
	typo in ieee test.
	(arith_or_logical_operator): Downcase codes.

2004-12-23  Kaz Kojima  <>

	PR target/18511
	* reload1.c (emit_output_reload_insns): Check if OLD is a hard
	register before calling regno_clobbered_p.
	* reload.c: Update comment for regno_clobbered_p.

2004-12-22  Richard Henderson  <>

	* config/i386/i386.c (override_options): Respect user disable of
	fancy 387 math, sse, mmx.
	(construct_container): Generate error if we need an sse regster
	and sse has been disabled.
	* config/i386/i386.h (TARGET_SWITCHES): Disabling sse also disables
	later sse generations.  Disabling mmx also disables 3dnow.

2004-12-22  Daniel Berlin  <>

	* tree-inline.c (struct inline_data): Remove inlined_fns.
	(expand_call_inline): Remove dead code setting
	(optimize_inline_calls): Remove dead code setting DECL_INLINED_FNS.
	* tree.h (struct tree_decl): Remove inlined_fns.

2004-12-22  Roger Sayle  <>

	* tree-browser.c: Remove obsolete #ifdef HOST_EBCDIC code.

2004-12-23  Alan Modra  <>

	PR target/18896
	* function.c (split_complex_args): Set DECL_ARTIFICIAL, DECL_IGNORED_P
	for real and imaginary parts if the parm is addressable.
	(assign_parms_unsplit_complex): If parm addressable, save real
	and imaginary parts to a stack temp.  Pass assign_parm_data_all.
	(assign_parms): Adjust assign_parms_unsplit_complex call.

2004-12-22  Daniel Berlin  <>

	* tree.h (DECL_PTA_ALIASVAR): Dead.
	(struct tree_decl): Remove alias_var field.

2004-12-22  Nathan Sidwell  <>

	* system.h (IN_RANGE): Restore HOST_WIDE_INT cast.
	* tree.h (IS_EXPR_CODE_CLASS): Do not use IN_RANGE.

2004-12-22  Richard Henderson  <>
	    Uros Bizjak  <>

	* config/i386/ (truncdfsf2): Don't create stack temp when
	using sse math only.  Use truncdfsf2_with_temp.
	(truncdfsf2_with_temp): New.
	(truncdfsf_fast_i387): Rename from truncdfsf2_noop.  Add memory
	output alternative.
	(truncdfsf_mixed): Rename from truncdfsf2_1_sse.  Compress duplicate
	(truncdfsf_fast_sse): Rename from truncdfsf2_2.  Remove f alternative.
	(truncdfsf2_3, truncdfsf2_sse_only): Remove.
	(truncdfsf_i387): Rename from truncdfsf2_1.  Compress duplicates.
	(truncdfsf_fast_mixed): New.
	(truncdfsf splitters): Remove all except the 387 load/store split.
	(truncxfsf2_1, truncxfdf2_1): Unify enable constraint with
	respect to TARGET_SSE2, TARGET_80387, TARGET_SSE_MATH and
	(*truncxf{s,d}f2_1): Rename to *truncxf{s,d}f2_mixed.
	(truncxf{s,d}f2_noop) Rename to truncxf{d,s}f2_i387_noop.
	(*truncxf{s,d}f2_i387): New patterns.
	(*truncxf{s,d}f2_2): Rename to *truncxf{s,d}f2_i387_1.
	(truncxf{s,d}f2, fmod{s,d}f3, drem{s,d}f3, log1p{s,d}f2,
	rint{s,d}f2, floor{s,d}f2, ceil{s,d}f2, btrunc{s,d}f2,
	nearbyint{s,d}f2): Use renamed patterns.

2004-12-22  Richard Kenner  <>

	* function.c (gimplify_parm_type): Don't gimplify type if already done.
	* gimplify.c (gimplify_decl_expr): Likewise.
	(gimplify_type_sizes): Set TYPE_SIZES_GIMPLIFIED.  Examine nested
	array types.

2004-12-22  Richard Henderson  <>

	* gimplify.c (eval_save_expr): Remove.
	(gimplify_one_sizepos): Unshare expr before gimplifying.
	* stor-layout.c (variable_size): Revert 2004-12-19 change.
	(layout_decl): Revert 2004-12-18 change.
	(layout_type): Revert 2004-12-21 change.

2004-12-22  Richard Kenner  <>

	* tree-sra.c (type_can_be_decomposed_p): Reject variable sized types.

2004-12-22  Mark Mitchell  <>

	* (install-common): Remove special-case code for when
	SPECS is defined.

2004-12-22  Jan Beulich  <>

	* config.gcc: Add dbxelf.h to NetWare's tm_file.
	* config/i386/netware-crt0.c: Prototype __init_environment and
	__deinit_environment prior to their definition.
	(__init_environment): Correct invokation of constructor function.
	* config/i386/netware.h (TARGET_OS_CPP_BUILTINS): Use
	builtin_define_std rather than builtin_define on IAPX386.
	* config/i386/nwld.h: Disable stabs debugging info with the linker
	this file supports.
	* config/i386/t-nwld (SHLIB_LINK): Do not use a temporary file for
	the output. Add -posix to the options as that is the more compatible
	* gthr-nks.h: Formatting.
	(__gthread_mutex_init_function): Kill the dubious use of
	NX_MUTEX_RECURSIVE as it is now clear that the traditional mutexes
	were not meant to be recursive.
	(__gthread_recursive_mutex_t, __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
	__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
	__gthread_recursive_mutex_unlock): New.

2004-12-22  Alexandre Oliva  <>

	* config/mips/t-linux64: Remove code that messed with $(SPECS).
	n32 to the front.
	* config/mips/linux64.h (DRIVER_SELF_SPECS): Don't handle

2004-12-21  Andrew Pinski  <>

	PR c++/18984
	* pointer-set.c (pointer_set_contains): Add back.
	* pointer-set.h (pointer_set_contains): Add back.

2004-12-21  Richard Henderson  <>

	* gimplify.c (eval_save_expr): New.
	(gimplify_one_sizepos): Use it.
	* stor-layout.c (layout_type): Unshare TYPE_MIN/MAX_VALUE.

2004-12-21  Nathan Sidwell  <>

	* system.c (IN_RANGE): Use plain unsigned, not unsigned
	QUAL_UNION_TYPE): Reorder for better code efficiency.
	* tree.h (INDIRECT_REF_P): Reorder checks for better optimization.
	(INTEGRAL_TYPE_P, FLOAT_TYPE_P): Reorder checks for better

2004-12-21  David O'Brien  <>

	* config/freebsd-spec.h: Use KSE pthread lib for -pthread.

2004-12-21  James A. Morrison  <>

	PR c/18963
	* c-decl.c (pushdecl): Remove block trying to merge static function
	declarations at block scope to file scope declarations.

2004-12-21  James A. Morrison  <>

	PR c/18596
	* (initdcl): Don't process a declaration if start_decl fails.
	(notype_initdcl): Don't process a declaration if start_decl fails.
	* c-decl.c (start_decl): Fail if grokdeclarator fails.
	(grokdeclarator): Fail if a function definition has an invalid storage
	* c-typeck.c (start_init): Treat error_mark_node the same as 0.

2004-12-21  Richard Henderson  <>

	* config/i386/i386.c (x86_sse_split_regs): Rename from
	* config/i386/i386.h (x86_sse_split_regs): Likewise.
	* config/i386/ (*): Update to match.  Remove two
	floatsisf splitters that use it.

	* config/i386/i386.h (x86_sse_partial_regs_for_cvtsd2ss): Remove.

	* config/i386/i386.c (x86_sse_partial_regs_for_cvtsd2ss): Remove.
	* config/i386/i386.h (TARGET_SSE_PARTIAL_REGS_FOR_CVTSD2SS): Remove.
	* config/i386/ (truncdfsf2_1_sse): Don't test it.
	(truncdfsf2_2, truncdfsf2_sse_only): Likewise.
	(truncdfsf2_1_sse_nooverlap, truncdfsf2_2_nooverlap): Remove.
	(truncdfsf2_sse_only_nooverlap): Remove.

	* config/i386/i386.h (TARGET_SSE_TYPELESS_LOAD0): Remove.

2004-12-21  Eric Botcazou  <>

	* expr.c (emit_group_load_1): Return the source if the move
	is a regular move between complex values.

2004-12-20  Roger Sayle  <>

	PR middle-end/18683
	* config/rs6000/rs6000.c (current_file_function_operand): Only check
	current_function_decl's DECL_RTL if it has already been set.

2004-12-20  Roger Sayle  <>

	PR middle-end/18683
	* function.c (pop_function_context_from): Don't reset reg_renumber.

2004-12-20  Eric Botcazou  <>

	PR middle-end/18776
	* expr.c (write_complex_part): Use a subreg if the original object
	is a hard reg that spans an even number of regs or a MEM.
	(read_complex_part): Likewise.

2004-12-20  Mark Mitchell  <>

	* (install-common): Do not install the specs file
	unless SPECS is defined.

2004-12-20  Zdenek Dvorak  <>

	PR rtl-optimization/18942
	* simplify-rtx.c (simplify_relational_operation_1): Simplify
	x + cst1 == cst2 to x == cst2 - cst1.  Made static.

2004-12-20  Matt Austern  <>

	PR c++/19044
	* c-common.c (set_builtin_user_assembler_name): New.
	* c-common.h (set_builtin_user_assembler_name): Declare.
	* c-decl.c (finish_decl): Use set_builtin_user_assembler_name

2004-12-20  Diego Novillo  <>

	PR tree-optimization/19080

	Merge from tree-cleanup-branch

	* tree-flow-inline.h (clear_call_clobbered): New function.
	* tree-ssa-alias.c (init_alias_info): Call it.

2004-12-20  Richard Henderson  <>

	* config/i386/ (sse2_movsd): Remove ix86_binary_operator_ok

2004-12-20  Steven Bosscher  <>
	    Andrew Pinski  <>

	PR middle-end/18191
	PR middle-end/18965
	PR middle-end/18999
	* expr.c (categorize_ctor_elements_1): Count the total number
	of elements in the constructor.
	(categorize_ctor_elements): Return it in a new argument.
	* tree.h (categorize_ctor_elements): Adjust prototype.
	* gimplify.c (gimplify_init_ctor_eval_range): New.
	(gimplify_init_ctor_eval): Gimplify RANGE_EXPR.
	(gimplify_init_constructor): Block clear the object if the
	constructor has fewer elements than the object type.  Only try
	to add assignments to individual elements when we have to.

2004-12-20  Richard Henderson  <>

	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
	long_long_integer_type_node in building V2DI_type_node.

	* config/i386/emmintrin.h: Use __vector_size__ instead of vector_size.
	* config/i386/mmintrin.h, config/i386/xmmintrin.h: Likewise.

2004-12-20  Ben Elliston  <>

	* doc/md.texi (Expander Definitions): Use @emph instead of @strong
	around Note: text to workaround a limitation of the Info format.
	* doc/cpp.texi (Invocation): Likewise.
	* doc/cppopts.texi: Likewise.

2004-12-19  Dale Johannesen  <>

	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Don't
	reference operand 1 of ADDR_EXPRs.

2004-12-19  Mark Mitchell  <>

	* defaults.h (ASM_OUTPUT_INTERNAL_LABEL): New macro.
	* output.h (assemble_name_raw): Declare it.
	* system.h (ASM_OUTPUT_INTERNAL_LABEL): Do not poison it.
	* varasm.c (assemble_name_raw): New function.
	(assemble_name): Use it.
	(default_internal_label): Likewise.
	* config/darwin.c (darwin_asm_output_dwarf_delta): Likewise.
	* doc/tm.texi (ASM_OUTPUT_INTERNAL_LABEL): Document.

2004-12-19  Richard Henderson  <>

	PR 18067
	* stor-layout.c (variable_size): Force creation of a SAVE_EXPR.

2003-12-19  Steven Bosscher  <>

	* config/i386/i386.c (ix86_split_to_parts): Use an array with
	four elements for decoding a CONST_DOUBLE on 64 bits targets.

2004-12-19  Bernardo Innocenti  <>

	* config/m68k/m68kemb.h (TARGET_OS_CPP_BUILTINS): Remove redundant
	definition of mc68000, already present in TARGET_CPU_CPP_BUILTINS.

2004-12-18  Daniel Berlin  <>

	* lambda-code.c (can_convert_to_perfect_nest): Make checking
	match up with what perfect_nestify can actually handle.
	(perfect_nestify): Don't return false in the phi node loop.

2004-12-18  Richard Henderson  <>

	* config/i386/ (SSEINT16): New.
	(movv16qi, movv8hi, movv4si, movv2di): Compress via macros.
	(movv16qi_internal, movv8hi_internal, movv4si_internal,
	movv2di_internal): Compress via macros.  Add SSE zero alternative.
	Fix pure SSE alternatives to use 'x' instead of 'Y'.
	(MMXINT8): New.
	(movv8qi, movv4hi, movv2si, movv8qi_internal, movv4hi_internal,
	movv2si_internal): Compress via macros.
	(pushv18qi, pushv8hi, pushv4si, pushv2di, pushti, pushv4sf, pushv2df,
	pushv8qi, pushv4hi, pushv2si, pushv2sf): Compress via macros.

2004-12-18  Richard Henderson  <>

	PR middle-end/16417
	* c-decl.c (store_parm_decls): Clarify get_pending_sizes insertion
	* c-objc-common.c (c_cannot_inline_tree_fn): Remove pending sizes
	* c-tree.h (struct lang_decl): Remove pending_sizes.
	* function.c: Include tree-gimple.h
	(assign_parm_setup_reg): Remove callee-copies code.
	(gimplify_parm_type, gimplify_parameters): New functions.
	(expand_pending_sizes): Remove.
	(expand_function_start): Don't call it.
	* gimplify.c (gimplify_expr): Examine DECL_VALUE_EXPR for PARM_DECL.
	(gimplify_body): Add do_parms argument.  Use gimplify_parameters.
	(gimplify_function_tree): Setup cfun.  Update gimplify_body call.
	* tree-gimple.h (gimplify_body): Update decl.
	* tree-inline.c (initialize_inlined_parameters): Update gimplify_body
	* tree.h (gimplify_parameters): Declare.
	* (function.o): Depend on TREE_GIMPLE_H.

2004-12-18  Richard Henderson  <>

	* c-decl.c (finish_struct): Add DECL_EXPR for variable sized
	structures seen inside functions.

2004-12-18  Richard Henderson  <>

	* c-decl.c (grokdeclarator): Save variable array size before
	subtracting 1, rather than after.

2004-12-18  Eric Botcazou  <>

	PR middle-end/15486
	* varasm.c (asm_emit_uninitialised): Return early if
	a custom section is requested.
	(assemble_variable): Revert 2002-03-15 patch.

2004-12-18  Richard Henderson  <>

	* stor-layout.c (layout_decl): Use unshare_expr, not unsave_expr.

2004-12-18  Zdenek Dvorak  <>

	PR tree-optimization/18800
	* params.def (PARAM_IV_ALWAYS_PRUNE_CAND_SET_BOUND): New parameter.
	* tree-ssa-loop-ivopts.c (struct iv_ca): Add n_cands field.
	(iv_ca_set_no_cp, iv_ca_set_cp, iv_ca_new): Update n_cands field.
	(iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_n_cands, iv_ca_prune):
	New functions.
	(iv_ca_extend): Return number of candidates in the set.
	(try_add_cand_for): Add argument to iv_ca_extend calls.
	(try_improve_iv_set): Use iv_ca_prune.
	* doc/invoke.texi (iv-always-prune-cand-set-bound): Document.

2004-12-18  Zdenek Dvorak  <>

	PR rtl-optimization/19001
	* loop-iv.c (iv_number_of_iterations): Record assumptions for loops
	with power of two step to 'infinite' field.

2004-12-18  Roger Sayle  <>

	* (stor-layout.o): Depend upon gt-stor-layout.h.
	(tree-ssa-propagate.o): Depend upon gt-tree-ssa-propagate.h.
	(tree-ssa-operands.o): Depend upon gt-tree-ssa-operands.h.
	(tree-mudflap.o): Depend upon gt-tree-mudflap.h.
	(expr.o): Depend upon gt-expr.h.
	(regclass.o): Depend upon gt-regclass.h.
	(bitmap.o): Depend upon gt-bitmap.h.
	(lists.o): Depend upon gt-lists.h.

	(cfgexpand.o): Don't depend upon gt-tree-cfg.h.

	(GTFILES): Remove fold-const.c.
	(gt-stmt.h, gt-fold-const.h, gt-input.h, gt-tree-ssa-ccp.h):
	Remove rules.

2004-12-18  Richard Henderson  <>

	* stor-layout.c (layout_decl): Unshare size expressions copied
	from the type.

	* fold-const.c (multiple_of_p): Handle BIT_AND_EXPR when
	BOTTOM is a power of two.

2004-12-18  Richard Henderson  <>

	* tree-nested.c (save_tmp_var): New.
	(struct walk_stmt_info): Add is_lhs.
	(walk_stmts) <MODIFY_EXPR>: Be more accurate with setting of
	val_only; set is_lhs.
	(convert_nonlocal_reference): Use save_tmp_var when is_lhs;
	clear is_lhs when appropriate.
	(convert_local_reference): Likewise.

2004-12-18  Richard Earnshaw  <>

	* arm/ieee754-sf.S (floatdisf): Fix label definition in FPA
	compatibility code.

2004-12-18  Roger Sayle  <>

	* ifcvt.c (total_bb_rtx_cost): Rename function to cheap_bb_rtx_cost_p.
	Take a max_cost argument to avoid scanning large blocks, by returning
	a Boolean instead of a total.  Include the cost of a "fstp %st(0)"
	instruction required to pop dead values off of a register stack.

2004-12-18  Roger Sayle  <>

	PR middle-end/18548
	* expr.c (expand_expr_real_1) <MAX_EXPR>: Ensure that target, op0
	and op1 are all registers (or constants) before expanding the RTL
	comparison sequence [to avoid reg_overlap_mentioned (target, op1)].

2004-12-18  Eric Botcazou  <>

	PR rtl-optimization/16968
	* loop.c (scan_loop): Stop scanning the loop for movable
	insns as soon as an optimization barrier is encountered.

2004-12-17  Zack Weinberg  <>

	PR 18897
	* toplev.c (compile_file): Call process_pending_assemble_externals
	just before targetm.asm_out.file_end.

2004-12-17  Diego Novillo  <>

	* tree-optimize.c (init_tree_optimization_passes): Run
	pass_late_warn_uninitialized before the last DCE run.

2004-12-17  Richard Henderson  <>

	* config/i386/i386.c (x86_64_reg_class_name): Re-indent.
	(classify_argument, examine_argument, construct_container,
	merge_classes): Remove prototypes.
	(type_natural_mode): Split out from ...
	(function_arg): ... here.
	(gen_reg_or_parallel): Remove alt_mode argument.  Update callers.
	Use orig_mode unless it's BLKmode.
	(construct_container): Add orig_mode argument.  Update callers.
	Use gen_reg_or_parallel for SSE registers.
	(ix86_function_value): Use type_natural_mode.
	(ix86_gimplify_va_arg): Likewise.
	(ix86_hard_regno_mode_ok): Always accept all SSE, MMX, 3DNOW modes in
	SSE registers; always accept all MMX, 3DNOW modes in MMX registers.
	* config/i386/i386.h (VALID_SSE2_REG_MODE): Don't include
	* config/i386/ (attribute mode): Add V1DF.
	(movsi_1): Use 'x' instead of 'Y' constraints.
	(movsi_1_nointernunit, movdi_2, movdi_1_rex64): Likewise.
	(movdi_1_rex64_nointerunit): Likewise.
	(movdf_nointeger, movdf_integer): Likewise.  Handle SSE1.
	(movsf_1, movsf_1_nointerunit): Line up constraint alternatives.
	(swapsf): Use fp_register_operand, don't disable for TARGET_SSE.
	(swapdf): Likewise.
	(swapxf): Enable only for TARGET_80387.
	(movv2sf, movv2sf_internal, pushv2sf): Enable for MMX.
	(movtf): Remove double-check for TARGET_64BIT.
	(movv2df_internal): Enable for SSE1.
	(movv8hi_internal, movv16qi_internal): Likewise.
	(movv2df, movv8hi, movv16qi): Likewise.
	(pushv2di, pushv8hi, pushv16qi, pushv4si): Likewise.
	(pushdi2_rex64, movv4sf_internal, movv4si_internal, movv2di_internal,
	movv8qi_internal, movv4hi_internal, movv2sf_internal,
	movv2df_internal, movv8hi_internal, movv16qi_internal,
	movti_internal): Add leading '*' to name.

2004-12-17  Dale Johannesen  <>

	* c-decl.c (diagnose_mismatched_decls): Accept mismatched
	function types: void with previous implicit int.

2004-12-17  Andreas Krebbel  <>

	* config/s390/s390.c (s390_gimplify_va_arg): Set alias set to

2004-12-17  Jan Beulich  <>

	PR target/17603
	* config/i386/i386.c (enum x86_64_reg_class): Define
	(x86_64_reg_class_names): Add name for X86_64_COMPLEX_X87_CLASS.
	(merge_classes): Handle X86_64_COMPLEX_X87_CLASS.
	(classify_argument): XCmode is X86_64_COMPLEX_X87_CLASS.
	(examine_argument): X86_64_COMPLEX_X87_CLASS requires two
	registers when dealing with a return value.
	(construct_container): Handle X86_64_COMPLEX_X87_CLASS.
	Eliminate impossible case of two X87/X87UP pairs (this now is
	being expressed by a single COMPLEX_X87).
	(x86_libcall_value): XCmode gets returned in st0/st1.

2004-12-17  Steven Bosscher  <>

	* tree.c (type_contains_placeholder_1): Always return false
	for VECTOR_TYPE if its TREE_TYPE does not contain a placeholder.

2004-12-17  Uros Bizjak  <>

	* config/i386/ (extendsfdf2, *extendsfdf2_1,
	*extendsfdf2_1_sse_only): Unify enable constraint with
	(*extendsfdf2_i387): New insn pattern.
	(*extendsfdf2_1): Rename to *extendsfdf2_mixed. Fix
	register constraint for operand 0.
	(*extendsfdf2_1_sse_only): Rename to *extendsfdf2_sse.
	(*extend{s,d}fxf2_1): Rename to *extend{s,d}fxf2_i387.

2004-12-16  Andrew Pinski  <>

	PR target/19041
	* config/darwin.c (machopic_symbol_defined_p): Return false
	if the binds local and is a common symbol.

2004-12-16  Richard Henderson  <>

	* config/i386/ (extv, extzv, insv): Revalidate the
	operand with ext_register_operand.

2004-12-16  Kazu Hirata  <>

	* global.c: Fix a comment typo.

2004-12-16  Eric Botcazou  <>
	    Roger Sayle  <>

	PR tree-optimization/18707
	* cfgloopmanip.c (create_preheader): Move the preheader
	only if the latch was falling through to the header.

2004-12-16  Danny Smith  <>

	PR target/18997
	* config/i386/cygwin.h (GTHREAD_USE_WEAK): Define to 0.

2004-12-16  Richard Henderson  <>
	    Aldy Hernandez  <>

	* simplify-rtx.c (simplify_replace_rtx): Do not blindly replace
	hard registers.

2004-12-16  H.J. Lu  <>

	PR other/18508
	* config/alpha/t-osf4 (SHLIB_LINK): Use `.backup' as the suffix
	to back up the existing shared library.
	* config/arm/t-netbsd (SHLIB_LINK): Likewise.
	* config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
	* config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
	* config/sh/t-linux (SHLIB_LINK): Likewise.
	* config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
	* config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
	* config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
	* config/t-slibgcc-sld (SHLIB_LINK): Likewise.

	* config/i386/t-nwld (SHLIB_LINK): Don't use the temporary

2004-12-16  Richard Henderson  <>

	* (MD_DEPS, s-mddeps): New.
	(s-config, s-conditions, s-flags, s-codes, s-constants, s-emit,
	s-recog, s-opinit, s-extract, s-peep, s-attr, s-attrtab, s-output,
	s-preds): Depend on MD_DEPS instead of md_file.
	(genobjnames): Add genmddeps.o
	(build/genmddeps, build/genmddeps.o): New.
	(mostlyclean): Remove
	* genmddeps.c: New file.
	* gensupport.c (include_callback): New.
	(process_include): Call it.
	* gensupport.h (include_callback): Declare.

2004-12-16  Nathan Sidwell  <>

	* local-alloc.c (block_alloc): Replace IN_RANGE with simple

	* doc/c-tree.texi (CONSTRUCTOR): Mention RANGE_EXPRs.

2004-12-16  Mark Dettinger  <>

	* config/s390/s390.c (struct processor_costs): Two new fields:
	madbr, maebr.
	(s390_rtx_costs): Added handling of multipy and add in SFmode.
	More precise values for cost of multiply and add.

2004-12-15  Richard Henderson  <>

	PR target/19028
	* config/i386/ (sse compare splitter): Test for SF and DFmode
	explicitly instead of using VALID_SSE_REG_MODE.

2004-12-15  Richard Henderson  <>

	PR target/19005
	* config/i386/ (swaphi_1): Swap with swaphi_2, allow with
	(swapqi_1): Rename from swapqi.  Enable only for no partial reg
	stall and optimize_size.
	(swapqi_2): New.
	(swaphi_1, swaphi_2, swapqi_1): Add athlon_decode.
	(swapsi, swaphi_1, swaphi_2, swapqi_1, swapdi): Remove modrm override.

2004-12-16  Uros Bizjak  <>

	* config/i386/ (*floathisf2_i387, *floathidf2_i387):
	Also enable for TARGET_MIX_SSE_I387.

2004-12-16  Uros Bizjak  <>

	* config/i386/ (sqrt{s,d}f2_1, sqrt{s,d}f2_1_sse_only,
	sqrt{s,d}f2_i387): Unify enable constraint with respect to
	(sqrt{s,d}f2_1): Rename to *sqrt{s,d}f2_mixed.
	(sqrt{s,d}f2_1_sse_only): Rename to *sqrt{s,d}f2_sse.
	(sqrt{s,d}f2_i387): Rename to *sqrt{s,d}f2_i387.
	(*sqrtextendsfdf2): Also enable for TARGET_MIX_SSE_I387.
	(*sqrtextend?f?f2): Rename to *sqrtextendsfdf2_i387.

2004-12-16  Uros Bizjak  <>

	* config/i386/ (*fop_?f_comm_{,sse,nosse},
	*fop_?f_1_{,sse,nosse}, *fop_{d,x}f_{2,3,4,5,6}): Unify enable
	constraint with respect to TARGET_80387, TARGET_SSE, TARGET_SSE2,
	(*fop_?f_{comm,1}): Rename to *fop_?f_{comm,1}_mixed.
	(*fop_?f_{comm,1}_nosse): Rename to *fop_?f_{comm,1}_i387.
	(*fop_{d,x}f_{2,3,4,5,6}): Rename to *fop_{d,x}f_{2,3,4,5,6}_i387.

2004-12-15  H.J. Lu  <>

	PR target/18153
	* Define HAVE_LD_STATIC_DYNAMIC if linker supports
	-Bstatic/-Bdynamic option.
	* Regenerated.
	* configure: Likewise.

	* gcc.c (init_spec): Pass -Bstatic/-Bdynamic to ld for static
	-lunwind if possible.

2004-12-15  Daniel Berlin  <>

	* cfgloop.c (flow_loops_dump): Don't print out levels.
	(flow_loops_find): Don't set loop->levels.
	(flow_loops_level_compute): Make void.
	* cfgloop.h (struct loops): Remove levels member.
	Add comment about loops in parray possibly being NULL.

2004-12-15  Alexandre Oliva  <>

	* reload.c (SMALL_REGISTER_CLASS_P): New.
	(push_secondary_reload, find_reusable_reload, find_reloads): Use
	it instead of testing only the class size.

2004-12-15  Eric Botcazou  <>

	PR c++/17972
	* tree-inline.c (expand_call_inline): Set TREE_SIDE_EFFECTS
	on the STMT_EXPR wrapping up the inlined body.

2004-12-15  Vladimir Makarov  <>
	    Steven Bosscher  <>
	PR middle end/17340

	* global.c: Update comments in a few places.
	(check_earlyclobber): Return true if there are early clobber
	(calculate_local_reg_bb_info): Do not try to mark earlyclobber
	regs if there are none.
	(bb_info, allocate_bb_info, free_bb_info, modify_reg_pav,
	make_accurate_live_analysis): Rename pavin, pavout to live_pavin,
	(modify_bb_reg_pav): Remove.
	(calculate_reg_pav): Use code from modify_bb_reg_pav.
	(temp_bitmap): New variable.
	(calculate_reg_pav): Allocate/deallocate temp_bitmap.

2004-12-15  Richard Henderson  <>

	PR target/19010
	* config/i386/i386.c (ix86_must_pass_in_stack): Don't return true
	for TImode vectors.
	(gen_reg_or_parallel): New.
	(function_arg): Use it.
	(ix86_hard_regno_mode_ok): Test SSE1 and SSE2 separately,
	MMX and 3DNOW separately.
	(ix86_rtx_costs): Simplify FLOAT_EXTEND case.
	(ix86_vector_mode_supported_p): Test SSE1 and SSE2 separately.
	* config/i386/i386.h (VALID_SSE2_REG_MODE): Move SSE2 cases from ...
	(VALID_SSE_REG_MODE): ... here.

2004-12-15  David Edelsohn  <>

	* xcoffout.c (xcoffout_declare_function): Change strncpy to memcpy.

2004-12-15  Ian Lance Taylor  <>

	* config/arm/arm.c (arm_xscale_rtx_costs): Increase cost of
	* config/arm/ (mulsi3_compare0): Don't check
	(mulsi_compare0_scratch, mulsi3_addsi_compare0): Likewise.
	(mulsi3addsi_compare0_scratch): Likewise.

2004-12-15  Eric Botcazou  <>

	PR other/18665
	* libgcc-std.ver (GCC_3.4.4): Inherit from GCC_3.4.2.
	Export __absvti2, __addvti3, __mulvti3, __negvti2 and __subvti3.
	* libgcc2.c (__addvsi3): Rename to __addvSI3.
	(__addvdi3): Rename to __addvDI3.
	(__subvsi3): Rename to __subvSI3.  Use word type for the result.
	(__subvdi3): Rename to __subvDI3.
	(_mulvsi3): Rename to _mulvSI3.
	(_mulvdi3): Rename to _mulvDI3.
	(__negvsi2): Rename to __negvSI2.
	(__negvdi2): Rename to __negvDI2.
	(__absvsi2): Rename to __absvSI2.
	(__absvdi2): Rename to __absvDI2.
	* libgcc2.h (64-bit targets): Define COMPAT_SIMODE_TRAPPING_ARITHMETIC.
	(__absvSI2, __addvSI3, __subvSI3, __mulvSI3, __negvSI2, __absvDI2,
	__addvDI3, __subvDI3, __mulvDI3, __negvDI2): Define to the appropriate
	symbol and declare.
	(__absvsi2, __addvsi3, __subvsi3, __mulvsi3, __negvsi2): Declare if

2004-12-15  Kazuhiro Inaoka <>

	* config/m32r/m32r.h (PREFERRED_DEBUGGING_TYPE):

	* config/m32r.c (m32r_legitimize_pic_address): Changed
	to support GOTOFF relocation.
	* config/ (UNSPEC_GOTOFF): New.
	(gotoff_load_addr): New.

2004-12-15  Richard Sandiford  <>

	* config/mips/mips.c (mips_arg_info): Use FUNCTION_ARG_BOUNDARY to
	decide whether an argument is double-word aligned.

2004-12-15  Richard Henderson  <>

	* config/i386/ Fix missing modes on cmove splitters.

2004-12-15 Jan Beulich  <>

	* (libgcc2_c_dep): Add dependency on libgcc2.h.

2004-12-15  Uros Bizjak  <>

	* config/i386/ (floathisf2, *floathisf2_1, floatsisf2,
	*floatsisf2_i387, *floatsisf2_sse, floatdisf2,
	*floatdisf2_i387_only, *floatdisf2_i387, *floatdisf2_sse,
	floathidf2, *floathidf2_1, *floatsidf2_i387, *floatsidf2_sse,
	floatdidf2, *floatdidf2_i387_only, *floatdidf2_i387,
	*floatdidf2_sse, floatunssisf2, floatunsdisf2, floatunsdidf2):
	Unify enable constraint with respect to TARGET_80387, TARGET_SSE,
	(*float?i?f_i387): Rename to *float?i?f2_mixed.
	(*float?i?f2_1): Rename to *float?i?f2_i387.
	(*float?i?f2_i387_only): Rename to *float?i?f2_i387.
	(float?ixf2): Penalize integer register operand.

2004-12-14  John David Anglin  <>

	PR c++/17242
	* Add GAS check for HP-UX .nsubspa comdat.
	* configure, Rebuilt.
	* config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY): Delete
	* config/pa/pa.c (pa_select_section): Allow uninitialized variables in
	one-only (comdat) subspaces.
	* config/pa/som.h (SUPPORTS_SOM_COMDAT): New define.
	(MAKE_DECL_ONE_ONLY): Place uninitialized variables in common.

2004-12-14  Ian Lance Taylor  <>

	* combine.c (combine_validate_cost): Consider cost of
	undobuf.other_insn rather than always allowing the recombination
	if it is set.

2004-12-14  John David Anglin  <>

	* pa-host.c (MAP_FAILED): Define if not defined.
	(pa_gt_pch_use_address): Handle short reads.

2004-12-14  Richard Henderson  <>

	PR target/17990
	* config/i386/i386.c (x86_use_bt): New.
	(ix86_expand_unary_operator): Use MEM_P.
	(ix86_expand_fp_absneg_operator): New.
	* config/i386/i386.h (x86_use_bt): Declare.
	* config/i386/i386-protos.h: Update.
	* config/i386/ (negsf2): Use ix86_expand_fp_absneg_operator.
	(negdf2, negxf2, abssf2, absdf2, absxf2): Likewise.
	(negsf2_memory, negsf2_ifs, negsf2_if, negdf2_memory, negdf2_ifs,
	negdf2_ifs_rex64, negdf2_if, negdf2_if_rex64, negxf2_if,
	abssf2_memory, abssf2_ifs, abssf2_if, absdf2_memory, absdf2_ifs,
	absdf2_ifs_rex64, absdf2_if, absxf2_if): Remove.
	(absnegsf2_mixed, absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed,
	absnegdf2_sse, absnegdf2_i387, absnegxf2_i387): New.  Merge all
	neg and abs splitters.  Handle DFmode in general regs in 64-bit mode.
	(negextendsfdf2, absextendsfdf2): Disable for non-mixed sse math.
	(btsq, btrq, btcq): New.  Add peepholes as well.
	(movv4sf_internal splitter): Postpone til after reload.
	(movv2di_internal splitter): Likewise.
	* config/i386/ (const_0_to_63_operand): New.
	(absneg_operator): New.

2004-12-14  John David Anglin  <>

	Check register number and that reg_renumber is nonzero before using it.

2004-12-14  Steve Ellcey  <>

	* doc/invoke.texi (IA-64 options): Add existing options that
	weren't already listed.

2004-12-14  Jeff Law  <>

	* tree-outof-ssa.c (coalesce_abnormal_edges): Pass the correct target
	partition to conflict_graph_merge_regs.

2004-12-14  Uttam Pawar  <>
	    Janis Johnson  <>

	* rs6000.c (rs6000_handle_altivec_attribute_tree): Report errors
	for vector types with invalid component types.

2004-12-14  Jakub Jelinek  <>

	PR middle-end/18951
	* builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2,
	expand_builtin_mathfn_3): Avoid using arguments passed to
	save_expr after that call.

	* fold-const.c (fold_single_bit_test): If flag_syntax_only, pretend
	LOAD_EXTEND_OP is not defined.
	(fold): Likewise.  If flag_syntax_only, don't depend on BITS_PER_WORD.

2004-12-14  Tobias Schlueter  <>

	* tree.def, doc/c-tree.texi: Correctly document restrictions on the
	shift width.

2004-12-14  Kazu Hirata  <>

	* expr.h (expand_modifier): Define EXPAND_STACK_PARM as 1.

2004-12-14  Richard Earnshaw  <>

	PR target/18973
	arm-cores.def (arm926ej-s, arm1026ej-s, arm1136j-s, arm1136-jfs)
	(arm1176jz-s, arm1176jzf-s, mpcorenovfp, mpcore): Add load-scheduling
	property to flags.

2004-12-14  Diego Novillo  <>

	* tree-gimple.c (get_base_address): Update documentation.

2004-12-13  Richard Henderson  <>

	PR middle-end/17930
	* passes.c (rest_of_clean_state): Fix computation of

2004-12-13  Wolfgang Bangerth <>

	* reload.h: Remove struct needs and its only use.

2004-12-13  Roger Sayle  <>

	PR rtl-optimization/18928
	* simplify_rtx.c (plus_minus_operand_p): New function to encode
	the test for suitable operands for calls to simplify_plus_minus.
	Only allow (CONST (PLUS x y)) if both x and y are CONSTANT_P.
	(simplify_binary_operation): Use plus_minus_operand_p.

2004-12-13  Alexandre Oliva  <>

	PR tree-opt/16951
	* tree-inline.c (setup_one_parameter): Don't directly map a
	parameter to the address of another variable of the same

2004-13-12  Steven Bosscher  <>

	* basic-block.h (PROP_POSTRELOAD): Do not include PROP_AUTOINC, we
	can never create autoinc insns after reload.

2004-12-13  Jeff Law  <>
	    Kazu Hirata  <>

	PR tree-optimization/18694
	* tree-ssa-dom.c (thread_across_edge): Do not thread jumps if a
	PHI argument is set from a PHI_RESULT in the same block and the
	PHI argument is not the same as the PHI result.

2004-12-13  David Edelsohn  <>

	* xcoffout.c (xcoffout_declare_function): Always strip storage
	class encoding.

2004-12-13  Andrew Pinski  <>

	PR target/18964
	* config/darwin.c (darwin_assemble_visibility): Fix minor diagnostic
	problem, adding a space at the end of the string before concatenation.

2004-12-13  Kazu Hirata  <>

	* c-common.c (fname_as_string): Free namep if we are returning

	* tree-ssa-dom.c (record_edge_info): Fix memory leak.

2004-12-13  Andrew Pinski  <>

	* tree-cfg.c (remove_useless_stmts_cond): Call fold on COND_EXPR_COND.

2004-12-13  Kazu Hirata  <>

	* tree-ssa-dom.c (record_equivalences_from_phis): Speed up by
	doing a pointer comparison.

	* tree-ssa-dom.c (record_equivalences_from_phis): Add a

	* defaults.h, stmt.c, tree-cfg.c, tree-ssa-dce.c: Fix comment

2004-12-13  Kazuhiro Inaoka <>

	* config/m32r/t-linux (SHLIB_MAPFILES): Add libgcc-glibc.ver to
	the list rather than replacing the existing value.

2004-12-13  Richard Henderson  <>

	* cfg.c (dump_flow_info): Don't dump pseudo info after reload.

2004-12-13  Richard Henderson  <>

	* (insn-preds.o): Depend on REGS_H.
	* genpreds.c (write_insn_preds_c): Include regs.h.
	* config/i386/ (index_register_operand): Use

	* config/i386/i386.h (REG_CLASS_FROM_LETTER): Add 'l'.
	* config/i386/ (lea_general_1, lea_general_1_zext,
	lea_general_2, lea_general_2_zext, lea_general_3, lea_general_3_zext,
	adddi_1_rex64, addsi_1, addsi_1_zext, addhi_1_lea, addqi_1_lea,
	ashldi3_1_rex64, ashlsi3_1, ashlsi3_1_zext, ashlhi3_1_lea,
	ashlqi3_1_lea): Use 'l' for index register operand.
	(ashldi3_1_rex64 splitter): Use index_register_operand.
	(ashlsi3_1 splitter): Be more careful with modes.

2004-12-13  Danny Smith  <>

	PR target/18459
	* defaults.h (TARGET_USE_JCR_SECTION): New macro.
	* doc/tm.texi (TARGET_USE_JCR_SECTION): Document it.
	* config/i386/cygming.h (TARGET_USE_JCR_SECTION): Override

2004-12-13 Uros Bizjak <>

	PR target/14941
	PR target/18503
	* config/i386/ (sse_movss, sse2_movsd, sse2_movhpd):
	Fix wrong vec_merge selector bitmask.

2004-12-12  Richard Henderson  <>

	PR rtl-opt/17186
	* reg-stack.c (move_nan_for_stack_reg): New.
	(subst_stack_regs_pat): Use it.
	(move_for_stack_reg): Handle source register not live with a nan.

2004-12-12  Richard Henderson  <>

	* config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatch
	errors across operations.

2004-12-12  Di-an Jan  <>

	* doc/passes.texi (Pass Manager): Correct list of source files.

2004-12-12  Richard Henderson  <>

	* expr.c (emit_move_change_mode): New.
	(emit_move_via_alt_mode): Use it.

2004-12-12  Nathanael Nerode  <>
	    John David Anglin  <>

	PR middle-end/17564
	* dojump.c (do_compare_and_jump): Only canonicalize function pointers
	in a comparison if both sides are function pointers.

2004-12-12  Richard Henderson  <>

	PR target/18932
	* config/i386/ (all splits and peepholes): Use flags_reg_operand
	and compare_operator to propagate the input CC mode to the output.
	* config/i386/ (compare_operator): New.

2004-12-12  Andrew Pinski  <>

	PR tree-opt/18040
	* expr.c (get_inner_reference): Remove NON_LVALUE_EXPR, NOP_EXPR,
	(handled_component_p): Likewise.

2004-12-12  Kazu Hirata  <>

	* reg-stack.c (convert_regs_2): Free stack.

	* tree-ssa-dom.c (thread_across_edge, dom_opt_finalize_block): Fix
	comment typos.

2004-12-12  Daniel Berlin  <>

	* tree-ssa-loop-ch.c (copy_loop_headers): Loop can be null.
	* tree-ssa-loop-im.c (determine_lsm): tree_root may not have a real
	inner loop.

2004-12-12  Diego Novillo  <>

	* tree-gimple.c (get_base_address): Update documentation.

2004-12-12  Kazu Hirata  <>

	* lcm.c (optimize_mode_switching): Free ptr even when mode_set

2004-12-12  Roger Sayle  <>

	* reg-stack.c (change_stack): Avoid placing the new top-of-stack in
	its correct location during popping if we need to permute the stack
	afterwards.  Attempt to preserve the original stack ordering.

2004-12-12  Kazu Hirata  <>

	* lcm.c (optimize_mode_switching): Free insert and delete in
	the "for" loop.

2004-12-11  David Edelsohn  <>
	    Ulrich Weigand  <>

	PR target/18641
	* config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Reload all
	constants into all register classes intersecting with FLOAT_REGS
	via memory.
	* config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Same.
	* config/rs6000/ (movdi_internal32): Ignore FPRs when
	choosing register preferences.
	(movdi_internal64): Same.

2004-12-11  Kazu Hirata  <>

	* tree-into-ssa.c (rewrite_ssa_into_ssa): Free SSA_NAME_AUX
	before we release an SSA_NAME.

2004-12-11  Roger Sayle  <>

	PR middle-end/18921
	* fold-const.c (fold_unwidened_comparison): Use omit_one_operand
	instead of constant_boolean_node as arg0 may have side-effects.

2004-12-10  John David Anglin  <>

	* pa-host.c (pa_gt_pch_use_address): Use lseek and read to copy PCH
	file to anonymous private map.

2004-12-10  Roger Sayle  <>

	PR target/18002
	PR middle-end/18424
	* dojump.c (do_jump): When attempting to reverse the effects of
	fold_single_bit_test, we need to STRIP_NOPS and narrowing type
	conversions, and handle BIT_XOR_EXPR that's used to invert the
	sense of the single bit test.

2004-12-10  Devang Patel  <>

	PR 18732
	* gcc.c (main): Do not break out of loop when error is reported while
	processing one source file.

2004-12-10  Diego Novillo  <>

	* tree-into-ssa.c (REWRITE_THIS_STMT): Define.
	(mark_def_sites): Clear REWRITE_THIS_STMT for statements that
	don't need any operands rewritten.
	(rewrite_stmt): Ignore statements that don't need to be
	(rewrite_operand): Validate that an existing SSA_NAME is
	identical to the current reaching definition of the operand.

2004-12-10  Diego Novillo  <>

	* tree-dfa.c (mark_call_clobbered_vars_to_rename): New function.
	* tree-vectorizer.c (vectorizable_load): Call it.
	* tree-flow.h (mark_call_clobbered_vars_to_rename): Declare.
	* tree-sra.c (mark_all_v_defs): Also mark VUSEs for renaming.

2004-12-10  Kazu Hirata  <>

	* regmove.c (combine_stack_adjustments_for_block): Free
	memlist if it hasn't been freed.

2004-12-10  Ziemowit Laski  <>

	* c-typeck.c (lookup_field): Check if a TYPE_LANG_SPECIFIC
	pointer field is set before dereferencing it.

2004-12-10  Andrew Pinski  <>

	PR middle-end/18903
	* tree-cfg.c (remove_bb): Put the moved label at the beginning
	of the basic block.

2004-12-10  Kazu Hirata  <>

	* tree-data-ref.c (free_data_refs): Free each data_reference

	* tree-ssa-dom.c (thread_across_edge): Speed up by avoiding a
	call to is_gimple_min_invariant if we know the result.

2004-12-10  Jeff Law  <>

	* tree-ssa-alias.c (setup_pointers_and_addressables): Remove
	redundant test of v_ann->mem_tag_kind.

	* tree-ssa-operands.c (get_indirect_ref_operands): Remove
	redundant conditional clearing opf_kill_def.

2004-12-10  Richard Sandiford  <>

	* config/frv/frv-modes.def: Fix comment typos.
	(CC_NZ): Define new mode.
	* config/frv/frv-protos.h (frv_select_cc_mode): Declare.
	(condexec_intop_cmp_operator): Delete.
	* config/frv/frv.c (comparison_string): New function.
	(frv_print_operand): Use it to handle 'c' and 'C'.
	(relational_operator): Redefine in terms of integer_relational_operator
	and float_relational_operator.
	(signed_relational_operator, unsigned_relational_operator): Delete.
	(integer_relational_operator): New predicate, combining the above.
	Check the mode of the first operand but leave to check the rest.
	(float_relational_operator): Just check the mode of the first operand
	and leave to check the rest.
	(intop_compare_operator): Assume the result is compared with zero
	in mode CC_NZmode.  Allow PLUS and MINUS.  Leave to check
	the operand predicates.
	(condexec_intop_cmp_operator): Delete.
	(frv_ifcvt_modify_tests, frv_ifcvt_modify_multiple_tests)
	(frv_hard_regno_mode_ok): Handle CC_NZmode.
	(frv_select_cc_mode): New function.
	* config/frv/frv.h (SELECT_CC_MODE): Use frv_select_cc_mode.
	(PREDICATE_CODES): Replace entries for signed_relational_operand and
	unsigned_relational_operator with one for integer_relational_operator.
	Delete entry for condexec_intop_cmp_operator.
	* config/frv/ (movcc_nz, *internal_movcc_nz, reload_incc_nz)
	(reload_outcc_nz, *cmpsi_cc_nz, *cond_exec_cmpsi_cc_nz): New patterns.
	(*combo_intop_compare2, *combo_intop_compare4): Delete.
	(*combo_intop_compare1): Change mode to CC_NZ.
	(*combo_intop_compare2): Likewise.  Renamed from *combo_intop_compare3.
	(branch_{un,}signed_true, branch_{un,}signed_false)
	(*scc_{un,}signed, *scc_neg1_{un,}signed, *ck_{un,}signed)
	(*movqicc_internal1_{un,}signed, *movqicc_internal2_{un,}signed)
	(*movhicc_internal1_{un,}signed, *movhicc_internal2_{un,}signed)
	(*movsicc_internal1_{un,}signed, *movsicc_internal2_{un,}signed)
	(*movsfcc_has_fprs_{un,}signed, *movsfcc_no_fprs_{un,}signed)
	(*return_{unsigned_,}true, *return_{unsigned_,}false): Merge these
	pattern pairs.  Use integer_relational_operator.  Remove mode from

2004-12-10  Mark Dettinger  <>

	* config/s390/s390.c (struct processor_costs): New fields ml,
	sqdbr, sqebr.
	(s390_rtx_costs): Added the missing handling of multiply & add,
	square root, and umulsidi.

2004-12-10  Kazu Hirata  <>

	* expmed.c (synth_mult): Initialize new_limit.latency before
	making a recursive call.

2004-12-10  Nick Clifton  <>

	* config/mn10300/mn10300.c (legitimate_address_p): Reject address
	whose index is itself the sum of two other parts.

2004-12-10  Alan Modra  <>

	* config/t-slibgcc-sld (SHLIB_LINK): Correct symlink.

2004-12-10  Uros Bizjak  <>

	* config/i386/ (*cmpfp_sf): Change type attribute to "multi".

2004-12-09  Richard Henderson  <>

	PR c/18282
	* attribs.c (decl_attributes): Use relayout_decl.
	* c-common.c (handle_mode_attribute): Copy all relevant type
	parameters from the new underlying integral type.

2004-12-09  Richard Henderson  <>

	* c-common.c (shorten_compare): Don't special-case min/maxval
	for C enumerations.

2004-12-09  Richard Sandiford  <>

	* simplify-rtx.c (simplify_subreg): In the CONCAT case, check whether
	the request subreg is entirely contained in the requested component.
	(simplify_gen_subreg): Return null for CONCATs that are rejected
	by simplify_subreg.
	* expmed.c (store_bit_field): Create a temporary when changing the
	value to an integer mode.

2004-12-09  David Edelsohn  <>

	* real.c (ibm_extended): Correct comment.

2004-12-09  Stan Shebs  <>

	* config/rs6000/darwin-asm.h: New file, 32/64-bit assembly macros
	formerly in darwin-tramp.asm.
	* config/rs6000/darwin-tramp.asm: Include darwin-asm.h.
	* config/rs6000/darwin-fpsave.asm: Use 32/64-bit macros.
	* config/rs6000/t-darwin: Add dependencies.

2004-12-09  Richard Henderson  <>

	PR target/17025
	* config/i386/ (testqi_1_maybe_si, andqi_2_maybe_si): New.
	(test_qi_1, andqi_2): Do not promote to simode.

2004-12-09  Andrew Pinski  <>

	PR tree-opt/18904
	* tree-chrec.c (chrec_convert): Use fold_convert
	instead of convert.

2004-12-09  Matt Rice  <>

	PR preprocessor/18102
	* c-incpath.c (remove_duplicates): Check for construct

2004-12-09  Dorit Naishlos  <>

	* genopinit.c (vec_realign_store_optab): Initialization removed.
	* optabs.c (optab_for_tree_code): REALIGN_STORE_EXPR case removed.
	* optabs.h (optab_index): OTI_vec_realign_store Removed.
	(vec_realign_store_optab): Removed.
	* target.h (builtin_mask_for_store): Removed.
	* tree.def (REALIGN_STORE_EXPR): Removed.
	* config/rs6000/rs6000.c (rs6000_builtin_mask_for_store): Removed.
	(altivec_builtin_mask_for_store): Removed.
	(altivec_init_builtins): Removed initialization of


2004-12-09  Nathan Sidwell  <>

	* doc/c-tree.texi (CONSTRUCTOR): Mention RANGE_EXPRs.

	* tree.def (SET_TYPE): Remove.
	(CONSTRUCTOR): Update description.
	* builtins.c (type_to_class) Remove SET_TYPE case.
	* dbxout.c (dbxout_type): Likewise.
	* dwarf2out.c (is_base_type): Likewise.
	(gen_set_type_die): Remove.
	(gen_type_die): Remove SET_TYPE case.
	* expr.c (count_type_elements): Likewise.
	(mostly_zeroes_p): Likewise.
	(store_constructor): Likewise.
	* print_tree.c (print_node): Likewise.
	* stor-layout.c (layout_type): Likewise.
	* tree-browser.c (browse_tree): Likewise.
	* tree-inline.c (remap_type): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree.c (type_contains_plaeholder_1, type_hash_eq,
	variably_modified_type_p, initializer_zerop): Likewise.
	* tree.h (SET_OR_ARRAY_CHECK): Remove.
	* typeclass.h (enum type_class): Remove set_type_class.
	* varasm.c (const_hash_1): Remove SET_TYPE case.
	(compare_constant, copy_constant, output_constant): Likewise.
	* config/i386/i386.c (classify_argument): Likewise.
	* config/ia64/ia64.c (hfa_element_mode): Likewise.
	* config/sparc/sparc.c (sparc_type_code): Likewise.

	PR c++/16681
	* tree-inline.c (estimate_num_insns_1): Add RANGE_EXPR case.

2004-12-08  Richard Henderson  <>

	* config/i386/ Use FLAGS_REG everywhere.

2004-12-08  Eric Christopher  <>

	* config/mips/mips.c (mips_scalar_mode_supported_p): Rewrite
	to avoid call to default function.

2004-12-08  Zack Weinberg  <>

	PR 17982
	* varasm.c (pending_assemble_externals): New static.
	(assemble_external_real): Meat of assemble_external split out
	to this new function.
	(process_pending_assemble_externals): New function.
	(assemble_external): Use gcc_assert.  If flag_unit_at_a_time
	is true and the basic test passes, merely cons the decl onto
	the pending list to be handled later.
	* tree.h: Declare process_pending_assemble_externals.
	* cgraphunit.c (cgraph_optimize): Call it.

	* config/h8300/h8300.h: Do not define ASM_OUTPUT_EXTERNAL.

2004-12-08  Kazu Hirata  <>

	* cfgloopmanip.c (create_preheader): Speed up by "unrolling"
	and simplifying FOR_EACH_EDGE.

2004-12-08  Richard Sandiford  <>

	* config/frv/frv.c (frv_sort_insn_group): Always initialize

2004-12-08  Nathan Sidwell  <>

	PR c++/18672
	* gimplify.c (canonicalize_addr_expr): Cope with array of
	incomplete type.
	(gimplify_conversion): Remove redundant checks.

	* doc/trouble.texi (Non-bugs): Clarify empty loop removal.

2004-12-08  Uros Bizjak  <>

	* config/i386/i386.c (output_387_binary_op,
	ix86_prepare_fp_compare_args): Fix is_sse condition.

2004-12-07  Uros Bizjak  <>

	* config/i386/i386-protos.h (ix86_split_fp_branch): New rtx

	* config/i386/i386.c (output_fp_compare): Fix is_sse condition.
	Use EFLAGS_P only when fcomi insn should be used. Fix handling
	of eflags_p variable. Change alt table accordingly. For non-fcomi
	compare insn always use trailing fnstsw insn. Fix intmode
	calculation for ficom insn.
	(ix86_split_fp_branch): Add "rtx pushed" as new parameter. Call
	ix86_free_from_memory when "pushed" is specified.
	(ix86_expand_branch): Change call to ix86_split_fp_branch.

	* config/i386/ (*cmpfp_0_sf, *cmpfp_0_df, *cmpfp_0_xf):
	Change eflags_p parameter in call to output_fp_compare.
	(*cmpfp_2_sf, *cmpfp_2_df, *cmpfp_2_xf): Remove.
	(*cmpfp_2_sf_1, *cmpfp_2_df_1, *cmpfp_2_xf_1): Rename to
	*cmpfp_2_sf, *cmpfp_2_df, *cmpfp_2_xf.	Change eflags_p
	parameter in call to output_fp_compare.
	(*cmpfp_2_u): Remove.
	(*cmpfp_2_u_1): Rename to *cmpfp_2_u. Change eflags_p parameter
	in call to output_fp_compare.
	(*ficom_1): Remove insn definition and corresponding define_split.
	(*cmpfp_si): New insn definition.
	(*fp_jcc_8): New insn definition. Add new splitters for
	"memory_operand" and "register_operand".
	(define_split): Add new parameter in call to ix86_split_fp_branch.

	config/i386/ (float_operator): New predicate.

2004-12-08  Kazu Hirata  <>

	* c-common.c (verify_tree): Don't check code length if we know
	we are handling tcc_unary.
	* print_tree.c (print_node): Remove code to handle RTL
	appearing as a part of a tree node.
	* tree-gimple.c (recalculate_side_effects): Rename fro as len.
	* tree.c (build1_stat): Don't check TREE_CODE_LENGTH.
	(PROCESS_ARG): Don't refer to fro.
	(build2_stat, build3_stat, build4_stat): Don't compute fro.

2004-12-07  Roger Sayle  <>

	PR middle-end/18293
	* expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Move definition earlier.
	(expand_mult): Special case powers of two to avoid synth_mult.
	* loop.c (product_cheap_p): Handle case where expand_mult does
	require/generate any instructions (i.e. multiplication by zero).

2004-12-07  Richard Henderson  <>

	* tree-pretty-print.c (dump_array_domain): Split out from
	dump_generic_node; fix off-by-one error on zero-based array bounds.
	(dump_generic_node): Use it.
	(print_declaration): Likewise.

2004-12-08  Richard Guenther <>

	* doc/invoke.texi: Adjust default values for
	large-function-growth and inline-unit-growth to match
	params.def.  Clarify used algorithm.

2004-12-07  David Mosberger  <>

	PR target/18443
	* config/ia64/ia64.c (ia64_assemble_integer): Add support for
	emitting unaligned pointer-sized integers.

2004-12-07  Steven Bosscher  <>

	PR c/18867
	* c-typeck.c (c_start_case): Set orig_type to error_mark_node
	when the type of the controlling expression is not a valid type.

2004-12-07  Steven Bosscher  <>

	PR tree-optimization/17340
	* tree-ssa-pre.c (compute_antic): Fix comment.
	(compute_avail): Do not recurse, instead do a DFS using a stack
	and a loop.
	(execute_pre): Adjust.

2004-12-07  Ziemowit Laski  <>

	* c-tree.h (struct lang_type): Rename 'objc_protocols' field
	to 'objc_info'.

2004-12-07  Eric Christopher  <>

	PR target/16317
	* config/netbsd.h (NO_IMPLICIT_EXTERN_C): Define.

2004-12-07  Eric Christopher  <>

	* config/mips/mips-protos.h (mips_valid_pointer_mode): Move
	* config/mips/mips.c: ... here. Make static.

2004-12-07  Eric Christopher  <>

	PR target/18442
	* config/mips/mips.c (mips_vector_mode_supported_p): New function.

2004-12-07  Kazu Hirata  <>

	* c-common.c, expr.c, fold-const.c, print-tree.c,
	tree-gimple.c, tree-inline.c, tree-pretty-print.c,
	tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c: Replace uses of
	first_rtl_op with TREE_CODE_LENGTH.
	* tree.c (first_rtl_op): Remove.
	Replace uses of first_rtl_op with TREE_CODE_LENGTH.
	* tree.h: Remove the prototype for first_rtl_op.

2004-12-07  David Edelsohn  <>

	* config/rs6000/t-aix43, config/rs6000/t-aix52 (SHLIB_LINK):
	Revert 2004-12-01 change.

2004-12-06  Ziemowit Laski  <>

	* c-tree.h (struct lang_type): Add 'objc_protocols' field.

2004-12-06  DJ Delorie  <>

	* reload.c (find_valid_class): Fix logic to test inner mode as well.
	(push_reload): Pass inner mode.

2004-12-06  Eric Christopher  <>

	* doc/tm.texi (TARGET_VALID_POINTER_MODE): Document.

2004-12-06  Aldy Hernandez  <>

	* config/rs6000/sysv4.h: Define RELOCATABLE_NEEDS_FIXUP to 1.

2004-12-06  Zdenek Dvorak  <>
	    Kazu Hirata  <>

	PR tree-optimization/18601
	* tree-cfg.c (thread_jumps, thread_jumps_from_bb): Removed.
	(tree_forwarder_block_p): Do not consider blocks that are its own
	successors forwarders.
	(cleanup_forwarder_blocks, remove_forwarder_block): New functions.
	(cleanup_tree_cfg): Use cleanup_forwarder_blocks instead of
	* tree-flow.h (bb_ann_d): Remove forwardable.

2004-12-06  Kazu Hirata  <>

	* expr.c (expand_expr_real_1): Remove an "if" whose condition
	is always false.

2004-12-06  Roger Sayle  <>

	* c-gimplify.c (gimplify_c_loop): Improve initial implementations
	for loops whose conditions are known at compile-time.
	* gimplify.c (append_to_statement_list_1): Remove side_effects
	parameter, this function should never be called if its false.
	(append_to_statement_list): Only call append_to_statement_list_1
	if t is non-NULL tree with side-effects.
	(append_to_statement_list_force): Likewise, if t is not NULL.

2004-12-06  J"orn Rennecke <>

	* bt-load.c (btr_def_s): New member own_end;
	(add_btr_to_live_range): Add second parameter.  Changed caller.
	(clear_btr_from_live_range): Clear btrs_live_at_end bit
	for the register its definition basic block if own_end is set.
	(augment_live_range): Also take btrs_live_at_end into account.
	(combine_btr_defs): Don't bother with
	other_def->other_btr_uses_after_use if it pertains to a different
	(move_btr_def): Set def->other_btr_uses_before_def after
	calling combine_btr_defs."

	* bt-load.c (augment_live_range): New argument full_range.
	Changed all callers.

	* bt-load.c (move_tr_def): Set other_tr_uses_before_def
	taking new btr assignment into account.

2004-12-05  Daniel Berlin <>

	* tree-ssa-alias.c (create_global_var): Use void_type_node,
	not size_type_node.

2004-12-05  Kazu Hirata  <>

	* expr.c (expand_expr_real_1): Abort on COND_EXPR of

2004-12-05  Richard Henderson  <>

	PR target/18841
	* config/alpha/ (UNSPECV_SETJMPR_ER): New.
	(builtin_setjmp_receiver_er_sl_1): Use it.
	(builtin_setjmp_receiver_er_1): Likewise.
	(builtin_setjmp_receiver_er, exception_receiver_er): Remove.
	(builtin_setjmp_receiver): Don't split for explicit relocs until
	after reload.
	(exception_receiver): Likewise.

2004-12-05  Andrew Pinski  <>

	* (vis_hide): Add the prototype for the test.

2004-12-05  Roger Sayle  <>

	* c-typeck.c (c_finish_loop): Improve initial implementations
	for loops whose conditions are known at compile-time.

2004-12-05  Kazu Hirata  <>

	* builtins.c: Fix comment typos.

2004-12-04  John David Anglin  <>

	PR middle-end/18730
	* emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn): When
	the first/last insn is a sequence, return the first/last insn of the

	PR bootstrap/18804
	* (vis_hide): Use implementation instead of declaration
	for test function.

2004-12-04  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_expand_unaligned_load): Don't forget to
	use ofs in BWX two byte special case.
	(alpha_expand_unaligned_store): Likewise.

2004-12-04  Kazu Hirata  <>

	* gcse.c (gcse_main): Add a comment.

2004-12-04  Andrew  Pinski  <>

	PR middle-end/17909
	* builtins.c (fold_builtin_next_arg): Export and return true
	when there is a warning or an error.
	(expand_builtin_va_start): When fold_builtin_next_arg returns true,
	return const0_rtx.
	(expand_builtin): Likewise.
	* gimplify.c (gimplify_call_expr): Error out if there is not
	enough arguments to va_start. Call fold_builtin_next_arg also
	on the second argument.
	* tree.h (fold_builtin_next_arg): Prototype.

2004-12-04  Alan Modra  <>

	* Build shared libgcc and shared libunwind in gcc/.
	Don't subst shlib_dir for SHLIB_LINK, SHLIBUNWIND_LINK,
	* config/i386/t-nwld (SHLIB_NAME): Use shlib_base_name in place of
	shlib_dir and shlib_so_name.
	* config/mips/t-slibgcc-irix (SHLIB_NAME): Likewise.
	* config/t-libunwind-elf (SHLIB_NAME): Likewise.
	* config/t-slibgcc-darwin (SHLIB_NAME): Likewise.
	* config/t-slibgcc-elf-ver (SHLIB_NAME): Likewise.
	* config/t-slibgcc-sld (SHLIB_NAME): Likewise.
	(SHLIB_LINK): Don't use shlib_dir when creating symlink.

2004-12-03  Roger Sayle  <>

	* doc/tm.texi (TARGET_DELEGITIMIZE_ADDRESS): Document target hook.

2004-12-03  Richard Henderson  <>

	* alias.c (component_uses_parent_alias_set): Rename from
	can_address_p.  Return bool.  Reverse the sense of the result.
	Reinstate the check for alias set zero.
	(get_alias_set): Update to match.
	* alias.h (component_uses_parent_alias_set): Likewise.
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
	* expr.c (expand_assignment): Likewise.
	* expr.h: Remove commented out prototypes that were moved to alias.h.

2004-12-03  Richard Henderson  <>

	* doc/tm.texi (TARGET_BUILD_BUILTIN_VA_LIST): New.

2004-12-04  Alan Modra  <>

	PR middle end/18718
	* sched-rgn.c (schedule_region): Don't assume REG_SAVE_NOTEs are
	in pairs.
	* sched-ebb.c (schedule_ebb): Likewise.

2004-12-03  Andreas Schwab  <>

	* (HOSTHOOKS_DEF_H): Define.
	(ggc-common.o): Depend on $(HOSTHOOKS_DEF_H).
	(host-default.o): Likewise.

2004-12-03  Eric Christopher  <>

	* config/stormy16/ (pushqi, popqi, pushhi,
	pophi): Add number of arguments to name so that the
	pattern is recognized as a named pattern.

2004-12-03  Janis Johnson  <>

	* doc/extend.texi (AltiVec Builtins): Fix info about signedness.

2004-12-03  Andreas Tobler  <>

	* config/rs6000/rs6000.c (rs6000_override_options): Protect
	darwin_one_byte_bool with #if.

2004-12-03  Paolo Bonzini  <>

	* doc/tm.texi (Misc): Document TARGET_FOLD_BUILTIN.

2004-12-03  H.J. Lu  <>

	* Put back the default set of EXTRA_MULTILIB_PART.

2004-12-03  Richard Sandiford  <>

	* Move TL_AC_GCC_VERSION into initialization section.
	Set libstdcxx_incdir directly.
	* configure: Regenerate.

2004-12-03  Kazu Hirata  <>

	* tree-ssa-dom.c (record_equivalences_from_phis): Remove an
	"if" whose condition is always true.

	* cfgrtl.c (rtl_verify_flow_info_1): Use JUMP_P instead of

2004-12-02  Stan Shebs  <>

	* config/rs6000/rs6000.c (rs6000_override_options): Make 64-bit
	Darwin default to one-byte bools.

2004-12-02  Richard Henderson  <>

	PR 18774
	* simplify-rtx.c (simplify_immed_subreg): Fail complex modes.

2004-12-03  Ben Elliston  <>

	* doc/cfg.texi (Edges): Update. Document the edge_iterator data
	type and its methods.

2004-12-02  Richard Henderson  <>

	* expr.c (write_complex_part): Use simplify_gen_subreg when the
	submode is at least as large as a word.
	(read_complex_part): Likewise.

2004-12-02  H.J. Lu  <>

	PR bootstrap/18532
	* Build one set of EXTRA_MULTILIB_PARTS for
	multilib at a time. Don't build the default set. Don't add
	EXTRA_MULTILIB_PARTS to shared libunwind nor libgcc. Remove
	filter for shared libunwind and libgcc.

2004-12-02  Roger Sayle  <>

	PR target/18759
	* config/i386/i386.c (override_options): If -fomit-frame-pointer has
	already been specified, ignore the -momit-leaf-frame-pointer option.

2004-12-02  H.J. Lu  <>

	* varasm.c (make_decl_rtl): Add the missing `;'.

2004-12-02  Andrew Pinski  <>

	* tree.c (is_attribute_p): Split out to ..
	(is_attribute_with_length_p): Here.  Use IDENTIFIER_LENGTH instead
	of strlen and compare the string lengths before calling strcmp.
	(lookup_attribute): Call is_attribute_with_length_p instead of

2004-12-02  Devang Patel  <>

	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -gfull and -gused.
	* config/rs6000/darwin.h (CC1_SPEC): Do not handle -gfull and -gused.
	* config/i386/darwin.h (CC1_SPEC): Same.

2004-12-02  Richard Henderson  <>

	* optabs.c (lowpart_subreg_maybe_copy): New.
	(expand_unop, expand_abs_nojump): Use it.

2004-12-02  J"orn Rennecke <>

	* (extv, extzv): Add pattern predicate.

2004-12-02  Kazu Hirata  <>

	* tree-cfg.c (phi_alternatives_equal): Check that PHI_ARG_DEF
	is not null.

	* tree-cfg.c (phi_alternatives_equal): Check that PHI_ARG_DEF
	is not null.

	* tree-cfg.c (thread_jumps): Reduce the size of WORKLIST.

2004-12-02  Jeff Law  <>

	* tree-eh.c: Revert yesterday's change.

2004-12-02  Andrew Pinski  <>

	* varasm.c (decode_reg_name): Revert change to check for zero
	length strings.
	(make_decl_rtl): Make sure that we call decode_reg_name only
	when needed.

2004-12-02  Dorit Naishlos  <>

	PR tree-opt/18716
	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Properly set
	then and else labels.

2004-12-02  Andreas Schwab  <>

	* (WERROR_FLAGS): Renamed from WERROR.
	(STRICT2_WARN): Use $(WERROR_FLAGS) instead of $(WERROR).
	(STAGE2_FLAGS_TO_PASS): Likewise.

	* config/i386/x-mingw32: Set WERROR_FLAGS instead of WERROR.

2004-12-02  Richard Sandiford  <>

	* Use TL_AC_GCC_VERSION to set gcc_version.  Remove
	now-redundant AC_SUBSTs.
	* aclocal.m4: Include ../config/gcc-version.m4.
	* configure: Regenerate.

2004-12-02  Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_assemble_integer): Put back the

2004-12-01  Roger Sayle  <>

	PR target/9908
	* config/i386/ (*call_value_1, *sibcall_value_1): Correct
	Intel assembler syntax by using %A1 instead of %*%1.

2004-12-01  Richard Henderson  <>

	* expr.c (expand_assignment): Handle CONCAT both as a final
	destination and as a middle point.

2004-12-01  Jeff Law  <>

	* tree-eh.c (save_eptr, save_filt): Now file scoped statics.
	(honor_protect_cleanup_actions): Only create save_eptr and
	save_filt if they do not already exist.
	(lower_eh_constructs): Wipe all knowledge of save_eptr and
	save_filt before returning.

2004-12-02  Kazu Hirata  <>

	* tree-phinodes.c (remove_phi_arg_num): Fix a comment.

2004-12-02  Alan Modra  <>

	PR target/16952
	* config/rs6000/rs6000.c (rs6000_assemble_integer): Replace
	* config/rs6000/linux.h (RELOCATABLE_NEEDS_FIXUP): Define in terms
	of target_flags_explicit.
	* config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Ditto for biarch
	case.  Define as 0 for non-biarch.

2004-12-01  Zack Weinberg  <>

	* config/rs6000/t-aix43, config/rs6000/t-aix52 (SHLIB_LINK):
	Change temporary file tag from a prefix to an infix.

2004-12-02  Andreas Schwab  <>

	* gcc.c (struct option_map): Add entry for "--pass-exit-codes".

2004-12-01  Andrew Pinski  <>

	PR tree-opt/18763
	PR tree-opt/18746
	* tree-ssa-alias.c (init_alias_info): Get statement operands for all
	the statements if aliases_computed_p is true.

2004-12-01  Mark Mitchell  <>

	* (WERROR): New variable.
	(STRICT2_WARN): Use it.
	(STAGE2_FLAGS_TO_PASS): Likewise.
	* config/i386/x-mingw32 (WERROR): Add -Wno-format.

2004-12-01  Richard Henderson  <>

	* expr.c (get_inner_reference): Fix thinko in REAL/IMAGPART_EXPR

2004-12-01  Diego Novillo  <>

	PR tree-optimization/18291
	* tree-ssa-copy.c (merge_alias_info): Fix merging of
	flow-sensitive alias information.  If the new pointer has no
	name tag, copy it from the original pointer.  Otherwise, make
	sure that the pointed-to sets have a common intersection.

2004-12-01  Richard Henderson  <>

	PR rtl-opt/15289
	* emit-rtl.c (gen_complex_constant_part): Remove.
	(gen_realpart, gen_imagpart): Remove.
	* rtl.h (gen_realpart, gen_imagpart): Remove.
	* expmed.c (extract_bit_field): Remove CONCAT hack catering to
	* expr.c (write_complex_part, read_complex_part): New.
	(emit_move_via_alt_mode, emit_move_via_integer, emit_move_resolve_push,
	emit_move_complex_push, emit_move_complex, emit_move_ccmode,
	emit_move_multi_word): Split out from ...
	(emit_move_insn_1): ... here.
	(expand_expr_real_1) <COMPLEX_EXPR>: Use write_complex_part.
	<REALPART_EXPR, IMAGPART_EXPR>: Use read_complex_part.
	* function.c (assign_parm_setup_reg): Hard-code transformations
	instead of using gen_realpart/gen_imagpart.

	* expr.c (optimize_bitfield_assignment_op): Split out from ...
	(expand_assignment): ... here.  Use handled_component_p to gate
	get_inner_reference code.  Simplify MEM handling.  Special case
	CONCAT destinations.

	* expmed.c (store_bit_field): Use simplify_gen_subreg instead
	of gen_rtx_SUBREG directly.

2004-12-01  David Edelsohn  <>
	    Nathan Sidwell  <>

	PR target/17107
	* config/rs6000/ (sge): Enable for non-TARGET_POWER.
	(sgt): Same.
	(sle): Same.
	(slt): Same.

2004-12-01  Nathan Sidwell  <>

	PR middle-end/18667
	* params.c (set_param_value): Add range check.
	* params.def: Add min and max values. Reformat long strings.
	* params.h (struct param_info): Add min and max fields.
	(enum compiler_param): Adjust DEFPARAM.
	* toplev.c (lang_independent_params): Likewise.

2004-12-01  Alan Modra  <>

	PR target/12817
	* config/rs6000/rs6000.c (rs6000_emit_prologue): Use r0 for vrsave.

2004-12-01  Joseph S. Myers  <>

	* doc/standards.texi: Update for C99 TC2.

2004-11-30  Jeff Law  <>

	* sbitmap.c (sbitmap_any_common_bits): New function.
	* sbitmap.h (sbitmap_any_common_bits): Prototype.
	* modulo-sched.c (sms_schedule_by_order): Use sbitmap_any_common_bits
	No longer allocate/free "psp", "pss" sbitmaps.
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Similarly for
	the "res" sbitmap.
	(group_aliases): Similarly.

2004-11-30  Nathan Sidwell  <>

	* tree-vectorizer.c (vect_analyze_data_refs): Reformat and avoid
	uninitialized variable.

2004-11-30  Eric Christopher  <>

	* fold-const.c (fold_widened_comparison): Make sure that we're
	passing an INTEGER_TYPE to int_fits_type_p.
	(fold): Clean up comment.

2004-11-30  Zack Weinberg  <>

	* Correct calculation of libgcc_s_soname and
	libunwind_soname.  Use $out, not $outS, in commands for
	no-shared-library case.  Move EXTRA_MULTILIB_PARTS rules above
	library build rules, make $libunwind_so and $libgcc_s_so
	depend on them in the normal fashion, and filter those objects
	out of @shlib_objs@.

2004-11-30  Janis Johnson  <>

	* config/rs6000/altivec.h (vec_step_help): Support const vector types.

2004-11-30  Andrew Pinski  <>

	PR tree-opt/18298
	* tree-optimize.c (init_tree_optimization_passes): Add a may_alias
	pass right after fold builtins.

2004-11-30  Andreas Krebbel  <>

	* config/s390/s390-modes.def: Added cc modes documentation.
	* config/s390/s390.c: (s390_tm_ccmode, s390_select_ccmode,
	s390_expand_addcc): Added cc mode comments.
	* config/s390/ Removed old cc mode documentation.

2004-11-30  Mark Dettinger  <>

	* config/s390/s390.c (struct processor_costs): New data type.
	(s390_cost, z900_cost, z990_cost): New global variables.
	(override_options): Initialize s390_cost.
	(s390_rtx_costs): Reimplement.

2004-11-29  Daniel Berlin  <>

	Fix PR tree-optimization/18673

	* tree-ssa-pre.c: Remove splay-tree.h include.
	(bitmap_value_replace_in_set): Fix to add if it does not exist.
	(find_or_generate_expression): Remove now-wrong condition.
	(create_expression_by_pieces): Fix condition and comment reason
	for it.
	(insert_aux): Fix condition and comment reasons for it.
	Factor insertion code from here.
	(insert_into_preds_of_block): To here.  Fix conditions in factored
	function and comment reasons for them.

2004-11-30  Ira Rosen  <>

	PR tree-opt/18607
	* tree-vectorizer.c (vect_analyze_data_refs): Use temporary
	variable for data_reference when looking for memtag.

2004-11-30  Jakub Jelinek  <>

	* c-opts.c (check_deps_environment_vars): If spec != NULL, set

2004-11-30  Dorit Naishlos  <>

	* tree-vectorizer.c (vect_gen_niters_for_prolog_loop): Use
	tree_low_cst instead of TREE_INT_CST_LOW.

2004-11-30  Dorit Naishlos  <>

	PR target/18173
	* tree-vectorizer.c (vect_can_force_dr_alignment_p): Return false for
	decls that are assembled before vectorization takes place.
	(vect_compute_data_ref_alignment): Set DECL_USER_ALIGN to 1.

2004-11-30  Ulrich Weigand  <>

	* passes.c (rest_of_handle_old_regalloc): Delete unreachable blocks
	if local_alloc modified jumps.

2004-11-30  Alan Modra  <>

	* varasm.c (default_encode_section_info): Don't set SYMBOL_FLAG_SMALL
	on TLS symbols.
	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Remove TLS

2004-11-30  Zack Weinberg  <>

	* gthr-gnat.c, gthr-gnat.h, gthr.h, libgcc2.h, unwind-dw2-fde.h
	* unwind.h: Surround all visibility pragmas with #ifndef HIDE_EXPORTS.

	* Drastic restructure for comprehensibility.
	Remove the old hidden-directive hack.
	Eliminate support for .txt files in LIB2ADD etc (never used).
	Eliminate support for assembly source files in LIB2ADDEH* and
	LIBUNWIND (also never used).
	Build up dependency lists for libraries incrementally.
	If we have SHLIB_LINK, compile each file twice, once for the
	static and once for the shared library; also probe for
	-fvisibility=hidden in the generated  If found,
	pass that and -DHIDE_EXPORTS to the compilation of every C
	source file going into the static library.  If found, generate
	hidden-directive lists for every assembly source file going
	into the static library, but incorporate them with -include
	instead of ld -r.
	Write comments into generated to facilitate debugging.
	* Pass ASM_HIDDEN_OP to mklibgcc.
	* config/t-slibgcc-darwin: Define ASM_HIDDEN_OP.

	* config/darwin.h (REAL_LIBGCC_SPEC): Put -lgcc back in
	-Zdynamiclib case.

2004-11-29  Richard Henderson  <>

	* expr.c (get_inner_reference): Handle REAL/IMAGPART_EXPR.
	(handled_component_p): Likewise.
	* alias.c (can_address_p): Reformat and simplify.  Handle
	REAL/IMAGPART_EXPR.  Do not disable addressability based on
	alias set zero.
	* fold-const.c (build_fold_addr_expr_with_type): Remove duplicate
	* gimplify.c (gimplify_compound_lval): Likewise.
	* tree-cfg.c (verify_expr): Likewise.
	* tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
	* tree-nested.c (build_addr, convert_nonlocal_reference): Likewise.
	(convert_local_reference): Likewise.
	* tree-ssa-loop-ivopts.c (prepare_decl_rtl): Likewise.

2004-11-30  Alan Modra  <>

	* expr.c (emit_group_load_1): Don't die on const_int orig_src.

2004-11-29  John David Anglin  <>

	PR pch/14940
	* config/pa/pa-host.c, config/pa/x-hpux, config/pa/x-linux: New files.
	* (hppa*-*-hpux*, hppa*-*-linux): Define out_host_hook_obj
	and host_xmake_file using new host configuration files.

2004-11-29  Roger Sayle  <>

	* reg-stack.c (change_stack): Improve algorithm used to pop regs
	off the stack to maximize ffreep usage and reduce fxch count.

2004-11-30  James A. Morrison  <>

	PR middle-end/18596
	* c-decl.c (grokdeclarator): Reset DECL_INTIAL to error_mark_node
	on errors.

2004-11-30  Richard Kenner  <>

	* expr.c (expand_expr_real_1, case NOP_EXPR): Properly handle
	REDUCE_BIT_FIELD by applying it to result, not input, of conversion.

2004-11-30  Ben Elliston  <>

	* (REGS_H): Depend on $(BASIC_BLOCK_H).

2004-11-29  Andrew Pinski  <>

	PR c/18479
	* c-common.c (handle_visibility_attribute): When the type decl
	is really a identifier node, warn about being ignored and return.

2004-11-29  Richard Henderson  <>

	* tree-cfg.c (tree_node_can_be_shared): Fix typo'd error_mark_node.

2004-11-29  Steven Bosscher  <>

	* cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge):
	Remove CASE_DROPS_THROUGH checks, it is never defined.
	* cfglyout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (rtl_verify_flow_info): Likewise.
	* stmt.c (expand_case): Likewise.
	* cfgbuild.c (make_edges): Likewise.  Also remove force_fallthru,
	it is now always 0.
	* system.h (CASE_DROPS_THROUGH): Poison.
	* doc/md.texi (casesi): Remove documentation of CASE_DROPS_THROUGH.
	* doc/tm.texi (casesi): Remove documentation of CASE_DROPS_THROUGH.

	* config/v850/v850.h: Remove commented out CASE_DROPS_THROUGH.

2004-11-29  Andrew Pinski  <>

	PR middle-end/18725
	* tree-cfg.c (tree_node_can_be_shared): Error_mark_node can be
	shared always.

2004-11-29  Diego Novillo  <>

	PR tree-optimization/18712
	* tree-into-ssa.c (insert_phi_nodes_for): Pass argument
	WORK_STACK by reference.
	Call VEC_safe_push instead of VEC_quick_push.
	Update all users.

2004-11-29  Daniel Jacobowitz  <>

	PR c/7544
	* (c-lang.o): Update dependencies.
	* c-lang.c: Include "c-pragma.h".
	(finish_file): Call maybe_apply_pending_pragma_weaks.
	* c-pragma.c (maybe_apply_pending_pragma_weaks): New function.
	* c-pragma.h (maybe_apply_pending_pragma_weaks): New prototype.

2004-11-29  Richard Henderson  <>

	PR target/17224
	* config/ia64/ (sdata_symbolic_operand): Deny offsets
	outside the referenced object.

2004-11-29  Kazu Hirata  <>

	* tree-if-conv.c (replace_phi_with_cond_modify_expr): Use
	* tree-ssa-live.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa.c: Likewise.

	* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Speed up by
	simplifying edge manipulation.

	* cfgrtl.c (rtl_tidy_fallthru_edge): Speed up by using

	* tree-cfg.c (tree_redirect_edge_and_branch): Call find_edge
	only when needed.

	* cfg.c (flow_obstack): Remove.
	(flow_firstobj): Likewise.
	(init_flow): Remove all uses of flow_obstack.

2004-11-29  Alan Modra  <>

	* varasm.c (default_elf_select_section_1): Only pass DECL_P decl
	to named_section.

2004-11-29  Nathan Sidwell  <>

	* opts.c (decode_options): Do not set max-inline-insns-rtl.
	(common_handle_option): Likewise.
	* params.def (PARAM_MAX_INLINE_INSNS_RTL): Remove.
	* params.h (MAX_INLINE_INSNS_RTL): Remove.
	* doc/invoke.texi (max-inline-insns-rtl): Remove.

2004-11-29  Alan Modra  <>

	PR target/9571
	* varasm.c (default_elf_select_section_1): Pass decl to named_section.

2004-11-28  Andrew Pinski  <>

	PR middle-end/18164
	* gimplify.c (gimplify_asm_expr): If the length of an output operand
	is zero, do not process it, just let it go through.

2004-11-28  Richard Kenner  <>
	    Diego Novillo  <>

	PR/18662, also backported from tree-cleanup-branch.
	* tree-ssa-ccp.c (substitute_and_fold): If replaced anything,
	always call maybe_clean_eh_stmt and modify_stmt.

2004-11-28  Richard Kenner  <>

	* tree-ssa-operands.c (build_ssa_operands, case MODIFY_EXPR):
	Ignore a VIEW_CONVERT_EXPR on LHS when deciding if must or may def.
	* tree-ssa-ccp.c (visit_assignment): If LHS is a VIEW_CONVERT_EXPR,
	add an inverse VIEW_CONVERT_EXPR to const_val.

	* tree-nested.c (check_for_nested_with_variably_modified): New.
	(create_nesting_tree): Call it.

	* tree-ssa-alias.c (compute_points_to_and_addr_escapes): Remove
	special code for assigning to non-pointer.
	(is_escape_site): If RHS is a conversion between pointer and integer
	types,	this is an escape site.

	* gcse.c (insert_store): Error if try to insert store on abnormal edge.
	(store_motion): Don't move store if any edge we'd want to move it
	to is abnormal.

	* expr.c (expand_expr_real_1, case ARRAY_REF): Properly fold with
	non-zero lower bound.

	* expr.c (categorize_ctor_elements_1, case STRING_CST): New case.

2004-11-28  Matt Kraai  <>

	PR diagnostic/17594
	* opts.c (find_opt): Require that the input match a switch exactly
	or that the switch take a joined option to be interpreted as a
	match for another language.

2004-11-28  Andrew Pinski  <>

	* timevar.def (TV_TREE_REDPHI): New timevar.
	* tree-ssa.c (pass_redundant_phi): Use TV_TREE_REDPHI for the tv id.

2004-11-28  Nathanael Nerode  <>

	PR preprocessor/17651
	* c-opts.c (sanitize_cpp_opts): Make flag_no_output imply
	* c-ppoutput.c (pp_file_change): Remove now-redundant check of

2004-11-28  Theodore A. Roth  <>

	* config/avr/avr.c (avr_handle_fndecl_attribute): Generate a
	warning if the function name does not begin with "__vector" and the
	function has either the 'signal' or 'interrupt' attribute.

2004-11-28  Theodore A. Roth  <>

	* config/avr/avr.c (avr_mcu_types): Add entries for atmega48,
	atmega88, atmega168, attiny13, attiny2313, at90can128, atmega165,
	atmega325, atmega3250, atmega645 and atmega6450.
	* config/avr/avr.h (LINK_SPEC): Ditto.
	(LIB_SPEC): Ditto.
	(LIBGCC_SPEC): Ditto.
	* config/avr/t-avr (MULTILIB_MATCHES): Ditto.

2004-11-28  Nathanael Nerode  <>

	PR preprocessor/17610
	* testsuite/gcc.dg/cpp/empty-include.c: New testcase.

2004-11-28  Jeff Law  <>

	* tree-ssa-alias.c (count_calls_and_maybe_create_global_var): New.
	(pass_maybe_create_global_var): New.
	* tree-pass.h (pass_maybe_create_global_var): Declare.
	* tree-optimize.c (init_tree_optimization_passes): Link in

2004-11-28  Richard Kenner  <>

	* tree-inline.c (inline_forbidden_p_1, case RECORD_TYPE): Add comment.

2004-11-28  Ulrich Weigand  <>

	PR rtl-optimization/18420
	* simplify-rtx.c (simplify_gen_subreg): Revert 2004-10-28 change.

2004-11-28  Steven Bosscher  <>
	    John David Anglin  <>

	* config/vax/vax.h (CASE_DROPS_THROUGH): Don't define.
	* config/vax/ (casesi): Emit a test-and-branch to make sure
	that the case is in range, to make sure the casesi insn is always
	in range and never falls through.
	(casesi1): Add comment to explain why casesi never falls through.
	Remove the unnamed special case casesi pattern.

2004-11-28  Hans-Peter Nilsson  <>

	PR target/18331
	* config/mmix/ ("*movdicc_real_reversible"): Rename from
	"*movdicc_real".  Only match reversible comparisons.
	("*movdicc_real_nonreversible"): New pattern, split from
	"*movdicc_real".  Match only nonreversible comparisons.  Exclude
	reversed alternatives.
	("*movdfcc_real_reversible", "*movdfcc_real_nonreversible"):

2004-11-27  Richard Henderson  <>

	* config/ia64/ Move all define_predicate's ...
	* config/ia64/ ... here.  New file.

2004-11-27  Per Bothner  <>

	PR bootstrap/18142
	Re-applied following, with two modifications: add a URL for the
	fixed cctools; only exit if $build = $target.

	2004-10-18  Kelley Cook  <>
	* (powerpc-*-darwin*): Require assembler to support
	.machine directive.
	* configure: Regenerate.

2004-11-28  David Edelsohn  <>

	PR target/16800
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Improve accuracy of
	EQ, GTU, and LTU costs.  Add costs for GT, LT, and UNORDERED.
	Distinguish between SImode and DImode CONST_INT.

2004-11-28  Andreas Fischer <>
	    Alan Modra  <>

	PR target/16343
	* config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Disallow
	functions, strings and thread-local vars.

2004-11-28  Alan Modra  <>

	* config/rs6000/rs6000.h (WORLD_SAVE_P): Define.
	* config/rs6000/darwin.h (WORLD_SAVE_P): Define.
	* config/rs6000/rs6000.c (compute_save_world_info): Use WORLD_SAVE_P
	to allow non-darwin ABIs to optimize away code.
	(rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.

2004-11-27  Kazu Hirata  <>

	* tree.c (operand_equal_for_phi_arg_p): New.
	* tree.h: Add a prototype for operand_equal_for_phi_arg_p.
	* tree-cfg.c, tree-ssa-dom.c, tree-ssa-phiopt.c, tree-ssa.c:
	Replace operand_equal_p with operand_for_phi_arg_p

	* bb-reorder.c (find_traces_1_round): Speed up by using

	* fold-const.c, config/i386/linux64.h: Fix comment typos.

2004-11-27  John David Anglin  <>

	PR pch/14940
	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Revert 2004-11-22 change.

2004-11-27  Kazu Hirata  <>

	* config/i386/linux.h: Fix a comment typo.
	* doc/extend.texi: Fix a typo.

2004-11-27  Jeff Law  <>

	* tree-cfg.c (cleanup_tree_cfg): Also return true if blocks
	are merged.

2004-11-27  Jakub Jelinek  <>

	* config/i386/linux64.h (REG_NAME): Define.

2004-11-27  Jakub Jelinek  <>

	* fold-const.c (extract_muldiv_1) <case ABS_EXPR>: If ctype is
	unsigned and type signed, build ABS_EXPR with signed_type (ctype)
	and only afterwards convert to ctype.

2004-11-27  Richard Sandiford  <>

	* config/mips/mips-protos.h (function_arg_boundary): Declare.
	* config/mips/mips.h (PARM_BOUNDARY): Simplify definition.
	(FUNCTION_ARG_BOUNDARY): Use new function_arg_boundary function.
	* config/mips/mips.c (function_arg_boundary): New function.
	Impose a maximum alignment of STACK_BOUNDARY.

2004-11-27  Jakub Jelinek  <>

	PR rtl-optimization/17825
	* combine.c (subst): Ignore STRICT_LOW_PART no matter if REG_P (new)
	or not.

2004-11-27  Alan Modra  <>

	PR target/12769
	* config/rs6000/rs6000.c (init_cumulative_args): Set call_cookie
	from rs6000_default_long_calls for libcalls.

2004-11-26  Richard Kenner  <>

	* expmed.c (extract_bit_field): When extracting from non-integer mode,
	force a SUBREG into a register because we may be taking a further
	SUBREG of it.

2004-11-27  Di-an Jan  <>

	* doc/contrib.texi (Tim Josling): Remove nesting quotation marks.

2004-11-26  Robert Millan  <>

	Changes for k*bsd-gnu support.
	* config/i386/linux.h: Define REG_NAME to allow overriding of
	register names in sc structure.
	* config/i386/linux-unwind.h: Refer to sc->REG_NAME(reg) instead
	of sc->reg.
	* config.gcc: Detect x86_64-k*bsd-gnu systems.

2004-11-26  Jeff Law  <>

	* tree-ssa.c (verify_flow_sensitive_alias_info): Don't
	retrieve annotations or pointer info before it's necessary.
	Reorder tests for early continue of the loop.  Manually CSE

2004-11-26  Eric Botcazou  <>

	* target.h (struct gcc_target): New field 'dwarf_handle_frame_unspec'.
	* target_def.h (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define to 0.
	* dwarf2out.c (dwarf2out_frame_debug_expr): Allow REG->REG move
	to a fixed reg if the source is the Return Address register.
	Implement new Rule 15.
	* doc/tm.texi (Frame Layout): Document TARGET_DWARF_HANDLE_FRAME_UNSPEC.
	* config/sparc/sparc.c (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define to
	(gen_save_register_window): New function.
	(emit_stack_pointer_increment): Rename into gen_stack_pointer_inc.
	(emit_stack_pointer_decrement): Rename into gen_stack_pointer_dec.
	(expand_prologue): Adjust calls to emit_stack_pointer_{in,de}crement.
	Set RTX_FRAME_RELATED_P on the appropriate insns and members of insns.
	(sparc_asm_function_prologue): Do not emit call frame debugging info.
	(emit_and_preserve): Adjust calls to emit_stack_pointer_{in,de}crement.
	(sparc_expand_epilogue): Likewise.
	(sparc_dwarf_handle_frame_unspec): New function.
	* config/sparc/ (save_register_window): Remove.
	(save_register_windowdi): Rewrite modelled on the callframe debug info.
	(save_register_windowsi): Likewise.

2004-11-26  Alexandre Oliva  <>

	* config/frv/frv-protos.h: Guard ifcvt functions declarations with

2004-11-26  Alexandre Oliva  <>

	* config/frv/frv.c (frv_ifcvt_modify_insn): Don't leave alone
	scratch insns that set a register live at the join point.

2004-11-26  Kazu Hirata  <>

	* cse.c, tree-ssa-operands.c: Fix comment typos.

	* tree-cfg.c (tree_split_edge): Speed up by using find_edge.

2004-11-26  James A. Morrison  <>

	PR target/18510
	* doc/extend.texi (SPARC VIS Built-in Functions): New section.

2004-11-26  Kazu Hirata  <>

	* cfgrtl.c (try_redirect_by_replacing_jump): Speed up the
	check that tests if all edges go to the same destination.

	* bitmap.c (bitmap_find_bit): Speed up by traversing from
	head->first if that seems profitable.

2004-11-25  Jeff Law  <>

	* timevar.def (TV_TREE_LOOP_INIT, TV_TREE_LOOP_FINI): New timevars.
	* tree-ssa-loop.c (pass_loop_init): Use TV_TREE_LOOP_INIT.
	(pass_loop_done): Use TV_TREE_LOOP_FINI.

2004-11-26  Alan Modra  <>

	PR rtl-optimization/16356
	* config/rs6000/ (floatdisf2_internal2): Rewrite with
	separate output register and one less jump.  Enable for powerpc64.
	(floatdisf2): Adjust for above.

2004-11-25  Bob Wilson  <>

	* config/xtensa/xtensa.h (STARTFILE_SPEC): Add crt0.

2004-11-25  Andrew Pinski  <>

	PR middle-end/17957
	* tree-complex.c (vector_inner_type): New variable moved from
	(vector_last_type): Likewise.
	(vector_last_nunits): Likewise.
	(build_word_mode_vector_type): Use the new variables.
	* (tree-complex.o): Add gt-tree-complex.h $(GGC_H).
	(GTFILES): Add tree-complex.c.
	(gt-tree-complex.h): New rule, add it to the rest of the gt-* rules.

2004-11-25  Bob Wilson  <>

	* config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define

2004-11-25  Richard Henderson  <>

	* dwarf2out.c (dwarf2out_stack_adjust): Add after_p argument.  Save
	args_size adjustments for calls even with cfa as stack pointer.
	Search calls for stack adjustments after the insn is issued.
	(dwarf2out_frame_debug): Add after_p argument; pass it on.
	* dwarf2out.h (dwarf2out_frame_debug): Update to match.
	* final.c (final_start_function, final_scan_insn): Likewise.

2004-11-25  Richard Henderson  <>

	PR c++/6764
	* reload1.c (set_initial_eh_label_offset): New.
	(set_initial_label_offsets): Use it.

2004-11-25  Kaz Kojima  <>

	* config/sh/sh.c (sh_output_mi_thunk): Initialize bitmap obstacks
	before calling life_analysis and release them after.

2004-11-25  Kazu Hirata  <>

	* tree-ssa-forwprop.c (substitute_single_use_vars): Remove
	duplicate code.

2004-11-25  Andrew Pinski <>

	* bitmap.h (BITMAP_XMALLOC): Use BITMAP_ALLOC and not

2004-11-25  Andrew Pinski <>

	parts of PR rtl-opt/18463, rtl-opt/17647
	* cse.c (canon_for_address): New function.
	(find_best_addr): Call canon_for_address before getting the
	address's cost when checking if we should take that address.

2004-11-25  Kazu Hirata  <>

	* tree-phinodes.c (add_phi_arg): Take "tree" instead of
	"tree *" as the first argument.
	* tree-flow.h: Update the prototype of add_phi_arg.
	* lambda-code.c, tree-cfg.c, tree-into-ssa.c,
	tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c,
	tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c,
	tree-vectorizer.c: Update all call sites of add_phi_arg.

2004-11-25  Nathan Sidwell  <>

	* bitmap.c (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
	* bitmap.h (bitmap_malloc_alloc, bitmap_malloc_free): Remove.

2004-11-25  Andrew MacLeod  <>

	PR tree-optimization/18587
	* tree-flow-inline.h (mark_call_clobbered, mark_non_addressable): Flag
	call clobbered caches as invalid.
	* tree-ssa-operands.c (ssa_call_clobbered_cache_valid): New.  Flag
	indicating whether the call clobbered operand cache is valid.
	(ssa_ro_call_cache_valid): New.  Flag indicating whether the
	pure/const call operand cache is valid.
	(clobbered_v_may_defs, clobbered_vuses, ro_call_vuses): New.  Cached
	list of operands for cached call virtual operands.
	(clobbered_aliased_loads, clobbered_aliased_stores,
	ro_call_aliased_load): New.  flags caching whether alias bits are
	to be set in call stmt's.
	(fini_ssa_operands): Remove call operand caches if present.
	(get_expr_operands, get_asm_expr_operands,
	get_indirect_ref_operands): Pass stmt annotation to add_stmt_operand.
	(get_call_expr_operands): Add call clobbered variables first.
	(add_stmt_operand): Take stmt annotation rather than stmt as a param.
	(add_call_clobber_ops, add_call_read_ops): Use the call operand cache
	if it is valid, otherise fill the cache.
	* tree-ssa-operands.h (ssa_clobbered_cache_valid): Declare extern.
	* tree-flow.h (struct var_ann_d): Add in_vuse_list and
	in_v_may_def_list bits.
	* tree-ssa-operands.c (cleanup_v_may_defs): New.  Clear the
	in_list bits for the v_may_def elements and empty the operand
	build array
	(finalize_ssa_vuses): Use cleanup_v_may_defs and remove redundant
	VUSES by checking the in_v_may_def_list bit.
	(append_v_may_def, append_vuse): Use the in_list bit rather than
	scanning the array for duplicates.

2004-11-25  Ulrich Weigand  <>

	* config/s390/s390.c (s390_short_displacement): UNSPEC_GOTNTPOFF
	displacements are not short.

2004-11-25  Ulrich Weigand  <>

	* config/s390/s390.c (legitimize_pic_address): Use s390_load_address
	to load addresses.

2004-11-25  Mark Mitchell  <>

	PR c++/18001
	* c-common.h (lvalue_use): Move here from c-ctypeck.c.
	(lvalue_or_else): Declare.
	* c-common.c (lvalue_or_else): Move here from c-typeck.c.
	* c-typeck.c (lvalue_use): Remove.
	(lvalue_or_else): Remove.

	PR c++/18556
	* toplev.c (check_global_declarations): Set DECL_IGNORED_P on
	unemitted variables with static storage duration.

2004-11-25  Gerald Pfeifer  <>

	* tree-cfg.c (tree_verify_flow_info): Do not terminate error()
	message with \n.

2004-11-25  Nathan Sidwell  <>

	* config/rs6000/ (VIshort): New mode macro.
	(altivec_vaddubs, altivec_vadduhs, altivec_vadduws): Replace
	with ...
	(altivec_vaddu<VI_char>s): ... this.
	(altivec_vaddsbs, altivec_vaddshs, altivec_vaddsws): Replace
	with ...
	(altivec_vadds<VI_char>s): ... this.
	(altivec_vsububs, altivec_vsubuhs, altivec_vsubuws): Replace
	with ...
	(altivec_vsubu<VI_char>s): ... this.
	(altivec_vsubsbs, altivec_vsubshs, altivec_vsubsws): Replace
	with ...
	(altivec_vsubs<VI_char>s): ... this.
	(altivec_vavgub, altivec_vavguh, altivec_vavguw): Replace
	with ...
	(altivec_vavgu<VI_char>): ... this.
	(altivec_vavgsb, altivec_vavgsh, altivec_vavgsw): Replace
	with ...
	(altivec_vavgs<VI_char>): ... this.
	(altivec_vmsumubm, altivec_vmsumuhm): Replace with ...
	(altivec_vmsumu<VI_char>m): ... this.
	(altivec_vmsummbm, altivec_vmsummhm): Replace
	with ...
	(altivec_vmsumm<VI_char>m): ... this.
	(altivec_vandc): Remove.
	(*andc<mode>3): Renamed to ...
	(andc<mode>3): ... here. Swap operand 1 and 2 numbering.
	(altivec_vrlb, altivec_vrlh, altivec_vrlw): Replace
	with ...
	(altivec_vrl<VI_char>): ... this.
	(altivec_vslb, altivec_vslh, altivec_vslw): Replace
	with ...
	(altivec_vsl<VI_char>): ... this.
	(altivec_vsrb, altivec_vsrh, altivec_vsrw): Replace
	with ...
	(altivec_vsr<VI_char>): ... this.
	(altivec_vsrab, altivec_vsrah, altivec_vsraw): Replace
	with ...
	(altivec_vsra<VI_char>): ... this.
	(altivec_vsum4sbs, altivec_vsum4shs): Replace with ...
	(altivec_vsum4s<VI_char>s): ... this.
	(altivec_vperm_4si, altivec_vperm_8hi, altivec_vperm_16qi): Replace
	with ...
	(altivec_vperm_<mode>): ... this.
	(altivec_vsel_4sf): Rename to ...
	(altivec_vsel_v4sf): ... here.
	(altivec_vsel_4si, altivec_vsel_8hi, altivec_vsel_16qi): Replace
	with ...
	(altivec_vsel_<mode>): ... this.
	(altivec_vsldoi_4si, altivec_vsldoi_8hi,
	altivec_vsldoi_16qi): Rename to ...
	(altivec_vsldoi_v4si, altivec_vsldoi_v8hi,
	altivec_vsldoi_v16qi): ... here.
	(altivec_vsldoi_4sf): Rename to ...
	(altivec_vsldoi_v4sf): ... here.
	(altivec_predicate_v4si, altivec_predicate_v8hi,
	altivec_predicate_v16qi): Replace with ...
	(altivec_predicate_<mode>): ... this.
	(altivec_lvebx, altivec_lvehx, altivec_lvewx): Replace
	with ...
	(altivec_lve<VI_char>x): ... this.
	(altivec_stvebx, altivec_stvehx, altivec_stvewx): Replace
	with ...
	(altivec_stve<VI_char>x): ... this.
	(absv16qi2, absv8hi2, absv4si2): Replace
	with ...
	(abs<mode>2): ... this.
	(altivec_abss_v16qi, altivec_abss_v8hi, altivec_abss_v4si): Replace
	with ...
	(altivec_abss_<mode>): ... this.
	(vec_realign_load_v16qi, vec_realign_load_v8hi,
	vec_realign_load_v4si): Replace with ...
	(vec_realign_load_<mode>): ... this.
	* config/rs6000/rs6000.c (bdesc_3arg, bdesc_2arg): Update tweaked
	insn names.
	(rs6000_expand_ternop_builtin): Likewise.

2004-11-25  Andrew Haley  <>

	* gcc.c (process_command): Don't supply -v to linker.

2004-11-25  Joseph S. Myers  <>

	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Use %qs
	instead of `%s' in diagnostic.

2004-11-25  Nathan Sidwell  <>

	* basic-block.h (OBSTACK_ALLOC_REG_SET): Adjust.
	(FREE_REG_SET): Adjust.
	* bitmap.c (bitmap_obstack_free): Cope with NULL bitmap.
	* bitmap.h (BITMAP_OBSTACK_ALLOC): Rename to ...
	(BITMAP_ALLOC): ... here.
	(BITMAP_OBSTACK_FREE): Rename to ...
	(BITMAP_FREE): Don't check for NULL bitmap here.
	* tree-ssa-pre.c (value_insert_into_set_bitmap,
	bitmap_set_new): Use new names.

	* bt-load.c (migrate_btr_defs): Remove unneeded NULL check.
	* df.c (df_free): Likewise.
	* ra-build.c (ra_build_free, ra_build_free_all): Likewise.
	* tree-ssa-loop-ivopts.c (set_use_iv_cost): Likewise.

	* basic-block.h (OBSTACK_ALLOC_REG_SET): Rename to ...
	(ALLOC_REG_SET): ... here.
	(FREE_REG_SET): Adjust.
	* bb-reorder.c (fix_crossing_conditional_branches): Adjust.
	* cfglayout.c (cfg_layout_duplicate_bb): Adjust.
	* cfgrtl.c (rtl_split_block, rtl_split_edge,
	safe_insert_insn_on_edge, cfg_layout_split_edge): Adjust.
	* flow.c (update_life_info, calculate_global_regs_live,
	allocate_bb_life_data, init_propagate_block_info): Adjust.
	* global.c (build_insn_chain): Adjust.
	* ifcvt.c (dead_or_predicable): Adjust.
	* loop-iv.c (simplify_using_initial_values): Adjust.
	* recog.c (peephole2_optimize): Adjust.
	* sched-deps.c (init_deps_global): Adjust.

2004-11-25  Ralf Corsepius <>

	* config.gcc (avr-*-rtems*): Fix typo.

2004-11-25  J"orn Rennecke <>

	* sh.c (sh_output_mi_thunk): Do not call regset_release_memory.

2004-11-24  Jeff Law  <>

	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Reduce
	the number of queries to random elements in the ai->written_vars

2004-11-24  Roger Sayle  <>

	* config/i386/i386.c (override_options): Disable x87 fancy math
	intrinsics if -mfpmath= doesn't include 387 (default on x86_64).

2004-11-24  Roger Sayle  <>

	* Tweak test for HAVE_DECL_LDGETNAME to avoid a
	system header conflict on AIX 5.2.
	* configure: Regenerate.

2004-11-24  Kazu Hirata  <>

	* tree-outof-ssa.c (coalesce_abnormal_edges): Use e->dest_idx
	instead of calling phi_arg_from_edge.

	* tree-phinodes.c (remove_phi_args): Replace phi_arg_from_edge
	with e->dest_idx.

2004-11-24  Ben Elliston  <>

	* config/i386/i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
	* config/i386/i386.c (i386_dwarf_output_addr_const): Likewise.
	* config/i386/i386-protos.h (i386_dwarf_output_addr_const):

2004-11-24  Richard Kenner  <>

	* tree-sra.c (sra_walk_modify_expr): Handle RHS first, then LHS.

	* tree-inline.c (copy_body_r): Explicitly copy a constant if the
	type will be remapped.

2004-11-24  Steven Bosscher  <>

	* c-opts.c (c_common_post_options): Don't clear
	* dojump.c (clear_pending_stack_adjust): Remove check on
	flag_inline_functions, it's always true.
	* config/alpha/ (movdi_er_maybe_g): Remove splitter
	that can never trigger.
	* config/c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): Don't look at
	flag_inline_trees, now that flag_inline_functions is never
	* config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Don't set
	flag_inline_functions at optimization levels greater than
	or equal to 3.  This is already done by default.

2004-11-24  Kazu Hirata  <>

	* tree-outof-ssa.c (eliminate_build): Use g->e->dest_idx
	instead to find the PHI argument.  Do not take I as an
	(eliminate_phi): Adjust the call to eliminate_build.  Do not
	take I as an argument.
	(rewrite_trees): Adjust the call to eliminate_phi.

2004-11-24  Richard Sandiford  <>

	* optabs.h (force_expand_binop): Declare.
	* optabs.c (force_expand_binop): Export.
	* stmt.c (shift_return_value): Delete.
	(expand_return): Don't call it.
	* expr.h (shift_return_value): Declare.
	* calls.c (shift_returned_value): Delete in favor of...
	(shift_return_value): ...this new function.  Leave the caller to check
	for non-BLKmode values passed in the msb of a register.  Take said mode
	and a shift direction as argument.  Operate on the hard function value,
	not a pseudo.
	(expand_call): Adjust accordingly.
	* function.c (expand_function_start): If a non-BLKmode return value
	is padded at the last significant end of the return register, use the
	return value's natural mode for the DECL_RESULT, not the mode of the
	padded register.
	(expand_function_end): Shift the same sort of return values left by
	the appropriate amount.

2004-11-24  Matt Austern  <>

	* recog.c (recog_memoized_1): Remove.
	* recog.h (recog_memoized_1): Remove declaration.
	(recog_memoized): Change from macro to inline function.

2004-11-24  Devang Patel  <>

	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add isysroot.
	* config/darwin-c.c (darwin_register_frameworks): Use sysroot.

2004-11-24  Devang Patel  <>

	* gcc.c (process_command): Supply -v to linker.

2004-11-24  David Edelsohn  <>
	    Paolo Bonzini  <>

	* config/rs6000/rs6000.c (rs6000_return_in_memory): Allow Altivec
	vector modes without ALTIVEC_ABI.  Use GCC vector instead of
	synthetic vector.
	(rs6000_pass_by_reference): Split conditional into pieces.  Use
	GCC vector instead of synthetic vector.

2004-11-24  Aldy Hernandez  <>

	* tree.c (recompute_tree_invarant_for_addr_expr): The address of a
	thread-local variable is invariant.

2004-11-24  Richard Kenner  <>

	* tree-pretty-print.c (dump_generic_node, case POINTER_TYPE):
	(print_declaration): Print array dimensions like dump_generic_node.

	* fold-const.c (operand_equal_p): Remove kludge allowing ARG0 and
	ARG1 to be null; instead define OP_SAME and OP_SAME_NULL and use them.

2004-11-24  Nathan Sidwell  <>

	* bitmap.c (INLINE): Do not define.
	(bitmap_elem_to_freelist, bitmap_element_free,
	bitmap_element_allocate, bitmap_clear, bitmap_element_zerop,
	bitmap_element_link, bitmap_find_bit): Use inline keyword/macro.

2004-11-24  Kazu Hirata  <>

	* tree-ssa-dom.c (cprop_into_successor_phis): Remove code to
	find the index of a PHI argument.  Use e->dest_idx instead.
	Replace hint with index.

	* tree-ssa-dom.c (cprop_into_successor_phis): Replace index
	with indx.

2004-11-24  Diego Novillo  <>

	* tree-ssa-alias.c (merge_pointed_to_info): Fix comment
	regarding PT_MALLOC.

2004-11-24  Joseph Myers  <>

	* config/i386/i386.c (optimization_options): Use
	* config/i386/sol2-10.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define.

2004-11-24  Mark Mitchell  <>

	* config/i386/sol2.h (X86_FILE_START_VERSION_DIRECTIVE):
	Define to false.

2004-11-24  Joseph Myers  <>

	Use amd64 instead of 64.

2004-11-24  Mark Mitchell  <>
	    Joseph Myers  <>

	* crtstuff.c (IN_LIBGCC2): Define it.
	* defaults.h (EH_TABLES_CAN_BE_READ_ONLY): New macro.
	* dwarf2out.c (named_section_eh_frame_section): Check
	* except.c (default_exception_section): Likewise.
	* config/i386/sol2.h (EH_TABLES_CAN_BE_READ_ONLY): Define.
	* doc/tm.texi (EH_TABLES_CAN_BE_READ_ONLY): Document.

2004-11-24  Kazu Hirata  <>

	* tree-ssa-pre.c (phi_translate): Use find_edge to find the
	index of a PHI argument.

	* tree-ssa-loop-manip.c (lv_adjust_loop_header_phi): Use
	find_edge to find the index of a PHI argument.

2004-11-24  Steven Bosscher  <>

	* expr.c (expand_expr_real_1): Remove cases for EXIT_BLOCK_EXPR
	* gimplify.c (gimplify_labeled_block_expr): Remove.
	(gimplify_exit_block_expr): Remove.
	(gimplify_expr): Don't call them.
	* tree-inline.c (copy_body_r): Don't handle EXIT_BLOCK_EXPR
	(estimate_num_insns_1): Likewise.
	(walk_tree): Likewise.
	* tree-pretty-print.c (dump_generic_node): Don't handle
	* tree.def (EXIT_BLOCK_EXPR): Moved to java-tree.def.
	* tree.h (LABELED_BLOCK_LABEL): Moved to java-tree.h.

2004-11-24  Steven Bosscher  <>

	* cfgrtl.c (rtl_delete_block): Fix comment.
	* emit-rtl.c (remove_unnecessary_notes): Die if we see BLOCK_BEG
	or BLOCK_END insn notes.
	* jump.c (squeeze_notes): Likewise.
	* haifa-sched.c (reemit_notes): Don't "re-emit" EH_REGION_BEG and
	EH_REGION_END notes, we never have them to begin with.
	* sched-deps.c (sched_analyze_insn): When updating loop notes,
	verify that we have indeed only recorded loop notes.
	(sched_analyze): Die if we see EH_REGION_BEG or EH_REGION_END notes.
	Only record loop notes.

	* cfgexpand.c (tree_expand_cfg): Fix comment.

	* passes.c (rest_of_compilation): Don't do a second call to
	convert_from_eh_region_ranges from here, it's already called
	from cfgexpand.c.
	* except.c (resolve_fixup_regions): Remove.
	(remove_fixup_regions): Remove.
	(convert_from_eh_region_ranges_1): Remove.
	(convert_from_eh_region_ranges): Remove the case where EH is
	not already lowered at the tree level.  We always lower there.

2004-11-24  Paolo Bonzini  <>

	PR c++/16882
	* tree.c (make_vector_type): Move qualifiers to the vector type,
	use the inner type's main variant and build a main variant for
	the vector type if necessary.
	(type_hash_eq): Check a vector type's TYPE_VECTOR_SUBPARTS.

2004-11-24  Eric Botcazou  <>

	* target.h (late_rtl_prologue_epilogue): Remove.
	* target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.
	* passes.c (rest_of_handle_prologue_epilogue): Remove and move
	remaining bits to...
	(rest_of_compilation): Remove call to rest_of_handle_prologue_epilogue.

2004-11-23  Mark Mitchell  <>

	* hwint.h (HOST_LONG_LONG_FORMAT): New macro.  Use it throughout.
	* config/i386/xm-mingw32.h (HOST_LONG_LONG_FORMAT): Define.
	* doc/hostconfig.texi (HOST_LONG_LONG_FORMAT): Document.

2004-11-24  Daniel Jacobowitz  <>

	* config/i386/i386.c (override_options): Move

2004-11-23  Richard Henderson  <>

	* rtl.h (validate_subreg): Declare.
	* emit-rtl.c (validate_subreg): New.
	(gen_rtx_SUBREG): Use it.
	* simplify-rtx.c (simplify_subreg): Likewise.
	(simplify_gen_subreg): Likewise.  Remove duplicate asserts.
	* expr.c (emit_move_insn_1): Tidy complex move code.  Use memory
	fallback whenever gen_realpart/gen_imagpart would not be able to
	create SUBREGs.

2004-11-23  Richard Henderson  <>

	* expmed.c (extract_bit_field): Use simplify_gen_subreg instead of
	hard-coding avoiding calls to gen_rtx_SUBREG.  Split complex return
	modes to CONCAT.

2004-11-23  Diego Novillo  <>

	PR tree-optimization/18618
	* tree-into-ssa.c (DEF_VEC_MALLOC_P(basic_block)): Declare.
	(insert_phi_nodes_for): Change third argument to VEC(basic_block).
	* tree-ssa-dom.c (avail_exprs_stack): Change type to VEC(tree_on_heap).
	Update all users.
	(stmts_to_rescan): Likewise.
	(const_and_copies_stack): Likewise.
	(nonzero_vars_stack): Likewise.
	(vrp_variables_stack): Likewise.

2004-11-23  Richard Henderson  <>

	* cse.c (record_jump_cond_subreg): New.
	(record_jump_cond): Use it instead of gen_lowpart.

2004-11-23  Daniel Jacobowitz  <>
	    Joseph Myers  <>

	* config/sol2-c.c (solaris_register_pragmas): Use
	* config/sol2.h (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Define.
	* c-pragma.c (c_register_pragma): Update call to
	(c_register_pragma_with_expansion): New function.
	* c-pragma.h (c_register_pragma_with_expansion): New prototype.
	* doc/extend.texi (Solaris Pragmas): Mention macro expansion for
	#pragma align.
	* doc/tm.texi (c_register_pragma_with_expansion,

2004-11-23  Richard Henderson  <>

	* combine.c (gen_lowpart_for_combine): Factor out mode of x as well
	as mode sizes into local temporaries.  Unify failure path.

2004-11-23  Richard Henderson  <>

	* emit-rtl.c, rtl.h (subreg_hard_regno): Remove.
	* caller-save.c (mark_set_regs): Use subreg_regno instead.
	* final.c (alter_subreg): Likewise.
	* local-alloc.c (reg_is_born): Likewise.

2004-11-23  Richard Henderson  <>

	* simplify-rtx.c (simplify_subreg): Use subreg_regno_offset directly
	instead of using a SUBREG temporary.

2004-11-23  Kazu Hirata  <>

	* tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
	two checks.

2004-11-23  Zack Weinberg  <>

	* function.h (struct function): Remove calls_longjmp.
	(current_function_calls_longjmp): Delete.
	* tree.h (ECF_LONGJMP): Delete.
	(ECF_LIBCALL_BLOCK): Everybody slide down one.
	* builtins.c (expand_builtin_longjmp): Don't set
	* calls.c (special_function_p): Mark longjmp and siglongjmp
	(emit_call_1, expand_call, emit_library_call_value_1):
	Don't check for ECF_LONGJMP.
	* tree-cfg.c (make_exit_edges, is_ctrl_altering_stmt)
	(need_fake_edge_p): Likewise.

	* config/avr/avr.h, config/ip2k/ip2k.h: Don't define NON_SAVING_SETJMP.
	* system.h: Poison NON_SAVING_SETJMP.
	* function.c (use_register_for_decl)
	* gcse.c (compute_hash_table_work, compute_store_table)
	* postreload-gcse.c (record_opr_changes)
	* reload.c (find_equiv_reg)
	* reload1.c (reload)
	* config/i386/i386.c (ix86_can_use_return_insn_p):
	Remove code conditional on NON_SAVING_SETJMP.
	* doc/tm.texi: Delete documentation of NON_SAVING_SETJMP.

	* config/i386/sysv3.h: Delete file.
	* config/i386/i386.c (ix86_svr3_asm_out_constructor): Delete.

2004-11-23  Dorit Naishlos  <>

	* tree-vectorizer.c (vect_analyze_operations): Don't vectorize if
	the vectorization factor is greater than the iteration count.
	(vect_gen_niters_for_prolog_loop): No need to calculate min if the
	iteration count is known.

	(vect_build_symbol_bound): Removed. Its functionality moved to
	(vect_generate_tmps_on_preheader): Moved content of
	vect_build_symbol_bound here instead of calling it.  Changed some
	variables names.

	(vect_build_loop_niters): We don't expect a new_bb to be generated -
	use gcc_assert.
	(vect_gen_niters_for_prolog_loop): Likewise.
	(vect_gen_niters_for_prolog_loo): Likewise.

	(slpeel_make_loop_iterate_ntimes): Use buildN instead of build.
	(slpeel_add_loop_guard): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_do_peeling_for_alignment): Likewise.

	(vect_get_first_index): Missing space.

2004-11-23  Ulrich Weigand  <>

	* config/s390/ ("*iordi3"): Mark commutative.
	("*iorsi3_zarch", "*iorsi3_esa"): Likewise.

2004-11-23  Kazu Hirata  <>

	* tree-phinode.c (resize_phi_node): Abort when LEN is strictly
	greater than PHI_ARG_CAPACITY.
	(reserve_phi_args_for_new_edge): Initialize the new PHI
	argument to NULL_TREE.  Increment PHI_NUM_ARGS.
	(add_phi_arg): Add a PHI argument to the slot given by
	(remove_phi_arg_num): Do not write to PHI_ARG_EDGE.
	* tree-flow-inline (phi_arg_from_edge): Return E->dest_idx.
	* tree-ssa.c (ssa_redirect_edge): Check for a missing PHI
	argument by looking at PHI_ARG_DEF.
	(verify_phi_args): Check for a missing PHI argument.  Remove
	the check for duplicate PHI arguments.
	* tree.h (PHI_ARG_EDGE): Redefine in terms of EDGE_PRED.
	(phi_arg_d): Remove e.

	* tree-cfg.c (tree_try_redirect_by_replacing_jump): Speed up
	by restricting to the case with two outgoing edges.

2004-11-23  Andreas Krebbel  <>

	* config/s390/s390.c (s390_backchain_string): Removed.
	(s390_return_addr_rtx, s390_back_chain_rtx, s390_frame_info)
	(s390_emit_prologue, s390_va_start, s390_gimplify_va_arg):
	TARGET_KERNEL_BACKCHAIN to reflect the new options.
	* config/s390/s390.h (MASK_BACKCHAIN, MASK_PACKED_STACK): New macros.
	(TARGET_BACKCHAIN): Former triple state option change to a target flag.
	(TARGET_SWITCHES): New switches added.
	(TARGET_OPTIONS): "backchain", "no-backchain" and "kernel-backchain"
	* config/s390/ ("allocate_stack", "restore_stack_block")
	("save_stack_nonlocal", "restore_stack_nonlocal"): Modified to reflect
	the change in target switch semantics.
	* config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Removed.
	* doc/invoke.texi: Added documentation for the new/changed options.

2004-11-23  Uros Bizjak  <>

	PR rtl-optimization/18614
	* simplify-rtx.c (simplify_binary_operation): Do not
	simplify inner elements of constant arguments of

2004-11-23  Eric Botcazou  <>

	* gthr-solaris.h (__gthread_recursive_mutex_init_function): Use
	0 instead of NULL.

2004-11-23  Kazu Hirata  <>

	* tree-phinode.c (make_phi_node): Use a new variable,
	capacity, to receive the return value of ideal_phi_node_len.

2004-11-23  Eric Botcazou  <>

	* gthr-solaris.h (__gthread_recursive_mutex_t): New type.
	(__gthread_key_create): Properly cast -1.
	(__gthread_recursive_mutex_init_function): New function.
	(__gthread_recursive_mutex_lock): Rewrite.
	(__gthread_recursive_mutex_trylock): Likewise.
	(__gthread_recursive_mutex_unlock): Likewise.

2004-11-23  Ralf Corsepius <>

	* config/c4x/t-rtems: New.
	* config.gcc: Reflect having added c4x/t-rtems.

2004-11-23  Dorit Naishlos <>

	PR tree-opt/18403
	PR tree-opt/18505
	* tree-vectorizer.c (vect_create_data_ref_ptr): Use
	lang_hooks.types.type_for_size instead of integer_type_node for the
	type of ptr_update.

2004-11-23  Ralf Corsepius <>

	* config.gcc (h8300-*-rtems*): Use h8300/t-rtems.

2004-11-23  Ralf Corsepius <>

	* config/arm/t-rtems: New.
	* config.gcc: Reflect having added arm/t-rtems.

2004-11-23  Kazu Hirata  <>

	* tree-cfg.c (tree_execute_on_growing_pred): New.
	(tree_cfg_hooks): Add tree_execute_on_growing_pred.
	* tree-flow.h: Add a prototype for
	* tree-phinodes.c (reserve_phi_args_for_new_edge): New.
	(add_phi_arg): Don't resize a PHI array.

2004-11-23  Ralf Corsepius <>

	* config.gcc: Add avr-*-rtems*.
	* config/avr/t-rtems: New.
	* config/avr/rtems.h: New.

2004-11-22  Daniel Berlin  <>

	* df.c (dataflow_set_a_op_b): Remove reslt parameter, since it's
	always the same as op1.  Use bitmap_ior_into and bitmap_and_into.
	Add comment to function.

2004-11-22  John David Anglin  <>

	PR pch/14940
	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __hppa__.

	PR rtl-optimization/14838
	* emit-rtl.c (get_first_nonnote_insn): Don't assume first insn is a
	(get_last_nonnote_insn): Don't assume last insn is a note.

2004-11-22  Roger Sayle  <>

	* fold-const.c (nondestructive_fold_binary_to_constant): Rename
	to fold_binary_to_constant.
	(nondestructive_fold_unary_to_constant): Likewise, rename to
	(fold_relational_hi_lo): Update call to fold_binary_to_constant.
	* tree.h (nondestructive_fold_binary_to_constant): Update prototype.
	(nondestructive_fold_unary_to_constant): Likewise.
	* tree-ssa-ccp.c (ccp_fold): Update calls to fold_unary_to_constant
	and fold_binary_to_constant.
	* tree-ssa-loop-niter.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
	(inverse, number_of_iterations_cond): Replace uses of EXEC_BINARY
	and EXEC_UNARY with calls to fold_*nary_to_constant.
	* tree-ssa-loop-ivopts.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
	(idx_find_step): Replace uses of EXEC_BINARY with calls to

2004-11-22  Nick Clifton  <>

	* sbitmap.c (sbitmap_union_of_preds): Remove redundant
	initialisation of 'e'.

2004-11-22  Roger Sayle  <>

	* config/i386/i386.h (TARGET_USE_FANCY_MATH_387): New macro.
	* config/i386/i386.c (override_options): Set MASK_NO_FANCY_MATH_387
	automatically for targets without TARGET_80387.
	* config/i386/ (sqrtsf2, sqrtsf2_1, sqrtsf2_i387, sqrtdf2,
	sqrtdf2_1, sqrtdf2_i387, *sqrtextendsfdf2, sqrtxf2,
	*sqrtextenddfxf2, *sqrtextendsfxf2, fpremxf4, fmodsf3, fmoddf3,
	fmodxf3, fprem1xf4, dremsf3, dremdf3, dremxf3, *sindf2, *sinsf2,
	*sinextendsfdf2, *sinxf2, *cosdf2, *cossf2, *cosextendsfdf2,
	*cosxf2, sincosdf3, sincossf3, *sincosextendsfdf3, sincosxf3,
	*tandf3_1, tandf2, *tansf3_1, tansf2, *tanxf3_1, tanxf2,
	atan2df3_1, atan2df3, atandf2, atan2sf3_1, atan2sf3, atansf2,
	atan2xf3_1, atan2xf3, atanxf2, asindf2, asinsf2, asinxf2,
	acosdf2, acossf2, acosxf2, fyl2x_xf3, logsf2, logdf2, logxf2,
	log10sf2, log10df2, log10xf2, log2sf2, log2df2, log2xf2,
	fyl2xp1_xf3, log1psf2, log1pdf2, log1pxf2, *fxtractxf3, logbsf2,
	logbdf2, logbxf2, ilogbsi2, *f2xm1xf2, *fscalexf4, expsf2,
	expdf2, expxf2, exp10sf2, exp10df2, exp10xf2, exp2sf2, exp2df2,
	exp2xf2, expm1df2, expm1sf2, expm1xf2, frndintxf2, rintdf2,
	rintsf2, rintxf2, frndintxf2_floor, floordf2, floorsf2,
	floorxf2, frndintxf2_ceil, ceildf2, ceilsf2, ceilxf2,
	frndintxf2_trunc, btruncdf2, btruncsf2, btruncxf2,
	frndintxf2_mask_pm, nearbyintdf2, nearbyintsf2, nearbyintxf2):
	Simplify conditionals using TARGET_USE_FANCY_MATH_387.

2004-11-22  Dale Johannesen  <>

	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Conditionalize
	properly and comment.

2004-11-22  James A. Morrison  <

	* config/sparc/sparc.c: Include insn-codes.h and langhooks.h.
	(sparc_init_builtins): New function.
	(sparc_init_vis_builtins): Create builtin functions for VIS
	(sparc_expand_builtin): Expand builtin functions for VIS instructions.
	(TARGET_INIT_BUILTINS): Define to sparc_init_builtins.
	(TARGET_EXPAND_BUILTIN): Define to sparc_expand_builtin.
	(def_builtin): New macro for creating builtin functions.
	* config/sparc/ (P): New mode macro for pointer types.
	(fpack16_vis, fpackfix_vis, fpack32_vis, fexpand_vis, fpmerge_vis,
	fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
	fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis, pdist_vis,
	faligndata<V64:mode>_vis, alignaddr<P:mode>_vis): New patterns.

2004-11-22  Devang Patel  <>

	* tree-if-conv.c (clean_predicate_lists): Clean all basic blocks.

2004-11-22  Devang Patel  <>

	* tree-if-conv.c (if_convertable_phi_p): Rename to ...
	(if_convertible_phi_p): ... new name.
	(if_convertable_modify_expr_p): Rename to ...
	(if_convertible_modify_expr_p): ... new name.
	(if_convertable_stmt_p): Rename to ...
	(if_convertible_stmt_p): ... new name.
	(if_convertable_bb_p): Rename to ...
	(if_convertible_bb_p): ... new name.
	(if_convertable_loop_p): Rename to ...
	(if_convertible_loop_p): ... new name.

2004-11-22  Eric Botcazou  <>

	PR target/18444
	* (threading): Accept 'posix95'.
	* configure: Regenerate.
	* config.gcc (i[34567]86-*-solaris2*): On Solaris up to 2.6,
	include sol26.h and default to posix95 threads if have_pthread_h.
	(sparc-*-solaris2*): Likewise.
	* gthr.h: Include gthr-posix95.h if _PTHREADS95 is defined.
	* gthr-posix95.h: New file.
	* config/sol26.h: New file.
	* doc/install.texi (--enable-threads): Document 'posix95'.

2004-11-23  Ben Elliston  <>

	* pointer-set.h (pointer_set_contains): Remove.
	* pointer-set.c (pointer_set_contains): Likewise.

2004-11-22  Dale Johannesen  <>

	* calls.c (expand_call): Do not call preserve_temp_slots.

2004-11-22  Kazu Hirata  <>

	* tree-flow.h: Remove the prototype for remove_phi_arg.
	Add a prototype for remove_phi_args.
	* tree-phinodes.c (remove_phi_arg): Remove.
	(remove_phi_args): New.
	* tree-ssa.c (ssa_remove_edge): Call remove_phi_args instead
	of remove_phi_arg.

	* cfg.c (unchecked_make_edge): Call execute_on_growing_pred
	after making an edge.
	(remove_edge): Call execute_on_shrinking_pred before removing
	an edge.
	(redirect_edge_succ): Call execute_on_growing_pred and
	* cfghooks.c (execute_on_growing_pred): New.
	(execute_on_shrinking_pred): Likewise.
	* cfghooks.h (cfg_hooks): Add execute_on_growing_pred and
	Add prototypes for execute_on_growing_pred and
	* cfgrtl.c (rtl_cfg_hooks): Add NULL hooks to
	execute_on_growing_pred and execute_on_shrinking_pred.
	(cfg_layout_rtl_cfg_hook): Likewise.
	* tree-cfg.c (tree_cfg_hooks): Likewise.

	* tree-cfg.c (tree_execute_on_shrinking_pred): New.
	(tree_cfg_hooks): Use it.
	* tree-ssa.c (ssa_remove_edge): Don't call remove_phi_args.
	(ssa_redirect_edge): Don't call remove_phi_arg_num.

	* tree-phinodes.c (remove_phi_arg_num): Make it static.
	* tree-flow.h: Remove the corresponding prototype.

	* tree-ssa.c (ssa_remove_edge): Remove.
	* tree-flow.h: Remove the corresponding prototype.
	* tree-cfg.c: Replace ssa_remove_edge with remove_edge.
	* basic-block.h: Likewise.
	* tree-if-conv.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.

2004-11-23  Ben Elliston  <>

	* doc/cfg.texi (Maintaining the CFG): Use @ftable instead of
	@table to list the BSI methods.  Use individual @findex directives
	instead of one with a comma-separated list of index entries.

2004-11-22  Zdenek Dvorak  <>

	PR tree-optimization/18529
	* fold-const.c (fold_to_nonsharp_ineq_using_bound): New function.
	(simple_operand_p): Use STRIP_NOPS.  Consider SSA names simple.
	(fold): Call fold_to_nonsharp_ineq_using_bound.
	* tree-ssa-loop-niter.c (simplify_replace_tree): New function.
	(number_of_iterations_cond): Fold the expressions before futher
	(tree_simplify_using_condition): Handle case when cond or expr is
	an EQ_EXPR specially.

2004-11-22 Daniel Berlin  <>

	* tree-ssa.c (verify_ssa): SSA_OP_ALL_USES should be
	SSA_OP_ALL_USES | SSA_OP_ALL_KILLS for verification purposes.

2004-11-22  David Edelsohn  <>
	    Fariborz Jahanian  <>

	* config/rs6000/rs6000.c (rs6000_return_in_memory): Test
	(function_arg_boundary): Align 8 to 16 byte vectors like SPE.
	Align 16 byte and larger vectors like Altivec.
	(function_arg_advance): Pass any 16 byte vector like Altivec vector.
	(function_arg): Same.
	(rs6000_pass_by_references): Test TARGET_ALTIVEC_ABI.

2004-11-22  Andrew Pinski  <>

	PR tree-opt/18572
	* tree-sra.c (scalarize_init): Unshare the rhs before gimplifying

2004-11-22  Richard Henderson  <>

	* function.c (assign_parm_setup_block): Revert 11-13 change to
	forcably re-mode a (possibly BLKmode) hard register.

2004-11-22  Eric Botcazou  <>

	* config/sparc/sparc.c (mem_min_alignment): Check MEM_ALIGN.

2004-11-22  David Edelsohn  <>

	* config/rs6000/ Remove delay between dispatch and issue
	associated with dispatch group slots 3 and 4.
	* config/rs6000/ Same.

2004-11-21  Jeff Law  <>

	* cfg.c (cached_make_edge): Use find_edge rather than an inlined
	* cfgbuild.c (make_edges): Likewise.
	* cfghooks.c (can_duplicate_block_p): Likewise.
	* cfgloop.c (loop_latch_edge): Likewise.
	* cfgloopmanip.c (force_single_succ_latches): Likewise.
	* cfgrtl.c (rtl_flow_call_edges_add): Likewise.
	* predict.c (predict_loops, propagate_freq): Likewise.
	* tracer.c (tail_duplicate): Likewise.
	* tree-cfg.c (disband_implicit_edges): Likewise.
	(tree_forwarder_block_p, tree_flow_call_edges_add): Likewise.

2004-11-22  Nick Clifton  <>

	* sbitmap.c (sbitmap_union_of_preds): Remove redundant
	initialisation of 'e'.

2004-11-22  Kazu Hirata  <>

	PR rtl-optimization/18599
	* regrename.c (copyprop_hardreg_forward): Speed up by putting
	BB_VISITED flags on basic blocks as we process them.

2004-11-22  Nathan Sidwell  <>

	PR target/18531
	* config/rs6000/ (VI_char): New mode attribute.
	(addv16qi3, addv8hi3, addv4ai3): Replace with ...
	(add<mode>3): ... this.
	(subv16qi3, subv8hi3, subv4ai3): Replace with ...
	(sub<mode>3): ... this.
	(smaxv16qi3, smaxv8hi3, smaxv4ai3): Replace with ...
	(smax<mode>3): ... this.
	(sminv16qi3, sminv8hi3, sminv4ai3): Replace with ...
	(smin<mode>3): ... this.
	(umaxv16qi3, umaxv8hi3, umaxv4ai3): Replace with ...
	(umax<mode>3): ... this.
	(uminv16qi3, uminv8hi3, uminv4ai3): Replace with ...
	(umin<mode>3): ... this.
	(andv16qi3, andv8hi3, andv4ai3): Replace with ...
	(and<mode>3): ... this.
	(iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
	(ior<mode>3): ... this.
	(xorv16qi3, xorv8hi3, xorv4ai3): Replace with ...
	(xor<mode>3): ... this.
	(andv16qi3, andv8hi3, andv4ai3): Replace with ...
	(and<mode>3): ... this.
	(iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
	(ior<mode>3): ... this.
	(altivec_vnor): Replace with ...
	(altivec_nor<mode>): ... this.
	(one_cmplv16qi2, one_cmplv8hi2, one_complv4ai2): Replace with ...
	(one_cmpl<mode>2): ... this.
	(altivec_vandc): New expander.
	(*andc<mode>3): New insn.
	* config/rs6000/rs6000.c (bdesc_2arg): Adjust for new insn names.

2004-11-22  Dorit Naishlos  <>

	PR tree-opt/18536
	* tree-vectorizer.c (make_loop_iterate_ntimes): Use type of niters when
	creating iv instead of integer_type.
	(vect_build_loop_niters): Remove redundant code.
	(vect_transform_loop_bound): Removed (duplicates functionality of
	(vect_gen_niters_for_prolog_loop): Add documentation. Call
	lang_hooks.types.type_for_size to create a type of the required size.
	Use that type instead of integer_type. Remove redundant code.
	(vect_update_niters_after_peeling): Use type of niters instead of
	(vect_transform_loop): Unify handling of known and unknown loop bound
	cases. Call make_loop_iterate_ntimes instead of

2004-11-22  Andrew Pinski  <>

	PR target/18217
	* config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Move darwin-fallback.c to
	(LIB2ADDEH): Here.

2004-11-22  Dorit Naishlos  <>

	PR tree-opt/18544
	* tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found.

2004-11-22 Kazuhiro Inaoka <>

	* config.gcc: Use t-slibgcc-elf to build on
	* config/m32r/t-linux (SHLIB_MAPFILES): Override to use
	* config/m32r/libgcc-glibc.ver: Add New file.

2004-11-22  Nathan Sidwell  <>

	* bitmap.h (struct bitmap_obstack): New obstack type.
	(struct bitmap_head_def): Replace using_obstack with obstack
	(bitmap_default_obstack): New.
	(bitmap_initialize): Make inline, does not do allocation.
	(bitmap_release_memory): Remove.
	(bitmap_obstack_initialize, bitmap_obstack_release): Declare.
	(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
	bitmap_obstack_free, bitmap_malloc_free): Declare.
	(BITMAP_FREE): Replace with ...
	(BITMAP_XFREE): Adjust.
	* bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
	(bitmap_default_obstack): New.
	(bitmap_elem_to_freelist): Adjust.
	(bitmap_element_allocate): Adjust. Break initialization into ...
	(bitmap_obstack_initialize): ... here.
	(bitmap_release_memory): Replace with ...
	(bitmap_obstack_release): ... this.
	(bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
	bitmap_obstack_free, bitmap_malloc_free): New.
	(bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
	(bitmap_initialize): Move to bitmap.h.
	* gengtype.c (open_base_files): Add obstack.h to ifiles.
	* (BASIC_BLOCK_H, REGS_H): Add obstack.h.
	* basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
	(flow_obstack): Do not declare.
	(reg_obstack): Declare.
	* regs.h: Include obstack.h.
	* tree-optimize.c (tree_rest_of_compilation): Initialize and
	release bitmap obstack here.
	* bb-reorder.c: #include regs, not basic-block.
	(fix_crossing_conditional_branches): Allocate regsets from
	* bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
	* caller-save.c: Include regs.h earlier.
	* cfg.c: Do not include basic-block.h or obstack.h.
	(reg_obstack): Define.
	* cfganal.c: Include obstack.h
	* cfgcleanyp.c: Do not include basic-block.h. Include regs.h
	* cfglayout.c: Do not include obstack.h.
	(flow_obstack): Remove declaration.
	(cfg_layout_duplicate_bb): Use reg_obstack.
	* cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
	* cfgrtl.c (rtl_split_block): Use reg_obstack.
	(force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
	(safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
	(cfg_layout_split_edge): Use reg_obstack.
	* cse.c: Include regs.h earlier.
	* ddg.c: Do not include basic-block.h.
	* dominance.c: Inlude obstack.h.
	* flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
	(calculate_global_regs_live): Likewise.
	(allocate_bb_life_data): Use reg_obstack.
	(init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
	* global.c: Do not include basic-block.h.
	(build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
	* graph.c: Include obstack.h.
	* haifa-sched.c: Do not include basic-block.h.
	* ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
	* local-alloc.c: Do not include basic-block.h.
	* loop-init.c, loop-invariant.c: Include obstack.h.
	* loop-iv.c: Likewise.
	(simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
	* loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
	* modulo-sched.c: Do not include basic-block.h.
	* passes.c (rest_of_handle_final): Do not call
	* ra-debug.c: Include regs.h earlier. Do not include
	* recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
	* regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
	(allocate_reg_info): Do not call MAX_REGNO_REG_SET.
	(regset_release_memory): Remove.
	* resource.c: Do not include basic-block.h.
	* rtlanal.c: Do not include basic-block.h.
	* sbitmap.c: Include obstack.h.
	* sched-deps.c: Do not include basic-block.h.
	(reg_pending_sets_head, reg_pending_clobbers_head,
	reg_pending_uses_head): Remove.
	(init_deps_global): Use OBSTACK_ALLOC_REG_SET.
	* sched-ebb.c: Do not include basic-block.h.
	* sched-rgn.c: Likewise.
	* tree-if-conv.c (get_loop_body_in_if_conv_order): Use
	* tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
	* tree-sra.c (decide_instantiations): Adjust bitmap
	* tree-ssa-dce.c: Include obstack.h.
	* tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
	(value_insert_into_set_bitmap): Remove useless bitmap_clear.
	(bitmap_set_new): Likewise.
	(init_pre): Initialize bitmap obstack.
	(fini_pre): Release bitmap obstack.
	* tree-ssanames.c (ssa_names_to_rewrite): Make static.
	(marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
	(mark_for_rewrite, unmark_for_rewrite): Likewise.
	(marked_ssa_names): Likewise.
	(init_ssanames): Use BITMAP_XMALLOC.
	(fini_ssanames): Use BITMAP_XFREE.
	* web.c: Include obstack.h

2004-11-22  Nick Clifton  <>

	* sbitmap.c (sbitmap_union_of_preds): Set 'e' to the next edge
	predecessor in the first for-loop.

2004-11-21  Stan Shebs  <>

	* config/rs6000/rs6000.c: (rs6000_darwin64_function_arg): Add
	(function_arg): Move darwin test up, sniff mode first for
	efficiency, test for union type.

2004-11-21  Dale Johannesen  <>

	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Define.

2004-11-21  Jeff Law  <>

	* tree-ssa.c (verify_use): Fix comment.
	(verify_phi_args): Check that the number of incoming edges matches
	the number of PHI arguments.  Check that each PHI argument is
	either an SSA_NAME or an invariant.  Coalesce tests for PHIs for
	dead or duplicated edges.  Clear e->aux earlier and avoid separate
	loop to clear e->aux and test for missed edges.
	(verify_ssa): Remove first walk over statements.  Move checking
	of PHI args into verify_phi_args.  Move checking of statements
	with aliased stores and V_MAY_DEFS into the remaining loop over
	the statements.  Register defs by walking through the formal
	SSA_NAME table.

2004-11-21  Roger Sayle  <>

	PR middle-end/18520
	* dojump.c (compare_from_rtx): Clarify mode argument in function
	description.  Correct order of mode/cmp_mode arguments in call to
	simplify_relational_operation.  Check "tem" for COMPARISON_P.

2004-11-21  Paolo Bonzini  <>
	    David Edelsohn  <>

	PR target/17836
	* config/rs6000/rs6000.c (rs6000_return_in_memory): Return
	synthetic vectors in memory.
	(function_arg_boundary): Align large synthetic vectors.
	(rs6000_pass_by_reference): Pass synthetic vectors in memory.

2004-11-21  Jeff Law  <>

	* cfg.c (update_bb_profile_for_threading): Do not rescale the
	successor probabilities if they are not going to change.  Pull
	division out of loop if we do need to rescale successor probabilities.

	* tree-ssa-threadupdate.c (redirection_data_hash): Use the
	index of the destination block for the hash value rather than
	hashing a pointer.

2004-11-20  Joseph S. Myers  <>

	* c-typeck.c (build_array_ref): Don't check for index == 0.  Make
	checks for neither argument being an array or pointer (swapping
	the arguments if necessary), the array argument being a pointer to
	or array of functions and for -Wchar-subscripts warnings upfront.

2004-11-20  Jeff Law  <>

	* regrename.c (copyprop_hardreg_forward): Only search for a
	previously processed block if the current block only has one

2004-11-20  Kazu Hirata  <>

	* tree-ssa-threadupdate.c, tree-vectorizer.c: Fix comment
	* config/arm/arm.c: Follow spelling conventions.

2004-11-20  Richard Earnshaw  <>

	* arm.c (arm_override_options): Use arm_ld_sched rather than testing
	a bit in tune_flags.
	(const_double_needs_minipool): Likewise.  Split most of the code out
	into ...
	(arm_const_double_inline_cost): ... new function here.
	* arm-protos.h (arm_const_double_inline_cost): Add prototype.
	* arm.h (EXTRA_CONSTRAINT_STR_ARM): Add D[abc] constraints for double-
	word constants of length 2, 3 and 4 insns respectively.
	(CONSTRAINT_LEN): The 'D' prefix is a 2-letter constraint.
	* (arm_movdi, movdf_soft_insn): Add alternatives for D[abc]
	constraints.  Set insn lenghts accordingly.

2004-11-19  Jeff Law  <>

	* tree-ssa-threadupdate.c: Replace REDIRECTION_DATA varray with
	a hash table.  Extensive modifications throughout to support
	that change.
	(struct el): New.
	(struct local_info): New.
	(struct redirection_data): Add new INCOMING_EDGES and DO_NOT_DUPLICATE
	(redirection_data): Now a hashtable.
	(redirection_data_hash, redirection_data_eq): New.
	(lookup_redirection_data, create_duplicates): New.
	(create_edge_and_update_destionation_phis): New.
	(fixup_template_block, redirect_edges): New.
	(thread_block): Use hash table traversals instead of loops over
	varray entries or incoming edge vectors.

2004-11-19  Kazu Hirata  <>

	* basic-block.h (edge_def): Add dest_idx.
	* cfg.c (unchecked_make_edge): Initialize dest_idx.
	(remove_edge): Simplify the disconnection of an edge from its
	(redirect_edge_succ): Likewise.
	* cfghooks.c (verify_flow_info): Check the consistency of
	dest_idx for each edge.

2004-11-19  Aldy Hernandez  <>

	* simplify-rtx.c (simplify_ternary_operation): Use

2004-11-19  Kazu Hirata  <>

	* tree-cfg.c (reinstall_phi_args): New.
	(tree_split_edge): Use it after redirecting an edge.  Don't
	modify PHI_ARG_EDGE.

2004-11-19  Andreas Tobler  <>

	* tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
	if checking is enabled.

2004-11-19  Joseph S. Myers  <>

	* c-decl.c (push_scope): Remove "\n" from end of diagnostic for
	too many nested scopes.

2004-11-19  Dorit Naishlos  <>

	PR tree-opt/18181
	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Peeling scheme
	changed to suppoer uses-after-loop and to void creating flow paths
	that shouldn't exist.
	(slpeel_update_phi_nodes_for_guard): Takes additional two arguments.
	Modified to fit the new peeling scheme. Avoid quadratic behavior.
	(slpeel_add_loop_guard): Takes additional argument.
	(slpeel_verify_cfg_after_peeling): New function.
	(vect_update_ivs_after_vectorizer): Takes additional argument. Updated
	documentation. Use 'exit-bb' instead of creating 'new-bb'.
	(rename_variables_in_bb): Don't update phis for BBs out of loop, to fit
	the new peeling scheme.
	(copy_phi_nodes): Function removed. Its functionality moved to
	(slpeel_update_phis_for_duplicate_loop): Functionality of copy_phi_nodes
	moved here. Added documentation. Modified to fit the new peeling scheme.
	(slpeel_make_loop_iterate_ntimes): Setting loop->single_exit not not
	needed - done in slpeel_tree_peel_loop_to_edge.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Debug printouts compacted.
	(vect_do_peeling_for_loop_bound): Add documentation. Call
	slpeel_verify_cfg_after_peeling. Call vect_update_ivs_after_vectorizer
	with additional argument.
	(vect_do_peeling_for_alignment): Call slpeel_verify_cfg_after_peeling.

	(vect_finish_stmt_generation): Avoid 80 column oveflow.

2004-11-19  Dorit Naishlos  <>

	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
	arguments removed.
	(slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
	without last two arguments. Update single_exit of loops.
	(vect_update_niters_after_peeling): Removed. Its functionality was
	moved to vect_do_peeling_for_alignment.
	(vect_do_peeling_for_loop_bound): New name for function previously
	called vect_transform_for_unknown_loop_bound.
	(vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
	instead of code that duplicates the same functionality.
	(vect_do_peeling_for_alignment): Functionality of
	vect_update_niters_after_peeling moved here.
	(vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
	previously named vect_transform_for_unknown_loop_bound - for both known
	and unknown loop bound cases.

2004-11-19  Dorit Naishlos  <>

	* tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
	previously called verify_loop_for_duplication. All conditions compacted
	into one compound condition. Removed debug dumps.
	(vect_analyze_loop_with_symbolic_num_of_iters): Removed. Some of the
	functionality moved to vect_can_advance_ivs_p, and some to
	(vect_can_advance_ivs_p): New function. Contains functionality that was
	taken out of vect_analyze_loop_with_symbolic_num_of_iters.
	(slpeel_tree_peel_loop_to_edge): Call slpeel_can_duplicate_loop_p.
	(vect_analyze_operations): Call vect_can_advance_ivs_p and
	(vect_get_loop_niters): Added documentation.
	(vect_analyze_loop_form): Check the loop entry always - not only in case
	of unknown loop bound. Create preheader and exit bb if necessary. Apply
	a check that used to take place in
	(vectorize_loops): Call verify_loop_closed_ssa under ENABLE_CHECKING.
	Remove redundant call to rewrite_into_loop_closed_ssa.
	(vect_compute_data_refs_alignment): Removed obsolete comment.

2004-11-19  Dorit Naishlos  <>

	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for
	function previously called tree_duplicate_loop_to_edge.
	(slpeel_tree_duplicate_loop_to_edge_cfg): New name for function
	previously called tree_duplicate_loop_to_edge_cfg.
	(slpeel_update_phis_for_duplicate_loop): Prefix 'slpeel' added to
	function name.
	(slpeel_update_phi_nodes_for_guard): Likewise.
	(slpeel_make_loop_iterate_ntimes): Likewise.
	(slpeel_add_loop_guard): Likewise.
	(allocate_new_names, free_new_names): Function declaration moved to top
	of file.
	(rename_use_op, rename_def_op): Likewise.
	(rename_variables_in_bb, rename_variables_in_loop): Likewise.
	(vect_generate_tmps_on_preheader): Function declaration moved.
	(vect_transform_for_unknown_loop_bound): Added missing function

2004-11-19  Andrew Pinski  <>

	PR tree-opt/18507
	* tree-flow.h (tree_on_heap): Typedef because there is already a VEC(tree).
	Define a VEC(tree_on_heap) for head.
	(register_new_def): Change second argument to be a VEC(tree_on_heap).
	* tree-ssa-dom.c (block_defs_stack): Change to be a VEC(tree_on_heap).
	(tree_ssa_dominator_optimize): Initialize block_defs_stack with
	the VEC(tree_on_heap) function.  Also free it before returning.
	(dom_opt_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
	for block_defs_stack.
	(restore_currdefs_to_original_value): Use VEC_length instead of
	(dom_opt_finalize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
	for block_defs_stack.
	* tree-into-ssa.c (block_defs_stack): Change to be a VEC(tree_on_heap).
	(rewrite_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
	for block_defs_stack.
	(ssa_register_new_def): Likewise.
	(ssa_rewrite_initialize_block): Likewise.
	(rewrite_finalize_block): Use VEC_length instead of
	(ssa_rewrite_finalize_block): Likewise.
	(register_new_def): Change second argument to be a VEC(tree_on_heap).
	Use VEC_safe_push instead of VARRAY_PUSH_TREE.
	(rewrite_blocks): Initialize block_defs_stack with
	the VEC(tree_on_heap) function.  Also free it before returning.
	(rewrite_ssa_into_ssa): Likewise.

2004-11-19  Fariborz Jahanian <>

	* config/darwin.c (machopic_data_defined_p): return 1 for

2004-11-19  Jeff Law  <>

	* tree-ssa.c (verify_ssa): Remove redundant checking of PHI

2004-11-19  Paul Brook  <>

	PR target/17735
	* varasm.c (default_assemble_integer): Allow pointer-sized values.
	Expand comment.

2004-11-19  Nick Clifton  <>

	* config/stormy16/stormy16.c (combine_bnp): Add code to handle
	zero_extension and lshiftrt insns.
	Replace uses of XEXP(...) with either SET_DEST() or SET_SRC()
	where appropriate.
	* config/ (bclrx3, bsetx3): New patterns
	to handle bp and bn insn patterns with a zero_extend rtx
	inside them.

2004-11-19  Ian Lance Taylor  <>

	* config/arm/ (generic_sched): Make const.

2004-11-19  Kazu Hirata  <>

	* emit-rtl.c (classify_insn): Make it static.
	* rtl.h: Remove the corresponding prototype.

	* integrate.c (has_func_hard_reg_initial_val,
	get_func_hard_reg_initial_val): Make them static.
	* integrate.h: Remove the corresponding prototypes.

2004-11-19  Ben Elliston  <>

	* dwarf2asm.h (dw2_asm_output_pcel): Stub out with #if 0.
	(dw2_asm_output_delta_sleb128): Likewise.
	* dwarf2asm.c (dw2_asm_output_pcrel): Likewise.
	(dw2_asm_output_delta_sleb128): Likewise.

2004-11-19  Adam Nemet  <>

	* tree-ssa-alias.c: Fix comment.

2004-11-19  Kazu Hirata  <>

	* tree-outof-ssa.c: Fix a comment typo.

2004-11-19  Ben Elliston  <>

	* predict.h (predict_insn): Remove extern declaration.
	* predict.c (predict_insn): Make static.

2004-11-19  Alan Modra  <>

	* config/rs6000/rs6000.c (function_arg): Don't return BLKmode regs.

2004-11-18  Nicolas Pitre <>

	* config/arm/arm.c (const_double_needs_minipool): New function to
	determine if a CONST_DOUBLE should be pushed to the minipool.
	(note_invalid_constants): Use it.

2004-11-18  Paul Brook  <>

	* config/arm/arm.c (target_float_switch): New variable..
	(arm_override_options): Use TARGET_DEFAULT_FLOAT_ABI and
	* config/arm/arm.h (target_float_switch): Declare.
	(TARGET_SWITCHES): Remove hard-float and soft-float.
	(TARGET_OPTIONS): Add hard-float and soft-float.
	* config/arm/coff.h (TARGET_DEFAULT_FLOAT_ABI): Define
	* config/arm/elf.h: Don't use ARM_FLAG_SOFT_FLOAT.
	* config/arm/netbsd-elf.h: Ditto.
	* config/arm/netbsd.h: Ditto.
	* config/arm/pe.h: Ditto.
	* config/arm/unknown-elf.h: Ditto.
	* config/arm/wince-pe.h: Ditto.
	* config/arm/linux-elf.h (TARGET_DEFAULT_FLOAT_ABI): Define.
	* config/arm/semi.h (TARGET_DEFAULT_FLOAT_ABI): Define.
	* config/arm/semiaof.h (TARGET_DEFAULT_FLOAT_ABI): Define.

2004-11-18  Nathan Sidwell  <>

	* config/rs6000/ (VI, VF, V): New mode macros.
	(altivec_lvx_4si, altivec_lvx_8hi, altivec_lvx_16qi,
	altivec_lvx_4sf): Rename and replace with ...
	(altivec_lvx_<mode>): ... mode macro version.
	(altivec_stvx_4si, altivec_stvx_8hi, altivec_stvx_16qi,
	altivec_stvx_4sf): Rename and replace with ...
	(altivec_stvx_<mode>): ... mode macro version.
	(movv4si, movv8hi, movv16qi, movv4sf}): Replace with ...
	(mov<mode>): ... mode macro version.
	(*movv4si_internal, *movv8hi_internal1, *movv16qi_internal1,
	*movv4sf_internal1): Replace with ...
	(*mov<mode>_internal): ... mode macro version.
	(get_vrsave_internal, *set_vrsave_internal, *save_world,
	*restore_world): Unquote output statements.
	* config/rs6000/rs6000.c (altivec_expand_ld_builtin,
	altivec_expand_st_builtin): Adjust insn names.

2004-11-18  Aldy Hernandez  <>

	* config/rs6000/rs6000.c (rs6000_complex_function_value): Revert
	previous change.
	(rs6000_override_options): Likewise.
	(spe_build_register_parallel): Handle complex doubles on e500v2.
	(rs6000_spe_function_arg): Likewise.
	(function_arg): Likewise.
	(rs6000_function_value): Likewise.
	(rs6000_libcall_value): Likewise.

2004-11-18  Andrew Pinski  <>

	* ifcvt.c (find_if_block): Move the check for the number of edges
	above the loops checking for complex edges.
	Remove the counting of edges as we use EDGE_COUNT now.

2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>

	* config/m32r/linux.h (TARGET_ASM_FILE_END): Set
	TARGET_ASM_FILE_END to file_end_indicate_exec_stack.

2004-11-18  Andreas Schwab  <>

	* config/i386/ (define_peephole2): Revert last change.

2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>

	* config/m32r/linux.h (TARGET_ASM_FILE_END): Set
	TARGET_ASM_FILE_END to file_end_indicate_exec_stack.

2004-11-18  Diego Novillo  <>

	* tree-ssa-propagate.c (ssa_prop_init): Use FOR_ALL_BB instead

2004-11-18  Jon Grimm <>

	* (macro_list): Depend on s-macro_list.
	(s-macro_list): New target.

2004-11-18  Nathan Sidwell  <>

	PR target/17107
	* fold-const.c (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
	(fold_range_test): Adjust.
	(fold_truthop): Use it.
	* config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...

2004-11-18  Uros Bizjak  <>

	* configure/i386/ (*fix_trunch_1): Add "&& 1" to
	insn split constraint.
	(define_peephole2): Remove unneeded "&& 1" from peephole2

2004-11-18  Ben Elliston  <>

	* doc/cfg.texi (Maintaining the CFG): Remove duplicated @item
	element for bsi_prev; use @findex instead.

2004-11-18  Ben Elliston  <>

	* opts.h (add_input_filename): Remove extern declaration.
	* opts.c (add_input_filename): Make static.

2004-11-17  Mark Mitchell  <>

	* config/i386/i386.c (i386_solaris_elf_named_section): Mark with

2004-11-17  Zack Weinberg  <>

	* defaults.h, config/darwin.h: Don't define TARGET_SUPPORTS_HIDDEN.
	* system.h: Poison it.
	* doc/tm.texi: Delete its documentation.

2004-11-18  Daniel Jacobowitz  <>
	    Mark Mitchell  <>

	* config/i386/sol2-10.h, config/i386/t-sol2-10: New files.
	* config/i386/i386.c (i386_solaris_elf_named_section): New
	* config.gcc (i[34567]86-*-solaris2*): Handle Solaris 2.10.
	* config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Handle
	(ASM_QUAD): Don't undefine for biarch targets.
	* config/i386/t-sol2: Introduce multilib support.

2004-11-18  Ben Elliston  <>

	* cgraphunit.c: Replace "it's" with "its" and fix a typo.

2004-11-18  Ben Elliston  <>

	* cgraph.h: Replace "it's" with "its" throughout.

2004-11-18  Ben Elliston  <>

	* doc/rtl.texi (Flags): Grammar fix.

2004-11-17  Kazu Hirata  <>

	* expmed.c (alg_code): Add alg_unknown.
	(alg_hash_entry): New.
	(alg_hash): Likewise.
	(synth_mult): Cache the result into alg_hash.

2004-11-17  Zack Weinberg  <>

	* config/rs6000/t-darwin: Augment SHLIB_MAPFILES with

2004-11-17  Kazu Hirata  <>

	* cfgrtl.c (rtl_verify_flow_info): Don't use INSN_P when
	checking if an unconditional return is followed by a barrier.

	* jump.c (condjump_p): Remove unreachable code.

	* basic-block.h, c-common.h, df.h, expr.h, output.h, rtl.h,
	tree-chrec.h, tree-flow.h, tree-scalar-evolution.h,
	tree-ssa-live.h, tree.h: Remove unused prototypes.

2004-11-17  Jeff Law  <>

	* tree-cfg.c (edge_to_cases): Renamed from edge_to_case_leader.
	(edge_to_cases_elt): Renamed from edge_to_case_leader.
	(edge_to_cases_hash): Renamed from edge_to_case_leader_hash.
	(edge_to_cases_eq): Renamed from edge_to_case_leader_eq.
	(edge_to_cases_cleanup, recording_case_labels_p): New functions.
	(get_cases_for_edge): New function.
	(start_recording_case_labels, end_recording_case_labels): Similarly.
	(record_switch_edge): Don't muck with the CASE_LABEL.  Instead
	chain equivalent CASE_LABEL_EXPRs together.
	(get_case_leader_for_edge, get_case_leader_for_edge_hash): Kill.
	(make_switch_expr_edges): Do not record edge/cases here.
	(cleanup_tree_cfg): Record cases around the call to thread_jumps.
	(split_critical_edges): Record cases around the edge splitting code.
	(cleanup_dead_labels): Use CASE_LABEL again.
	(tree_redirect_edge_and_branch): If we have a mapping from edge
	to cases, use it to handle redirections.  Else do it the slow way.
	* tree.h (CASE_LEADER_OR_LABEL): Kill.
	(CASE_LABEL): Revert to just looking at the tree's second operand.
	* tree.c (get_case_label): Kill.

2004-11-17  Diego Novillo  <>

	PR tree-optimization/18307
	* tree-ssa-alias.c (merge_pointed_to_info): ICE if 'dest' and
	'orig' are the same node.
	(collect_points_to_info_r): Do not call merge_pointed_to_info
	when the PHI argument is identical to the LHS.

2004-11-17  Steven Bosscher  <>

	* tree-ssa-propagate.c (cfg_blocks_add): Assert we're not trying
	to insert the exit or entry block.
	(ssa_prop_init): Use add_control_edge to seed the algorithm.

2004-11-16  Zack Weinberg  <>

	* mkmap-flat.awk, mkmap-symver.awk: If the last version
	assigned to a symbol was '%exclude', do not emit it anywhere.
	If leading_underscore is true, prefix all symbols from the
	version scripts with a leading underscore before comparing
	them with nm output or emitting them.  Remove support for dot
	* config/t-slibgcc-darwin (SHLIB_LINK): Use mkmap-flat.awk.
	(SHLIB_MAPFILES): Use libgcc-std.ver.
	(SHLIB_MKMAP_OPTS): Enable leading-underscore mode.
	(SHLIB_LINK): Add -Wl,-exported_symbols_list,$(SHLIB_MAP).
	* config/sh/t-linux: Use the normal libgcc-std.ver, plus
	libgcc-excl.ver and libgcc-glibc.ver.

	* config/sh/libgcc-excl.ver: New file.
	* config/sh/libgcc-std.ver, libgcc-darwin.ver: Delete.

2004-11-16  Daniel Berlin  <>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Swap
	the test when the edge has the opposite meaning, not when
	the first argument is invariant.

2004-11-16  Aldy Hernandez  <>

	* config/rs6000/rs6000.c (rs6000_override_options): Split e500v2
	(rs6000_complex_function_value): Handle e500 v2 variant.

2004-11-16  Daniel Berlin  <>

	Fix PR tree-optimization/18519

	* tree-optimize (execute_todo): Add case for TODO_cleanup_cfg.
	* tree-pass.h: Add TODO_cleanup_cfg.
	* tree-ssa-ccp.c (pass_ccp): Use TODO_cleanup_cfg.
	(ccp_finalize): Remove call to cleanup_cfg.
	* tree-ssa-dce.c (pass_dce): Use TODO_cleanup_cfg and TODO_dump_func.
	(pass_cd_dce): Ditto.
	(perform_tree_ssa_dce): Remove call to cleanup_cfg,
	* tree-ssa-loop-ch.c (copy_loop_headers): Remove call
	to cleanup_cfg.
	(pass_ch): Add TODO_cleanup_cfg.
	* tree-ssa-loop.c (tree_ssa_loop_done): Remove call to
	(pass_loop_done): Add TODO_cleanup_cfg.
	* tree-ssa-phiopt.c (pass_phiopt): Ditto.
	(tree_ssa_phiopt): Remove call to cleanup_cfg.

2004-11-16  Devang Patel  <>

	* optabs.c (vector_compare_rtx): Fix COMPARISON_CLASS_P use.

2004-11-16  Kazu Hirata  <>

	* expmed.c, ra-colorize.c: Fix comment typos.

	* doc/tm.texi: Fix typos.

2004-11-16  Daniel Jacobowitz  <>
	    Mark Mitchell  <>

	PR target/6123
	* config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __PIC__ and
	__pic__ if PIC.

2004-11-16  Ulrich Weigand  <>

	* regmove.c (regmove_optimize): Use lowpart_subreg instead of
	gen_rtx_SUBREG with incorrect offset to compute SRC_SUBREG.

2004-11-16  Devang Patel  <>

	* tree-if-conv.c (clean_predicate_lists): Update gcc_assert check.

2004-11-16  Eric Christopher  <>

	* config/mips/mips.c: Use rtl _P predicates.
	* config/mips/mips.h: Ditto.
	* config/mips/ Ditto.

2004-11-16  Fariborz Jahanian <>

	* config/rs6000/ (altivec_vandc): Canonicalize
	the pattern.

2004-11-16  Andreas Krebbel  <>

	* config/s390/s390.c (s390_cc_modes_compatible): New function.
	(TARGET_CC_MODES_COMPATIBLE): Target macro defined.

2004-11-16  Kaz Kojima  <>

	PR target/18447
	* config/sh/sh.c (prepare_move_operands): Emit blockage insns
	before and after the insns for getting GOT address in non-PIC
	TLS_MODEL_INITIAL_EXEC tls sequence when the first scheduling
	is enabled.

2004-11-16  Andreas Krebbel  <>

	* cse.c (struct change_cc_mode_args): New structure.
	(cse_change_cc_mode_insn): New function.
	(cse_change_cc_mode): Use validate_change to perfom changes.
	(cse_change_cc_mode_insns, cse_condition_code_reg):
	Call cse_change_cc_mode_insn.

2004-11-16  Steven Bosscher  <>

	* stack.h: Remove.

2004-11-16  Steven Bosscher  <>

	* config/i386/i386.c (x86_schedule): Fix typo, m_K6 intead of m_K8.

2004-11-15  Dale Johannesen  <>

	* tree-flow.h (add_referenced_temp_var): Remove name from prototype.

2004-11-15  Dale Johannesen  <>

	* profile.c (compute_branch_probabilities): Prevent
	crash with EH in RTL-based profiling.

2004-11-16  Kazu Hirata  <>

	* tree-cfg.c (verify_expr): Replace TREE_OPERAND with
	* tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
	* tree-ssa-dom.c (thread_across_edge): Likewise.
	* tree-vectorizer.c (vect_transform_loop_bound): Replace

	* tree-cfg.c (bsi_commit_edge_inserts): Remove an argument.
	(tree_flow_call_edges_add): Update the call to
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
	* profile.c (branch_prob): Likewise.
	* tree-mudflap.c (mf_decl_cache_locals): Likewise.
	* tree-sra.c (scalarize_function): Likewise.
	* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
	* tree-ssa-pre.c (fini_pre): Likewise.
	* tree-flow.h: Update the prototype for

2004-11-15  Eric Christopher  <>

	* sched-deps.c (set_sched_group_p): Delete.
	(delete_all_dependencies): New function.
	(fixup_sched_groups): Use. New function.
	(sched_analyze_insn): Use.

2004-11-15  Joseph S. Myers  <>

	* c-common.c (binary_op_error): Don't allow LROTATE_EXPR,
	RROTATE_EXPR or unknown code.
	* c-typeck.c (build_binary_op): Don't allow RROTATE_EXPR,
	or unknown code.

2004-11-15  Joseph S. Myers  <>

	PR c/18498
	* c-decl.c (grokdeclarator): Call check_bitfield_type_and_width
	after processing the declarator.

2004-11-15  Aldy Hernandez  <>

	* config/rs6000/ ("altivec_vsplth"): Rewrite with
	(altivec_vspltb): Same.
	(altivec_vspltw): Same.
	(altivec_vspltisb): Same.
	(altivec_vspltish): Same.
	(altivec_vspltisw): Same.
	(altivec_vspltisw_v4sf): Same.
	(define_constants): Remove UNSPEC_VSPLTISB, UNSPEC_VSPLTISW,
	Move "End of vector xor's" comment to the right place.

2004-11-15  Steve Ellcey  <>

	* config/ia64/ (*movtf_internal): Use destination_operand
	instead of nonimmediate_operand.

2004-11-15  Mark Mitchell <>

	* config/i386/sol2.h (ASM_OUTPUT_CALL): Use print_operand.
	* config/sparc/sol2.h (ASM_OUTPUT_CALL): Likewise.
	* config/sol2.c (solaris_output_init_fini): Update calls to
	ASM_OUTPUT_CALL.  Include "rtl.h".

2004-11-15  Mark Mitchell <>

	* config/sol2-c.c (cmn_err_char_table): Add "p".

2004-11-15  Mark Mitchell <>

	* config/sparc/sol2.h (SUPPORTS_INIT_PRIORITY): Remove.
	* config/sol2.h (SUPPORTS_INIT_PRIORITY): Define here.

2004-11-15  Mark Mitchell <>

	* config/t-slibgcc-sld (SHLIB_LINK): Make symlinks entirely
	within the multilib directory.

2004-11-15  Nick Clifton  <>

	* config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Add
	builtin assert of cpu=xstormy16.

2004-11-15  Nathan Sidwell  <>

	* tree-ssa-pre.c (bitmap_print_value_set): Fix uninitialized

2004-11-14  Richard Henderson  <>

	PR 18480
	* calls.c (struct arg_data): Add parallel_value.
	(precompute_register_parameters): Set it.
	(load_register_parameters): Use it.
	(store_one_arg): Also set it here.

2004-11-14  Zdenek Dvorak  <>

	PR tree-optimization/18431
	* fold-const.c (associate_trees): Do not produce x + 0.
	(fold_widened_comparison, fold_sign_changed_comparison): New functions.
	(fold): Use them.
	* tree-ssa-loop-niter.c (upper_bound_in_type, lower_bound_in_type):
	Moved ...
	* tree.c (upper_bound_in_type, lower_bound_in_type): Here.
	* tree.h (upper_bound_in_type, lower_bound_in_type): Declare.

2004-11-14  Eric Botcazou <>

	* doc/rtl.texi (SUBREG): Adjust BYTENUM value in example.

2004-11-14  Kazu Hirata  <>

	* cfgrtl.c, global.c, tree-ssa-copy.c, tree-ssa-loop-ivopts.c,
	value-prof.c: Fix comment typos.

2004-11-14  Stan Shebs  <>

	Basic ABI changes for passing structs by value in 64-bit Darwin.
	* config/rs6000/rs6000.c (rs6000_darwin64_abi): New flag.
	(rs6000_override_options): Set it for 64-bit Darwin.
	(rs6000_parse_abi_options): Add testing options to change it.
	(rs6000_return_in_memory): Test whether the type is one
	that can be passed in registers.
	(darwin64_function_arg_advance): New.
	(function_arg_advance): Call it, plus add recursion depth
	argument and test when counting off arguments.
	(rs6000_darwin64_function_arg): New.
	(function_arg): Call it.
	(setup_incoming_varargs): Add argument to function_arg_advance.
	(rs6000_darwin64_function_value): New.
	(rs6000_function_value): Call it.
	* config/rs6000/rs6000.h (FUNCTION_ARG_ADVANCE): Pass depth arg.
	* config/rs6000/rs6000-protos.h: Update decl of

2004-11-14  Andrew Pinski  <>

	PR c/17279
	* c-common.c (c_common_nodes_and_builtins): Ask the back-end if we
	support TImode before adding __int128_t and __uint128_t types.

2004-11-14  Dorit Naishlos  <>

	PR tree-opt/18400
	* tree-vectorizer.c (make_loop_iterate_ntimes): Set loop->nb_iterations.
	(vect_transform_loop_bound): Set loop->nb_iterations.

2004-11-14  Dorit Naishlos  <>
	    Andrew Pinski  <>

	PR tree-opt/18425
	* tree-vectorize.c (vect_build_loop_niters): Do not insert
	NULL into the instruction stream. Initialize new_bb to NULL.
	(vect_update_ivs_after_vectorizer): Likewise.
	(vect_gen_niters_for_prolog_loop): Likewise.

2004-11-14  Zdenek Dvorak  <>

	PR tree-optimization/18431
	* tree-flow.h (stmt_references_memory_p): Declare.
	* tree-ssa-loop-im.c (stmt_cost): Use stmt_references_memory_p.
	* tree-ssa.c (stmt_references_memory_p): New function.

2004-11-14  Andreas Schwab  <>

	* (lambda-code.o, tree-loop-linear.o): Depend on

2004-11-14  Kazu Hirata  <>

	* c-common.c (walk_stmt_tree): Remove.
	* c-common.h: Remove the corresponding prototype.

	* emit-rtl.c (push_to_full_sequence): Remove.
	* rtl.h: Remove the corresponding prototype.

	* cselib.c, expr.c: Fix comment typos.

2004-11-13  Richard Henderson  <>

	* calls.c (precompute_register_parameters): Force all PARALLELs
	into pseudo registers.
	(load_register_parameters): Copy PARALLELs into hard registers.
	* function.c (assign_parm_setup_block): Copy PARALLELS into
	pseudo registers.  Do emit_group_store in conversion_insns.
	* expr.c (emit_group_load_1): Rename from emit_group_load, take
	tmps as an argument.  Move final copy loop ...
	(emit_group_load): ... here.  New function.
	(emit_group_load_into_temps, emit_group_move_into_temps): New.
	* expr.h: Declare them.

2004-11-14  Kazu Hirata  <>

	* tree-cfg.c, tree-if-conv.c, tree-ssa-loop-ivopts.c,
	tree-ssa-loop-manip.c, tree-vectorizer.c: Replace TREE_CHAIN
	with PHI_CHAIN where appropriate.

2004-11-13  Dale Johannesen  <>

	* tree-flow.h (bsi_commit_one_edge_insert): Remove name from prototype.
	(tree_block_label): Ditto.
	(flush_pending_stmts): Ditto.
	(insert_edge_copies): Ditto.
	(expr_invariant_in_loop_p): Ditto.
	(TDF_USE_OPS): Parenthesize definition.
	(TDF_USE_VOPS): Ditto.

2004-11-13  David Edelsohn  <>

	* config/rs6000/aix51.h (ASM_CPU_SPEC): Add 970 and G5.
	* config/rs6000/aix52.h (ASM_CPU_SPEC): Same.
	(atoll): Declare.
	* config/rs6000/t-aix52 (BOOT_LDFLAGS): Define.

2004-11-14  Joseph Myers  <>

	* config/i386/i386.c (override_options): Move loop to set default
	tuning to correct place.

2004-11-13  Zak Kipling  <>

	PR target/18300
	* config/i386/i386.c (classify_argument): Fix infinite loop when
	passing object with 3 or more base classes by value.

2004-11-13  Eric Botcazou  <>

	* doc/md.texi (constraints) <% modifier>: Mention that it is
	useless when the two alternatives are strictly identical.

2004-11-13  Richard Henderson  <>

	* expmed.c (extract_split_bit_field): Temporarily disable call to

2004-11-13  Kazu Hirata  <>

	* bitmap.c, bitmap.h, expmed.c, tree-cfg.c: Fix comment

	* c-cppbuiltin.c, cgraph.c, domwalk.h, except.c, gimplify.c,
	lambda-code.c, postreload.c, predict.c, tree-sra.c,
	tree-ssa-loop-manip.c, tree.c: Fix comment typos.

2004-11-13  Kelley Cook  <>

	* doc/install.texi (automake): Correctly document that everything now
	will use automake 1.9.3.

2004-11-13  Hans-Peter Nilsson  <>

	PR target/18347
	* config/mmix/mmix.c (mmix_function_outgoing_value): Handle
	TImode.  Sorry for other non-complex larger-than-64-bit modes.
	* config/mmix/mmix.h (MIN_UNITS_PER_WORD): Do not define.

2004-11-13  Kelley Cook  <>

	* doc/install.texi (automake): Document that everything now uses 1.9.

2004-11-13  Bernd Schmidt  <>

	* cse.c (cse_insn): Stores in a libcall sequence can invalidate
	previous loads.

2004-11-13  Kazu Hirata  <>

	* tree.h: Fix comment typos.

2004-11-13  Steven Bosscher  <>

	* cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and

	* cselib.c (new_cselib_val): Make comment correct and more detailed.
	* flow.c (mark_set_1): Likewise.

	* except.c (duplicate_eh_region_1, duplicate_eh_region_2,
	duplicate_eh_regions): Remove.
	* except.h (duplicate_eh_regions): Remove prototype.
	* integrate.c (get_label_from_map, copy_rtx_and_substitute,
	global_const_equiv_varray): Remove.
	* integrate.h (get_label_from_map, copy_rtx_and_substitute,
	global_const_equiv_varray, set_label_in_map): Remove prototypes,
	extern declaration, and #define.
	(struct inline_remap): Remove.
	* varray.c (struct element): Remove entry for const_equiv_data.
	* varray.h (struct const_equiv_data): Remove.
	(enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove.
	(union varray_data_tag) <const_equiv>: Remove.

	* regstack.c (record_label_references): Remove unused function.

	* rtl.def (VALUE): Update comment.
	(LABEL_REF): Remove unused operand 2.
	* rtl.h (struct rtx_def): Update for removed accessor macros.
	REG_LOOP_TEST_P): Remove.
	* web.c (entry_register): Don't copy REG_LOOP_TEST_P.
	* doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove.

2004-11-13  James A. Morrison  <>
	    Eric Botcazou  <>

	PR target/18230
	* config/sparc/sparc.c (sparc_rtx_costs): Handle the NAND vector
	* config/sparc/ (V64I): New macro for 64-bit modes.
	(V32I): New macro for 32-bit modes.
	(anddi3, anddi_sp32, anddi_sp64, and_not_di_sp32, and_not_di_sp64,
	iordi3, iordi3_sp32, iordi_sp64, or_not_di_sp32, or_not_di_sp64,
	xordi3, xordi3_sp32, xordi3_sp64, {AND, IOR, XOR} DI splitter,
	xor_not_di_sp32, xordi_not_di_sp64, one_cmpldi2, one_cmpldi_sp32,
	one_cmpldi_sp64): Use V64I instead of DI.
	(andsi3, andsi_sp32, andsi_sp64, and_not_si, iorsi3, or_not_si,
	xorsi3, xor_not_si, one_cmplsi2): Use V32I instead of SI.
	(addv2si3, addv4hi3, addv2hi3): Remove % modifier.
	(nandv64i_vis, nandv32i_vis): New patterns.

2004-11-12  Mike Stump  <>

	* Add html support.
	* java/ Likewise.
	* fortran/ Likewise.
	* treelang/ Likewise.
	* doc/install.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.

2004-11-13  Kazu Hirata  <>

	* tree-ssa-loop-manip.c: Fix a comment typo.

2004-11-12  Mike Stump  <>

	* doc/cppinternals.texi (Index): Fix html generation with makeinfo by
	renaming this node to Concept Index.
	* doc/gccint.texi (Index): Likewise.  Also minor formatting tweaks
	to more closely match gcc.texi.

2004-11-12  Jeff Law  <>

	* tree-cfg.c (hashtab.h): Include.
	(struct edge_to_case_leader_elt): New structure.
	(edge_to_case_leader): New.
	(edge_to_case_leader_hash): New hashtable hasing function.
	(edge_to_case_leader_eq): New hashtable equality function.
	(record_switch_edge): New function.
	(get_case_leader_for_edge, get_case_leader_for_edge): New functions.
	(make_switch_expr_edges): Build the edge-to-case-leader
	hash table.  Tear down the hash table when we're done.
	(cleanup_dead_labels): Use CASE_LEADER_OR_LABEL instead of
	(tree_node_can_be_shared): Allow sharing of CASE_LABEL_EXPR nodes.
	(tree_redirect_edge_and_branch, case SWITCH_EXPR): Update
	to use new concept of case leaders to reduce overhead of
	redirecting outgoing edges from switch statements.
	* tree.c (get_case_label): New function.
	* tree.h (CASE_LABEL): Define in terms of get_case_label.

2004-11-12  Ziemowit Laski  <>

	* varasm.c (output_addressed_constants): For CONST_DECLs,
	output the initializer if present.

2004-11-12  Ziemowit Laski  <>

	* config/rs6000/darwin.h: Fix confusing typo in comment.

2004-11-12  Devang Patel  <>

	* optabs.c (vector_compare_rtx): Use COMPARISON_CLASS_P.

2004-11-12  Devang Patel  <>

	* tree-if-conv.c (clean_predicate_lists): Use loop header
	and latch directly.

2004-11-12  Richard Henderson  <>

	PR 17778
	* config/i386/i386.h (TARGET_96_ROUND_53_LONG_DOUBLE): New.
	* config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
	* config/i386/i386-modes.def (XF): Use it.

2004-11-11  Geoffrey Keating  <>

	* (macro_list): Use move-if-change to avoid spurious

2004-11-12  Mark Mitchell  <>

	PR c++/18416
	* passes.c (rest_of_decl_compilation): Do not look at DECL_RTL
	when deciding whether to pass a variable to
	cgraph_varpool_finalize_decl or assemble_variable.
	* toplev.c (check_global_declarations): Do not clear DECL_RTL.

2004-11-12  Kazu Hirata  <>

	* tree-vectorizer.c: Fix a comment typo.

2004-11-12  Bernd Schmidt  <>

	* genconfig.c (walk_insn_part): Look at match_dups inside a label_ref.

2004-11-12  Diego Novillo  <>

	* tree-scalar-evolution.c (analyzable_condition): Remove
	superfluous TREE_THIS_VOLATILE checks on SSA_NAMEs.

2004-11-12  Ralf Corsepius  <>

	* config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
	Remove m505/roe multilib variant.

2004-11-12  Eric Botcazou  <>

	* expr.c (emit_group_load) <CONCAT>: Use extract_bit_field
	to load from the stack.

2004-11-12  Richard Henderson  <>

	* toplev.c (floor_log2): Rename from floor_log2_wide, use CLZ_HWI.
	(exact_log2): Rename from exact_log2_wide, use CTZ_HWI.
	* toplev.h (FL2T__): Remove.
	(CLZ_HWI): Rename from FL2T_CLZ__.
	(CTZ_HWI): New.
	(floor_log2): Simplify.
	(exact_log2): New.

2004-11-12  Sebastian Pop  <>

	* tree-data-ref.c (analyze_subscript_affine_affine): Correctly
	compute the first overlapping iterations.

2004-11-12  Sebastian Pop  <>

	PR middle-end/18005
	* tree-data-ref.c (estimate_niter_from_size_of_data): Ensure
	that arguments of EXACT_DIV_EXPR are INTEGER_CST.

2004-11-12  Steven Bosscher  <>

	PR tree-optimization/18419
	* tree-ssa.c (walk_use_def_chains_1): Make the visited map a
	pointer set instead of a bitmap.
	(walk_use_def_chains): Create, pass and clean up that pointer_set.

	* tree-ssa-alias.c (struct alias_info): Make the ssa_names_visited
	field an sbitmap.
	(init_alias_info): Allocate and zero it here.
	(delete_alias_info): Delete it here.
	(collect_points_to_info_for): Use it.

2004-11-11  Kazu Hirata  <>

	* alias.c (record_alias_subset, addr_side_effect_eval):
	Make them static.
	* alias.h: Remove the prototype for record_alias_subset.
	* expr.h: Remove the commented-out prototype for
	* rtl.h: Remove the prototype for addr_side_effect_eval.

	* cfglayout.c (choose_inner_scope): Make it static.
	* rtl.h: Remove the corresponding prototype.

	* cfgloopmanip.c (update_single_exits_after_duplication,
	unloop): Make them static.
	* cfgloop.h: Remove the corresponding prototypes.

	* c-typeck.c (c_size_in_bytes, record_maybe_used_decl):
	Make them static.
	* c-tree.h: Remove the corresponding prototypes.

	* explow.c (round_push): Make it static.
	* expr.h: Remove the corresponding prototype.

	* varasm.c (get_named_section_flags, decl_tls_model): Make
	them static.
	* output.h: Remove the prototype for get_named_section_flags.
	* tree.h: Remove the prototype for decl_tls_model.

2004-11-11  Kazu Hirata  <>

	* function.c (expand_function_end): Remove an "if" statement
	that always triggers.
	* stmt.c (expand_null_return_1): Likewise.

2004-11-11  James E. Wilson  <>

	* config/ia64/ia64.h (HARD_REGNO_NREGS): Handle XCmode.
	CLASS_MAX_NREGS): Likewise.

2004-11-11  Zdenek Dvorak  <>

	PR tree-optimization/17742
	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle
	MINUS_EXPR correctly.

2004-11-11  Sebastian Pop  <>

	* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
	Give up as soon as the evolution is known not computable.

2004-11-11  Nathan Sidwell  <>

	PR target/16457
	* config/rs6000/rs6000.c (mask64_2_operand): Stub to call
	(mask64_1or2_operand): Broken out of mask64_2_operand, add flag
	to spot rlwinm opportunities.
	(and64_2_operand): Use mask_1or2_operand.
	* config/rs6000/ (anddi3): Use rlwinm when possible.

2004-11-11  Dorit Naishlos  <>

	* tree-vectorizer.c (update_phi_nodes_for_guard): Call reverse_phis.
	(vect_update_ivs_after_vectorizer): Update function documentation.
	Avoid quadratic behavior and direct write to PHI_ARG_DEF.

2004-11-11  Kazu Hirata  <>

	* config/arm/arm.c: Fix a comment typo.

2004-11-11  Nathan Sidwell  <>

	* bitmap.h (nBITMAP_WORD_BITS): Remove.
	(BITMAP_WORD_BITS): Force unsigned by use of 1u.
	unnecessary casts.
	(bitmap_first_set_bit): Return unsigned, use ctzl.
	(bitmap_last_set_bit): Remove.
	* bitmap.c (bitmap_element_zerop, bitmap_copy): Make iterator
	(bitmap_first_set_bit): Return unsigned, require non-empty bitmap,
	remove special case code for two word elements.
	(bitmap_last_set_bit): Remove.
	* ra-build.c (livethrough_conflicts_bb): Replace unnecessary use of
	bitmap_first_set_bit with bitmap_empty_p.
	* tree-outof-ssa.c (analyze_edges_for_bb): Likewise.
	* tree-ssa-pre.c (bitmap_print_value): Use simple flag rather than

2004-11-11  Nathan Sidwell  <>

	PR target/16796
	* config/rs6000/ Add DF & SF reg move peepholes.

	PR target/16458
	* config/rs6000/rs6000.c (rs6000_generate_compare): Generate an
	unsigned equality compare when we know the operands are unsigned.

2004-11-10  Peter S. Mazinger  <>

	* config/mips/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Define
	__PIC__ and __pic__ only if TARGET_ABICALLS.
	(SUBTARGET_CPP_SPECS): Don't define or undefine __PIC__ and __pic__.
	(SUBTARGET_ASM_SPECS): Don't pass -non_shared to assembler; pass
	-KPIC only if not -mno-abicalls.

	* config/alpha/linux.h, config/arm/linux-elf.h, config/pa/pa-linux.h
	* config/sparc/linux.h, config/sparc/linux64.h
	(TARGET_OS_CPP_BUILTINS): Define __PIC__ and __pic__ if flag_pic.

	* config/arm/linux-gas.h (CPP_SPEC): Don't define __PIC__ or __pic__.
	* config/pa/pa/linux.h (CPP_SPEC): Likewise.
	* config/sparc/linux.h (CPP_SUBTARGET_SPEC): Likewise.
	* config/sparc/linux64.h (CPP_SUBTARGET_SPEC): Likewise.

2004-11-11  Paul Brook  <>

	* config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Save PIC
	register if current_function_uses_pic_offset_table is set.

2004-11-10  David Edelsohn  <>

	* config/rs6000/ (define_attr "type"): Add two and three.
	Change multi-instruction sequences to new attribute.
	* config/rs6000/{,,,,,,,,,,,,}: Add descriptions for two and three.

2004-11-10  Daniel Berlin  <>

	* tree-data-ref.c (build_classic_dist_vector): If either loop
	is outside of the nest we asked about, the dependence can't
	(build_classic_dir_vector): Ditto.

2004-11-10  Zdenek Dvorak  <>

	* tree-ssa-loop-ivopts.c (get_address_cost): Add address elements in
	right order.
	(force_var_cost): Determine cost of addition and multiplication more
	(get_computation_cost_at): Add cost for computing address elements to
	the final cost.

	* fold-const.c (fold): Attempt to use ptr_difference_const whenever
	one of the arguments of MINUS_EXPR is an address.
	(split_address_to_core_and_offset): New function.
	(ptr_difference_const): Handle case when one of the operands is a
	* tree-ssa-loop-ivopts.c (determine_base_object): Fold &*addr.
	(ptr_difference_cost): Pass addresses instead of objects to

2004-11-10  Nathan Sidwell  <>

	* tree.c (tree_check_failed): Emit general error if the list of
	node types is empty.

2004-11-10  Eric Botcazou  <>

	* config/sparc/sparc.c (function_arg_union_value): New 'slotno'
	argument.  When the union is passed in the 6th slot, build a
	PARALLEL with only one element.
	(function_arg): Adjust call to function_arg_union_value.
	(function_value): Likewise.

2004-11-10  Fariborz Jahanian <>

	PR tree-optimization/17892
	* tree-ssa-dom.c (unsafe_associative_fp_binop): Add test for
	MINUS_EXPR operator.

2004-11-10  James A. Morrison  <>

	PR target/18230
	config/sparc/ (addsi3, subsi3): Set "fptype" attribute.
	(addv2si, addv4hi, addv2hi, subv2si, subv4hi, subv2hi): New patterns.

2004-11-10  Steven Bosscher  <>

	* basic-block.h (XMALLOC_REG_SET, XFREE_REG_SET): New.
	(struct basic_block_def): Remove local_set and cond_local_set
	fields.  Update comment for global_live_at_start.
	* flow.c (calculate_global_regs_live): Allocate local_sets and
	cond_local_sets here as arrays of bitmaps previously stored in
	bb->local_set and bb->cond_local_set.  Use xmalloc instead of
	obstack allocated bitmaps.

2004-11-09  H.J. Lu  <>

	PR target/18380
	* config/ia64/unwind-ia64.h (_Unwind_FindTableEntry): Mark it

	* unwind-dw2.c (_Unwind_FindTableEntry): Removed.

2004-11-09  Jeff Law  <>

	* cfganal.c (flow_dfs_compute_reverse_execute): Accept new
	argument holding last unvisited block.  Start search for
	unvisited blocks at LAST_UNVISITED rather than EXIT_BLOCK.
	(connect_infinite_loops_to_exit): Supply last unvisited block
	to flow_dfs_compute_reverse_execute.

2004-10-22  Aldy Hernandez  <>

	* config/rs6000/ (fix_truncdfsi2): Handle e500
	(floatunssidf2): Same.
	(floatsidf2): Same.
	("extendsfdf2"): New expander.
	(*extendsfdf2_fpr): Rename.
	(*truncdfsf2_fpr): Same.
	(*negdf2_fpr): Same.
	(*absdf2_fpr): Same.
	(*nabsdf2_fpr): Same.
	(*adddf3_fpr): Same.
	(*subdf3_fpr): Same.
	(*muldf3_fpr): Same.
	(*divdf3_fpr): Same.

	* config/rs6000/ ("spe_extendsfdf2"): Remove FIXME comment.
	("spe_fix_truncdfsi2"): Same.
	(spe_floatunssidf2): Same.
	(spe_floatsidf2): Same.

2004-11-09  Joseph S. Myers  <>

	PR c/18322
	* c-common.c (fname_decl): Don't use line number of decl in

2004-11-09  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_pool_operand): Remove.
	* config/s390/s390.c (s390_pool_operand): Likewise.
	(s390_extra_constraint_str): Handle 'B' constraints.
	* config/s390/s390.h (CONSTRAINT_LEN): Handle 'B' constraints.
	* config/s390/ Document 'B' constraints.
	("*cmpdi_cct", "*cmpsi_cct"): Use 'B' constraint instead of
	s390_pool_operand to prevent insns with two literal pool
	references.  Make pattern commutative.
	("*cmpdi_ccu", "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use
	'B' constraint instead of s390_pool_operand.

2004-11-09  Kazu Hirata  <>

	* tree-cfg.c (create_bb): Remove unnecessary memset.

2004-11-09  Kazu Hirata  <>

	* tree-ssa-threadupdate.c (copy_phis_to_block): Remove.
	(thread_block): Call flush_pending_stmt instead of

2004-11-09  Kazu Hirata  <>

	* loop-iv.c (iv_number_of_iterations): Make it static.
	* cfgloop.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <>

	* function.c (combine_temp_slots, assign_parms,
	expand_pending_sizes): Make them static.
	* tree.h: Remove the corresponding prototypes.

2004-11-09  Kazu Hirata  <>

	* emit-rtl.c (copy_most_rtx): Remove.
	* rtl.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <>

	* cfgloop.c (flow_loops_update): Remove.
	* cfgloop.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <>

	* conflict.c (mark_reg, conflict_graph_compute): Remove.
	* basic-block.h: Remove the prototype for

2004-11-09  Kazu Hirata  <>

	* tree-if-conv.c (add_to_dst_predicate_list): Change the
	second argument to basic_block.
	(tree_if_convert_cond_expr): Update call sites.

2004-11-09  Kazu Hirata  <>

	* fold-const.c (pedantic_non_lvalue): Make it static.
	* tree.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <>

	* optabs.c (prepare_operand): Make it static.
	* optabs.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <>

	* reload1.c (reloads_conflict, gen_reload): Make them static.
	* reload.h: Remove the corresponding prototypes.

2004-11-09  Kazu Hirata  <>

	* reload.c (refers_to_mem_for_reload_p,
	refers_to_regno_for_reload_p): Make them static.
	* reload.h: Remove the corresponding prototypes.

2004-11-09  James A. Morrison  <>
	    Eric Botcazou  <>

	PR target/18230
	* doc/md.texi (SPARC constraints): Document 'Y' constraint.
	* config/sparc/sparc-modes.def: Add vector modes of 4 and 8 bytes.
	* config/sparc/sparc.c (sparc_vector_mode_supported_p): New function.
	(TARGET_VECTOR_MODE_SUPPORTED_P): Set to sparc_vector_mode_supported_p.
	(fp_zero_operand): Accept MODE_VECTOR_INT modes.
	(input_operand): Accept CONST_VECTOR with MODE_VECTOR_INT modes.
	(sparc_cannot_force_const_mem): Return false for CONST_VECTOR.
	(sparc_init_modes): Set sparc_mode_class to SF_MODE or DF_MODE for
	(sparc_extra_constraint_check): Add new constraint 'Y'.
	* config/sparc/sparc.h: Define UNITS_PER_SIMD_WORD to 8 for TARGET_VIS.
	* config/sparc/ (V32): New mode macro for 32-bit modes.
	(V64): New mode macro for 64-bit modes.
	(movsf): Use V32 for mode instead of SF.
	(movsf_insn_vis): Use V32 for mode instead of SF.  Add 'Y' constraint
	alongside 'G' constraint.
	(movdf): Use V64 for mode instead of DF.
	(movdf_insn_v9only_vis, modf_insn_sp64_vis): Use V64 for mode instead
	of DF.  Add 'Y' constraint alongside 'G' constraint.
	(multi-isn and misaligned mems DFmode splitters): Use V64 for mode
	instead of DF.

2004-11-09  Ulrich Weigand  <>

	* config/s390/s390.c (s390_select_ccmode): Return CCAPmode for
	integer NEG and ABS.
	* config/s390/ ("*negdi2_64"): Fix op_type attribute.
	("*negdi2_31"): Reimplement using a splitter.
	("*negdi2_cc", "*negdi2_cconly"): New insns.
	("*negdi2_sign", "*negdi2_sign_cc"): Likewise.
	("*negsi2_cc", "*negsi2_cconly"): Likewise.
	("*negdf2_cc", "*negdf2_cconly"): Likewise.
	("*negsf2_cc", "*negsf2_cconly"): Likewise.
	("*absdi2_cc", "*absdi2_cconly"): New insns.
	("*absdi2_sign", "*absdi2_sign_cc"): Likewise.
	("*abssi2_cc", "*abssi2_cconly"): Likewise.
	("*absdf2_cc", "*absdf2_cconly"): Likewise.
	("*abssf2_cc", "*abssf2_cconly"): Likewise.
	("*negabsdi2_cc", "*negabsdi2_cconly"): New insns.
	("*negabsdi2_sign", "*negabsdi2_sign_cc"): Likewise.
	("*negabssi2_cc", "*negabssi2_cconly"): Likewise.
	("*negabsdf2_cc", "*negabsdf2_cconly"): Likewise.
	("*negabssf2_cc", "*negabssf2_cconly"): Likewise.

2004-11-09  Ulrich Weigand  <>

	* config/s390/s390.c (s390_canonicalize_comparison): Reverse condition
	when eliminating an UNSPEC_CMPINT.
	(s390_secondary_input_reload_class): Fix test for CC register reload.
	(s390_secondary_output_reload_class): Likewise.
	(s390_expand_cmpmem): Swap operands.  Use gen_cmpint.
	* config/s390/ ("*cmpint_si", "*cmpint_di"): Remove.
	("cmpint", "*cmpint_cc", "*cmpint_sign", "*cmpint_sign_cc"): New
	insn patterns with splitters.

2004-11-09  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.
	* config/rs6000/ (sCC): Split GTU and LTU patterns.

2004-11-09  Kazu Hirata  <>

	* tree-phinodes.c (phi_reverse): New.
	* tree-cfg.c (tree_make_forwarder_block, tree_duplicate_bb):
	Use it.
	* tree-flow.h: Add a prototype for phi_reverse.

2004-11-09  Kazu Hirata  <>

	* tree-ssa-loop-ivopts.c: Fix a comment typo.

2004-11-09  James A. Morrison  <>

	PR pch/14940
	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __sparc__

2004-11-09  Joseph S. Myers  <>

	* builtins.c, c-common.c, c-decl.c, c-format.c: Say "argument"
	instead of "arg" in diagnostics.

2004-11-09  Joseph S. Myers  <>

	* builtins.c, c-common.c, c-decl.c, c-format.c, c-format.h,, c-pch.c, c-pragma.c, collect2.c, final.c, gcc.c,
	gcov.c, opts.c, pretty-print.h, protoize.c, reg-stack.c, rtl.c,
	tlink.c, config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
	config/avr/avr.c, config/c4x/c4x.c, config/darwin.c,
	config/frv/frv.c, config/h8300/h8300.c, config/i386/i386.c,
	config/i386/winnt.c, config/ia64/ia64.c, config/ip2k/ip2k.c,
	config/iq2000/iq2000.c, config/m32r/m32r.c,
	config/m68hc11/m68hc11.c, config/m68k/m68k.c, config/m68k/m68k.h,
	config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.c,
	config/ns32k/ns32k.c, config/rs6000/host-darwin.c,
	config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
	config/sh/symbian.c, config/stormy16/stormy16.c,
	config/v850/v850.c: Avoid "`" as left quote, using "'" or %q, %<
	and %> as appropriate.  Use %' as apostrophe in diagnostics where
	applicable.  Use %< and %> in place of '' quotes where applicable.
	Use %qs in place of %<%s%>.  Consistently quote __builtin function

2004-11-09  Hans-Peter Nilsson  <>

	* (pbb, pbm): New macros.

2004-11-08 Jeff Law  <>

	* cfg.c (redirect_edge_succ_nodup): Use find_edge rather than
	implementing it inline.

	* cfganal.c (find_edge): Search pred->succs or succ->preds,
	whichever is shorter.

2004-11-08  Kazu Hirata  <>

	* passes.c (rest_of_handle_jump): Remove dead code.

2004-11-08  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Speed up by keeping a pointer to
	the last used element in the worklist.

2004-11-08  Kazu Hirata  <>

	* tree-inline.c (remap_save_expr): Make it static.
	* tree-inline.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <>

	* tree-ssa-loop-niter.c (upper_bound_in_type,
	lower_bound_in_type): Make them static.
	* tree.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <>

	* tree-ssa-live.c (tpa_init, pop_best_coalesce): Make them
	* tree-ssa-live.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <>

	* tree-if-conv.c (tree_if_conversion): Make it static.
	* tree-flow.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <>

	* tree-ssa-operands.c (build_ssa_operands): Make it static.
	* tree-flow.h: Remove the corresponding prototype.

2004-11-08  Andrew Pinski  <>

	PR tree-opt/18299
	* tree-inline.c (copy_body_r): Change "t = t" to empty
	statement instead of "t".

2004-11-08  Kazu Hirata  <>

	* modulo-sched.c (create_partial_schedule,
	free_partial_schedule, reset_partial_schedule,
	ps_add_node_check_conflicts, rotate_partial_schedule): Make
	them static.

2004-11-08  Richard Henderson  <>

	* expmed.c (extract_force_align_mem_bit_field): Correct handling at
	the end of a page.

2004-11-08  Kazu Hirata  <>

	* sched-deps.c (add_insn_mem_dependence): Make it static.
	* sched-int.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <>

	* flow.c (allocate_bb_life_data): Make it static.
	* basic-block.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <>

	* calls.c (split_complex_values, split_complex_types): Make
	them static.
	* expr.h: Remove the corresponding prototypes.

2004-11-08  Richard Earnshaw  <>

	* arm.c (arm_handle_notshared_attribute): Wrap declaration and use

2004-11-08  Kazu Hirata  <>

	* tree-if-conv.c (tree_if_convert_cond_expr): Remove two "if"
	statements that always trigger.

2004-11-08  Kazu Hirata  <>

	* tree-cfg.c, tree-if-conv.c, tree-into-ssa.c,
	tree-scalar-evolution.c, tree-ssa-loop-im.c,
	tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa.c,
	tree-vectorizer.c: Replace TREE_CHAIN with PHI_CHAIN where

2004-11-08  Ben Elliston  <>

	* cgraph.h (cgraph_calls_p): Remove.
	* cgraph.c (cgraph_calls_p): Likewise.

	* varray.h (varray_copy): Remove.
	* varray.c (varray_copy): Likewise.

2004-11-07  Andrew Pinski  <>

	PR target/18269
	* config/darwin.c (machopic_indirect_data_reference):
	Call gen_macho_high and gen_macho_low instead of
	checking the mode and calling gen_macho_high_di directly.
	* config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
	* config/rs6000/ Move most of TARGET_MACHO expand/insns
	(movdf_low, movsf_low, movsf_low_st, movsi_low, macho_correct_pic,
	load_macho_picbase, macho_low, macho_high): Removed.
	(builtin_setjmp_receiver): Call gen_macho_high and
	gen_macho_low instead of checking the mode and calling
	gen_macho_high_di directly.
	* config/rs6000/ (load_macho_picbase_di): Use the MD constant.
	(movdf_low_si, movsf_low_si, movsf_low_st_si, movsi_low_st):
	Moved from
	(macho_high): New expander.
	(macho_high_si): Renamed version of macho_high from
	(macho_low): New expander.
	(macho_low_si): Renamed version of macho_low from
	(load_macho_picbase): New expander.
	(load_macho_picbase_si): Renamed version of load_macho_picbase
	(macho_correct_pic): New expander.
	(macho_correct_pic_si): Renamed version of macho_correct_pic

2004-11-07  Joseph S. Myers  <>

	* c-decl.c (finish_struct): Use complete sentences for diagnostic
	for structures or unions with no members or named members.

2004-11-07  Joseph S. Myers  <>

	* c-typeck.c (build_unary_op): Replace unreachable diagnostic for
	taking address of bit-field by assertion.

2004-11-06  Ulrich Weigand  <>

	* config/s390/ (attribute "op_type"): Default to "NN".
	(attribute "atype"): Default to "agen".
	(attribute "length"): Default to 6.
	(define_asm_attibutes): Remove.
	("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
	"*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf",
	"*clc", "*mvc", "*nc", "*oc", "*xc", "*xc_zero"):
	Do not set type attribute to "cs" where already default.
	("*cmpint_si", "*cmpint_di", "fix_truncdfsi2_ibm", "floatsidf2_ibm",
	Do not set type attribute to "other" where already default.
	("movti", "*movdi_64", "*movdi_31", "*movdf_31",
	"*strlendi", "*strlensi",
	"*movmem_long_64", "*movmem_long_31",
	"*clrmem_long_64", "*clrmem_long_31",
	"*cmpmem_long_64", "*cmpmem_long_31",
	"*cmpint_si", "*cmpint_di",
	"addti3", "*adddi3_31z", "*adddi3_31",
	"subti3", "*subdi3_31z", "*subdi3_31", "*negdi2_31",
	"*sconddi", "*scondsi", "*sconddi_neg", "*scondsi_neg",
	"fix_truncdfsi2_ibm", "floatsidf2_ibm", "extendsfdf2_ibm",
	"*pool_entry", "pool_align", "pool_section_start",
	"pool_section_end", "main_pool", "reload_base_31", "pool"):
	Do not set op_type attribute to "NN" where already default.
	("*extractqi", "*extracthi", "*zero_extendhisi2_31",
	"*zero_extendqisi2_31", "*zero_extendqihi2_31",
	"fix_truncdfsi2_ibm", "floatsidf2_ibm"):
	Do not set atype attribute to "agen" where already default.
	("*movmem_short", "*clrmem_short", "*cmpmem_short"): Don't set op_type.

2004-11-06  Richard Sandiford  <>

	* config/mips/t-iris6 (tp-bit.c): Fix target filename.

2004-11-06  Richard Sandiford  <>

	PR target/16830
	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define the
	R3000 and R4000 macros on IRIX.

2004-11-06  Andreas Schwab  <>

	PR target/16286
	* config/rs6000/altivec.h: Replace bool by __bool and pixel by

2004-11-06  Kazu Hirata  <>

	* tree-ssa-copyrename.c (rename_ssa_copies): Make it static.

2004-11-06  Ulrich Weigand  <>

	* config/s390/ ("z_int", "z_agen"): Ensure the condition
	matches no insns already matched by other reservations.
	* config/s390/ ("x_int", "x_agen"): Ensure the condition
	matches no insns already matched by other reservations.
	("x_ss"): Remove, replace by ...
	("x_cs"): ... this new reservation.  Check type instead of op_type.
	Update bypasses to use x_cs instead of x_ss.
	("x_nn"): Remove, replace by ...
	("x_other"): ... this new reservation.  Check type instead of op_type.
	Add x_other and x_branch to bypasses.
	("x_vs"): New reservation.
	* config/s390/ (attribute "type"): Default according to op_type.
	("*execute"): Set type to "cs".

2004-11-06  Kazu Hirata  <>

	* fold-const.c (non_lvalue): Don't construct NON_LVALUE_EXPR
	if we are in GIMPLE.

2004-11-06  Hans-Peter Nilsson  <>

	PR rtl-optimization/17933
	* rtlanal.c (dead_or_set_regno_p): Break out common code to...
	(covers_regno_p): New function.  Handle SETs of PARALLEL,
	and defer the rest to...
	(covers_regno_no_parallel_p): New function.

2004-11-06  Eric Botcazou  <>

	* config/sparc/sparc.c (function_arg_record_value_1): Skip
	fields with zero length.
	(function_arg_record_value_2): Likewise.
	(function_arg_record_value_3): Use smallest_mode_for_size
	instead of mode_for_size.
	(function_arg_union_value): Return naked register for unions
	with zero length.

2004-11-06  Eric Botcazou  <>

	* config/sparc/sparc.c (scan_record_type): Handle vector types.
	(function_arg_slotno): Handle vector types specially.
	(function_arg_record_value_1): Split fields with vector type and
	BLKmode into their subparts.
	(function_arg_record_value_2): Likewise.  Be prepared to handle
	more than 2 registers per field.
	(function_arg_union_value): Increment regno inside the loop.
	(function_arg_vector_value): New function.
	(function_arg): Use it to split fields with vector type and
	BLKmode into their subparts and build a PARALLEL.  Treat
	other vector types like floats.
	(function_value): Likewise.
	(sparc_pass_by_reference): Handle vector types.
	(sparc_return_in_memory): Likewise.

2004-11-06  Kazu Hirata  <>

	* tree-cfg.c (find_taken_edge_cond_expr): Remove an "if"
	statement that never triggers.

2004-11-06  Ulrich Weigand  <>

	* config/s390/ ("z_o2", "z_o3"): Remove.
	* config/s390/ ("x_o2", "x_o3"): Remove.
	("x_fdivd"): Use also for fsqrtd type.
	("x_fdivs"): Use also for fsqrts type.
	* config/s390/ (attribute "type"): Remove "o2" and "o3" types.
	("fix_truncdfsi2_ieee"): Set type to "ftoi".
	("fix_truncdfsi2_ibm"): Set type to "other".
	("floatdidf2", "floatdisf2"): Do not clobber CC.
	("floatsidf2", "floatsidf2_ieee"): Likewise.
	("floatsisf2", "floatsisf2_ieee"): Likewise.
	("truncdfsf2", "truncdfsf2_ieee"): Only allow "register_operand".
	("truncdfsf2_ibm"): Only allow "nonimmediate_operand".  Use LER
	instead of LRER.
	("extendsfdf2_ibm"): Do not set atype.  Set type to "floads".
	("sqrtdf2"): Set type to "fsqrtd".
	("sqrtsf2"): Set type to "fsqrts".

2004-11-06  Kazu Hirata  <>

	* tree-phinodes.c (remove_all_phi_nodes_for): Speed up using a
	pointer to the last PHI node in the new PHI chain.

2004-11-06  Kaz Kojima  <>

	* config/sh/sh.c (prepare_move_operands): Emit a use of r12

2004-11-06  Kazu Hirata  <>

	* expmed.c: Fix a comment typo.

2004-11-06  Aaron W. LaFramboise  <>

	PR target/18106
	* config/i386/cygming.h

2004-11-06  Kazu Hirata  <>

	* config/sh/ Fix copyright.

2004-11-06  Kazu Hirata  <>

	* config/rs6000/, config/sh/ Replace GNU CC
	with GCC.

2004-11-05  David Edelsohn  <>

	* config/rs6000/ (scc patterns): Replace subfc with subf
	when carry not used.  Suggested by Torbjorn Granlund.

	* config/rs6000/rs6000.c (rs6000_emit_move): Don't force_reg
	operand[1] unnecessarily.  Suggested by Eric Christopher.
	(rs6000_adjust_cost): Increase latency of store to wider load.
	(rs6000_rtx_costs): mulli only allows 16-bit constants.

2004-11-05  Stan Shebs  <>

	* config/rs6000/rs6000.c (machopic_output_stub): Output
	ldu instead of lwzu for 64-bit stubs.

2004-11-05  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_expand_unaligned_load): Special case
	size 2 with BWX.
	(alpha_expand_unaligned_store): Likewise.

2004-11-05  Richard Henderson  <>

	* expmed.c (extract_force_align_mem_bit_field): New.
	(extract_split_bit_field): Call it.

2004-11-05  Richard Henderson  <>

	* (UNSPEC_SHRP): New.
	(dshift_count_operand): New.
	(ashrti3, ashrti3_internal, lshrti3, lshrti3_internal, shrp): New.
	* ia64.c (rtx_needs_barrier): Handle UNSPEC_SHRP.

2004-11-05  Joseph S. Myers  <>

	* c-typeck.c (output_init_element): Return early if value is

2004-11-05  James E Wilson  <>

	* invoke.texi (-fno-guess-branch-probability): Rewrite.

	* config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC_GR_SPILL): Change

2004-11-05  Andreas Krebbel  <>

	* config/s390/s390.c (s390_fixed_condition_code_regs): New function.

2004-11-05  Nathan Sidwell  <>

	* bitmap.h (enum bitmap_bits): Remove.
	(bitmap_operation): Remove.
	(bitmap_and, bitmap_and_into, bitmap_and_compl,
	bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
	bitmap_xor_into): Prototype.
	* bitmap.c (bitmap_elt_insert_after, bitmap_elt_clear_from): New.
	(bitmap_operation): Remove.
	(bitmap_and, bitmap_and_into, bitmap_and_compl,
	bitmap_and_compl_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
	bitmap_xor_into): New.
	(bitmap_ior_and_compl, bitmap_ior_and_compl_into): Adjust.

	PR tree-optimization/18307
	* tree-ssa-alias.c (merge_pointed_to_info): Protected against DEST
	and ORIG being the same node.

2004-11-04  Geoffrey Keating  <>

	* (distclean): Don't delete nonexistent fixinc/ directory.
	(install-mkheaders): Install the version built for the
	host, not for the build machine.
	* Always run fixincludes.
	(all_outputs): Remove mkheaders.
	* configure: Regenerate.
	* Move to fixincludes/.
	* Likewise.
	* Likewise.
	* README-fixinc: Likewise.

2004-11-05  Ramana Radhakrishnan  <>

	PR target/18263
	* config/arc/lib1funcs.asm (___umulsidi3): Change use of cmp to the
	equivalent on the A4.

2004-11-05  Joseph S. Myers  <>

	* doc/c-tree.texi, doc/cfg.texi, doc/contrib.texi, doc/cpp.texi,
	doc/cppopts.texi, doc/extend.texi, doc/fragments.texi,
	doc/frontends.texi, doc/gcov.texi, doc/hostconfig.texi,
	doc/implement-c.texi, doc/install.texi, doc/invoke.texi,
	doc/libgcc.texi, doc/md.texi, doc/passes.texi,
	doc/portability.texi, doc/rtl.texi, doc/sourcebuild.texi,
	doc/standards.texi, doc/tm.texi, doc/tree-ssa.texi,
	doc/trouble.texi: Correct end-of-sentence markup and markup of
	"etc.", "e.g." and "i.e.".  Use @code in various places where

2004-11-05  Joseph S. Myers  <>

	* doc/c-tree.texi, doc/cfg.texi, doc/extend.texi, doc/gty.texi,
	doc/install.texi, doc/invoke.texi, doc/md.texi, doc/passes.texi,
	doc/rtl.texi, doc/tm.texi, doc/tree-ssa.texi: Remove trailing

2004-11-04  Mark Mitchell  <>

	* config/arm/arm.c (arm_handle_notshared_attribute): New function.
	* doc/extend.texi: Document "notshared" attribute.

2004-11-04  Kazu Hirata  <>

	* tree-phinodes.c (make_phi_node): Make it static.
	* tree.h: Remove the prototypes for make_phi_node.

2004-11-04  Kazu Hirata  <>

	* stmt.c (expand_asm, expand_asm_operands): Make them static.
	* tree.h: Remove the prototypes for expand_asm and

2004-11-04  Kazu Hirata  <>

	* passes.c (rest_of_compilation): Make it static.
	* toplev.h: Remove the prototype for rest_of_compilation.

2004-11-04  Kazu Hirata  <>

	* jump.c (cleanup_barriers): Use delete_insn instead of
	(delete_barrier): Remove.
	* rtl.h: Remove the corresponding prototype.

2004-11-04  Kazu Hirata  <>

	* expr.c (mostly_zero_p): Make it static.
	* tree.h: Remove the prototype for mostly_zeros_p.

2004-11-04  Kazu Hirata  <>

	* cfgrtl.c (force_nonfallthru_and_redirect): Make it static.

2004-11-04  Kazu Hirata  <>

	* builtins.c (expand_builtin_return_addr,
	expand_builtin_longjmp, expand_builtin_trap): Make them static.
	* expr.h: Remove the prototypes for expand_builtin_longjmp and
	* tree.h: Remove the prototype for expand_builtin_return_addr.

2004-11-04  Kazu Hirata  <>

	* tree-cfg.c (find_taken_edge): Reject VAL begin NULL.
	* tree-ssa-ccp.c (visit_cond_stmt): Don't call find_taken_edge
	with VAL being NULL.

2004-11-04  Kazu Hirata  <>

	* cfghooks.c (delete_basic_block): Remove code to truncate
	edge vectors.

2004-11-04  Andrew Pinski  <>

	* flow.c (init_propagate_block_info): Change the type of i to

2004-11-04  Ulrich Weigand  <>

	PR tree-optimization/18184
	* c-typeck.c (comptypes): Do not treat pointers of different
	modes or alias-all flags as equivalent.
	* tree-ssa.c (tree_ssa_useless_type_conversion_1): Likewise.

2004-11-04  Joseph S. Myers  <>

	* doc/gty.texi, doc/makefile.texi, doc/sourcebuild.texi: Don't
	reference specific C parser files in examples.

2004-11-04  Richard Sandiford  <>

	PR target/15342
	* regrename.c (scan_rtx): Treat the destinations of SETs and CLOBBERs
	as OP_INOUT if the instruction is predicated.

2004-11-04  Kazu Hirata  <>

	* bitmap.h: Fix a comment typo.  Follow spelling conventions.
	* tree-vectorizer.c: Fix a comment typo.

2004-11-04  Kazu Hirata  <>

	* sdbout.c (SDB_GENERATE_FAKE): Remove.
	(gen_fake_label): Don't use SDB_GENERATE_FAKE.
	* system.h: Poison SDB_GENERATE_FAKE.
	* doc/tm.texi (SDB_GENERATE_FAKE): Remove.

2004-11-04  Ulrich Weigand  <>

	* config/s390/ ("*addsi3_sign"): Use canonical RTL.

2004-11-04  Eric Botcazou  <>

	PR other/18277
	* gthr-posix.h (__gthread_recursive_mutex_init_function): Revert
	2004-10-29 patch

2004-11-04  Nathan Sidwell  <>

	* predict.c (propagate_freq): Make bitno unsigned. Move
	npredecessors update out of loop.

	* bitmap.h (bitmap_iterator): Remove word_bit and bit
	fields. Rename others.
	(bmp_iter_common_next_1, bmp_iter_single_next_1,
	bmp_iter_single_init, bmp_iter_end_p, bmp_iter_single_next,
	bmp_iter_and_not_next_1, bmp_iter_and_not_init,
	bmp_iter_and_not_next, bmp_iter_and_next_1, bmp_iter_and_init,
	bmp_iter_and_next): Remove.
	(bmp_iter_set_init, bmp_iter_and_init, bmp_iter_and_compl_init,
	bmp_iter_next, bmp_iter_set, bmp_iter_and, bmp_iter_and_compl):

	* bitmap.h (bitmap_a_or_b, bitmap_a_and_b): Remove.
	* df.c (dataflow_set_a_op_b): Use bitmap_and, bitmap_ior,
	bitmap_and_into, bitmap_ior_into as appropriate.
	* except.c (remove_eh_handler):	Likewise.
	* global.c (modify_bb_reg_pav, make_accurate_live_analysis): Likewise.
	* tree-dfa.c (mark_new_vars_to_rename): Likewise.
	* tree-ssa-alias.c (merge_pointed_to_info): Likewise.
	* tree-ssa-live.h (live_merge_and_clear): Likewise.
	* tree-ssa-loop-ivopts.c (find_best_candidate, try_add_cand_for):

	* bitmap.c (bitmap_print): Make bitno unsigned.
	* bt-load.c (clear_btr_from_live_range,
	btr_def_live_range): Likewise.
	* caller-save.c (save_call_clobbered_regs): Likewise.
	* cfganal.c (compute_dominance_frontiers_1): Likewise.
	* cfgcleanup.c (thread_jump): Likewise.
	* cfgrtl.c (safe_insert_insn_on_edge): Likewise.
	* conflict.c (conflict_graph_compute): Likewise.
	* ddg.c (add_deps_for_use): Likewise.
	* df.c (df_refs_update): Likewise.
	* except.c (remove_eh_handler): Likewise.
	* flow.c (verify_local_live_at_start, update_life_info,
	initialize_uninitialized_subregs, propagate_one_insn,
	free_propagate_block_info, propagate_block, find_use_as_address,
	reg_set_to_hard_reg_set): Likewise.
	* gcse.c (clear_modify_mem_tables): Likewise.
	* global.c (global_conflicts, build_insn_chain): Likewise.
	* ifcvt.c (dead_or_predicable): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop.c (load_mems): Likewise.
	* ra-build.c (livethrough_conflicts_bb, conflicts_between_webs):
	* ra-rewrite.c (reloads_to_loads, rewrite_program2, actual_spill):
	* reload1.c (order_regs_for_reload, finish_spills): Likewise.
	* sched-deps.c (sched_analyze_insn, free_deps): Likewise.
	* sched-rgn.c (propagate_deps
	* tree-cfg.c (tree_purge_all_dead_eh_edges): Likewise.
	* tree-dfa.c (dump_dfa_stats
	tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
	insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags):
	* tree-outof-ssa.c (coalesce_ssa_name, coalesce_vars,
	free_temp_expr_table, find_replaceable_exprs): Likewise.
	* tree-sra.c (scan_function, scalarize_parms): Likewise.
	* tree-ssa-alias.c (init_alias_info,
	compute_flow_sensitive_aliasing, maybe_create_global_var): Likewise.
	* tree-ssa-dce.c (mark_control_dependent_edges_necessary): Likewise.
	* tree-ssa-live.c (new_tree_live_info, live_worklist,
	calculate_live_on_entry, calculate_live_on_exit, compare_pairs,
	sort_coalesce_list, build_tree_conflict_graph, dump_live_info
	tree-ssa-loop-manip.c (add_exit_phis_var): Likewise.
	tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
	add_call_read_ops): Likewise.
	* tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Likewise.
	* tree-ssa-live.h (num_var_partitions): Return unsigned.

2004-11-03  Dorit Naishlos  <>

	PR tree-optimization/18009
	* tree-vectorizer.h (enum dr_alignment_support): New type.
	(LOOP_UNALIGNED_DR): replaced with LOOP_VINFO_UNALIGNED_DR and holds a
	single data_reference (instead of a varray of references).
	* tree-vectorizer.c (new_loop_vec_info): Likewise.
	(vect_gen_niters_for_prolog_loop): Likewise.
	(vect_update_inits_of_drs): Likewise.

	(vect_update_inits_of_drs): Setting of DR_MISALIGNMENT moved to
	(vect_do_peeling_for_alignment): Likewise.
	(vect_enhance_data_refs_alignment): Decide if and by how much to peel;
	this functionality used to be in vect_analyze_data_refs_alignment.
	Also update DR_MISALIGNMENT due to peeling; this functionality used to
	be in vect_update_inits_of_drs and vect_do_peeling_for_alignment).
	(vect_analyze_data_refs_alignment): Decision on whether and by how much
	to peel moved to vect_enhance_data_refs_alignment. Call

	(vect_compute_data_ref_alignment): Set STMT_VINFO_VECTYPE.
	(vect_compute_data_refs_alignment): Return bool. Consider return value
	of vect_compute_data_ref_alignment and return true/false accordingly.
	(vect_enhance_data_refs_alignment): Consider return value of
	vect_compute_data_refs_alignment and return true/false accordingly.

	(vect_supportable_dr_alignment): New function.
	(vectorizable_store): Call vect_supportable_dr_alignment.
	(vectorizable_load): Call vect_supportable_dr_alignment. Alignment
	support checks moved from here to vect_supportable_dr_alignment.

	(vect_transform_loop): Avoid 80 columns overflow.

2004-11-03  Andrew Pinski  <>

	* timevar.c (timevar_enable): Change from
	(timevar_push): Rename to ...
	(timevar_push_1): this and remove the
	enabled check.
	(timevar_pop): Rename to ...
	(timevar_pop_1): this and remove the
	enabled check.
	* timevar.h (POP_TIMEVAR_AND_RETURN): Use do/while loops.
	(timevar_pop): New macro.
	(timevar_push): New macro.
	(timevar_enable): Declare.

2004-11-03  Andrew Pinski  <>

	* config/darwin.h (REAL_LIBGCC_SPEC): Define to use shared
	libgcc for shared libraries.

2004-11-03  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_split_access_reg): Add prototype.
	* config/s390/s390.c (s390_split_access_reg): New function.
	(regclass_map): Add access registers.
	(get_thread_pointer): Use access register instead of UNSPEC_TP.
	* config/s390/s390.h (FIRST_PSEUDO_REGISTER): Set to 38.
	(TP_REGNUM): New define.
	REG_ALLOC_ORDER): Add access registers.
	CANNOT_CHANGE_MODE_CLASS): Support access registers.
	(enum reg_class): Add ACCESS_REGS.
	(REG_CLASS_FROM_LETTER): Add 't' constraint.
	(REGISTER_NAMES): Add access registers.
	* config/s390/ (UNSPEC_TP): Remove.
	("*movdi_64"): Add access register alternatives.  Provide splitters
	to split DImode access register <-> GPR moves into SImode moves.
	("*movsi_zarch", "*movsi_esa"): Add access register alternatives.
	("movstrictsi"): Likewise.
	("get_tp_64", "get_tp_31"): Reimplement using access registers.
	("set_tp_64", "set_tp_31"): Likewise.
	("*set_tp"): New insn.

2004-11-03  Kazu Hirata  <>

	* tree-phinodes.c (resize_phi_node): Copy only a portion of
	the PHI node currently in use.

2004-11-03  Andrew Pinski  <>

	PR tree-opt/18231
	* tree.c (staticp) <case FUNCTION_DECL>: Nested functions are static

2004-11-03  Andrew MacLeod  <>

	PR tree-optimization/18270
	* tree-outof-ssa.c (analyze_edges_for_bb): If a block has incoming
	abnormal edges, commit all pending stmts on incoming edges.

2004-11-03  Ulrich Weigand  <>

	* tree-ssa-loop-ivopts.c (get_address_cost): Offset zero does not
	cause extra costs.  Generate canonical RTL.

2004-11-02  Daniel Berlin  <>

	* lambda-code.c (lambda_compute_auxillary_space): Update comments.
	(lambda_compute_target_space). Ditto.
	* lambda.h (lambda_trans_matrix): Ditto.
	(lambda_linear_expression): Ditto.
	(lambda_body_vector): Ditto.
	(lambda_loopnest): Ditto.
	* tree-loop-linear.c (gather_interchange_stats): Combine tests,
	update comments, and remove pointless addition of 0.
	(linear_transform_loops): Update comments.

2004-11-03  Sebastian Pop  <>

	* tree.c (tree_fold_gcd): Use FLOOR_MOD_EXPR instead of

2004-11-03 Jeff Law  <>

	* predict.c (struct block_info_def): Kill "tovisit" field.
	(propagate_freq): Accept new "tovisit" parameter.  Change
	read/write access methods for "tovisit" to check the "tovisit"
	bitmap instead of a bit in block_info_def.
	(estimate_loops_at_level): Allocate "tovisit" bitmap.  Pass
	it to propagate_freq.

	* stmt.c (expand_case): Speed up code to detect duplicate case
	label targets and count unique case label targets.

2004-11-03  Kazu Hirata  <>

	* cppdefault.c, cppdefault.h, timevar.h: Update copyright.

2004-11-03  Kazu Hirata  <>

	* bitmap.h, dbxout.c, tree-mudflap.c: Fix comment formatting.

2004-11-03  Kazu Hirata  <>

	* tree-cfg.c (find_taken_edge): Abort if we are given a
	statement that is neither COND_EXPR nor SWITCH_EXPR.

2004-11-02  Zdenek Dvorak  <>

	* fold-const.c (fold): Reassociate also (x - mult) + mult and
	(mult - x) + mult.  Cast operands of expression after applying
	distributive law to the correct types.  Apply distributive law
	to a * c - b * c for all non-float types.

2004-11-02  Geoffrey Keating  <>

	* Don't clear STMP_FIXINC or STMP_FIXPROTO just
	because we don't want to run them now; instead, set them to
	stmp-install-fixproto or stmp-install-fixinc.
	* (stmp-install-fixproto): New.
	(stmp-install-fixinc): New.
	* configure: Regenerate.

2004-11-02  Nathan Sidwell  <>

	* flow.c (init_propagate_block_info): Use bitmap_empty_p on result
	of bitmap_xor.

2004-11-02  Ziemowit Laski  <>

	* c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
	(c_types_compatible_p): Move function definition...
	* c-objc-common.c (c_types_compatible_p):
	* c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from

2004-11-02  Steven Bosscher  <>

	* cfgloop.h (struct loop): Update comment.
	* cse.c (cse_main): Remove obsolete comment.

	* expr.h (gen_cond_trap): Move prototype under functions provided
	by optabs.c.
	(canonicalize_condition, get_condition): Move to...
	* rtl.h (canonicalize_condition, get_condition):
	(branch_target_load_optimize): Add comment that this function is
	in bt-load.c.
	* loop.c (canonicalize_condition, get_condition): Move to...
	* rtlanal.c (canonicalize_condition, get_condition):
	* sched-deps.c (get_condition): Rename to sched_get_condition.
	(add_dependence): Update this caller.

2004-11-02  Andrew Pinski  <>

	PR tree-opt/16808
	* tree-ssa.c (replace_immediate_uses): If we call fold_stmt, make sure
	that the vops get marked for renaming.

2004-11-02  Andreas Krebbel  <>

	* config/s390/ ("movcc"): Set type attribute.

2004-11-02  Kazu Hirata  <>

	* tree-phinodes.c (add_phi_arg): Add an assertion that the
	edge already exists.

2004-11-02  Kazu Hirata  <>

	* tree-phinodes.c (remove_phi_arg_num): Do not zero the
	element that's being removed.

2004-11-02  Kazu Hirata  <>

	* tree-ssa-threadupdate.c (copy_phis_to_block): Install PHI
	arguments using PENDING_STMT.
	(thread_block): Call copy_phis_to_block after redirecting an

2004-11-02  Nathan Sidwell  <>

	* bitmap.h (bitmap_and, bitmap_and_into, bitmap_and_compl,
	bitmap_and_compl_into, bitmap_ior, bitmap_iot_into,
	bitmap_ior_compl, bitmap_xor, bitmap_xor_into): Produce void.
	(bitmap_ior_and_compl_into): Produce bool.
	(bitmap_union_of_diff): Rename to ...
	(bitmap_ior_and_compl): ... here. Produce bool.
	* bitmap.c (bitmap_ior_and_compl_into): Return bool. Use
	bitmap_operation directly.
	(bitmap_union_of_diff): Rename to ...
	(bitmap_ior_and_compl): ... here. Return bool, use
	bitmap_operation directly.
	* df.c (df_rd_transfer_function): Use bitmap_ior_and_compl.
	(df_ru_transfer_function, df_lr_transfer_function): Likewise.
	* global.c (modify_bb_reg_pav): Likewise.

	* bitmap.h (bitmap_equal_p): Return bool.
	(bitmap_intersect_p, bitmap_intersect_compl_p): Declare.
	* bitmap.c (bitmap_equal_p): Return bool. Compare directly.
	(bitmap_intersect_p, bitmap_intersect_compl_p): New.
	* flow.c (calculate_global_regs_live): Use bitmap_intersect_p and
	* ifcvt (dead_or_predicable): Likewise.

2004-11-02  Nathan Sidwell  <>

	PR rtl-optimization/17104
	* config/rs6000/rs6000.c (rs6000_emit_move): Don't wrap small
	loads in zero_extend.

2004-11-02  Danny Smith  <>

	PR debug/18242
	* toplev.c (debug_type_names): Remove "dwarf-1".

2004-11-02  Ben Elliston  <>

	* timevar.h (timevar_get): Remove.
	* timevar.c (timevar_get): Remove unused function.

2004-11-02  Joseph S. Myers  <>

	* doc/include/texinfo.tex: Update from Texinfo CVS.

2004-11-02  Ben Elliston  <>

	* cppdefault.h (cpp_SYSROOT): Remove.
	* cppdefault.c (cpp_SYSROOT): Likewise.

2004-11-01  Andrew MacLeod  <>

	PR tree-optimization/16447
	* tree-cfg.c (bsi_commit_one_edge_insert): Rename from
	bsi_commit_edge_inserts_1, and make funtion external.  Return new block.
	(bsi_commit_edge_inserts): Use renamed bsi_commit_one_edge_insert.
	* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Enable listing.
	* tree-flow.h (bsi_commit_one_edge_insert): Extern decl.
	* tree-outof-ssa.c (rewrite_trees): Don't commit edges here.
	(same_stmt_list_p): New.  Return TRUE if edge is to be forwarded.
	(identical_copies_p): New.  Return true is two copies are the same.
	(identical_stmt_lists_p): New.  Return true if stmt lists are the same.
	(analyze_edges_for_bb): New.  Determine how best to insert edge stmts
	for a basic block.
	(perform_edge_inserts): New.  Determine what to do with all stmts that
	have been inserted on edges.
	(remove_ssa_form): Analyze and commit edges from here.

2004-11-01  Andrew Pinski  <>

	PR bootstrap/18232
	* bitmap.h (bmp_iter_end_p): Take a const pointer instead of a struct.
	(EXECUTE_IF_SET_IN_BITMAP): Update call to bmp_iter_end_p.

2004-11-01  Joseph S. Myers  <>

	PR c/18239
	* c-decl.c (get_parm_info): Allow FUNCTION_DECLs to appear amongst
	parameter declarations.

2004-11-01  Andreas Krebbel  <>

	* config/s390/s390.c (regclass_map): Put reg 33 (cc) to CC_REGS group.
	(s390_secondary_output_reload_class): Use GENERAL_REGS to reload a cc
	(s390_expand_cmpmem): Enable cmpmem implementation.
	* config/s390/s390.h (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
	Added three new classes: CC_REGS, ADDR_CC_REGS, GENERAL_CC_REGS.
	(REG_CLASS_FROM_LETTER): New constraint 'c' added.
	* config/s390/ ("movcc"): New insn pattern.
	* doc/md.texi: Document 'c' constraint for s390.

2004-11-01  Nathan Sidwell  <>

	PR c++/18064
	* doc/extend.texi (Deprecated Features): Deprecate G++ covariant

2004-10-16  Daniel Berlin  <>

	Fix PR tree-optimization/17672
	Fix PR tree-optimization/18168

	* lambda-code.c (lambda_lattice_compute_base): Fix reversed
	assert test.
	(gcc_tree_to_linear_expression): Add extra to existing constant.
	(depth_of_nest): Factor out function used in various places.
	(gcc_loop_to_lambda_loop): Clean up code a little bit. No
	functional changes.
	(find_induction_var_from_exit_cond): Stop guessing, and just
	get the right answer :).
	(gcc_loopnest_to_lambda_loopnest): Remove useless pre-allocation.
	Print out message about result of attempt to create perfect nest.
	(lbv_to_gcc_expression): Add type argument, use it to do math
	and induction variable creation.
	(lle_to_gcc_expression): Ditto.
	(lambda_loopnest_to_gcc_loopnest): Create new iv with same type as
	oldiv. Pass type argument to lle_to_gcc_expression and
	Reset number of iterations after transformation.
	(perfect_nestify): Remove useless pre-allocation, and cleanup
	a small amount.

	* tree-data-ref.c (build_classic_dist_vector): Return false for
	dependences completely outside of the loop nest we asked about.
	(build_classic_dir_vector): Ditto.
	(compute_data_dependences_for_loop): Only add dependence relations
	inside the loop we asked about.

	* tree-loop-linear.c (linear_transform_loops): Use DDR_SIZE_VECT.
	Compute immediate uses.

	* tree-optimize.c: Move linear_transform_loops to before ivcanon.

2004-11-01  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Fix a comment typo.

2004-11-01  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Fix a comment typo.

2004-10-31  Nicolas Pitre <>

	* config/arm/ieee754-sf.S (floatdisf): Fix regression with
	values smaller than 2^32.

2004-10-31 Jeff Law  <>

	* cfgloop.h (struct loop): Remove unused "nodes" field.
	* timevar.def (TV_TREE_LOOP_BOUNDS): New.
	* tree-data-ref.c (find_data_references_in_loop): Use get_loop_body
	instead of calling flow_bb_inside_loop_p for every basic block
	in the function.
	* tree-ssa-loop.c (pass_record_bounds): Use TV_TREE_LOOP_BOUNDS.

2004-10-31  Graham Stott <>

	* config/pa/ (prefetch_64, prefetch_32): Fix typo.  Use
	INT_5_BITS instead of VAL_5_BITS_P.

2004-10-31  Roger Sayle  <>

	PR middle-end/14521
	* tree-inline.c (inline_forbidden_p_1): Use %qF instead of '%F'
	for consistent quoting in diagnostic messages.
	(expand_call_inline): Likewise.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	* tree-ssa.c (warn_uninitialized_var): Likewise.
	(warn_uninitialized_phi): Likewise.

2004-10-31  Richard Sandiford  <>

	* config/mips/mips.c (mips_cannot_change_mode_class): Use a stricter
	mode check.

2004-10-31  Kazu Hirata  <>

	* c-common.c: Fix a comment typo.

2004-10-31  Jason Merrill  <>

	PR middle-end/17526
	* tree-gimple.c (is_gimple_mem_rhs): Also require a val for
	aggregate types that are not BLKmode.

2004-10-30  Ziemowit Laski  <>

	* c-common.h (objc_lookup_ivar): Add second parameter to
	* c-typeck.c (build_external_ref): After looking up symbol,
	pass it to objc_lookup_ivar() to decide whether it or the
	ivar should be used, rather than deciding the issue locally.
	* stub-objc.c (objc_lookup_ivar): Add an OTHER parameter,
	which is simply returned in the non-ObjC case.

2004-10-30  Danny Smith  <>

	* sdbout.c (sdbout_symbol): Do not output type .def statements
	for builtin types.

2004-10-30  Gabriel Dos Reis  <>

	* c-common.c (catenate_strings): New.
	(c_parse_error): Use it.  Don't over-escape.

2004-10-30  Kaz Kojima  <>

	* config/sh/sh.c (calc_live_regs): Declare reg as unsigned and
	modify the for loop expressions for it.  Remove unnecessary casts.
	(sh_expand_prologue): Declare reg as unsigned.
	(sh_gimplify_va_arg_expr): Initinalize lab_over.
	(sh_handle_sp_switch_attribute): Add const qualifier appropriately.

2004-10-30  Geoffrey Keating  <>

	* doc/invoke.texi (Darwin Options): Improve description of
	how the subtype is chosen.

2004-10-30  Roger Sayle  <>

	PR middle-end/18096
	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Check that
	the stack adjustment, "size", is valid for Pmode.  If the stack
	frame is too large, generate a trap insn and issue a warning.

2004-10-30  Kazu Hirata  <>

	* tree-ssa-dom.c: Fix comment typos.

2004-10-30  Kaz Kojima  <>

	* config/sh/sh.c (prepare_move_operands): Use operands[0]
	for the output rtl if no_new_pseudos is set.  Remove redundant

2004-10-30  Joseph S. Myers  <>

	PR c/16666
	* c-decl.c (start_function): Don't check for DECL_BUILT_IN when
	determining whether to copy parameter types from a previous
	prototype declaration.

2004-10-29  Roger Sayle  <>

	PR rtl-optimization/17581
	* cselib.c (cselib_process_insn): The last instruction of a libcall
	block, with the REG_RETVAL note, should be considered in the libcall.
	* gcse.c (do_local_cprop): Allow constants to be propagated outside
	of libcall blocks.
	(adjust_libcall_notes): Use simplify_replace_rtx instead of
	replace_rtx to avoid creating invalid RTL in REG_RETVAL notes.

2004-10-30  Kazu Hirata  <>

	* tree-phinodes.c (create_phi_node): Don't zero PHI_REWRITTEN.

2004-10-29 Jeff Law  <>

	* tree-ssa-dom.c (struct edge_info): New structure holding
	edge equivalences and edge redirection information.
	(get_eq_expr_value, record_dominating_conditions): Kill.
	(propagate_to_outgoing_edges): Renamed from cprop_into_phis.
	Call record_edge_info.
	(allocate_edge_info, free_edge_info): New.
	(tree_ssa_dominator_optimize): Use propagate_to_outgoing_edges
	rather than cprop_into_phis.  Free all edge infos before threading
	(thread_across_edge): Allocate new edge info structures as needed
	and store the redirection target into the edge info structure
	instead of the edge's AUX field.
	(dom_opt_initialize_block): Mark unused argument with ATTRIBUTE_UNUSED.
	(record_equivalence_from_incoming_edge): Lose unnecessary argument.
	Revamp code which finds and records equivalences associated with
	edges to use saved data in the edge_info structure.
	(record_equivalencs_from_phis): Similarly.
	(dom_opt_finalize_block): Revamp code which finds and records
	equivalences associated with edges to use saved data in the
	edge_info structure.
	(build_and_record_new_cond): New function.
	(record_conditions): Use build_and_record_new_cond to record
	dominating conditions.
	(record_edge_info): New function.
	(record_range): Tighten test for conditions which create
	useful range records.

2004-10-29  Geoffrey Keating  <>

	* config/i386/darwin.h (ASM_SPEC): Simplify.
	(SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
	* config/rs6000/darwin.h (DARWIN_SUBARCH_SPEC): New.
	(SUBTARGET_EXTRA_SPECS): Add darwin_subarch spec.
	* config/darwin.h (LINK_COMMAND_SPEC): Don't pass -arch here.
	(LINK_SPEC): Do pass -arch here.  Handle -force_cpusubtype_ALL
	in all cases.  Pass the right -arch or -arch_only based on -mcpu.
	(ASM_SPEC): Handle -force_cpusubtype_ALL.
	* doc/invoke.texi (Darwin Options): Improve documentation for
	Darwin linker (and libtool) switches.

	* config/rs6000/darwin-fallback.c: Include <mach/thread_status.h>.

2004-10-29  Stan Shebs  <>

	* config/rs6000/darwin-tramp.asm: Make more 64-bit-friendly.

2004-10-29  Kazu Hirata  <>

	* tree-phinodes.c (allocate_phi_node): New.
	(make_phi_node, resize_phi_node): Use it.

2004-10-29  David Edelsohn  <>

	* config/rs6000/sysv4.h (TARGET_POWER): Define as 0.
	* config/rs6000/darwin.h (TARGET_POWER): Define as 0.

2004-10-29  Kazu Hirata  <>

	* tree-phinodes.c (make_phi_node, resize_phi_node): Don't zero
	the whole PHI node.
	* tree.h (tree_phi_node): Tell the garbage collector to chase
	num_args arguments.

2004-10-29  Richard Earnshaw  <>

	* opts.c (decode_options): Lower the crossjump threshold for -Os.

2004-10-29  Diego Novillo  <>

	* tree.h (struct tree_ssa_name): Remove field 'equiv'.

2004-10-28  Nathan Sidwell  <>

	* bitmap.h (bitmap_empty_p): New.
	(bitmap_and, bitmap_and_into, bitmap_and_compl,
	bitmap_and_compl_into, bitmap_ior, bitmap_ior_into,
	bitmap_ior_compl, bitmap_xor, bitmap_xor_into): New bitmap
	operation macros.
	(bitmap_ior_and_compl): Rename to ...
	(bitmap_ior_and_compl_into): ... here.
	* bitmap.c (bitmap_equal_p): Use bitmap_xor.
	(bitmap_ior_and_compl): Rename to ...
	(bitmap_ior_and_compl_into): ... here. Adjust. Return changed
	(bitmap_union_of_diff): Use renamed bitmap functions.
	* cfgrtl.c (safe_insert_insn_on_edge): Likewise.
	* df.c (df_bb_rd_local_compute)
	* flow.c (calculate_global_regs_live,
	init_propagate_block_info): Likewise.
	* ifcvt.c (find_if_case_1, find_if_case_2,
	dead_or_predicable): Likewise.
	* ra-build.c (union_web_part_roots, livethrough_conflicts_bb,
	reset_conflicts, conflicts_between_webs): Likewise.
	* ra-rewrite.c (reloads_to_loads, rewrite_program2,
	detect_web_parts_to_rebuild): Likewise.
	* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
	* tree-int-ssa.c (insert_phi_nodes_for, rewrite_into_ssa): Likewise.
	* tree-sra.c (decide_instantiations): Likewise.
	* tree-ssa-alias.c (create_name_tags,
	merge_pointed_to_info): Likewise.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
	* tree-ssa-loop-im.c (move_computations): Likewise.
	* tree-ssa-operands.c (get_call_expr_operands): Likewise.
	* tree-ssa-pre.c (fini_pre): Likewise.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
	* tree-ssanames.c (any_marked_for_rewrite_p): Likewise.
	* tree-vectorizer.c (vectorize_loops): Likewise.

2004-10-29  Nick Clifton  <>

	config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): When
	adding the PIC register to the fixed_regs array, also add it
	to the call_used_regs array.

2004-10-29  Eric Botcazou  <>

	* gthr-posix.h (__gthread_recursive_mutex_init_function): Guard
	with #ifdef PTHREAD_MUTEX_RECURSIVE/#endif pairs.

2004-10-28  Daniel Berlin  <>

	* tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
	(rewrite_blocks): Modify argument, and use it to decide which
	function to call.
	(rewrite_def_def_chains): Call rewrite_blocks with true here.
	(rewrite_into_ssa): and call it with false here.

2004-10-29  Kazu Hirata  <>

	* tree-phinodes.c (add_phi_arg): Turn an "if" that always
	triggers into gcc_assert.

2004-10-28  Diego Novillo  <>

	PR tree-optimization/16728
	* tree-flow.h (get_ptr_info): Declare.
	* tree-ssa-alias.c (get_ptr_info): Make extern.
	* tree-ssa-copy.c (merge_alias_info): Merge flow-sensitive
	alias information.

2004-10-28  Stan Shebs  <>

	* config/rs6000/darwin.h (SUBTARGET_EXTRA_SPECS): Handle -m64.
	* config/rs6000/rs6000.c (rs6000_darwin_file_start): Add ppc64

2004-10-28  Frank Ch. Eigler  <>

	* tree-mudflap.c (mudflap_init): Mark cache-lookup decls to
	prevent their later unnecessary registration.
	(mf_build_check_statement_for): Remove "addr" argument, and
	related "__mf_value" generated code.  Update callers.
	(mf_decl_eligible_p): New function, factored from mx_register_decls.
	(mx_register_decls): Call it.
	(mf_xform_derefs_1): Rewrite COMPONENT_REF and ARRAY_REF cases
	to restore support for complex nested expressions.
	(mudflap_enqueue_decl): Simplify.  Move registration call emission
	out ...
	(mudflap_finish_file): ... to here.
	(mudflap_enqueue_constant): Remove dump code.

2004-10-28  Zack Weinberg  <>

	PR 18199
	* dbxout.c (dbxout_begin_complex_stabs_noforcetext): New function.
	(DBX_FINISH_STABS): Add (unused by default) SYM parameter.
	(dbxout_finish_complex_stabs): Update to match.
	(dbxout_symbol_location): Call emit_pending_bincls_if_required
	* xcoffout.h (DBX_FINISH_STABS): Restore special case for
	N_GSYM, using new SYM parameter.  Correct logic for special
	cases for N_FUN.

	* varasm.c (function_section): If DECL is NULL_TREE, don't try
	to do anything else.  Do not call get_insns if cfun or
	cfun->emit are NULL.

2004-10-28  Adam Nemet  <>

	PR middle-end/18160
	* c-typeck.c (c_mark_addressable): Issue error if address of a
	register variable is taken.  Use "%qD" to print DECL_NAME.

2004-10-28  Diego Novillo  <>

	* opts.c (decode_options): Don't run PRE at -Os.

2004-10-28  Richard Henderson  <>

	* config/alpha/ (movqicc_internal): Allow exactly one
	zero in the conditional.
	(movhicc_internal, movsicc_internal, movdicc_internal): Likewise.

2004-10-28  Richard Henderson  <>

	* cse.c (memory_extend_rtx): Remove.
	(cse_main): Don't set it.
	(cse_insn): Use a local buffer instead.

2004-10-28  Andreas Krebbel  <>

	* profile.c (branch_prob): Call to init_edge_profiler added.
	* rtl-profile.c (rtl_init_edge_profiler): New function.
	(rtl_gen_edge_profiler): Replaced call to insert_insn_on_edge with
	call to safe_insert_insn_on_edge.
	(rtl_profile_hooks): rtl_init_edge_profiler added.
	* tree-profile.c (tree_init_edge_profiler): New function.
	(tree_profile_hooks): tree_init_edge_profiler added.
	* value-prof.h (profile_hooks) init_edge_profiler prototype added.

2004-10-28  Nick Clifton  <>

	* config/iq2000/iq2000.c (iq2000_expand_epilogue): Use
	emit_jump_insn() to generate the return instruction.

2004-10-28  Kazu Hirata  <>

	* tree-phinodes.c: Remove trailing whitespace.

2004-10-28  Kazu Hirata  <>

	* tree-ssa-loop-ivopts.c: Fix a comment typo.
	* doc/invoke.texi: Fix a typo.

2004-10-28  Kazu Hirata  <>

	* (OBJS-common): Remove duplicates.

2004-10-28  Kazu Hirata  <>

	* lambda-code.c (nestify_update_pending_stmts): Remove.
	(perfect_nestify): Use flush_pending_stmts instead of
	* tree-cfg.c (tree_make_forwarder_block): Use
	* tree-flow.h: Add a prototype for flush_pending_stmts.
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
	Use flush_pending_stmts.
	(lv_update_pending_stmts): Remove.
	(tree_ssa_loop_version): Use flush_pending_stmts instead of
	* tree-ssa.c (flush_pending_stmts): New.

2004-10-28  Ulrich Weigand  <>

	PR target/15286
	* final.c (alter_subreg): Compute correct offset to use with
	paradoxical SUBREGs of memory operands.
	* recog.c (general_operand): Allow paradoxical SUBREGs of
	memory operands after reload.
	* simplify-rtx.c (simplify_gen_subreg): Fail if simplify_subreg
	has failed when passed a hard register.

2004-10-28  Aldy Hernandez  <>

	* function.c (assign_parm_setup_block): Handle parallels correctly.

2004-10-28  Kaz Kojima  <>

	* final.c (shorten_branches): Initialize flags structure.

2004-10-28  Nathan Sidwell  <>

	* tree.c (int_cst_node, int_cst_hash_table): New variables.
	(init_ttree): Initialize them.
	(int_cst_hash_hash, int_cst_hash_eq): New hashing functions.
	(build_int_cst_wide): Use hash table for oversized integers.

2004-10-28  Nick Clifton  <>

	* config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Define

2004-10-27  Richard Henderson  <>

	PR middle-end/18163
	* expr.c (emit_group_load): Don't go force temporary for memory
	or concat source.
	(emit_group_store): Similarly.

2004-10-27  Andrew Pinski  <>

	PR other/18186
	* common.opt (--param): Fix spelling of parameter.

2004-10-27  Andrew Pinski  <>

	PR tree-opt/17529
	* tree-cfg.c (remove_useless_stmts_1) <case SWITCH_EXPR>:
	Don't fold statement.
	<case ASM_EXPR>: Fold the statement.

2004-10-28  Kazu Hirata  <>

	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary)

2004-10-28  Joseph S. Myers  <>

	* doc/contrib.texi, doc/cpp.texi, doc/cppopts.texi,
	doc/extend.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
	doc/libgcc.texi, doc/md.texi, doc/passes.texi,
	doc/sourcebuild.texi, doc/tm.texi: Improve Texinfo formatting.

2004-10-28  Joseph S. Myers  <>

	* doc/c-tree.texi, doc/cpp.texi, doc/implement-c.texi,
	doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/tm.texi: Put
	punctuation outside quotes.

2004-10-27  David Mosberger  <>
	    James E Wilson  <>

	PR target/13158
	* config/ia64/ia64.c (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on
	sibcall alloc instruction.
	(process_set): Handle sibcall alloc instruction.

2004-10-27  Geoffrey Keating  <>

	* config/rs6000/rs6000.c (rs6000_attribute_table): Add
	* config/darwin.h (ASM_WEAKEN_DECL): Handle weak_import.
	* config/darwin.c (darwin_handle_weak_import_attribute): New.
	(no_dead_strip): Don't test HAVE_DEAD_STRIP.
	* config/darwin-protos.h (darwin_handle_weak_import_attribute):

	* doc/tm.texi (USE_SELECT_SECTION_FOR_FUNCTIONS): Document.

	* config/darwin.h (GTHREAD_USE_WEAK): Define.

2004-10-28  Ben Elliston  <>

	* params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): New.
	* params.h (SRA_MAX_STRUCTURE_SIZE): New.
	* tree-sra.c: Include "params.h".
	(decide_block_copy): Use new parameters.
	* doc/invoke.texi (Optimize Options): Document new SRA pass
	parameters sra-max-structure-size and sra-field-structure-ratio.

2004-10-27  Nicolas Pitre <>

	* config/arm/ieee754-df.S (floatdidf): Fix regression with big values.

2004-10-27  Zdenek Dvorak  <>

	PR tree-optimization/18048
	* fold-const.c (try_move_mult_to_index): New function.
	(fold): Use try_move_mult_to_index.
	* tree-ssa-loop-ivopts.c (try_add_cand_for): Prefer common candidates.
	* tree-ssa-loop-niter.c (number_of_iterations_cond): Produce
	an all-ones unsigned constant without extra bits.
	* tree.c (build_low_bits_mask): New function.
	* tree.h (build_low_bits_mask): Declare.

2004-10-27  David Edelsohn  <>

	PR target/17956
	* config/rs6000/ (maxsf3): Add !flag_trapping_math to
	final condition.
	(minsf3): Same.
	(maxdf3): Same.
	(mindf3): Same.

2004-10-27  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Speed up by reordering the two
	conditions for entering basic blocks into worklist.

2004-10-27  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Speed up by pretending to have
	ENTRY_BLOCK_PTR in worklist.

2004-10-27  Kazu Hirata  <>

	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary)
	<GOTO_EXPR>: Don't let an explicit GOTO_EXPR slip through.

2004-10-27  Daniel Berlin <>

	Fix PR tree-optimization/17133

	* tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
	def kill operand.

	* tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
	(get_v_must_def_result_ptr): Modify for new structure of
	v_must_defs array.
	(get_v_must_def_kill_ptr): New.
	(op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
	(op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
	(op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
	(op_iter_init): Initialize new mustu members.
	(op_iter_next_mustdef): New function.
	(op_iter_init_mustdef): Ditto.

	* tree-flow.h (rewrite_def_def_chains): New function.

	* tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
	(ssa_mark_def_sites): Ditto.
	(rewrite_stmt): Ditto.
	(ssa_rewrite_stmt): Ditto.
	(rewrite_blocks): Factor out from rewrite_into_ssa.
	(mark_def_block_sites): Ditto.
	(rewrite_def_def_chains): New function, just rewrites def-def
	chains without phi node insertion.

	* tree-pass.h (TODO_fix_def_def_chains): New todo flag.

	* tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.

	* tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
	they include the rhs now.

	* tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became

	* tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
	Update callers.
	(mark_really_necessary_kill_operand_phis): New function.
	(perform_tree_ssa_dce): Call it.
	(pass_dce): Add TODO_fix_def_def_chains.
	(pass_cd_dce): Ditto.

	* tree-ssa-loop-im.c (determine_max_movement): Look at kills as
	(rewrite_mem_refs): Ditto.

	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
	as well.

	* tree-ssa-operands.c (allocate_v_may_def_optype):
	v_may_def_operand_type_t became v_def_use_operand_type_t.
	(allocate_v_must_def_optype) Ditto.
	(finalize_ssa_v_must_defs): Update for new operand type, as well
	as setting the use portion as well.
	(copy_virtual_operands): Copy the kill operand as well.
	(create_ssa_artficial_load_stmt): V_MUST_DEF_OP became

	* tree-ssa-operands.h (v_may_def_operand_type): Renamed to
	(v_must_def_optype_d): Use v_def_use_operand_type.
	(V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
	(V_MUST_DEF_KILL_*): New macros.
	(struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
	Rename existing must_i and num_v_must members to mustd_i and
	(SSA_OP_ALL_KILLS): New flag.

	* tree-ssa.c (verify_ssa): Verify virtual kills as well.

	* tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
	(rename_variables_in_bb): Rename kill pointer as well.

	* tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
	immediate uses.

2004-10-27  Richard Sandiford  <>

	* dbxout.c (dbxout_source_line): Move declaration of begin_label to
	the block that needs it.

2004-10-27  Zack Weinberg  <>

	* dbxout.c (dbxout_finish_complex_stabs): Mark 'line' variable

2004-10-27  Zack Weinberg  <>

	* c-lex.c (cb_def_pragma): Clean up code for making location
	palatable to diagnostic.c.

2004-10-27  Steven Bosscher  <>

	PR tree-optimization/17757
	* tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
	without any PHI arguments left.  Make sure the argument that
	we're supposed to remove exists at all.

2004-10-27  Paul Brook  <>

	* Don't test for [build] __cxa_atexit when building a
	cross compiler.
	* configure: Regenerate.

2004-10-27  Paul Brook  <>

	* Use build_exeext not host_exeext when lookin for
	target tools.
	* configure: Regenerate.

2004-10-27  Andreas Krebbel  <>

	* config/s390/ ("*subdf3_cc"): Replaced plus by minus.

2004-10-27  Andreas Krebbel  <>
	    patch originally created by Kelley Cook  <>

	PR middle-end/14684
	* opts.c (OPT_fprofile_generate): Default to -funroll-loops
	to match -fprofile-use.

2004-10-27  Kazu Hirata  <>

	* config/rs6000/rs6000.c: Fix a comment typo.

2004-10-27  Zack Weinberg  <>

	* config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Increment line

2004-10-27  Andreas Schwab  <>

	* varasm.c (default_stabs_asm_out_destructor): Mark symbol as
	(default_stabs_asm_out_constructor): Likewise.

2004-10-26  Geoffrey Keating  <>

	* builtins.c (fold_builtin_unordered_cmp): Always bring both
	operands to the same type.

2004-10-26  James E Wilson  <>

	PR target/18010
	* emit-rtl.c (emit_copy_of_insn_after): Copy RTX_FRAME_RELATED_P.

2004-10-26  Zack Weinberg  <>

	* dbxout.c: Include obstack.h.
	(ASM_STABS_OP): Take XCOFF_DEBUGGING_INFO into account in
	default definition.
	Default-define here.
	(DBX_CONTIN_LENGTH): Move definition with others.
	(DBX_FINISH_STABS): New target macro.
	(current_sym_code, current_sym_value, current_sym_addr)
	(current_sym_nchars, CHARS, dbxout_continue)
	(print_int_cst_octal, print_octal, print_wide_int)
	(dbxout_prepare_symbol, dbxout_finish_symbol): Delete.
	(stabstr_ob, stabstr_last_contin_point): New variables.
	(NUMBER_FMT_LOOP): New improper macro.
	(dbxout_int, dbxout_stab_value_zero, dbxout_stab_value_label)
	(dbxout_stab_value_label_diff, dbxout_stab_value_internal_label)
	(dbxout_stab_value_internal_label_diff, dbxout_stabd)
	(dbxout_begin_stabn, dbxout_begin_stabn_sline)
	(dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc)
	(dbxout_begin_complex_stabs, dbxout_finish_complex_stabs)
	(stabstr_C, stabstr_S, stabstr_I, stabstr_D, stabstr_U, stabstr_O)
	(stabstr_continue, DECL_ACCESSIBILITY_CHAR)
	New functions and/or proper function-like macros.
	(CONTIN): Use stabstr_continue, unconditionally.
	(get_lang_number): Define unconditionally, with ATTRIBUTE_UNUSED.
	(dbxout_init): Initialize stabstr_ob.  Check
	NO_DBX_MAIN_SOURCE_DIRECTORY.  Only write out the Ltext label
	if it was used.  Use the new interfaces.
	(dbxout_source_file): Remove file argument; always write to
	asm_out_file.  Use the new interfaces.
	(dbxout_type_method_1): Remove second argument which is always
	DECL_ASSEMBLER_NAME of the first argument.  Use the new interfaces.
	(dbxout_type_methods): Remove write-only variables.  Use the
	new interfaces.
	(dbxout_parms): Refactor to remove code duplicated in each of
	several successive if-else-if blocks.  Use the new interfaces.
	(dbxout_function_end, emit_bincl_stab, dbxout_end_source_file)
	(dbxout_source_line, dbxout_finish, dbxout_type_index)
	(dbxout_type_fields, dbxout_range_type, dbxout_type, dbxout_type_name)
	(dbxout_class_name_qualifiers, dbxout_symbol, dbxout_symbol_location)
	(dbxout_symbol_name, dbxout_reg_parms, dbxout_args)
	(dbx_output_lbrac, dbx_output_rbrac, dbxout_block):
	Use the new interfaces.
	* (dbxout.o): Update dependencies.

	* defaults.h: Don't define ASM_STABD_OP.
	* output.h: Prototype new dbxout_* interfaces.
	* varasm.c: Don't define ASM_STABS_OP.
	(default_stabs_asm_out_constructor, default_stabs_asm_out_destructor):
	Use the new dbxout.c interfaces.  Call sorry if neither

	* xcoffout.h: Don't define ASM_STABS_OP.
	(DBX_OUTPUT_MAIN_SOURCE_FILE_END): Change bare block to
	do { ... } while (0) idiom.

	* config/alpha/alpha.c (num_source_filenames): Export.
	* config/alpha/alpha.h (num_source_filenames): Declare.
	(DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
	(SDB_OUTPUT_SOURCE_LINE): Add missing newline.
	* config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
	Always use .debugsym.  Update commentary.
	* config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
	(SDB_OUTPUT_SOURCE_LINE): Add missing newline.
	* config/rs6000/linux64.h (DBX_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC):
	Use new interfaces.
	* config/rs6000/rs6000.c: If TARGET_MACHO, include gstab.h.
	(macho_branch_islands): Use new interfaces.

	* doc/tm.texi: Update.

2004-10-26  Aldy Hernandez  <>

	* expr.c (emit_group_store): Do not treat floats as BLKmode.
	(emit_group_load): Same.

2004-10-26  Joseph S. Myers  <>

	* (datadef): Use pedwarn rather than error and warning
	for diagnostic in case of no declaration specifiers.

2004-10-26  Richard Sandiford  <>

	PR bootstrap/15747
	* doc/install.texi (mips-sgi-irix5): Document that /bin/sh has been
	reported to hang during bootstrap and that CONFIG_SHELL=/bin/ksh
	can be used to work around this.

2004-10-26  Aldy Hernandez  <>

	* config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Adjust for e500

2004-10-26  Kazu Hirata  <>

	* stmt.c (expand_case): Update a comment.

2004-10-26  Kazu Hirata  <>

	* stmt.c (expand_case): Put an assertion that index_expr is
	never INTEGER_CST.  Don't special case for constant

2004-10-26  Andrew Pinski  <>

	PR 18162
	* (designator): Finish with a semi-colon.

2004-10-26  Fariborz Jahanian <>

	* config/rs6000/ (andsi3_internal8): Set CR when splitting
	into rotlsi3.

2004-10-26  Kazu Hirata  <>

	* stmt.c (expand_case): Remove code to handle SWITCH_EXPR with
	a default case only.

2004-10-26  Aldy Hernandez  <>

	* config/rs6000/rs6000.c (rs6000_hard_regno_nregs): Adjust for
	e500 doubles.
	(spe_build_register_parallel): New.
	(rs6000_spe_function_arg): Handle e500 doubles.
	(function_arg): Same.
	(spe_func_has_64bit_regs_p): Same.
	(rs6000_function_value): Same.
	(rs6000_libcall_value): Same.
	(legitimate_lo_sum_address_p): Return false for e500 doubles.

	* config/rs6000/rs6000.h (LOCAL_ALIGNMENT): Adjust for e500

2004-10-26  Aldy Hernandez  <>

	* expr.c (emit_group_load): Handle floats.
	(emit_group_store): Same.

2004-10-26  Nathan Sidwell  <>

	* c-lex.c (get_nonpadding_token): Remove.
	(c_lex_with_flags): Push timevar and eat padding here.  Improve
	stray token diagnostic.
	(lex_string): Replace logic with switch statement, eat padding
	token here.

2004-10-26  Geoffrey Keating  <>

	PR 18149
	* config/i386/darwin.h (ASM_SPEC): Undef it before defining.

2004-10-25  Geoffrey Keating  <>

	* config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
	to 'non-weak'.
	(TEXT_SECTION_ASM_OP): Add a tab.
	(SECTION_FUNCTION): Add a tab.  Use fputs.  Don't call
	data_section on every section change.
	(EXTRA_SECTIONS): Add a bunch of new extra sections.
	* config/darwin.c (darwin_encode_section_info): A symbol is defined
	in this file if it is not weak.
	(textcoal_section): Delete.
	(datacoal_section): Delete.
	(darwin_make_decl_one_only): Delete.
	(machopic_select_section): Handle functions.
	(darwin_asm_named_section): Add a tab.
	(darwin_section_type_flags): Delete.
	(darwin_unique_section): Delete contents.
	(darwin_emit_unwind_label): Add a tab.  Make decls weak if
	DECL_WEAK is set.
	* config/darwin-protos.h (darwin_section_type_flags): Delete.
	(darwin_make_decl_one_only): Delete.
	(text_coal_section): New.
	(text_unlikely_section): New.
	(text_unlikely_coal_section): New.
	(const_coal_section): New.
	(data_coal_section): New.
	(const_data_coal_section): New.
	* varasm.c (function_section): Honour
	* dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
	* dbxout.c (dbxout_source_file): Don't change sections while
	a function is being output.

2004-10-25  David Ayers  <>

	* c-common.h: Remove RID_ID.
	* Remove OBJECTNAME and references to RID_ID.
	(typespec_reserved_attr): Add rule for TYPENAME
	(yylexname): Remove special handling of RID_ID.

2004-10-25  James E Wilson  <>

	* doc/invoke.texi (-fcrossjumping): Not enabled at -O.

2004-10-25  Joseph S. Myers  <>

	PR c/16667
	* (array_designator): New.
	(designator): Use it.
	(initelt): Only permit array_designator without '=', not ".foo".

2004-10-25  Kenneth Zadeck <>
	* removed ggc for cgraphunit.
	* cgraph.c.dump_cgraph_node: removed static var analysis.
	* cgraph.h: removed static var analysis data structures and calls.
	* cgraphunit.c:
	cgraph_mark_local_and_external_functions:changed name to
	(cgraph_optimize,init_cgraph): removed calls to static vars analysis
	* tree-dfa.c find_referenced_vars: removed call to static vars
	* tree-flow.h static_vars_info: removed
	* tree-ssa-operands.c (add_call_clobber_ops,add_call_read_ops):
	removed calls to static vars analysis.
	get_call_expr_operands: removed callee variable.

2004-10-25  Kazu Hirata  <>

	* cfg.c (unchecked_make_edge, redirect_edge_succ,
	redirect_edge_pred): Use VEC_safe_push instead of
	* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.

2004-10-25  Kazu Hirata  <>

	* cfgloopmanip.c (loopify): Take two more arguments true_edge
	and false_edge.
	* cfgloop.h: Adjust the corresponding prototype.
	* loop-unswitch.c (unswitch_loop): Adjust a call to loopify.
	* tree-ssa-loop-manip.c (tree_ssa_loop_version): Likewise.

2004-10-25  Jakub Jelinek  <>

	* dwarf2out.c (rtl_for_decl_location): Avoid segfault if

2004-10-25  Steven Bosscher  <>

	* timevar.def (TV_FIND_REFERENCED_VARS): New.
	* tree-dfa.c (pass_referenced_var): Use it.

2004-10-25  Roger Sayle  <>
	    John David Anglin  <>

	* cse.c: Change encoding of quantity numbers to avoid undefined
	pointer arithmetic on qty_table.
	(REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative.
	(get_cse_reg_info): Initialize reg_qty to a unique negative value.
	(new_basic_block): Assign "real" quantity numbers from zero.
	(delete_reg_equiv): Do nothing if quantity is invalid.  Reset the
	REG_QTY to its unique negative value.
	(merge_equiv_classes): Calculate need_rehash if quantity is valid.
	(cse_main): Don't include max_reg when determining max_qty.
	(cse_basic_block): Avoid subtracting a large offset from qty_table,
	which causes undefined C99 behaviour.  Only allocate needed memory.

2004-10-25  Kazu Hirata  <>

	* stmt.c (expand_case): Remove an obsolete comment.

2004-10-25  Andrew Pinski  <>

	PR middle-end/17407
	* c-decl.c (grokdeclarator) <case cdk_array>: Remove the call
	layout_type as it is already done by build_array_type.
	* tree.c (build_array_type): Layout the type even

2004-10-25  Alexandre Oliva  <>

	* config/frv/linux.h (TARGET_C99_FUNCTIONS): Define to 0.

2004-10-25  Alexandre Oliva  <>

	* config/frv/ (movdi, movdf): Handle wide-constant splits
	with wider-than-32-bit HOST_WIDE_INTs.

2004-10-25  David Billinghurst <>

	* config/mips/mips.c(mips_output_filename): Remove unused
	array ltext_label_name

2004-10-24  Geoffrey Keating  <>

	* config/rs6000/darwin.h (BLOCK_REG_PADDING): Define.

2004-10-25  Ben Elliston  <>

	* cfgcleanup.c (outgoing_edges_match): Fix typo in dump output.

2004-10-23  Andrew Pinski  <>

	* predict.c (predict_loops): Call scev_finalize instead of

2004-10-24  Kazu Hirata  <>

	* config/dbxcoff.h, config/dbxelf.h, config/libgloss.h,
	config/openbsd.h, config/mips/r3900.h, config/pdp11/,
	config/sh/ushmedia.h, config/sparc/elf.h,
	config/sparc/sp64-elf.h: Update copyright.

2004-10-24  Kazu Hirata  <>

	* stmt.c (expand_case): Handle the default label outside of
	the for loop.  Remove code to handle a missing default label.

2004-10-23  Kazu Hirata  <>

	* dbxout.c (dbxout_function_decl): Don't use
	* system.h: Poison DBX_OUTPUT_FUNCTION_END.
	* doc/tm.texi (DBX_OUTPUT_FUNCTION_END): Remove.

2004-10-23  Andrew Pinski  <>

	PR middle-end/17967
	* tree-cfg.c (remove_usless_stmts_cond): Don't Fold statement.

2004-10-23  Daniel Berlin  <>

	* tree-ssa-dom.c (record_equality): Use loop depth to determine
	which way to record the equality as well.
	(loop_depth_of_name): New function.

2004-10-23  Eric Botcazou  <>

	PR middle-end/17793
	* gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
	through the operand if it is a useless type conversion.

2004-10-23  Ben Elliston  <>

	* cfg.c (remove_edge): Use VEC_unordered_remove.
	(redirect_edge_succ): Likewise.
	(redirect_edge_pred): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.

2004-10-22  Kazu Hirata  <>

	* sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Don't access PTR
	beyond its end.

2004-10-22  Eric Christopher  <>

	* config/rs6000/rs6000.c (setup_incoming_varargs): Align DFmode

2004-10-22  Aldy Hernandez  <>

	* config/rs6000/ (spe_extendsfdf2): New.
	(movdf_e500_double): New.
	(spe_truncdfsf2): New.
	(spe_absdf2): New.
	(spe_nabsdf2): New.
	(spe_negdf2): New.
	(sub_adddf3): New.
	(spe_subdf3): New.
	(spe_muldf3): New.
	(spe_floatsidf2): New.
	(spe_floatunssidf2): New.
	(fix_truncdfsi2): New.
	(spe_fixuns_truncdfsi2): New.

	* config/rs6000/ (truncdfsf2): Change to expander.
	(fpr_truncdfsf2): New.
	(negdf2): Change to expander.
	(fpr_negdf2): New.
	(fpr_nabsdf2): Name pattern.
	(adddf3): Change to expander.
	(fpr_adddf3): Nem.
	(subdf3): Change to expander.
	(fpr_subdf3): New.
	(muldf3): Change to expander.
	(fpr_muldf3): New.
	(divdf3): Change to expander.
	(fpr_divdf3): New.
	(movdf_softfloat32): Change !TARGET_FPRS to TARGET_E500_SINGLE.
	(cmpdf): Allow for TARGET_E500_DOUBLE.

2004-10-22  Kazu Hirata  <>

	* c-semantics.c (re_push_stmt_list): Remove.
	* c-common.h: Remove the corresponding prototype.

2004-10-22  Kazu Hirata  <>

	* stmt.c (asm_op_is_mem_input): Remove.
	* tree.h: Remove the corresponding prototype.

2004-10-22  Kazu Hirata  <>

	* tree-gimple.c (is_gimple_constructor_elt): Remove.
	* tree-gimple.h: Remove the corresponding prototype.

2004-10-22  Kazu Hirata  <>

	* varasm.c (get_pool_mode_for_function, get_pool_offset):
	* rtl.h: Remove the corresponding prototypes.

2004-10-22  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps_from_bb): Speed up by extracting
	edge information when we commit ourselves to threading a
	particular jump.

2004-10-22  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Speed up by putting basic blocks
	into worklist instead of their indexes.

2004-10-22  Kazu Hirata  <>

	* alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
	final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
	lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
	pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
	tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
	tree-scalar-evolution.c, tree-ssa-dom.c,
	tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
	tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
	tree-vectorizer.c, vec.h: Fix comment formatting.

2004-10-22  Kazu Hirata  <>

	* dwarf.h, gthr-dce.h, gthr-single.h, gthr-solaris.h, gthr.h,
	libfuncs.h, libgcc2.h, stab.def, tsystem.h: Update copyright.

2004-10-22  Kazu Hirata  <>

	* config/ptx4.h, config/mcore/mcore-pe.h,
	config/rs6000/eabi.h, config/vax/elf.h: Update copyright.

2004-10-22  Peter Barada <>

	* config/m68k/m68k.h (HARD_REGNO_RENAME_OK): New macro.
	* config/m68k/m68k.c (m68k_hard regno_rename_ok): Disallow
	renaming of non-live registers in interrupt functions.
	* config/m68k/m68k-protos.h (m68k_hard_regno_rename_ok): Add prototype.

2004-10-22  Zdenek Dvorak  <>

	* tree-ssa-loop-niter.c (inverse): Count in HOST_WIDE_INT if possible.
	Use integer for loop counter.
	(num_ending_zeros): New function.
	(number_of_iterations_cond): Use num_ending_zeros.

2004-10-21  Aldy Hernandez  <>

	* config.gcc: Add support for --enable-e500_double.

	* config/rs6000/e500-double.h: New file.

	* config/rs6000/rs6000.h: Define TARGET_E500_SINGLE and

	* config/rs6000/eabi.h: Define TARGET_E500_SINGLE and

	* config/rs6000/linuxspe.h: Same.

	* doc/invoke.texi (Option Summary): Document new options for
	(RS/6000 and PowerPC Options): Same.

	* config/rs6000/rs6000.c (rs6000_parse_float_gprs_option): New
	(rs6000_override_options): Use it.  Use
	Add 8548 to processor_target_table.
	(rs6000_legitimate_address): Handle e500 doubles.
	(rs6000_legitimize_address): Same.
	(rs6000_legitimize_reload_address): Same.
	(rs6000_hard_regno_nregs): Same.
	(spe_func_has_64bit_regs_p): Same.
	(emit_frame_save): Same.
	(gen_frame_mem_offset): Same.
	(rs6000_dwarf_register_span): Same.
	(rs6000_generate_compare): Same.
	(easy_fp_constant): Same.
	(legitimate_offset_address_p): Same.

	* config/rs6000/ (cmdfeq_gpr): New.
	(tstdfeq_gpr): New.
	(cmpdfgt_gpr): New.
	(tstdfgt_gpr): New.
	(tstdfgt_gpr): New.
	(cmpdflt_gpr): New.
	(tstdflt_gpr): New.
	Add new constants.

2004-10-21  Giovanni Bajo  <>

	* config/arc/lib1funcs.asm (___umulsidi3): Fix typo.

2004-10-21  Zack Weinberg  <>

	* dbxout.c: Remove unnecessary #undefs.
	definition into use sites.
	(cwd): Make local to dbxout_init.
	(dbxout_init): Restructure cwd-using logic for clarity.  Use
	* xcoffout.h (DBX_OUTPUT_GCC_MARKER): Definition of
	STABS_GCC_MARKER folded in here.
	* system.h: Poison now-unused macros.
	* doc/tm.texi: Remove documentation of now-unused macros.

2004-10-21  Andrew Pinski  <>

	PR c/17538
	* c-opts.c (push_command_line_include): Use the current file
	name instead of the main one.

2004-10-21  Andrew Pinski  <>

	PR objc/17923
	* tree.c (staticp): A CONST_DECL has static storage if either
	* c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
	have null names.

2004-10-21  Kazu Hirata  <>

	* expr.c (store_expr): Remove dont_store_target.

2004-10-21  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Speed up by using a worklist.

2004-10-21  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Move a part of it to ...
	(thread_jumps_from_bb): ... here.

2004-10-21  David Edelsohn  <>

	* dbxout.c (DBX_FINISH_SYMBOL): Add asm_out_file argument.
	* xcoffout.h (DBX_FINISH_SYMBOL): Change asmfile to (ASMFILE).

2004-10-21  Kazu Hirata  <>

	* expr.c (store_expr): Clean up by renaming want_value to

2004-10-21  Kaz Kojima  <>

	* config/sh/linux-unwind.h (sh_fallback_frame_state): Don't
	fixup pc here.

2004-10-21  Aldy Hernandez  <>

	PR 18004.
	* expmed.c (store_bit_field): Pass original 'value' before

2004-10-21  Nicolas Pitre <>

	* config/arm/ieee754-sf.S: Large speed improvements. Fix NAN handling.
	* config/arm/ieee754-df.S: Ditto.

2004-10-20  Zack Weinberg  <>

	* dbxout.c (asmfile): Delete.  All uses changed to asm_out_file.
	Default to 0.
	(dbxout_source_line): Use DBX_OUTPUT_SOURCE_LINE when defined.
	When it is not, but DBX_LINES_FUNCTION_RELATIVE is true, emit
	an internal label and an N_SLINE .stabn whose value is the
	difference between that label and the function entry label.
	(dbxout_finish): If DBX_OUTPUT_MAIN_SOURCE_FILE_END is not defined,
	label and an N_SO stab with an empty string referring to it.
	(dbx_output_lbrac, dbx_output_rbrac): Use if statement instead
	of #ifdef directive to test DBX_BLOCKS_FUNCTION_RELATIVE.
	(dbxout_type_methods, dbxout_symbol): Remove #if 0 block.
	(dbxout_prepare_symbol): Remove #ifdef WINNING_GDB block, this
	macro is never defined.
	* sdbout.c (sdbout_source_line_counter): Delete.
	(PUT_SDB_SRC_FILE): Delete.  Uses replaced with sole definition.
	(sdbout_source_line): Use SDB_OUTPUT_SOURCE_LINE, which takes
	only two arguments.

	* config/dbxcoff.h, config/dbxelf.h: Remove unncessary #undefs.
	* config/c4x/c4x.h, config/pa/pa.h: Remove unnecessary macro
	definitions (identical to default).
	* config/darwin.h, config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
	* config/h8300/coff.h, config/pa/som.h, config/sh/elf.h:
	* config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
	* config/mcore/mcore-pe.h, config/pa/som.h, config/sh/elf.h:
	* config/alpha/alpha-protos.h: Don't prototype alpha_output_lineno.
	* config/alpha/alpha.c: Move declaration of num_source_filenames up.
	(alpha_start_function): Use SDB_OUTPUT_SOURCE_LINE.
	(sym_lineno): Delete.
	(alpha_output_filename): Do not emit N_SOL stabs here.  Remove
	now-unused variable.
	(alpha_output_lineno): Delete.
	* config/mips/mips-protos.h: Don't prototype mips_output_lineno.
	* config/mips/mips.c (mips_output_filename): Don't use
	ASM_OUTPUT_FILENAME. Don't emit N_SOL stabs here.
	(mips_output_lineno): Delete.
	(mips_output_function_prologue: Use SDB_OUTPUT_SOURCE_LINE.
	* config/alpha/alpha.h: Define DBX_OUTPUT_SOURCE_LINE and
	* config/mips/mips.h: Likewise.  Don't define ASM_OUTPUT_FILENAME.
	* config/mips/sdb.h: Use SDB_OUTPUT_SOURCE_LINE.
	* config/avr/avr.h: Don't define ASM_OUTPUT_SOURCE_LINE.
	* config/mmix/mmix.h: Likewise.
	* config/mmix/mmix.c (mmix_asm_output_source_line): Delete.
	* config/mmix/mmix-protos.h: Don't prototype it.
	* config/alpha/unicosmk.h: Also #undef PREFERRED_DEBUGGING_TYPE;
	no need to #undef ASM_OUTPUT_SOURCE_LINE.
	* config/arm/aout.h: Remove RISCiX-specific definition of
	* config/m32r/m32r.h: Define DBX_OUTPUT_SOURCE_LINE, not
	* config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Rename to
	DBX_OUTPUT_SOURCE_LINE.  Don't use current_function_func_begin_label.
	* config/vax/elf.h: No need to define DBX_OUTPUT_FUNCTION_END.

	* doc/tm.texi: Update.

2004-10-20  Richard Henderson  <>

	* tree-sra.c (instantiate_element): Copy DECL_IGNORED_P also.

2004-10-20  Kelley Cook  <>

	* Revert my previous patch.
	* configure: Regenerate.

2004-10-20  Ben Elliston  <>

	* config/rs6000/rs6000.c
	(rs6000_va_start): Use build_va_arg_indirect_ref.
	(rs6000_gimplify_va_arg): Likewise.

2004-10-20  Bryce McKinlay  <>

	PR java/15575
	* aclocal.m4: Define AM_LANGINFO_CODESET.
	* configure, Rebuilt.

2004-10-20  Kazu Hirata  <>

	* expr.c (store_expr): Remove code that is run when
	want_value & 1 is nonzero.

2004-10-20  Mark Mitchell  <>

	* gthr-posix.h (__gthread_active_p): Use __extension__ around cast
	from function pointer to void *.

2004-10-20  Kaz Kojima  <>

	PR target/18032
	* config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
	the frame pointer adjustment when exception handling is enabled.

2004-10-20  Kazu Hirata  <>

	* stor-layout.c: Fix a comment typo.

2004-10-20  Kazu Hirata  <>

	* expr.c (store_field): Remove two arguments value_mode and
	(expand_assignment, store_constructor_field,
	expand_expr_real_1): Adjust calls to store_field.

2004-10-18  Ramana Radhakrishnan  <>

	* config/arc/lib1funcs.asm (___umulsidi3): Correct usage of flags.

	PR target/17317
	* config/arc/arc.h (REGNO_OK_FOR_BASE_P,REGNO_OK_FOR_INDEX_P,
	REG_OK_FOR_BASE, REG_OK_FOR_INDEX): Consider blink(r31) as a valid
	base and index register for loads.

	* config/arc/t-arc: Fix multilib handling.

2004-10-20  Hans-Peter Nilsson  <>

	* cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
	don't inspect BLOCK_FOR_INSN for barriers.
	* emit-rtl.c (emit_barrier_before): Revert last change.
	(emit_barrier_after, emit_barrier): Ditto.

	* doc/extend.texi (Extended Asm): Warn and provide example
	solution for using a call-clobbered asm register.
	(Local Reg Vars): Similar.  Cross-reference example.

2004-10-19  Andrew Pinski  <>

	* tree-cfg.c (group_case_labels): Look at the second to last
	case statement for combing with the default case.

2004-10-19  Richard Hendeson  <>

	PR 17962
	* stor-layout.c (layout_type): Set TYPE_ALIGN for vectors.

2004-10-19  Richard Hendeson  <>

	* builtins.c (expand_builtin_memmove): If fold_builtin_memmove
	succeeds, only expand the result.

2004-10-19  Richard Hendeson  <>

	PR middle-end/17885
	* tree.c (recompute_tree_invarant_for_addr_expr): Always poll address

2004-10-19  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Use a do-while loop instead of a
	loop with goto.

2004-10-19  Kazu Hirata  <>

	* expr.c (expand_assignment): Remove the last argument.
	Change the return type to void.
	* expr.h: Update the prototype of expand_assignment.
	* function.c (assign_parm_setup_reg): Update a call to
	* stmt.c (expand_asm_expr): Likewise.

2004-10-19  Kazu Hirata  <>

	* expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
	unnecessary assignments to temp.  Return const0_rtx.

2004-10-19  Kaz Kojima  <>

	* config/sh/sh.c (sh5_schedule_saves): Fix typo.

2004-10-18  Kelley Cook  <>

	* (powerpc-*-darwin*): Require assembler to support
	.machine directive.
	* configure: Regenerate.

2004-10-18  Kazu Hirata  <>

	* reload1.c (ior_hard_reg_set): Remove.
	(finish_spills): Use IOR_HARD_REG_SET instead of

2004-10-18  Kazu Hirata  <>

	* sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
	the currently visited word to right.

2004-10-18  Eric Botcazou  <>

	PR middle-end/18045
	* expmed.c (expand_smod_pow2): Handle modes whose size
	is greater than that of HOST_WIDE_INT.

2004-10-18  Ziemowit Laski  <>

	* (reservedwords): Add OBJC_TYPE_QUAL as alternative.

2004-10-18  Eric Botcazou  <>
	    Roger Sayle  <>

	PR middle-end/17813
	* dojump.c (discard_pending_stack_adjust): New function.
	(clear_pending_stack_adjust): Call it.
	* expr.h (discard_pending_stack_adjust): Declare it.
	* explow.c (emit_stack_save): Emit pending stack adjustments
	before saving the stack pointer.
	(emit_stack_restore): Discard pending stack adjustments before
	restoring the stack pointer.

2004-10-18  Richard Henderson  <>

	* c-common.c (handle_mode_attribute): Allow scalar->vector
	type changes yet.

2004-10-18  Kazu Hirata  <>

	* expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
	value to expand_assignment.

2004-10-18  Kazu Hirata  <>

	* tree-cfg.c (cleanup_tree_cfg): Don't iterate on
	(thread_jumps): Iterate until no new forwarder block arises.

2004-10-18  Kazu Hirata  <>

	* tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
	(thread_jumps): Use forwardable as cache of
	tree_forwarder_block_p throughout the function.

2004-10-18  Andreas Krebbel  <>

	* cfg.c (dump_flow_info): Remove redundant dump of reg life info.

2004-10-18  Andrew Pinski  <>

	PR middle-end/15014
	PR middle-end/16973
	* tree-cfg.c (remove_bb): If we have a label expression in the
	basic block and the label we have taken the address, move the
	label expression to the basic block which is previous in the
	linked list.
	(tree_verify_flow_info): Fix printing out the label name of the
	problematic label expression.

2004-10-18  Pat Haugen  <>

	PR rtl-optimization/18002
	* simplify-rtx.c (mode_signbit_p): Externalize function...
	* rtl.h (mode_signbit_p): ... to here.
	* combine.c (simplify_shift_const): Recognize PLUS signbit as
	canonical form of XOR signbit and move to outer op.

2004-10-18  Diego Novillo  <>

	* tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
	Update all callers.
	* tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
	Don't call fold_stmt more than once, use bsi_replace.

2004-10-18  Diego Novillo  <>

	PR tree-optimization/17656
	* tree-ssa.c (replace_immediate_uses): When replacing a
	constant, if the call to fold_stmt produced a different
	statement, get an appropriate statement pointer by scanning
	STMT's basic block.

2004-10-18  Richard Henderson  <>

	* pointer-set.c (hash1): Don't use libm functions in fallback case.

2004-10-18  H.J. Lu  <>

	PR bootstrap/17684
	* (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
	(stage1-start): Remove and copy libunwind.a and
	libunwind*$(SHLIB_EXT) instead of libunwind*.
	(stage2-start): Likewise.
	(stage3-start): Likewise.
	(stage4-start): Likewise.
	(stageprofile-start): Likewise.
	(stagefeedback-start): Likewise.

	* config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
	the shared library to be created and don't remove the existing
	shared library.
	* config/arm/t-netbsd (SHLIB_LINK): Likewise.
	* config/i386/t-nwld (SHLIB_LINK): Likewise.
	* config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
	* config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
	* config/sh/t-linux (SHLIB_LINK): Likewise.
	* config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
	* config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
	* config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
	* config/t-slibgcc-sld (SHLIB_LINK): Likewise.

	* (libgcc-stage-start): Also move "*${objext}s"

2004-10-18  Kazu Hirata  <>

	* basic-block.h (reg_set_iterator): New.
	(EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
	* caller-save.c (save_call_clobbered_regs): Adjust to the new
	* cfgcleanup.c (thread_jump): Likewise.
	* cfgrtl.c (safe_insert_insn_on_edge): Likewise.
	* conflict.c (conflict_graph_compute): Likewise.
	* flow.c (verify_local_live_at_start, update_life_info,
	initialize_uninitialized_subregs, propagate_one_insn,
	init_propagate_block_info, free_propagate_block_info,
	propagate_block, dump_regset): Likewise.
	* global.c (global_conflicts): Likewise.
	* graph.c (start_bb): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop.c (load_mems): Likewise.
	* reload1.c (compute_use_by_pseudos, order_regs_for_reload,
	find_reg, finish_spills): Likewise.
	* resource.c (mark_target_live_regs): Likewise.
	* sched-deps.c (sched_analyze_insn): Likewise.
	* sched-rgn.c (sched-rgn.c): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.

2004-10-18  Jakub Jelinek  <>

	* config/i386/ (addqi_1_slp): Test for incdec_operand
	operand 1 instead of 2

2004-10-18  Kazu Hirata  <>

	* loop-unroll.c: Fix comment typos.

2004-10-18  Revital Eres  <>

	* (loop-unroll.o): Add VARRAY_H dependency.
	* loop-unroll.c: Include varray.h.
	(struct var_to_expand, struct opt_info): Rename split_ivs_info to
	opt_info and expand it to support variable expansion.
	(analyze_insns_in_loop): Rename analyze_ivs_to_split and
	expand it to support variable expansion.
	(pt_info_start_duplication): Rename si_info_start_duplication.
	(apply_opt_in_copies): Rename split_ivs_in_copies and add support
	to the variable expansion optimization.
	(free_opt_info): Rename free_si_info.
	(analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
	expand_var_during_unrolling, insert_var_expansion_initialization,
	combine_var_copies_in_loop_exit, release_var_copies,
	get_expansion): New functions.
	(peel_loop_completely, unroll_loop_constant_iterations,
	unroll_loop_runtime_iterations, peel_loop_simple,
	unroll_loop_stupid): Change uses of struct si_info
	to struct opt_info
	and add uses of fvariable-expansion-in-unroller flag.
	* params.def: Add parameter to restrict the number of expansions.
	* params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
	the number of expansions.
	* common.opt: (fvariable-expansion-in-unroller): New flag.
	* doc/invoke.texi: (fvariable-expansion-in-unroller): Document.

2004-10-18  Danny Smith  <>

	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define

2004-10-17  Hans-Peter Nilsson  <>

	* cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
	handle barriers in a bb by checking that it points to a NULL bb.
	* emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
	(emit_barrier_after, emit_barrier): Ditto.

2004-10-18  Joseph S. Myers  <>

	* doc/extend.texi (Attribute Syntax): Clarify details of
	attributes on parameters.

2004-10-17  Zdenek Dvorak  <>

	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of

2004-10-17  Andrew Pinski  <>

	2004-10-17  Andrew Pinski  <>

	* c-typeck.c (default_function_array_conversion): Always create
	&a[0] for array types.
	(build_unary_op): Do not fold &a[x] into a + x.

2004-10-17  Andrew Pinski  <>

	PR middle-end/17925
	* cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
	block if there is a goto with a locus.

2004-10-17  Kazu Hirata  <>

	* config/elfos.h, config/gofast.h, config/interix.h,
	config/netbsd.h, config/svr3.h, config/vxworks.h,
	config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
	config/alpha/, config/alpha/, config/alpha/,
	config/alpha/netbsd.h, config/arm/arm-modes.def,
	config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
	config/cris/aout.h, config/frv/frv-modes.def,
	config/i386/beos-elf.h, config/i386/gas.h,
	config/i386/i386-coff.h, config/i386/i386-modes.def,
	config/i386/linux.h, config/i386/linux64.h,
	config/i386/mingw32.h, config/i386/netbsd-elf.h,
	config/i386/netbsd64.h, config/i386/sco5.h,
	config/i386/sol2.h, config/i386/uwin.h, config/i860/,
	config/ia64/ia64-modes.def, config/ia64/,
	config/ia64/, config/m68k/m68k-modes.def,
	config/mips/mips-modes.def, config/mips/sdb.h,
	config/mips/vr.h, config/mips/vxworks.h,
	config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
	config/pa/pa32-linux.h, config/rs6000/,
	config/rs6000/, config/rs6000/,
	config/rs6000/linuxspe.h, config/rs6000/,
	config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
	config/rs6000/spe.h, config/s390/, config/s390/linux.h,
	config/s390/s390-modes.def, config/sh/elf.h,
	config/sh/sh-modes.def, config/sh/sh64.h,
	config/sparc/, config/sparc/,
	config/stormy16/, config/v850/v850-protos.h,
	config/vax/ Update copyright.

2004-10-17  Kazu Hirata  <>

	* expr.c (expand_expr_real_1): Remove an obsolete comment.

2004-10-17  Andrew Pinski  <>

	* c-typeck.c (default_function_array_conversion): Always create
	&a[0] for array types.
	(build_unary_op): Do not fold &a[x] into a + x.

2004-10-17  Jakub Jelinek  <>

	* pointer-set.c (hash1): Use integer part of 2^64 / phi
	instead 2^32 / phi if long is 64-bit.

2004-10-17  Joseph S. Myers  <>

	* c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
	* (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
	(reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
	__ptrextent__, __ptrvalue and __ptrvalue__.

2004-10-16  Dale Johannesen  <>

	* c-common.c (c_common_get_alias_set): Use GGC for type_hash_table.

2004-10-16  Zdenek Dvorak  <>

	PR tree-optimization/17766
	* basic-block.h (enum dom_state): DOM_CONS_OK removed.
	(dom_info_available_p): Declare.
	* cfghooks.c (split_block, make_forwarder_block): Use
	* dominance.c (compute_dom_fast_query, calculate_dominance_info,
	free_dominance_info, verify_dominators): Ditto.
	(dom_info_available_p): New function.
	* tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
	(thread_jumps): Use dom_info_available_p.
	* tree-complex.c (expand_complex_div_wide): Ditto.
	* tree-mudflap.c (mf_build_check_statement_for): Ditto.

2004-10-16  Zdenek Dvorak  <>

	* tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
	(find_best_candidate): Take also important candidates into account.
	(find_optimal_iv_set): Initialize important_candidates bitmap.

2004-10-16  Zdenek Dvorak  <>

	PR tree-optimization/17560
	* predict.c (tree_estimate_probability): Mark irreducible

2004-10-16  Zdenek Dvorak  <>

	PR rtl-optimization/17723
	* cfgcleanup.c (merge_memattrs): Handle case when

2004-10-15  Andrew Pinski  <>

	* toplev.c (dump_file_name): Change type to be const.

2004-10-15  Joseph S. Myers  <>

	* c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
	non_lvalue to stop something being a null pointer constant.

2004-10-15  Aldy Hernandez  <>

	* config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
	available for TARGET_FPRS.

2004-10-15  Geoffrey Keating  <>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Document
	-maltivec in same style as other ISA options.

2004-10-15  Jon Grimm <>

	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__

2004-10-15  Kazu Hirata  <>

	* bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
	collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
	gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
	genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
	gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
	gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
	lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
	predict.def, predict.h, protoize.c, reload.h, resource.h,
	rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
	tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
	unwind-sjlj.c, value-prof.h: Update copyright.

2004-10-15  Kazu Hirata  <>

	* pointer-set.c, tree-vectorizer.c: Fix comment typos.

2004-10-15  Diego Novillo  <>

	* tree-optimize.c (execute_one_pass): Stop timer right after
	executing the pass.

2004-10-14  Andrew Pinski  <>

	2004-10-14  Andrew Pinski  <>
	PR middle-end/17967
		* tree-cfg.c (remove_usless_stmts_cond): Fold statement.
		(remove_useless_stmts_1): Fold trees we know how to fold.

2004-10-14  David Edelsohn  <>

	* Add .machine power4 directive when testing for
	mfcr field.
	* configure: Regenerate.

2004-10-14  Geoffrey Keating  <>

	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.

2004-10-14  Andrew Pinski  <>

	* tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor

2004-10-14  Daniel Jacobowitz  <>

	* config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
	for 'f' if !TARGET_FPRS.

2004-10-14  Richard Henderson  <>

	PR debug/14492
	* dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.

2004-10-14  Richard Henderson  <>

	PR c/17023
	* c-decl.c (store_parm_decls_oldstyle): Care for parameter type
	as error_mark_node.
	* (compstmt_primary_start): Check cur_stmt_list non-null
	instaed of current_function_decl non-null.

2004-10-14  Matt Austern  <>

	* pointer-set.c: New file, special-purpose hash table.
	* pointer-set.h: New file.
	* tree.h (struct pointer_set_t): Declare as opaque type.
	(tree_walk): Last argument is pointer_set_t* now.
	* tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
	(walk_tree): Convert from htab_t to pointer_set_t for keeping
	track of which nodes have already been visited.
	(walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
	* cgraphunit.c (cgraph_create_edges): Likewise.
	(cgraph_characterize_statics_local): Likewise.
	* tree-dfa.c (collect_dfa_stats): Likewise.
	* langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
	pointer_set_t* now.
	* langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
	* langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
	of walk_subtrees is pointer_set_t* now.
	* (OBJS-common): add pointer-set.o
	(tree-inline.o): Depends on pointer-set.h
	(tree-dfa.o): Likewise
	(cgraphunit.o): Likewise

2004-10-14  Geoffrey Keating  <>

	* config/rs6000/darwin.h (ASM_SPEC): Delete.
	* config/darwin.h (ASM_SPEC): Define.
	* config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
	-mlong-double-128, it's the default.  Update comment about reason
	for force_cpusubtype_ALL.
	* config/rs6000/darwin-vecsave.asm: Supply .machine.
	* config/rs6000/darwin-world.asm: Likewise.
	* config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
	(symbolic_operand): Delete #if 0ed code.

2004-10-14  Andrew Pinski  <>

	* stmt.c (add_case_node): Make sure that we have integer
	constant before calling tree_int_cst_compare.

2004-10-14  Andrew Pinski  <>

	PR middle-end/17967
		* tree-cfg.c (remove_usless_stmts_cond): Fold statement.
		(remove_useless_stmts_1): Fold trees we know how to fold.

2004-10-14  Joseph S. Myers  <>

	* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
	config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow

2004-10-14  Ulrich Weigand  <>

	* reload.c (find_reloads): When reloading a PLUS with constant
	operand, make sure the constant is pushed to the constant pool
	if required.
	* config/s390/s390.c (s390_secondary_input_reload_class): Remove
	reload bug workaround.
	(s390_expand_plus_operand): Likewise.

2004-10-14  David Edelsohn  <>

	* opts.c (common_handle_option): Do not enable
	flag_speculative_prefetching for -fprofile-generate/use.

2004-10-14  Devang Patel  <>

	PR 17635
	* tree-if-conv.c (process_phi_nodes): Process latch block.
	(combine_blocks): Process latch block and update loop structure.

2004-10-14  Olga Golovanevsky  <>

	* tree-vectorizer.c (vect_generate_tmps_on_preheader):
	(vect_do_peeling_for_alignment): New functions.
	(vect_transform_loop): Add unknown and known but indivisible loop
	bound support; add peeling for unalignment support.
	(vect_analyze_loop_form): Support symbolic number of iterations.
	(vect_transform_loop_bound): New input parameter.
	(vect_get_loop_niters): Change input parameter type.
	(new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
	(vectorizable_store): Allow unaligned access.
	(vectorize_loops): Add rewrite_into_loop_closed_ssa.
	(vect_analyze_data_refs_alignment): Allowed one unaligned
	* tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
	to use tree.
	(unaligned_drs): New members of _loop_vec_info.

2004-10-14  Ranjit Mathew  <>

	* tree.h (TREE_STRING_POINTER): Wrap in "const char *".
	(struct tree_string): Remove "const" qualifier for "str".

2004-10-14  Ira Rosen  <>

	* tree-vectorizer.c (vect_analyze_data_refs): Call
	vect_get_base_and_bit_offset to get memory tag for array ref.
	(vect_create_addr_base_for_vector_ref): Remove redundant checks.

2004-10-14  Richard Earnshaw  <>

	* Use $LN_S for creating symlinks (not $LN).
	* configure: Regenerate.

2004-10-14  Kaveh R. Ghazi  <>

	* doc/install.texi (*-*-solaris2*): Update with info about kernel
	patches to solve spurious testsuite failures.

2004-10-14  Dorit Naishlos  <>

	* tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
	Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
	(vect_analyze_operations): Make sure the vectorization factor > 1. Add
	gcc_assert under ENABLE_CHECKING.
	(vectorizable_operation): Remove check for VECTOR_MODE_P (moved to

	(vect_get_vec_def_for_operand): Remove redundant variables.
	(vect_transform_loop): Likewise.

2004-10-14  Richard Sandiford  <>

	* config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
	global for -mcaller-super-interworking.
	* config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
	CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
	not need a frame pointer.
	(arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
	the soft frame pointer offset.
	(thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
	* config/arm/ (*call_reg_thumb, *call_value_reg_thumb): Use
	_interwork_{r7,r11}_call_via_rN if some arguments are passed on
	the stack.  Use frame_pointer_needed to choose between them.
	* config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
	(interwork_with_frame): New macro.
	(interwork): Add _interwork_{r7,r11}_call_via_rN().

2004-10-14  Ben Elliston  <>

	PR other/17900
	* diagnostic.c (trim_filename): Fix logic bug in walking backwards
	up the filename looking for a previous directory separator.

2004-10-14  Joseph S. Myers  <>

	* c-tree.h (enum c_typespec_kind, struct c_typespec,
	parser_xref_tag): New.
	(struct c_declspecs): Add tag_defined_p.  Adjust definition of
	(declspecs_add_type): Adjust prototypes.
	* (%union): Add tstype.
	(typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
	typespec_reserved_attr, typespec_nonreserved_nonattr,
	structsp_attr, structsp_nonattr): Change to tstype.  Update
	* c-decl.c (build_null_declspecs): Initialize tag_defined_p.
	(declspecs_add_type): Update to take struct c_typespec argument.
	Set tag_defined_p and typedef_p as appropriate.
	(xref_tag): Rename to parser_xref_tag and replace by wrapper.
	Update to return struct c_typespec.
	(shadow_tag_warned): Don't let empty declarations with qualifiers
	or storage class specifiers redeclare a tag if a previous
	declaration is visible.

2004-10-13  Richard Henderson  <>

	PR debug/15860
	* dwarf2out.c (rtl_for_decl_location): Apply big-endian correction

2004-10-14  Hans-Peter Nilsson  <>

	PR target/17984
	* config/cris/ (asrandb, asrandw, lsrandb, lsrandw): Apply
	trunc_int_for_mode for constants used in shortened mode.

2004-10-13  Richard Henderson  <>

	PR c/17384
	* c-common.c (handle_mode_attribute): Disallow mode changes that
	alter the CODE of the top-level type.

	* crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
	integer from internal limits macros.
	* config/i386/mm3dnow.h (__v2sf): Fix base type.

2004-10-13  Richard Henderson  <>

	PR debug/13841
	* function.c (instantiate_decl): Recurse for CONCAT.

2004-10-13  David Edelsohn  <>

	* config/rs6000/ (andsi3): Add attribute "compare" for
	(anddi3): Same.
	(extzvdi_internal1): Add attribute "compare".
	(extzvdi_internal2): Same.

2004-10-12  Tom Tromey  <>

	* doc/md.texi (Insn Canonicalizations): Removed extraneous quote.

2004-10-13  Dale Johannesen  <>

	* doc/extend.texi (Extended Asm): Rewrite asm volatile description.

2004-10-13  Frank Ch. Eigler  <>

	* toplev.c (compile_file): Call mudflap_finish_file from here ...
	* c-decl.c (c_write_global_declarations): ... instead of here ...
	* cp/decl.c (cp_finish_file): ... and here.
	* tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.

2004-10-13  Andrew Pinski  <>

	* tree-ssa-dom.c (record_range): Free the element if we are not
	going to use it.

2004-10-13  Tom Tromey  <>

	PR java/15578:
	* gcc.c (option_map): Added --extdirs and --encoding.

2004-10-13  Eric Botcazou  <>

	PR target/14454
	* config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
	(sparc_output_mi_thunk): Simplify handling of delta offset.  Add
	handling of vcall offset.
	(sparc_can_output_mi_thunk): New predicate.

	* config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.

	* config/sparc/ (movdi): Remove redundant test.

2004-10-13  Paolo Bonzini  <>

	* tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
	TDF_IPA from -fdump-tree-*-all.

2004-10-13  Paul Brook  <>

	* config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
	* config/arm/arm.c (thumb_find_work_register): Update comments.
	(arm_load_pic_register): Add argument for scratch register.
	(arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
	* config/arm/ (builtin_setjmp_receiver): Ditto.

2004-10-13  Kazu Hirata  <>

	* tree-data-ref.c: Fix comment typos.

2004-10-13  Jakub Jelinek  <>
	    Zdenek Dvorak  <>

	PR tree-optimization/17724
	* tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.

2004-10-13  Dorit Naishlos  <>

	* rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
	(altivec_builtin_mask_for_store): Likewise.
	(altivec_init_builtins): Use lang_hooks.builtin_function to
	create the decls for builtin_altivec_mask_for_load/store.

2004-10-13  Nick Clifton  <>

	* config/c4x/c4x.c: Remove inclusion of loop.h.

2004-10-12  Ben Elliston  <>

	* basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
	(ei_container): New; renamed.
	(ei_start, ei_last): New macros.
	(ei_start_1, ei_last_1): Renamed from ei_start.
	(ei_last_1, ei_end_p): Use ei_container() where applicable.
	(ei_one_before_end_p, ei_next, ei_edge): Likewise.
	* gcse.c (remove_reachable_equiv_notes): Use ei_container().

2004-10-11  Sebastian Pop  <>

	* (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
	* cfgloop.c (initialize_loops_parallel_p): New.
	(flow_loops_find): Initialize the parallel_p field to true for all
	the loops.
	* tree-ssa-loop-niter.c: Include "tree-data-ref.h".
	(estimate_numbers_of_iterations_loop): Infers the loop bounds from
	the size of the data accessed in the loop.
	(struct nb_iter_bound): Moved...
	* cfgloop.h (struct nb_iter_bound): ... here.
	(estimated_nb_iterations, parallel_p): New fields in struct loop.
	(record_estimate): Declare extern here.
	* tree-chrec.c: Fix comments.
	(nb_vars_in_chrec): New function.
	* tree-chrec.h (nb_vars_in_chrec): Declared here.
	* tree-data-ref.c: Don't include lambda.h, that is already included
	in tree-data-ref.h.
	(tree_fold_divides_p): Don't check for integer_onep.
	(tree_fold_bezout): Removed.
	(gcd): New static duplicated function.
	(int_divides_p, dump_subscript): New.
	(dump_data_dependence_relation): Use dump_subscript.
	(dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
	estimate_niter_from_size_of_data): New.
	(analyze_array_indexes, analyze_array): Call
	estimate_niter_from_size_of_data during	the detection of array
	references.  Pass in a pointer to the statement that contains the
	array reference.
	(all_chrecs_equal_p): New.
	(compute_distance_vector): Renamed compute_subscript_distance.
	Deal with multivariate conflict functions.
	(initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
	(non_affine_dependence_relation): New.
	(analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
	analyze_siv_subscript, analyze_miv_subscript,
	analyze_overlapping_iterations, subscript_dependence_tester):
	Initialize and return last_conflicts function.
	(initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
	compute_overlap_steps_for_affine_1_2): New.
	(analyze_siv_subscript_affine_cst): Removed.
	(analyze_subscript_affine_affine): Disprove dependences based on the
	iteration domains.  Solve the univariate dependence case as before,
	but use lambda_matrix_right_hermite instead of tree_fold_bezout.
	Implement the multivariate case of 2 versus 1 variables.
	(build_classic_dist_vector, build_classic_dir_vector): Implement some
	unhandled cases.
	(find_data_references_in_loop): Compute and initialize
	loop->estimated_nb_iterations and loop->parallel_p.
	(analyze_all_data_dependences): Modify the debug dump order.
	subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
	(SUB_LAST_CONFLICT, subscript->last_conflict,
	data_dependence_relation->affine_p, data_dependence_relation->size_vect,
	(find_data_references_in_loop, initialize_data_dependence_relation,
	dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.

2004-10-12  Kelley Cook  <>

	* configure: Regenerate.

2004-10-12  Fariborz Jahanian <>

	PR 17892
	* tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
	(simplify_rhs_and_lookup_avail_expr): Disallow associativity
	and constant folding of floating point MULT_EXPR/PLUS_EXPR

2004-10-12  Ulrich Weigand  <>

	* config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
	(s390_gimplify_va_arg): Likewise.

2004-10-12  Daniel Jacobowitz  <>

	(REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
	* regclass.c (record_address_regs): Remove ifdef.  Use
	* regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
	(scan_rtx_address, replace_oldest_value_addr): Use
	unnecessary definitions.
	(find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
	* config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
	* doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,

2004-10-12  Daniel Berlin <>

	* tree-ssa-alias.c (verify_name_tags): New function.
	(verify_flow_sensitive_alias_info): Remove code that used to check name tags.
	(verify_alias_info): Call verify_name_tags.

2004-10-12  Kazu Hirata  <>

	PR rtl-optimization/17931
	* config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with

2004-10-12  Richard Earnshaw  <>

	* arm.c (arm_print_operand): Use output_operand_lossage where possible
	rather than aborting.

2004-10-12  Paul Brook  <>

	* config.gcc: Add armv6{k,z,zk}
	* config/arm/arm-cores.def: Add arm1176 and mpcore.
	* config/arm/ Regenerate.
	* config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
	(all_architectures): Add armv6k, armv6z, armv6zk.
	* config/arm/lib1funcs.asm: Recognise new arm arcitectures.
	* doc/invoke.texi: Document new arch and cpu values.

2004-10-12  Paul Brook  <>

	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to

2004-10-12  Paul Brook  <>

	* config/arm/ (addsi3_cbranch_scratch): Correct constraints.
	Handle negative constants.

2004-10-12  Joseph S. Myers  <>

	PR c/17301
	* c-typeck.c (convert_arguments): Return error_mark_node if there
	are too few arguments.
	(build_function_call): Handle error_mark_node return from

2004-10-06  Paolo Bonzini  <>

	* (symbolic_link): Replace with $LN_S.
	(Assembler/Linker): Hard link from gas and binutils trees.
	* aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
	* configure: Regenerate.

2004-10-12  Paul Brook  <>

	* Don't look for host assembler when building a canadian
	* configure: Regenerate.

2004-10-11  Roger Sayle  <>

	PR other/17361
	* c-opts.c (permit_fortran_options): Delete/obsolete global variable.
	(c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
	line options for "-lang-asm" and if found allow any of the C-family
	front-end options.
	(c_common_handle_option): Remove last use of permit_fortran_options.

2004-10-11  Ulrich Weigand  <>

	* config/s390/s390.c (print_operand): Support 'S' format flag.
	* config/s390/ ("*tmqi_mem"): Use 'S' format flag.
	("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
	("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
	("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
	("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
	("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
	("*movstricthi"): Likewise.
	("*load_multiple_di", "*load_multiple_si"): Likewise.
	("*store_multiple_di", "*store_multiple_si"): Likewise.
	("*sethiqisi", "*sethihisi"): Likewise.
	("*sethiqidi_64", "*sethiqidi_31"): Likewise.
	("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
	("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
	("*xorqi3", "*xc", "*xc_zero"): Likewise.
	("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.

	("*tmhi_full"): Fix incorrect op_type attribute.

	("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
	("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
	("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
	("*subsi3_slb_cc", "*subsi3_slb"): Likewise.

2004-10-11  Andrew Pinski  <

	PR middle-end/16266
	* function.c (temp_slots_at_level): Fix typo which creates too
	many temp stack slots levels.

2004-10-11  Ulrich Weigand  <>

	* config/s390/s390.c (s390_trampoline_template): Generate shorter
	trampoline code.
	(s390_trampoline_instantiate): Adapt.
	* config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.

2004-10-11  Roger Sayle  <>

	PR middle-end/17657
	* stmt.c (add_case_node): Add additional type argument.  Declare
	as static to match prototype.  Convert the upper and lower bounds
	to the specified index type.  Optimize away case ranges/values
	that are outside the index type's bounds.  Truncate case ranges
	that span the index type's bounds.
	(expand_case): Avoid unnessary computation and memory allocation
	when index type is error_mark_node.  Pass index_type as required
	by change to add_case_node API.  No need to convert case range
	bounds to index_type, this is now done by add_case_node.

2004-10-11  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_offset_p): Add prototype.
	* config/s390/s390.c (s390_offset_p): New function.
	* config/s390/ ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
	"*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
	transform Q->Q alternatives to *clc pattern.
	("*clc"): Move.
	("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
	"*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
	to transform Q->Q alternatives to *mvc pattern.
	("*mvc"): Move.  Add peephole to merge adjacent MVCs.
	("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
	"*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
	transform Q->Q alternatives to *nc pattern.
	("*nc"): New insn.  New peephole to merge adjacent NCs.
	("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
	"*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
	transform Q->Q alternatives to *oc pattern.
	("*oc"): New insn.  New peephole to merge adjacent OCs.
	("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
	transform Q->Q alternatives to *xc pattern.
	("*xc"): New insn.  New peephole to merge adjacent XCs.
	("*xc_zero"): Move.  Add peephole to merge adjacent XCs.

2004-10-11  Andrew Pinski  <>

	* gimplify.c (gimple_push_condition): Make sure that we don't
	have any saved condition cleanup if we were at the top level.

2004-10-11  Richard Sandiford  <>

	* config/frv/ (*adddi3_internal): Change name to...
	(adddi3): ...replacing the exisiting define_expand.  Combine
	alternatives.  Fix the range of the constant constraints ('J' instead
	of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
	to extract the lower and upper halves of the DImode operands.
	Always use addi3_lower and adddi3_upper, not the subdi3 forms.
	(adddi3_lower): Fix the range of the constant constraints and
	remove the bogus operands[2] check.
	(adddi3_upper): Use gpr_or_int10_operand as the predicate for
	operand 2.  Use addxi to handle constant operands.
	(subdi3_lower, subdi3_upper): Don't handle constant operands.

2004-10-11  Nathan Sidwell  <>

	* gengtype-lex.l: Add commented } & ) characters to unconfuse
	editor's paren matching. Allow #define inside a struct.

2004-10-10  Andrew Pinski  <>

	PR middle-end/17703
	part of PR c++/17657
	* fold-const.c (fold_build_cleanup_point_expr): New function.
	* tree.h (fold_build_cleanup_point_expr): Prototype.

2004-10-10  Eric Christopher  <>

	* dwarf2out.c: Move attribute to subprogram declaration
	instead of subroutine type.

2004-10-10  Kazu Hirata  <>

	* basic-block.h: Remove the prototypes for can_hoist_insn_p,
	hoist_insn_after, and hoist_insn_to_edge.
	* rtl.h: Remove the prototypes for reg_referenced_between_p,
	no_jumps_between_p, and insn_dependent_p.
	* rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
	insn_dependent_p, insn_dependent_p_1, hoist_test_store,
	can_hoist_insn_p, hoist_update_store, hoist_insn_after,
	hoist_insn_to_edge): Remove.

2004-10-10  Joseph S. Myers  <>

	PR c/17881
	* c-decl.c (grokparms): Don't warn for parameters of incomplete
	type in declarations that are not definitions except for the case
	of parameters of void type.

2004-10-10  Kazu Hirata  <>

	* tree-cfg.c: Fix comment typos.

2004-10-10  Joseph S. Myers  <>

	PR c/17301
	* builtins.c (expand_builtin_va_start): Check for too few
	arguments to va_start.

2004-10-10  Joseph S. Myers  <>

	PR c/17189
	* c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
	fields a pedwarn.  Pedwarn here for unnamed structs/unions if
	* (component_decl): Don't pedwarn here for unnamed

2004-10-09  Zdenek Dvorak  <>

	PR tree-optimization/17906
	* tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
	copy non-gimple reg arguments.

2004-10-09  Roger Sayle  <>

	PR rtl-optimization/17853
	* simplify-rtx.c (simplify_relational_operation): Correct comment.
	Reorganize handling of comparison operations with floating point
	results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
	Likewise, introduce support for comparison operations with vector
	result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.

	* doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
	* doc/tm.texi: Likewise.

2004-10-09  Steven Bosscher  <>

	* regs.h (struct reg_info_def): Remove the last_node_uid and
	changes_mode fields.
	(REGNO_LAST_NOTE_UID): Don't define.
	* regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
	* regmove.c (copy_src_to_dest): Likewise.

2004-10-09  Roger Sayle  <>

	PR middle-end/17894
	* fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
	relational comparison operator op needs to be swapped/reversed when
	C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.

2004-10-08  Andrew Pinski  <>

	PR tree-opt/17902
	* tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
	instead of bsi_start.
	(value_replacement): Likewise.
	(abs_replacement): Likewise

2004-10-09  Steven Bosscher  <>

	* cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
	(expand_gimple_cond_expr, expand_gimple_tailcall,
	expand_gimple_basic_block): Use it to dump RTL for each stmt.
	(tree_expand_cfg): Announce full RTL function dump.
	* tree-optimize.c (execute_one_pass): Use normal RTL printing,
	not the graph version.
	* tree-pretty-print.c (dump_generic_node): Allow empty statements
	in the arms of a COND_EXPR for lowered nodes.

2004-10-08  Joseph S. Myers  <>

	* config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
	atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
	strtoufix16, strtoufix32, strtoufix64): Declare.

2004-10-08  Joseph S. Myers  <>

	* c-lex.c (interpret_float): Give a pedwarn rather than a warning
	for an out-of-range floating point constant.
	* builtins.c (fold_builtin_inf): Give a pedwarn rather than a
	warning if the target format does not support infinities.

2004-10-08  Kazu Hirata  <>

	* emit-rtl.c (last_label_num, base_label_num): Remove.
	(max_label_num): Always return label_num.
	(set_new_last_label_num, restore_emit_status): Remove.
	(init_emit): Don't initialize last_label_num.
	* function.c (pop_function_context_from): Don't call
	* function.h: Remove the prototype for restore_emit_status.
	* rtl.h: Remove the prototype for set_new_last_label_num.

2004-10-08  Kazu Hirata  <>

	* stmt.c (expand_decl_init): Remove.
	* tree.h: Remove the corresponding prototype.

2004-10-08  Kazu Hirata  <>

	* integrate.c (try_constants, subst_constants, mark_stores):
	* integrate.h: Remove the prototype for try_constants.

2004-10-08  Joseph S. Myers  <>

	* c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
	(convert_for_assignment): Handle ic_argpass_nonproto.  Add
	comments about its relevance to errors.
	(c_convert_parm_for_inlining): Use ic_argpass_nonproto.

2004-10-08  Andrew Pinski  <>

	PR c/16999
	* c-ppoutput.c (cb_ident): Don't quote string as it is already

2004-10-08  Diego Novillo  <>

	* tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate

2004-10-08  Kazu Hirata  <>

	* tree-cfg.c: Fix a comment typo.

2004-10-08  Andreas Krebbel  <>

	* config/s390/s390.c (s390_register_info): Don't save fprs for
	(s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.

2004-10-08  Ulrich Weigand  <>

	* config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
	(TARGET_DEFAULT): Use symbolic values.
	* config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
	(TARGET_DEFAULT): Use symbolic values.
	* config/s390/s390.c (s390_backchain_string): Initialize to

2004-10-08  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_mempcpy): Move tree handling code to
	fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
	(expand_builtin_strcat): Accept a type parameter.
	(fold_builtin_mempcpy): Accept a type and endp parameter.

	* builtins.c (expand_builtin_strncpy): Delete duplicate code.
	Accept an `exp' instead of an `arglist'.

2004-10-08  Nathan Sidwell  <>

	* tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
	reverting my 2004-09-07 patch to use build_int_cst.

2004-10-08  Eric Botcazou  <>

	PR target/17245
	* config/sparc/sparc.c (input_operand): Remove redundant code
	for handling LO_SUM.
	(legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
	<LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
	Otherwise only accept it for TFmode if quad move insns are available.

2004-10-08  Kazu Hirata  <>

	* tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
	common cases will be caught earlier than others.

2004-10-08  Michael Matz  <>

	* loop-doloop.c (doloop_optimize): Extend count.

2004-10-08  Kaz Kojima  <>

	* config/sh/ (prefetch_media, prefetch_i4): New insns.
	(prefetch): Convert to expander.

2004-10-08  Kaz Kojima  <>

	* config/sh/ (tls_global_dynamic): Use MEM pattern for the
	first argument of CALL.
	(tls_local_dynamic): Likewise.

2004-10-08  Joseph S. Myers  <>

	* c-typeck.c (enum impl_conv): New.
	(convert_for_assignment): Use it.  Take tree for function called
	instead of its name.  Handle ObjC selectors for diagnostics at
	start of function.  Select diagnostic text within the function
	using full sentences for diagnsotics.  Use %qE to name functions
	in diagnostics.
	(convert_arguments, build_modify_expr,
	c_convert_parm_for_inlining, digest_init, c_finish_return): Update
	callers to convert_for_assignment.
	(warn_for_assignment): Remove.

2004-10-08  Nick Clifton  <>

	* config/sh/symbian.c (symbian_possibly_export_base_class):
	Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with

2004-10-08  Kazuhiro Inaoka  <>

	* config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
	fixed registers form all_used_regs. Update call_really_used_regs.
	* config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
	with call_really_used_regs.

2004-10-08  Alan Modra  <>

	* config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
	for -profile as well as -p and -pg.

2004-10-07  Andrew Pinski  <>

	* libgcc2.c (__moddi3): Cast &w to UDWtype*.

2004-10-07  Kazu Hirata  <>

	* tree-cfg.c (tree_block_forwards_to): Remove.
	* tree-flow.h: Remove the corresponding prototype.

2004-10-07  Kazu Hirata  <>

	* tree-flow-inline.h (phi_nodes): Remove an unnecessary check

2004-10-07  Geoffrey Keating  <>

	Radar 3813796
	* config/rs6000/rs6000.c (rs6000_generate_compare): When
	flag_trapping_math is in effect, don't generate subtract

2004-10-07  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
	* config/s390/s390.c (s390_narrow_logical_operator): New function.
	(s390_extra_constraint_str): Add 'A' constraints.
	(s390_const_ok_for_constraint_p): Add 'Nx' constraints.
	* config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
	(CONSTRAINT_LEN): Likewise.
	* config/s390/ ("*anddi3"): Add NI alternative and splitter.
	("*andsi3_zarch", "*andsi3_esa"): Likewise.
	("*andhi3_zarch", "*andhi3_esa"): Likewise.
	("*iordi3"): Add OI alternative and splitter.
	("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
	("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
	("*xordi3"): Add XI alternative and splitter.
	("*xorsi3", "*xorhi3"): Likewise.

2004-10-07  Richard Sandiford  <>

	* config/mips/mips.c (mips_function_rodata_section): New function.

2004-10-07  Devang Patel  <>

	UNSPEC_VCONDU_V16QI): New constant defines.
	(vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
	vconduv16qi): New patterns.
	* rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
	* rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
	(get_vec_cmp_insn): Same.
	(get_vsel_insn): Same.
	(rs6000_emit_vector_compare): Same.
	(rs6000_emit_vector_select): Same.

2004-10-07  Zdenek Dvorak  <>

	PR tree-optimization/17749
	* tree-tailcall.c (find_tail_calls): Check that parameter is
	a gimple_reg.

2004-10-07  Kazu Hirata  <>

	* config/ia64/ia64.c: Fix a comment typo.

2004-10-07  Eric Botcazou  <>

	* doc/install.texi (*-*-solaris2*): Fix marker for URL.

2004-10-07  Giovanni Bajo  <>

	PR c++/17115
	* tree-inline.c (expand_call_inline): Do not warn for functions
	marked with attribute noinline.

2004-10-07  Eric Botcazou  <>

	PR target/17862
	* config/sparc/sparc.c (sparc_output_mi_thunk): Set
	current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.

	* config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
	of 0 as 4th argument to pass_by_reference.
	Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.

2004-10-06  Eric Christopher  <>

	* config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf

2004-10-07  Richard Sandiford  <>

	PR target/17770
	* config/mips/ (mov_<load>l): Remove hazard=none attribute.

2004-10-07  Zdenek Dvorak  <>

	PR rtl-optimization/17791
	* loop-doloop.c (doloop_modify): Take number of iterations as
	(doloop_optimize): Extend or shorten the number of iterations
	when changing mode of counter register.
	* loop-iv.c (lowpart_subreg): Export.
	* rtl.h (lowpart_subreg): Declare.

2004-10-07  Zdenek Dvorak  <>

	PR tree-optimization/17806
	* cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
	* cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
	flags moved to split_edge.

2004-10-07  Eric Botcazou  <>

	PR middle-end/17835
	* expmed.c (expand_sdiv_pow2): Force a stack adjustment
	before tentatively building the conditional move sequence.

2004-10-07  Richard Sandiford  <>

	PR target/16815
	* function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
	* config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of

2004-10-07  Richard Sandiford  <>

	PR bootstrap/17857
	* (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.

2004-10-07  Kazu Hirata  <>

	* hooks.c (hook_int_void_1, hook_void_int): Remove.
	* hooks.h: Remove the corresponding prototypes.

2004-10-06  Andrew Pinski  <>

	PR middle-end/17849
	* tree-nested.c (walk_stmt_info): Add changed field.
	(convert_nonlocal_reference): Set changed to when we
	change a decl to unnested decl.
	<case ADDR_EXPR>: Instead of checking if the immediate part
	of the ADDR_EXPR changed, check the field changed.
	Use recompute_tree_invarant_for_addr_expr instead of unsetting
	(convert_local_reference): Set changed to when we
	change a decl to unnested decl.
	<case ADDR_EXPR>: Instead of checking if the immediate part
	of the ADDR_EXPR changed, check the field changed.
	Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.

2004-10-06  Kazu Hirata  <>

	* dwarf2out.c (dwarf2out_init): Remove references to
	* doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.

2004-10-06  Joseph S. Myers  <>

	* c-typeck.c (convert_arguments): Take expression for called
	function rather than its name.  Handle ObjC selectors directly
	rather than relying on warn_for_assignment to do so.  Call warning
	directly rather than warn_for_assignment.  Use %qE in diagnostics.
	Say "argument" rather than "arg" in diagnostics.
	(build_function_call): Update call to convert_arguments.

2004-10-06  Andrew Pinski  <>

	PR debug/17787
	* dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
	ENUMs specially instead of just saying we do.

2004-10-06  Eric Christopher  <>

	* dwarf2.h: Sync with include/elf/dwarf2.h

2004-10-06  Daniel Berlin  <>

	* tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
	and TREE_VEC nodes.

2004-10-06  Daniel Berlin  <>

	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
	to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.

2004-10-06  Daniel Berlin  <>

	* lambda-code.c (compute_nest_using_fourier_motzkin): New
	(lambda_compute_auxillary_space): Split from here.

2004-10-06  Daniel Berlin  <>

	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
	* tree-flow.h: Add prototype.
	* lambda-code.c (invariant_in_loop_and_outer_loops): Use

2004-10-06  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Remove a duplicate check for

2004-10-06  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s_imm_operand): Remove.
	(s390_pool_operand): Add prototype.
	* config/s390/s390.c (general_s_operand): Remove.
	(s_imm_operand): Remove.
	(s_operand): Merge contents of general_s_operand.
	(s390_pool_operand): New function.
	* config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
	* config/s390/ ("*cmpdi_cct", "*cmpsi_cct"): New insns.
	("*cmpdi_ccu"): Merge Q->Q alternative.
	("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
	("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
	("*cli"): Remove.
	("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
	("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
	("*movstricthi"): Use memory_operand instead of s_imm_operand.

2004-10-06  Steve Ellcey  <>

	* config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
	call ia64_function_arg_boundary.
	* config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
	* config/ia64/ia64.c (ia64_function_arg_boundary): New.
	(ia64_function_arg_advance): Do not put 128 bit floats into
	FP registers.

2004-10-06  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_strcpy): Delete duplicate code.
	Accept an expression instead of an arglist.
	(expand_builtin_stpcpy): Accept an expression instead of an

2004-10-06  Eric Botcazou  <>

	PR target/16007
	* doc/install.texi (*-*-solaris2*): Mention potential problem
	with Sun assembler + GNU linker and C++ programs.
	Document status of binutils 2.15 release.

2004-10-06  Jan Hubicka  <>

	* cse.c (cse_main): Kill push/pop context.

2004-10-05  Zack Weinberg  <>

	* pretty-print.c: Include tree.h.
	(pp_base_prepare_to_format): New function, logic from
	(pp_base_format_text): Use gcc_assert.
	* pretty-print.h (pp_prepare_to_format): New macro.
	(pp_base_prepare_to_format): Prototype.
	* diagnostic.c (text_specifies_location): Delete.
	(bug_report_request): Delete.
	(diagnostic_set_info): Don't call text_specifies_location.
	(diagnostic_action_after_output): Put text from
	bug_report_request inline here.  Use gcc_unreachable.
	(diagnostic_report_current_function): Fix comment.
	(diagnostic_report_diagnostic): Clarify logic for error recursion.
	Call pp_prepare_to_format before diagnostic_starter.
	(trim_filename): Use IS_DIR_SEPARATOR.
	(fatal_error, internal_error): Use gcc_unreachable.
	(error_recursion): Call diagnostic_action_after_output to
	issue the bug_report_request message and exit.
	* (diagnostic.o, pretty-print.o): Update dependencies.

	* Add list of diagnostic messages to insulate
	translation template from version of yacc/bison used to
	compile the grammar.

2004-10-06  Alan Modra  <>

	PR 16406
	* doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.

2004-10-05  Kazu Hirata  <>

	* basic-block.h: Remove the prototype for
	* cfganal.c (dfst_node): Remove.
	(flow_preorder_transversal_compute): Likewise.
	* rtl.h: Remove the prototype for get_jump_table_offset.
	* rtlanal.c (get_jump_table_offset): Remove.

2004-10-05  Richard Henderson  <>

	PR 17756
	* tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.

2004-10-05  Kelley Cook  <>

	PR bootstrap/17817
	* Stage the build directory too.

2004-10-05  Aldy Hernandez  <>

	* config/frv/frv.h (LEGITIMIZE_ADDRESS): New.

	* config/frv/frv-protos.h (frv_legitimize_address): Protoize.
	(frv_emit_move): Same.

	* config/frv/frv.c (frv_emit_move): New.
	(frv_legitimize_address): New.

	* config/frv/ ("movsi"): Call frv_emit_move.
	("movqi"): Same.
	("movhi"): Same.
	("movdi"): Same.
	("movsf"): Same.
	("movdf"): Same.

2004-10-05  Joseph S. Myers  <>

	* c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
	system headers.

2004-10-05  Joseph S. Myers  <>

	* c-decl.c (pushdecl): When an extern declaration at block scope
	refers to a visible entity with internal linkage, use the old DECL
	rather than the new one.

2004-10-05  Kazu Hirata  <>

	* tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in

2004-10-05  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Remove a duplicate check for
	an infinite loop.

2004-10-05  Kazu Hirata  <>

	* tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
	of FOR_BB_BETWEEN.  Remove a useless check for unreachable

2004-10-05  Kazu Hirata  <>

	* tree-cfg.c (cleanup_tree_cfg): Don't call
	delete_unreachable_blosk() after thread_jumps().
	(thread_jumps): Always remove basic blocks as they become

2004-10-05  Kazu Hirata  <>

	* tree-cfg.c (cleanup_tree_cfg): Remove variable
	something_changed.  Simplify the while loop.

2004-10-05  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_memmove): Delete duplicate code
	and accept a tree type for the result.
	(expand_builtin_bcopy): Accept a tree type for the result.
	(fold_builtin_memmove): Accept an arglist and tree type for
	the result.

2004-10-05  Ulrich Weigand  <>

	* config/s390/s390.c (s390_dump_pool): Remove return value.
	Use gen_pool_align, gen_pool_section_start/end instead of
	* config/s390/ (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
	("pool_start_31", "pool_end_31"): Remove.
	("pool_start_64", "pool_end_64"): Likewise.
	("pool_align", "pool_section_start", "pool_section_end": New insns.

	* config/s390/s390.c (s390_cannot_copy_insn_p): New function.
	(s390_cannot_force_const_mem): Handle UNSPEC_INSN.
	(struct constant_pool): New member 'execute'.
	(s390_add_execute, s390_find_execute): New functions.
	(s390_execute_label, s390_execute_target): Likewise.
	(s390_dump_pool): Output in-pool execute target templates.
	(s390_dump_execute): New function.
	(s390_alloc_pool, s390_free_pool): Handle execute templates.
	(s390_mainpool_start, s390_mainpool_finish): Likewise.
	(s390_chunkify_start, s390_chunkify_finish): Likewise.
	* config/s390/ (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
	("*execute"): New insn pattern.
	("movmem_short", "*movmem_short"): Use splitters to generate
	explicit execute pattern, remove embedded execute.
	("clrmem_short", "*clrmem_short"): Likewise.
	("cmpmem_short", "*cmpmem_short"): Likewise.

2004-10-05  Daniel Berlin  <>

	* tree-ssa.c (verify_ssa): Verify phi arguments only
	contain renamed names.

2004-10-05  Alan Modra  <>

	* config/rs6000/linux.h: Formatting, whitespace.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/rs6000-protos.h: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	(easy_vector_splat_const): Add fall thru comments.
	(output_vec_const_move): Likewise.

2004-10-05  Kelley Cook  <>

	* Update -Wno-error exceptions for move to build dir.

2004-10-05  Chao-Ying Fu  <>
	    Richard Sandiford  <>

	* doc/invoke.texi (-mpaired-single): Link to the new description of the
	built-in functions.  Document dependencies.
	(-mips3d): Add link here too.
	* doc/extend.texi (MIPS Paired-Single Support): New section.

2004-10-04  Chao-ying Fu  <>

	* config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.

2004-10-04  Diego Novillo  <>

	* tree-ssa-dom.c (tree_ssa_dominator_optimize):
	Initialize OPT_STATS to 0.

2004-10-04  Kazu Hirata  <>

	* tree-data-ref.c: Fix comment typos.

2004-10-04  Sebastian Pop  <>

	* tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
	the predicate cannot be computed, don't initialize the result to

2004-10-01  Eric Christopher  <>

	* dwarf2.h (dwarf_calling_convention): Add GNU prefix to
	locally defined enum.
	* dwarf2out.c (add_calling_convention_attribute): Don't
	emit DW_CC_normal.

2004-10-03  Andrew Pinski  <>

	PR c/17178, PR c/17820
	* c-decl.c (pop_scope): Do not warn about unused static
	variables as they warned in the middle-end.

2004-10-03  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_memcpy): Delete duplicate code
	and make the first parameter the expression not the arglist.

2004-10-03  Ulrich Weigand  <>

	* expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
	as valid modes to expand address expressions.

2004-10-03  Joseph S. Myers  <>

	* c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
	c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
	code formatting conventions.

2004-10-03  Richard Sandiford  <>

	* config/mips/ (<u>mulsidi3_32bit_r4000): Fix unsigned case.

2004-10-03  Kazu Hirata  <>

	PR tree-optimization/16632
	* fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
	fold (A & C) == D into 0, fold ~C.  Similarly, for the case
	where | is used instead of &.

2004-10-03  Kazu Hirata  <>

	* ginclude/stddef.h: Fix a comment typo.

2004-10-03  Eric Botcazou  <>

	PR target/17443
	* config.gcc (i?86-*-solaris2*): Restore correct logic
	for --enable-threads option.
	(sparc64-*-solaris2*): Likewise.
	(sparc-*-solaris2*): Likewise.

2004-10-03  Alan Modra  <>

	* config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
	(OS_MISSING_POWERPC64): Move, and comment.
	* config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
	(OS_MISSING_POWERPC64): Move, and comment.

2004-10-02  Ian Lance Taylor  <>

	* arm.c (output_call_mem): Add missing \t.

2004-10-02  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
	expand_builtin_strncmp): Delete duplicate code.

2004-10-02  Frank Ch. Eigler  <>

	* tree-mudflap.c (mf_build_check_statement_for): Reorganize to
	take check-base and -limit arguments.
	(mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
	check ranges for ARRAY_REF and COMPONENT_REF.
	(execute_mudflap_fnction_ops, ..._decls): Limit unnecessary

2004-10-02  Joseph S. Myers  <>

	* c-objc-common.c (c_tree_printer): Correct description of %E.
	Don't fall through after printing an expression.

2004-10-02  Kazu Hirata  <>

	* tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.

2004-10-02  Kazu Hirata  <>

	* tree-cfg.c (cleanup_tree_cfg): Speed up by calling
	delete_unrechable_blocks() only when necessary.

2004-10-02  P.J. Darcy  <>

	* gthr-tpf.h (__gthread_recursive_mutex_t): New type.
	(__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
	__gthread_recursive_mutex_unlock): New functions.

2004-10-02  P.J. Darcy  <>

	* config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
	* config/s390/tpf-eh.c: Remove file.
	* config/s390/tpf-unwind.h: New file.
	* config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.

2004-10-02  Joseph S. Myers  <>

	* c-typeck.c (warn_for_assignment): Don't permit argnum == 0.

2004-10-01  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_comparison): Add prototype.
	* config/s390/s390.c (s390_comparison): New function.
	(s390_branch_condition_mask): Return -1 for invalid comparisons.
	(s390_branch_condition_mnemonic): Assert valid comparison.
	* config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
	* config/s390/ ("*cjump_64", "*cjump_31", "*cjump_long",
	"*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
	s390_comparison instead of comparison_operator.

	* config/s390/ (UNSPEC_CMPINT): New constant.
	("cmpmemdi"): Remove.
	("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
	("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
	("cmpint_si"): Rename to ...
	("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
	("cmpint_di", "*cmpint_di"): Likewise.
	* config/s390/s390.c (s390_canonicalize_comparison): Remove
	redundant UNSPEC_CMPINT conversions.
	(s390_expand_cmpmem): Adapt to cmpint pattern changes.

2004-10-01  Kazu Hirata  <>

	* collect2.c (COLLECT_PARSE_FLAG): Remove.
	(main): Remove a reference to COLLECT_PARSE_FLAG
	* system.h: Poison COLLECT_PARSE_FLAG.
	* doc/tm.texi (COLLECT_PARSE_FLAG): Remove.

2004-10-01  Paul Brook  <>

	* config/arm/crti.asm: Give _init and _fini function type.

2004-10-01  Zdenek Dvorak  <>

	* common.opt (ftree-loop-ivcanon): Enable by default.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
	Enable complete loop unrolling.
	(canonicalize_induction_variables, tree_unroll_loops_completely):
	Reset scev info.

2004-10-01  Paul Brook  <>

	* config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
	not register number.
	(thumb_find_work_register): Search full register range.

2004-10-01  Andrew Pinski  <>

	PR tree-opt/17343
	* tree-cfg.c (group_case_labels): Get the label and not
	the case expr for the default case.
	When the label we looking at is the default, decrement the

2004-10-01  Jan Hubicka  <>

	* c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
	* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
	* toplev.h (tree_rest_of_compilation): Update prototype.
	* tree-optimize.c (tree_rest_of_compilation): Kill nested_p argument.

2004-10-01  Kazu Hirata  <>

	* tree-cfg.c (cleanup_tree_cfg): Pull a call to
	cleanup_control_flow() out of the while loop.

2004-10-01  Paolo Bonzini  <>

	* tree-vectorizer.c (vectorizable_operation): Fail unless
	the mode for the vector type is indeed a vector mode.

2004-10-01  Zdenek Dvorak  <>

	* tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
	chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
	of convert.
	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
	add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
	follow_ssa_edge_in_rhs): Ditto.
	* tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
	(dump_iv): Dump base_object.
	(dump_use, dump_cand): Use dump_iv.
	(determine_base_object): New function.
	(alloc_iv): Initialize base_object field.
	(record_use): Clear the ssa_name field of iv.
	(get_computation_cost_at): Do not use difference of addresses of
	two different objects.
	(may_eliminate_iv): Do not require the loop to have just single exit.
	* tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
	(nonzero_p): New function.
	(inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
	tree_simplify_using_condition, simplify_using_initial_conditions,
	loop_niter_by_eval, find_loop_niter_by_eval,
	estimate_numbers_of_iterations_loop, compare_trees,
	upper_bound_in_type, lower_bound_in_type,
	can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
	fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
	instead of integer_(non)zerop.

2004-10-01  Jakub Jelinek  <>

	2004-09-29  Jakub Jelinek  <>

	* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
	* tree-pass.h (pass_stdarg): Add.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
	* tree-stdarg.c: New file.
	* (OBJS-common): Add tree-stdarg.o.
	(tree-stdarg.o): Add dependencies.
	* function.h (struct function): Add va_list_gpr_size and
	va_list_fpr_size fields.
	* function.c (allocate_struct_function): Initialize them.

	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
	(ix86_setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(ix86_va_start): Don't set up fields that won't be used.

	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
	(setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(rs6000_va_start): Don't set up fields that won't be used.

2004-09-30  Eric Christopher  <>

	* dwarf2.h (dwarf_calling_convention): Add enum for renesas
	sh abi.
	* dwarf2out.c (add_calling_convention_attribute): New function.
	(gen_subroutine_type_die): Use.
	* target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
	* target.h (gcc_target): Add dwarf_calling_convention.
	* hooks.c (hook_int_tree_0): New function.
	* hooks.h: Prototype.
	* config/sh/sh.c: Include dwarf2.h.
	(sh_dwarf_calling_convention): New function.
	* doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.

2004-09-30  Kaveh R. Ghazi  <>

	* builtins.c (expand_builtin_strstr, expand_builtin_strchr,
	expand_builtin_strrchr, expand_builtin_strpbrk,
	expand_builtin_strncat, expand_builtin_strspn,
	expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate

2004-09-30  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_expand_logical_operator): Add
	(s390_logical_operator_ok_p): Likewise.
	* config/s390/s390.c (s390_expand_logical_operator): New function.
	(s390_logical_operator_ok_p): Likewise.
	* config/s390/ ("anddi3"): New expander.
	("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
	("*anddi3_ss", "*anddi3_ss_inv"): Remove.
	("andsi3"): Use s390_expand_logical_operator.
	("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
	("*andsi3_ss", "*andsi3_ss_inv"): Remove.
	("andhi3"): New expander.
	("*andhi3_zarch", "*andhi3_esa"): New patterns.
	("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
	("andqi3"): New expander.
	("*andqi3_zarch", "*andqi3_esa"): New patterns.
	("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
	("iordi3"): New expander.
	("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
	("*iordi3_ss", "*iordi3_ss_inv"): Remove.
	("iorsi3"): Use s390_expand_logical_operator.
	("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
	("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
	("iorhi3"): New expiorer.
	("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
	("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
	("iorqi3"): New expiorer.
	("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
	("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
	("xordi3"): New expander.
	("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
	("*xordi3_ss", "*xordi3_ss_inv"): Remove.
	("xorsi3"): New expander.
	("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
	("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
	("xorhi3"): New expander.
	("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
	("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
	("xorqi3"): New expander.
	("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
	("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.

2004-09-30  Roger Sayle  <>

	* combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
	(AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
	machine mode as the result.

2004-09-30  Ben Elliston  <>

	PR bootstrap/17761
	* lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
	FOR_EACH_EDGE macros.

2004-09-30  Joseph S. Myers  <>

	* c-tree.h (readonly_error): Remove.
	* c-typeck (enum lvalue_use): New.
	(lvalue_or_else, readonly_error): Use it.  All callers changed.
	(readonly_error): Make static.

2004-09-30  Jan Hubicka  <>

	PR debug/13974
	* cfgrtl.c (try_redirect_by_replacing_jump,
	force_nonfallthru_and_redirect, commit_one_edge_insertion,
	cfg_layout_merge_blocks): Do not attach any line number information
	to newly inserted instructions.
	* emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
	(emit_*insn_before, emit_insn*_after): New.
	(emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
	existing locators.
	* rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
	(emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.

2004-09-30  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
	(s390_return_address_offset): Remove.
	(s390_can_eliminate): Add prototype.
	(s390_initial_elimination_offset): Add prototype.
	* config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
	(INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
	* config/s390/s390.c (s390_arg_frame_offset): Remove.
	(s390_return_address_offset): Remove.
	(s390_can_eliminate, s390_initial_elimination_offset): New functions.
	(struct machine_function): New member split_branches_pending_p.
	(s390_mainpool_start): Allow nonexistant pool insn for empty pool.
	(s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
	(s390_optimize_prologue): Remove base_used argument.  Call
	s390_update_frame_layout instead of s390_register_info.  Handle
	prologue/epilogue insns that touch only RETURN_REGNUM.
	(s390_reorg): Remove base_used.  Clear split_branches_pending_p.
	(s390_register_info): Remove base_used and return_addr_used
	arguments, compute special register usage inline.  Return live
	register data to caller.
	(s390_frame_info): Remove arguments, do not call s390_register_info.
	(s390_init_frame_layout): New function.
	(s390_update_frame_layout): Likewise.
	(s390_emit_prologue): Call s390_update_frame_layout; some code
	move to there.  Do not emit pool placeholder insn if unnecessary.

2004-09-30  Ulrich Weigand  <>

	* config/s390/s390.c (legitimate_reload_constant_p): Remove
	floating point constant workaround.
	(s390_secondary_input_reload_class): Handle PLUS reloads
	with too-large constant.
	(s390_expand_plus_operand): Likewise.
	* config/s390/ ("movdi"): Do not call force_const_mem.
	("movsi"): Likewise.  Also, remove workaround for non-general
	("movdf"): Do not call force_const_mem.
	("movsf"): Likewise.  Merge expander with *movsf insn.
	("*movsf"): Remove, merge with movsf expander.

2004-09-30  Paul Brook  <>

	* config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
	(ENDFILE_SPEC): Define.
	* config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.

2004-09-30  Richard Henderson  <>

	* config/alpha/qrnnd.asm: Mark for noexecstack.

2004-09-30  Kazu Hirata  <>

	* protoize.c, tree-cfg.c: Fix comment typos.

2004-09-30  Joseph S. Myers  <>

	PR c/17730
	* c-typeck.c (lvalue_or_else): Pass msgid directly to error.

2004-09-30  Diego Novillo  <>

	* tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
	(add_pointed_to_expr): ... here.
	Call add_pointed_to_expr for variables with DECL_INITIAL set.
	* tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
	pointer variable, if set.

2004-09-30  Kazu Hirata  <>

	* config/sh/sh.c: Follow spelling conventions.

2004-09-29  Richard Henderson  <>

	* unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
	* doc/tm.texi (DWARF_ZERO_REG): New.

	* config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
	alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
	* config/alpha/alpha.h (DWARF_ZERO_REG): New.

2004-09-29  Ulrich Weigand  <>

	* builtins.c (expand_builtin_strlen): Do not call emit_move_insn
	with a PLUS as source operand.
	(expand_movstr): Likewise.
	(expand_builtin_stpcpy): Likewise.

2004-09-29  Richard Henderson  <>

	PR 17739
	* tree-gimple.c (is_gimple_reg): Reject hard registers.
	(is_gimple_asm_val): New.
	* tree-gimple.h (is_gimple_asm_val): Declare.
	* gimplify.c (gimplify_asm_expr): Use it.
	* tree-pretty-print.c (print_declaration): Dump hard regs.
	* tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
	* tree-ssa-pre.c (is_undefined_value): Likewise.
	* tree-ssa-copy.c (may_propagate_copy): Likewise.
	(may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
	* tree-ssa.c (warn_uninit): Likewise.
	* tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.

2004-09-29  Fariborz Jahanian <>

	* c-decl.c (merge_decls): Use comptype when comparing
	types to decide on DECL_SIZE save of olddecl.

2004-09-29  Daniel Berlin  <>

	* tree.h (INDIRECT_REF_P): New macro.
	* alias.c (get_alias_set): Use it
	(nonoverlapping_memrefs_p): Ditto.
	* emit-rtl.c (mem_expr_equal_p): Ditto.
	(set_mem_attributes_minus_bitpos): Ditto.
	(is_gimple_addressable): Ditto.
	(get_base_address): Ditto.
	* tree-ssa-alias.c (find_ptr_derefernece): Ditto.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
	* tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
	(add_address_candidates): Ditto.
	(rewrite_address_base): Ditto.

2004-09-30  Ben Elliston  <>

	* tree-flow.h (struct bb_ann_d): Remove num_preds member.
	* tree-into-ssa.c (rewrite_into_ssa): Don't set it.
	(rewrite_ssa_into_ssa): Likewise.
	* tree-phinodes.c (create_phi_node): Access the number of
	predecessor edges using EDGE_COUNT() and not num_preds.

2004-09-29  Joseph S. Myers  <>

	PR c/7425
	* c-decl.c (merge_decls): Merge TREE_DEPRECATED.

2004-09-29  Eric Christopher  <>

	* fold-const.c (tree_swap_operands_p): Remove duplicated code.

2004-09-29  Hans-Peter Nilsson  <>

	* config/cris/ (moverside, movemside): With MEM, make sure
	the address is (plus reg mem).

2004-09-29  David Edelsohn  <>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.

2004-09-29  Nathan Sidwell  <>

	* tree.c (make_node_stat): Fix uninitialized warning.  Replace
	cascaded if ... else if with a switch.

2004-09-29  Aaron W. LaFramboise  <>

	* read-rtl.c (apply_macro_to_string): Replace index with strchr.

2004-09-29  Jakub Jelinek  <>

	* tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
	(va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
	* tree-pass.h (pass_stdarg): Add.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
	* tree-stdarg.c: New file.
	* (OBJS-common): Add tree-stdarg.o.
	(tree-stdarg.o): Add dependencies.
	* function.h (struct function): Add va_list_gpr_size and
	va_list_fpr_size fields.
	* function.c (allocate_struct_function): Initialize them.

	* config/i386/i386.c (ix86_build_builtin_va_list): Initialize
	(ix86_setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(ix86_va_start): Don't set up fields that won't be used.

	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
	(setup_incoming_varargs): Don't do anything if reg_save
	area will not be used.  Only save registers that tree-stdarg.c
	detected they need saving.
	(rs6000_va_start): Don't set up fields that won't be used.

2004-09-29  Jakub Jelinek  <>

	BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
	* builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
	ATTR_NONNULL_1_4): New.

2004-09-29  Jakub Jelinek  <>

	PR tree-optimization/17697
	* tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
	cfg if needed.

2004-09-28  Per Bothner  <>

	* profile.c (branch_prob): Pass correct value to output_location,
	even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.

2004-09-28  Richard Henderson  <>

	PR 15089
	* tree-ssa-copy.c (may_propagate_copy_into_asm): New.
	* tree-flow.h (may_propagate_copy_into_asm): Declare.
	* tree-ssa-ccp.c (replace_uses_in): Use it.
	* tree-ssa-dom.c (cprop_operand): Likewise.

2004-09-28 Jeff Law  <>

	* tree-ssa-threadupdate.c (create_block_for_threading): Request
	that no outgoing edges be left in the duplicate block.  Do no
	update information on outgoing edges or PHI nodes in target
	blocks here.
	(remove_ctrl_stmt_and_useless_edges): Renamed from
	remove_last_stmt_and_useless_edges.  Handle case where the
	block is empty or has no control statements.  Do not update edge
	flags here.
	(thread_block): Create a template block rather than copying the
	original block every time.  Create outgoing edges from the
	duplicate blocks and update PHIs at the target of the outgoing
	edges here.  Fix edge flags for the original block if necessary.
	* cfghooks (duplicate_block): No longer assert that the original
	block has incoming edges.

2004-09-29  Hans-Peter Nilsson  <>

	* doc/extend.texi (Extended Asm): Add blurb about using Explicit
	Reg Vars to enforce register allocation with general constraints.
	(Explicit Reg Vars): Clarify relation to asm statements.
	(Local Reg Vars): Similar.

2004-09-28  Ulrich Weigand  <>

	* sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
	TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
	build_control_flow, new_edge): Remove.
	(schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
	(bitlst, bitlst_table_last, bitlst_table): Remove.
	(bblst): Store basic_block pointer instead of block index.
	(bblst_table): Likewise.
	(edgelst): Store edge pointer instead of edge index.
	(edgelst_table, edgelst_last): New variables.
	(extract_bitlst): Rename to ...
	(extract_edgelst): ... this.  Return edge pointers, not indices.
	(split_edges): Update call.
	(rgn_edges): Store edge pointers instead of indices.
	(edge_to_bit): Remove.
	(EDGE_TO_BIT): Store per-region edge index in edge->aux.
	(SET_EDGE_TO_BIT): New macro.
	(is_cfg_nonregular): Check for simple cases of unreachable blocks.
	(find_rgns): Remove edge_list parameter.  Traverse standard CFG
	data structures instead of haifa_edge et al.  Use edge pointers
	instead of edge indices everywhere.
	(compute_dom_prob_ps): Use standard CFG data structures.  Account
	for exit edges.
	(compute_trg_info): Likewise.
	(propagate_deps): Likewise.
	(debug_candidate): Account for bblst data structure change.
	(check_live_1, update_live_1, is_pfree): Likewise.
	(IS_REACHABLE): Use standard CFG data structures.
	(init_ready_list): Update bblst_table/edgelst_table allocation.
	(schedule_region): Update alloc/cleanup code to data structure
	changes.  Use edge->aux to store per-region edge index.
	(init_regions): No longer call build_control_flow.  Do not
	create edge list any more.

2004-09-28  Ulrich Weigand  <>

	* cse.c (cse_insn): Avoid creating direct non-local jumps.
	* combine.c (can_combine_p): Likewise.
	* local-alloc. (update_equiv_regs): Likewise.

2004-09-28  Richard Henderson  <>

	PR 17531
	* expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
	Don't check VOIDmode here.  Force PLUS operands to common type.
	(expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
	Pmode if given a non pointer type.

2004-09-28  Zdenek Dvorak  <>

	PR 17531
	* optabs.c (expand_binop): Force constants to the correct mode.

2004-09-28  Ulrich Weigand  <>

	* config/s390/s390.c (s390_adjust_cost): Remove.
	(TARGET_SCHED_ADJUST_COST): Do not redefine.
	(s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
	* config/s390/ ("main_pool"): Use "larl" type
	attribute if TARGET_CPU_ZARCH.

2004-09-28  Jakub Jelinek  <>

	* config/ia64/ia64.c (ia64_expand_prologue): Declare ei

2004-09-28  Diego Novillo  <>

	* tree-ssa-loop.c (pass_record_bounds): Do not assign a
	name to the pass.

2004-09-28  Steven Bosscher  <>

	* common.opt (flag_gcse_sm): Disable by default.
	(flag_gcse_las): Likewise.
	(flag_web): Likewise.  Create from this file.
	* flags.h: Remove flag_web declaration.
	* toplev.c (flag_web): Likewise.
	(process_options): Never set flag_web.

2004-09-28  Steven Bosscher  <>

	* (tree-ssa-propagate.o): Depend on vec.h.
	* tree-ssa-propagate.c: Include vec.h.
	(interesting_ssa_edges, varying_ssa_edges): Make these VECs
	instead of varrays.
	(cfg_blocks_add): Assert the block is not already in the worklist.
	Update uses of interesting_ssa_edges and varying_ssa_edges.
	(process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
	ssa_propagate): Likewise.

2004-09-28  Joseph S. Myers  <>

	PR c/16409
	* c-decl.c (start_decl): Check for initializing incomplete array
	of VLAs.
	(build_compound_literal): Check for TYPE being error_mark_node.
	* (primary): Check for VLA compound literals.

2004-09-28  Diego Novillo  <>

	* tree-ssa-live.c (calculate_live_on_entry): Fix warnings
	with --disable-checking.

2004-09-28  Devang Patel  <>

	* tree-pretty-print.c (dump_generic_node): Print vector types.

2004-09-28  Nick Clifton  <>

	* config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
	invocation of the function sh_init_cumulative_args.
	* config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
	* config/sh/sh.c (sh_init_cumulative_args): New function based
	on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
	heuristic added to determine the setting of force_mem when a
	library function is being called.

2004-09-28  Diego Novillo  <>

	* tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
	Skip constant arguments.

2004-09-28  Diego Novillo  <>

	* tree-ssa-alias.c (create_name_tags): If PTR points to a
	volatile type, mark the tag volatile.
	(get_tmt_for): If TAG_TYPE is a volatile type, mark the tag

2004-09-28  Andrew Pinski  <>

	* tree.def (vec_cond_expr): Fix. Change 'e'
	to tcc_expression.

2004-09-28  Kazu Hirata  <>

	* basic-block.h: Fix a comment typo.

2004-09-28  Kazu Hirata  <>

	* optabs.c, optabs.h: Fix comment typos.

2004-09-28  Eric Botcazou  <>

	* config/sparc/ (call_address_struct_value_sp32):
	Properly mask the immediate field of the 'unimp' instruction.
	(call_symbolic_struct_value_sp32): Likewise.

2004-09-28  Ben Elliston  <>
	    Steven Bosscher  <>
	    Andrew Pinski  <>

	Merge from edge-vector-branch:
	* basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
	(struct edge_def): Remove pred_next, succ_next members.
	(struct basic_block_def): Remove pred, succ members.  Add preds
	and succs members of type VEC(edge).
	(FALLTHRU_EDGE): Redefine using EDGE_SUCC.
	(BRANCH_EDGE): Likewise.
	(EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
	(edge_iterator): New.
	(ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
	(ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
	* bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
	where applicable.
	(rotate_loop): Likewise.
	(find_traces_1_route): Likewise.
	(bb_to_key): Likewise.
	(connect_traces): Likewise.
	(copy_bb_p): Likewise.
	(find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
	(add_labels_and_missing_jumps): Likewise.
	(fix_up_fall_thru_edges): Likewise.
	(find_jump_block): Likewise.
	(fix_crossing_conditional_branches): Likewise.
	(fix_crossing_unconditional_branches): Likewise.
	(add_reg_crossing_jump_notes): Likewise.
	* bt-load.c (augment_live_range): Likewise.
	* cfg.c (clear_edges): Likewise.
	(unchecked_make_edge): Likewise.
	(cached_make_edge): Likewise.
	(make_single_succ_edge): Likewise.
	(remove_edge): Likewise.
	(redirect_edge_succ_nodup): Likewise.
	(check_bb_profile): Likewise.
	(dump_flow_info): Likewise.
	(alloc_aux_for_edges): Likewise.
	(clear_aux_for_edges): Likewise.
	(dump_cfg_bb_info): Likewise.
	* cfganal.c (forwarder_block_p): Likewise.
	(can_fallthru): Likewise.
	(could_fall_through): Likewise.
	(mark_dfs_back_edges): Likewise.
	(set_edge_can_fallthru_flag): Likewise.
	(find_unreachable_blocks): Likewise.
	(create_edge_list): Likewise.
	(verify_edge_list): Likewise.
	(add_noreturn_fake_exit_edges): Likewise.
	(connect_infinite_loops_to_exit): Likewise.
	(flow_reverse_top_sort_order_compute): Likewise.
	(flow_depth_first_order_compute): Likewise.
	(flow_preorder_transversal_compute): Likewise.
	(flow_dfs_compute_reverse_execute): Likewise.
	(dfs_enumerate_from): Likewise.
	(compute_dominance_frontiers_1): Likewise.
	* cfgbuild.c (make_edges): Likewise.
	(compute_outgoing_frequencies): Likewise.
	(find_many_sub_basic_blocks): Likewise.
	(find_sub_basic_blocks): Likewise.
	* cfgcleanup.c (try_simplify_condjump): Likewise.
	(thread_jump): Likewise.
	(try_forward_edges): Likewise.
	(merge_blocks_move): Likewise.
	(outgoing_edges_match): Likewise.
	(try_crossjump_to_edge): Likewise.
	(try_crossjump_bb): Likewise.
	(try_optimize_cfg): Likewise.
	(merge_seq_blocks): Likewise.
	* cfgexpand.c (expand_gimple_tailcall): Likewise.
	(expand_gimple_basic_block): Likewise.
	(construct_init_block): Likewise.
	(construct_exit_block): Likewise.
	* cfghooks.c (verify_flow_info): Likewise.
	(dump_bb): Likewise.
	(delete_basic_block): Likewise.
	(split_edge): Likewise.
	(merge_blocks): Likewise.
	(make_forwarder_block): Likewise.
	(tidy_fallthru_edges): Likewise.
	(can_duplicate_block_p): Likewise.
	(duplicate_block): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	(fixup_fallthru_exit_predecessor): Likewise.
	(can_copy_bbs_p): Likewise.
	(copy_bbs): Likewise.
	* cfgloop.c (flow_loops_cfg_dump): Likewise.
	(flow_loop_entry_edges_find): Likewise.
	(flow_loop_exit_edges_find): Likewise.
	(flow_loop_nodes_find): Likewise.
	(mark_single_exit_loops): Likewise.
	(flow_loop_pre_header_scan): Likewise.
	(flow_loop_pre_header_find): Likewise.
	(update_latch_info): Likewise.
	(canonicalize_loop_headers): Likewise.
	(flow_loops_find): Likewise.
	(get_loop_body_in_bfs_order): Likewise.
	(get_loop_exit_edges): Likewise.
	(num_loop_branches): Likewise.
	(verify_loop_structure): Likewise.
	(loop_latch_edge): Likewise.
	(loop_preheader_edge): Likewise.
	* cfgloopanal.c (mark_irreducible_loops): Likewise.
	(expected_loop_iterations): Likewise.
	* cfgloopmanip.c (remove_bbs): Likewise.
	(fix_bb_placement): Likewise.
	(fix_irreducible_loops): Likewise.
	(remove_path): Likewise.
	(scale_bbs_frequencies): Likewise.
	(loopify): Likewise.
	(unloop): Likewise.
	(fix_loop_placement): Likewise.
	(loop_delete_branch_edge): Likewise.
	(duplicate_loop_to_header_edge): Likewise.
	(mfb_keep_just): Likewise.
	(create_preheader): Likewise.
	(force_single_succ_latches): Likewise.
	(loop_split_edge_with): Likewise.
	(create_loop_notes): Likewise.
	* cfgrtl.c (rtl_split_block): Likewise.
	(rtl_merge_blocks): Likewise.
	(rtl_can_merge_blocks): Likewise.
	(try_redirect_by_replacing_jump): Likewise.
	(force_nonfallthru_and_redirect): Likewise.
	(rtl_tidy_fallthru_edge): Likewise.
	(commit_one_edge_insertion): Likewise.
	(commit_edge_insertions): Likewise.
	(commit_edge_insertions_watch_calls): Likewise.
	(rtl_verify_flow_info_1): Likewise.
	(rtl_verify_flow_info): Likewise.
	(purge_dead_edges): Likewise.
	(cfg_layout_redirect_edge_and_branch): Likewise.
	(cfg_layout_can_merge_blocks_p): Likewise.
	(rtl_flow_call_edges_add): Likewise.
	* cse.c (cse_cc_succs): Likewise.
	* df.c (hybrid_search): Likewise.
	* dominance.c (calc_dfs_tree_nonrec): Likewise.
	(calc_dfs_tree): Likewise.
	(calc_idoms): Likewise.
	(recount_dominator): Likewise.
	* domwalk.c (walk_dominator_tree): Likewise.
	* except.c (emit_to_new_bb_before): Likewise.
	(connect_post_landing_pads): Likewise.
	(sjlj_emit_function_enter): Likewise.
	(sjlj_emit_function_exit): Likewise.
	(finish_eh_generation): Likewise.
	* final.c (compute_alignments): Likewise.
	* flow.c (calculate_global_regs_live): Likewise.
	(initialize_uninitialized_subregs): Likewise.
	(init_propagate_block_info): Likewise.
	* function.c (thread_prologue_and_epilogue_insns): Likewise.
	* gcse.c (find_implicit_sets): Likewise.
	(bypass_block): Likewise.
	(bypass_conditional_jumps): Likewise.
	(compute_pre_data): Likewise.
	(insert_insn_end_bb): Likewise.
	(insert_store): Likewise.
	(remove_reachable_equiv_notes): Likewise.
	* global.c (global_conflicts): Likewise.
	(calculate_reg_pav): Likewise.
	* graph.c (print_rtl_graph_with_bb): Likewise.
	* ifcvt.c (mark_loop_exit_edges): Likewise.
	(merge_if_block): Likewise.
	(find_if_header): Likewise.
	(block_jumps_and_fallthru_p): Likewise.
	(find_if_block): Likewise.
	(find_cond_trap): Likewise.
	(block_has_only_trap): Likewise.
	(find_if_case1): Likewise.
	(find_if_case_2): Likewise.
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
	(perfect_nestify): Likewise.
	* lcm.c (compute_antinout_edge): Likewise.
	(compute_laterin): Likewise.
	(compute_available): Likewise.
	(compute_nearerout): Likewise.
	* loop-doloop.c (doloop_modify): Likewise.
	* loop-init.c (loop_optimizer_init): Likewise.
	* loop-invariant.c (find_exits): Likewise.
	* loop-iv.c (simplify_using_initial_values): Likewise.
	(check_simple_exit): Likewise.
	(find_simple_exit): Likewise.
	* loop-unroll.c (peel_loop_completely): Likewise.
	(unroll_loop_constant_iterations): Likewise.
	(unroll_loop_runtime_iterations): Likewise.
	* loop-unswitch.c (may_unswitch_on): Likewise.
	(unswitch_loop): Likewise.
	* modulo-sched.c (generate_prolog_epilog): Likewise.
	(sms_schedule): Likewise.
	* postreload-gcse.c (eliminate_partially_redundant_load):
	* predict.c (can_predict_insn_p): Likewise.
	(set_even_probabilities): Likewise.
	(combine_predictions_for_bb): Likewise.
	(predict_loops): Likewise.
	(estimate_probability): Likewise.
	(tree_predict_by_opcode): Likewise.
	(tree_estimate_probability): Likewise.
	(last_basic_block_p): Likewise.
	(propagate_freq): Likewise.
	(estimate_loops_at_level): Likewise.
	(estimate_bb_frequencies): Likewise.
	* profile.c (instrument_edges): Likewise.
	(get_exec_counts): Likewise.
	(compute_branch_probabilities): Likewise.
	(branch_prob): Likewise.
	* ra-build.c (live_in): Likewise.
	* ra-rewrite.c (rewrite_program2): Likewise.
	* ra.c (reg_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_entry): Likewise.
	(compensate_edge): Likewise.
	(convert_regs_1): Likewise,
	(convert_regs_2): Likewise.
	(convert_regs): Likewise.
	* regrename.c (copyprop_hardreg_forward): Likewise.
	* reload1.c (fixup_abnormal_edges): Likewise.
	* sbitmap.c (sbitmap_intersection_of_succs): Likewise.
	(sbitmap_insersection_of_preds): Likewise.
	(sbitmap_union_of_succs): Likewise.
	(sbitmap_union_of_preds): Likewise.
	* sched-ebb.c (compute_jump_reg_dependencies): Likewise.
	(fix_basic_block_boundaries): Likewise.
	(sched_ebbs): Likewise.
	* sched-rgn.c (build_control_flow): Likewise.
	(find_rgns): Likewise.
	* tracer.c (find_best_successor): Likewise.
	(find_best_predecessor): Likewise.
	(tail_duplicate): Likewise.
	* tree-cfg.c (make_edges): Likewise.
	(make_ctrl_stmt_edges): Likewise.
	(make_goto_expr_edges): Likewise.
	(tree_can_merge_blocks_p): Likewise.
	(tree_merge_blocks): Likewise.
	(cfg_remove_useless_stmts_bb): Likewise.
	(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
	(tree_block_forwards_to): Likewise.
	(cleanup_control_expr_graph): Likewise.
	(find_taken_edge): Likewise.
	(dump_cfg_stats): Likewise.
	(tree_cfg2vcg): Likewise.
	(disband_implicit_edges): Likewise.
	(tree_find_edge_insert_loc): Likewise.
	(bsi_commit_edge_inserts): Likewise.
	(tree_split_edge): Likewise.
	(tree_verify_flow_info): Likewise.
	(tree_make_forwarder_block): Likewise.
	(tree_forwarder_block_p): Likewise.
	(thread_jumps): Likewise.
	(tree_try_redirect_by_replacing_jump): Likewise.
	(tree_split_block): Likewise.
	(add_phi_args_after_copy_bb): Likewise.
	(rewrite_to_new_ssa_names_bb): Likewise.
	(dump_function_to_file): Likewise.
	(print_pred_bbs): Likewise.
	(print_loop): Likewise.
	(tree_flow_call_edges_add): Likewise.
	(split_critical_edges): Likewise.
	(execute_warn_function_return): Likewise.
	(extract_true_false_edges_from_block): Likewise.
	* tree-if-conv.c (tree_if_conversion): Likewise.
	(if_convertable_bb_p): Likewise.
	(find_phi_replacement_condition): Likewise.
	(combine_blocks): Likewise.
	* tree-into-ssa.c (compute_global_livein): Likewise.
	(ssa_mark_phi_uses): Likewise.
	(ssa_rewrite_initialize_block): Likewise.
	(rewrite_add_phi_arguments): Likewise.
	(ssa_rewrite_phi_arguments): Likewise.
	(insert_phi_nodes_for): Likewise.
	(rewrite_into_ssa): Likewise.
	(rewrite_ssa_into_ssa): Likewise.
	* tree-mudflap.c (mf_build_check_statement_for): Likewise.
	* tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
	(rewrite_trees): Likewise.
	* tree-pretty-print.c (dump_bb_header): Likewise.
	(dump_implicit_edges): Likewise.
	* tree-sra.c (insert_edge_copies): Likewise.
	(find_obviously_necessary_stmts): Likewise.
	(remove_data_stmt): Likewise.
	* tree-ssa-dom.c (thread_across_edge): Likewise.
	(dom_opt_finalize_block): Likewise.
	(single_incoming_edge_ignoring_loop_edges): Likewise.
	(record_equivalences_from_incoming_edges): Likewise.
	(cprop_into_successor_phis): Likewise.
	* tree-ssa-live.c (live_worklist): Likewise.
	(calculate_live_on_entry): Likewise.
	(calculate_live_on_exit): Likewise.
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
	(copy_loop_headers): Likewise.
	* tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
	(fill_always_executed_in): Likewise.
	* tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
	* tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
	(compute_phi_arg_on_exit): Likewise.
	* tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
	(get_loops_exit): Likewise.
	(split_loop_exit_edge): Likewise.
	(ip_normal_pos): Likewise.
	* tree-ssa-loop-niter.c (simplify_using_initial_conditions):
	* tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
	(replace_phi_with_stmt): Likewise.
	(value_replacement): Likewise.
	* tree-ssa-pre.c (compute_antic_aux): Likewise.
	(insert_aux): Likewise.
	(init_pre): Likewise.
	* tree-ssa-propagate.c (simulate_stmt): Likewise.
	(simulate_block): Likewise.
	(ssa_prop_init): Likewise.
	* tree-ssa-threadupdate.c (thread_block): Likewise.
	(create_block_for_threading): Likewise.
	(remove_last_stmt_and_useless_edges): Likewise.
	* tree-ssa.c (verify_phi_args): Likewise.
	(verify_ssa): Likewise.
	* tree_tailcall.c (independent_of_stmt_p): Likewise.
	(find_tail_calls): Likewise.
	(eliminate_tail_call): Likewise.
	(tree_optimize_tail_calls_1): Likewise.
	* tree-vectorizer.c (vect_transform_loop): Likewise.
	* var-tracking.c (prologue_stack_adjust): Likewise.
	(vt_stack_adjustments): Likewise.
	(vt_find_locations): Likewise.
	* config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
	* config/i386/i386.c (ix86_pad_returns): Likewise.
	* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.

2004-09-28  Eric Botcazou  <>

	PR target/16532
	* config/sparc/sparc.c (struct machine_function): New field
	'leaf_function_p' and 'prologue_data_valid_p'.
	(sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
	to conveniently access the above fields.
	(eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
	of the generic flavor 'current_function_uses_only_leaf_regs'.
	(eligible_for_sibcall_delay): Likewise.
	(sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
	'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
	(sparc_asm_function_prologue): Add sanity check for the assumption
	made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
	(sparc_can_use_return_insn_p): New function.
	(sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
	(output_restore): Likewise.
	(output_sibcall): Likewise.
	(sparc_output_mi_thunk): Likewise.
	* config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
	* config/sparc/ (return): New expander.

	* config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.

2004-09-27  Mark Mitchell  <>

	PR c++/17642
	* stor-layout.c (layout_decl): Use fold_convert, not convert.
	(bit_from_pos): Likewise.
	(byte_from_pos): Likewise.
	(pos_from_bit): Likewise.
	(normalize_offset): Likewise.
	(place_field): Likewise.
	(finalize_type_size): Likewise.
	(layout_type): Likewise.
	* tree.c (build_index_type): Likewise.

2004-09-27  Devang Patel  <>

	* expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
	* genopinit.c (optabs): New entry for vcond_gen_code and
	* optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
	(get_rtx_code): New function.
	(vector_compare_rtx): New function.
	(init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
	(expand_vec_cond_expr_p): New function.
	(expand_vec_cond_expr): New function.
	(get_vcond_icode): New function.
	* optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
	(vcond_gen_code, vcondu_gen_code): Same.

2004-09-27  Kelley Cook  <>

	* (STAGESTUFF): Split into ...
	(mostlyclean): Update.
	(stage1-start, stage2-start, stage3-start, stage4-start,
	stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.

2004-09-27  Eric Botcazou  <>

	* system.h (getpagesize): Return 'int' instead of 'long'.

2004-09-27  Michael Matz <>

	PR bootstrap/17698
	PR bootstrap/17702
	* bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
	bmp_iter_and_init): Shift by bit_in_word.

2004-09-27  Kelley Cook  <>

	* aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
	* Don't sinclude it here.
	* configure: Regenerate.

2004-09-27  Dorit Naishlos  <>

	* config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
	Handle AND pattern

2004-09-27  Joseph S. Myers  <>

	PR c/13804
	* c-typeck.c (build_component_ref): Name type involved in
	diagnostic for structure or union without a member of the given

2004-09-27  DJ Delorie  <>

	* config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
	.comm alignment is bytes, not bits.

2004-09-27  Devang Patel  <>

	* tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
	(print_call_name): Do not print VEC_COND_EXPR.

2004-09-27  Devang Patel  <>

	* tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.

2004-09-27  Jan Hubicka  <>

	* i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.

2004-09-27  Kazu Hirata  <>

	* bitmap.h: Fix a comment typo.

2004-09-27  Aaron W. LaFramboise <>

	* libgcc2.c (getpagesize): Change type of return value to int.

2004-09-26  Matt Austern  <>

	* ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
	using mmap.

2004-09-26  Zdenek Dvorak  <>

	EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
	(bitmap_iterator): New type.
	(bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
	bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
	bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
	bmp_iter_and_init, bmp_iter_and_next): New functions.
	* basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
	use iterator-style EXECUTE_IF_IN_BITMAP macros.
	* bitmap.c (bitmap_print): Ditto.
	* bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
	btr_def_live_range): Ditto.
	* cfganal.c (compute_dominance_frontiers_1) Ditto.
	* cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
	* ddg.c (build_inter_loop_deps): Ditto.
	* df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
	* except.c (remove_eh_handler): Ditto.
	* flow.c (reg_set_to_hard_reg_set): Ditto.
	* gcse.c (clear_modify_mem_tables): Ditto.
	* global.c (build_insn_chain): Ditto.
	* ifcvt.c (dead_or_predicable): Ditto.
	* loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
	* ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
	* ra-rewrite.c (reloads_to_loads, rewrite_program2,
	detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
	* tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
	tree_purge_all_dead_eh_edges): Ditto.
	* tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
	insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
	rewrite_ssa_into_ssa): Ditto.
	* tree-outof-ssa.c (find_replaceable_exprs): Ditto.
	* tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
	* tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
	compute_flow_sensitive_aliasing, maybe_create_global_var,
	dump_points_to_info_for): Ditto.
	* tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
	* tree-ssa-dse.c (dse_finalize_block): Ditto.
	* tree-ssa-live.c (live_worklist, calculate_live_on_entry,
	calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
	* tree-ssa-loop-ivopts.c (find_induction_variables,
	find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
	determine_use_iv_costs, determine_set_costs, find_best_candidate,
	set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
	* tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
	* tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
	add_call_read_ops): Ditto.
	* tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.

2004-09-26  John David Anglin  <>

	* pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,

2004-09-26  Ulrich Weigand  <>

	* builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
	reflect size of memory regions being compared.

2004-09-26  Ulrich Weigand  <>

	* builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
	expressions.  Always clear MEM_SIZE and alias set.

2004-09-26  Roger Sayle  <>
	    Giovanni Bajo  <>

	PR middle-end/17112
	* stor-layout.c (compute_record_mode): For records with a single
	field, only use the field's mode if its size matches what we'd
	have choosen for the record ourselves.  This forces the use of
	BLKmode for packed records that don't completely fill a mode.

2004-09-26  Roger Sayle  <>

	PR middle-end/17151
	* combine.c (force_to_mode): Remove dubious early return test that
	inhibits further optimization.

2004-09-26  Kazu Hirata  <>

	* profile.c: Fix a comment typo.

2004-09-26  Zdenek Dvorak  <>

	PR bootstrap/17591
	* tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
	with varying offset.
	* tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
	(idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
	(expr_invariant_in_loop_p): New function.
	(idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
	component_ref_field_offset for COMPONENT_REFs.  Do not allow
	(add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
	(idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
	(rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and

2004-09-26  Joseph S. Myers  <>

	PR c/11459
	* gcc.c (cpp_options, cc1_options): Preserve relative order of
	-std and -ansi options.

2004-09-26  Jan Hubicka  <>

	* dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
	for nested functions whose proper parent has not been output.

	* profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
	when re-constructing profile previously invalidated by loop.

2004-09-25  Dale Johannesen  <>

	* tree-gimple.c: Move GIMPLE definition...
	* doc/tree-ssa.texi: here.

2004-09-25  Kazu Hirata  <>

	* tree-vectorizer.c: Fix a comment typo.

2004-09-25  Kazu Hirata  <>

	* c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
	gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
	lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
	tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.

2004-09-25  Kazu Hirata  <>

	* tree-ssa-loop-unswitch.c: Fix a comment typo.

2004-09-25  Kazu Hirata  <>

	* doc/passes.texi: Fix a typo.

2004-09-25  Zdenek Dvorak  <>

	* tree-optimize.c (init_tree_optimization_passes): Add
	* tree-pass.h (pass_record_bounds): Declare.
	* tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
	New pass.

2004-09-25  Zdenek Dvorak  <>

	PR tree-optimization/17474
	* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
	offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.

2004-09-25  Jan Hubicka  <>

	* predict.c (counts_to_freqs): Make global.
	* predict.h (counts_to_freqa): Declare.
	* profile.c (compute_branch_probabilities): Compute frequencies
	* tree-profile.c (do_tree_profiling): Refine conditional on when
	tree profiling pass is needed.

	* passes.c (rest_of_handle_cfg): Disable const/pure function
	detection when doing tree based profiling.

	* tree-inline.c (expand_call_inline): Fix incorrectly reversed

2004-09-25  Richard Sandiford  <>

	* config/mips/mips.h (struct mips_args): Clarify comments.
	* config/mips/mips.c (struct mips_arg_info): Likewise.
	(mips_arg_info): Don't allow fpr_p to affect the register or
	stack alignment.  Remove o64 silliness.
	(function_arg): Deal with the o32 float,float case specially.

2004-09-25  Richard Sandiford  <>

	* config/mips/ (loadx, storex): Define for V2SF.

2004-09-25  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
	* config/s390/s390.c (s390_back_chain_rtx): New function.
	* config/s390/ ("allocate_stack"): Use s390_back_chain_rtx.
	Call anti_adjust_stack.
	("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
	only if compiling with back chain.
	("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
	back chain only if back chain enabled.  Use s390_back_chain_rtx.

2004-09-25  Joseph S. Myers  <>

	* doc/trouble.texi: Remove obsolete information.  Update
	information on how to regenerate fixincluded headers.

2004-09-25  Joseph S. Myers  <>

	PR c/12951
	* doc/invoke.texi: Document that
	-Wno-error-implicit-function-declaration is not accepted.

2004-09-24  Richard Henderson  <>

	* config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
	* config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
	(alpha_expand_mov): Allow unaligned vectors.
	(alpha_expand_unaligned_store): Use CONST0_RTX.

2004-09-24 Jeff Law  <>

	* tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
	aliasing rules.
	(simplify_cond_and_lookup_avail_expr): Likewise.

2004-09-24  Joseph S. Myers  <>

	PR c/12802
	* doc/extend.texi (Unnamed Fields): Remove "." from end of long
	title.  Document interaction with -fms-extensions.
	* doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields

2004-09-24  Joseph S. Myers  <>

	PR c/12713
	* doc/extend.texi: Document interaction of attribute noreturn and

2004-09-24  Richard Henderson  <>

	PR rtl-opt/17503
	* regclass.c (subregs_of_mode): Turn into an htab.  Make static.
	(som_hash, som_eq): New.
	(init_subregs_of_mode, record_subregs_of_mode): New.
	(cannot_change_mode_set_regs): Rewrite for htab implementation.
	(invalid_mode_change_p): Likewise.
	* combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
	* flow.c (mark_used_regs): Likewise.
	(life_analysis): Use init_subregs_of_mode.
	* regs.h (subregs_of_mode): Remove.
	* rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.

2004-09-24  Andrew Pinski  <>

	* tree-ssa-phiopt.c (conditional_replacement): Use the correct
	type with the copy of the conditional.

2004-09-24  Andrew Pinski  <>

	PR tree-opt/16954
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Prevent renaming if the aliasing sets of the type which the
	pointer points to are different.

2004-09-24  Joseph S. Myers  <>

	PR c/17188
	* c-decl.c (diagnose_mismatched_decls): Check for duplicate
	declarations of enumerators.
	(start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
	for redefinition.  Check for nested redefinition.
	(finish_struct): Don't check for nested redefinition.
	(start_enum): Check for nested redefinition.

2004-09-24  Devang Patel  <>

	* tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
	only when necesssary.
	(combine_blocks): Combine loop header and exit block.

2004-09-24  Paolo Bonzini  <>

	* hooks.c (hook_tree_tree_bool_null): New.
	* hooks.h (hook_tree_tree_bool_null): Declare it.
	* target-def.c (TARGET_FOLD_BUILTIN): Point to it.
	* targhooks.c (default_fold_builtin): Remove.
	* targhooks.h (default_fold_builtin): Remove.

2004-09-24  Zdenek Dvorak  <>

	PR rtl-optimization/17625
	* loop-doloop.c (doloop_modify): Unshare rtl before emitting it.

2004-09-24  Andrew Pinski  <>

	PR tree-opt/17624
	* tree-ssa-forwprop.c (record_single_argument_cond_exprs):
	Reject if any of the operands occur in an abnormal PHI.

2004-09-24  Andreas Schwab  <>

	* tree-ssa-dom.c (record_range): Fix violation of strict aliasing

2004-09-24  Eric Botcazou  <>

	* config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
	if the GNU assembler is used.
	(sparc-*-solaris2*): Likewise.
	* dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
	(dbxout_function_end): Protect N_ENSYM with it.
	(dbxout_begin_prologue): Protect N_BNSYM with it.
	* doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
	* config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
	* config/sparc/sol2-gas.h: New file.

2004-09-23  H.J. Lu  <>

	PR bootstrap/17369
	* (@set_gcc_lib_path@): Added.

	* Include ../config/gcc-lib-path.m4. Use
	* configure: Regenerated.

2004-09-24  Joseph S. Myers  <>

	PR c/6980
	* c-typeck.c (build_c_cast): Improve wording of
	-Wbad-function-cast diagnostic.

2004-09-23  Hans-Peter Nilsson  <>

	PR target/17626
	* config/cris/ (moverside, movemside): Rename variable
	"reg" to "otherop".  To generate canonical RTX, check that otherop
	isn't constant instead of checking that operand 1 is a register.

2004-09-23  Jakub Jelinek  <>

	* tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.

2004-09-23  Diego Novillo  <>
	    Jakub Jelinek  <>

	* tree-flow.h (find_new_referenced_vars): Add prototype.
	* tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
	Move to...
	* tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
	... here.
	(mark_new_vars_to_rename): Walk through all operands.
	* tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
	(execute_fold_all_builtins): Use it.
	(pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.

2004-09-23  P.J. Darcy  <>

	* gthr-tpf.h: New file.
	* config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
	* gthr.h: Use gthr-tpf.h on TPF OS.

2004-09-23 Jeff Law  <>

	* tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
	(substitute_and_fold): Likewise.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
	except invariants from SSA_NAME_VALUE.
	(thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
	(restore_vars_to_original_value, record_const_or_copy): Likewise.
	(record_equivalences_from_phis, record_const_or_copy_1): Likewise.
	(record_equality, cprop_into_successor_phis): Likewise.
	(record_equivalences_from_stmt, cprop_operand): Likewise.
	(lookup_avail_expr): Likewise.
	* tree-ssa-pre.c (fini_pre): Remove everything except invariants
	(struct tree_ssa_name): Kill EQUIV field.  Remove GGC skip
	annotation from the VALUE_HANDLE field.

2004-09-21 Fariborz Jahanian <>

	PR c++/13989
	PR c++/9844
	* tree.c (reconstruct_complex_type): Remove extra "this".
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
	Add V4SFmode to case statement.

2004-09-23  Joseph S. Myers  <>

	PR c/16833
	* doc/extend.texi, doc/invoke.texi: Document interaction of
	-fno-builtin with format checks.  Note that built-in functions
	have effects beyond generating code that avoids calls to those

2004-09-23  Frank Ch. Eigler <>

	PR tree-optimization/17533
	* dominance.c (verify_dominators): Tolerate even more incorrect
	dominance data during error message printing.
	* tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
	and edges more correctly.

2004-09-23  Dorit Naishlos <>

	New tree-codes.
	* tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
	* alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
	* emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
	* expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
	(find_interesting_uses_address): Likewise.
	* fold-const.c (non_lvalue, operand_equal_p): Likewise.
	(build_fold_addr_expr_with_type): Likewise.
	* gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
	* print-rtl.c (print_mem_expr): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-eh.c (tree_could_trap_p): Likewise.
	* tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
	* tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
	* tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
	* tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
	(add_address_candidates, rewrite_address_base): Likewise.
	* tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
	* tree.c (staticp, build1_stat): Likewise.

	* tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
	* tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* expr.c (expand_expr_real_1): Likewise.

	* optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
	(OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
	for the new optabs.
	(expand_ternary_op): New function.
	* genopinit.c (optabs): Handle the new optabs.
	* optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
	(init_optabs): Initialize vec_realign_load_optab.
	(expand_ternary_op): New functions.

	* target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
	(TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
	* target.h (struct vectorize): New member for struct gcc_target.
	(misaligned_mem_ok): New member for targetm.vectorize.
	(builtin_mask_for_load): Likewise.
	(builtin_mask_for_store): Likewise.
	* targethooks.c (default_vect_misaligned_mem_ok): New function.
	* targethooks.h (default_vect_misaligned_mem_ok): New function.

	* config/rs6000/ (build_vector_mask_for_load): New
	(vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
	(vec_realign_load_v16qi): New define_insn.
	* config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
	(ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
	* config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
	(altivec_builtin_mask_for_store): New variables.
	(rs6000_builtin_mask_for_load): New function. Implements
	(rs6000_builtin_mask_for_store): New function. Implements
	(rs6000_expand_builtin): Expand the target builtins
	builtin_mask_for_load and builtin_mask_for_store.
	(altivec_init_builtins): Initialize the new target builtins.
	* config/i386/i386.c (ix86_misaligned_mem_ok): New function.
	Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.

	* tree-vectorizer.c (vect_create_data_ref): Renamed to
	vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
	(vect_create_addr_base_for_vector_ref): Additional argument (offset).
	(vectorizable_store): Call vect_create_data_ref_ptr with additional
	arguments, and create an indirect_ref with its return value data_ref.
	Check aligned_access_p.
	(vectorizable_load): Handle misaligned loads, using software-pipelined
	vec_realign_load_optab is supported, or using a scheme without
	software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
	misaligned_mem_ok is supported.

	(vect_finish_stmt_generation): Typo.
	(vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
	(vect_analyze_data_refs_alignment): Don't fail vectorization in the
	presence of misaligned loads.
	(vect_analyze_data_ref_access): Add check for constant init.
	(vect_get_symbl_and_dr): Remove duplicate line.
	* tree-vectorizer.h (DR_MISALIGNMENT): Add comment.

2004-09-23  Kazu Hirata  <>

	* builtins.c: Fix a comment typo.

2004-09-23  Jan Hubicka  <>

	* profile.c (branch_prob): Do not verify flow info in the middle of the

2004-09-23  Zdenek Dvorak  <>

	* cfgloop.h (update_single_exits_after_duplication): Declare.
	(loopify, split_loop_bb): Declaration changed.
	* cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
	of rtx.
	(loopify): Added redirect_all_edges argument.
	(update_single_exits_after_duplication): Export.
	* loop-unswitch.c (unswitch_loop): Changed due to loopify change.
	* tree-flow.h (tree_duplicate_loop_to_header_edge,
	tree_ssa_loop_version): Declare.
	* tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
	set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
	lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
	lv_update_pending_stmts, tree_ssa_loop_version): New functions.

	* tree-ssa-loop-unswitch.c: New file.
	* (tree-ssa-loop-unswitch.o): Add.
	* timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
	* tree-flow.h (tree_ssa_unswitch_loops): Declare.
	* tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
	* tree-pass.h (pass_unswitch): Declare.
	* tree-ssa-loop.c (tree_ssa_loop_unswitch,
	gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
	* doc/passes.texi: Documen tree level loop unswitching.

2004-09-23  Kazu Hirata  <>

	* cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.

2004-09-22  Eric Christopher  <>

	* builtins.c (simplify_builtin_va_start): Remove.
	(simplify_builtin): Ditto.
	(fold_builtin_strchr): Ditto.
	(simplify_builtin_*): Rename remainders to fold_builtin_*.
	(expand_builtin): Fix up for above changes.
	(fold_builtin_1): Add new folders. Change for above.
	(expand_builtin_va_start): Call fold_builtin_next_arg.
	* gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
	* tree.h: Remove prototype for simplify_builtin.

2004-09-23  Jan Hubicka  <>

	PR debug/17389
	* dwarf2out.c (dwarf2out_finish): Deal with nested functions
	of fully inlined functions.
	* tree-inline.c (inline_forbidden_p_1): Nested functions can be

	* cfgexpand.c (add_reg_br_prob_note): New function.
	(expand_gimple_cond_expr): Use it.
	(tree_expand_cfg): No longer kill the profile.
	* cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
	only if it is present.
	* passes.c (rest_of_handle_loop_optimize): Kill the profile.
	* predict.c (combine_predictions_for_insn): Set the probabilities
	based on REG_BR_PROB note if present.
	* predict.c (branch_prob): Profile is read only with

2004-09-22  Kelley Cook  <>

	* aclocal.m4: Add in gettext's m4 includes.
	* Add in check for iconv.h
	* configure: Regenerate.

2004-09-22  Kelley Cook  <>

	* aclocal.m4: Update for rename of gettext-sister.m4.

2004-09-22  Daniel Berlin <>

	Fix PR tree-optimization/17587
	* tree-ssa-pre.c (fini_pre): Commit edge inserts here.
	(insert_aux): Instead of here.

2004-09-22  Diego Novillo  <>

	PR tree-optimization/16721
	* tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
	* tree-ssa-alias.c (create_memory_tag): Move setting of
	(get_tmt_for): ... here.

2004-09-22  Eric Botcazou  <>

	* config/sparc/ (cmove splitter): Fix formatting.
	(conditional_trap expander): Reject inappropriate CCmodes.
	(conditional trap insn): Use V9 syntax if possible.

2004-09-22  Joseph S. Myers  <>

	PR c/16566
	* c-typeck.c (build_component_ref): Don't special-case

2004-09-22  Frank Ch. Eigler  <>

	* dominance.c (verify_dominators): Don't SEGV if recount_dominator
	returns NULL.

2004-09-22  Kazu Hirata  <>

	* doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
	TRUTH_XOR_EXPR): Mention the restriction on types.

2004-09-22  Matt Austern  <>

	* config/darwin.c (darwin_make_decl_one_only):
	Allow coalesced symbol to appear in static archive's table of contents

2004-09-22  Kazu Hirata  <>

	PR tree-optimization/17512
	* convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
	special cases.

2004-09-22  David Edelsohn  <>

	* dbxout.c (get_lang_number): Do not define if

2004-09-22  Ralf Corsepius  <>

	PR target/15583
	* config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
	builtin_define ("__USE_INIT_FINI__").

2004-09-22  P.J. Darcy  <>

	* config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
	* config/s390/s390.c (s390_emit_tpf_eh_return): New function.
	* config/s390/s390.h (TARGET_TPF): New macro.
	* config/s390/ ("eh_return"): New expander.
	* config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
	unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
	(LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
	* config/s390/tpf.h (TARGET_TPF): Define to 1.
	(STACK_POINTER_OFFSET): Increase to 448.
	(TARGET_DEFAULT): Set -mtpf-trace on as default.
	(TPF_LOC_DIFF_OFFSET): New macro.
	(ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
	(__isPATrange): Add prototype.
	* config/s390/tpf-eh.c: New file.

2004-09-22  Diego Novillo  <>

	* fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
	operands in an integer comparison.
	* tree-cfg.c (find_taken_edge): Call fold() to determine
	whether the predicate is known.

2004-09-22  Kelley Cook  <>

	* aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
	* Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
	Create build and doc directories along with the language directories.
	Don't create doc directory separately.
	* configure: Regenerate.
	* Create all object and executables files built
	with the build compiler in a build/ directory.
	(genobjnames): Add missing build objects.
	(STAGESTUFF): Don't stage the gen* programs.
	(ggc-none.o): Define dependencies for the target compiler.
	(build-print-rtl.o): Rename to build/print-rtl.o.
	(build-errors.o): Rename to build/errors.o.
	(build-varray.o): Rename to build/varray.o.
	(maintainerclean): Delete the contents of the build directory.
	($(genobjs): %.o): Explicitly use -o.
	(build/insn-conditions.o): Delete specfic rule to use generic rule.
	(build/gengtype-lex.o): Likewise.
	(build/gengtype-yacc.o): Likewise.
	(build/gcov-iov.o): Likewise.

2004-09-22  Nathan Sidwell  <>

	* vec.h (VEC_space): Return true if there _is_ space.
	(VEC_reserve): Adjust.

2004-09-22  Richard Sandiford  <>

	* config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
	use FPRs for scalar, complex and vector types only.

2004-09-21 Jeff Law  <>

	* tree-ssa-dom.c (opt_stats): Move so that it lives just after
	the opt_stats_d structure.
	(vrp_data): Change from a varray into a hash table.
	(vrp_hash_elt): New structure for elements in the vrp hash table.
	(vrp_hash, vrp_eq):New functions for hashing and testing equality
	in the vrp hash table.
	(tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
	initialization slightly to make it easier to read.  No longer need
	to grow/clear the varray.  Instead empty and delete the hash table.
	(dom_opt_finalize_block): Update due to change of VRP_DATA from
	a varray to a hash table.
	(simplify_cond_and_loop_avail_expr, record_range): Similarly.

	* tree-ssa-ccp.c (get_default_value): If we have a constant
	value recorded for an SSA_NAME, then use that constant as
	the initial lattice value.
	(substitute_and_fold): Transfer equivalences discovered into

	* tree.h (SSA_NAME_EQUIV): Add comments.
	(SET_SSA_NAME_EQUIV): Similarly.

2004-09-21  David Edelsohn  <>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.

	* config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.

2004-09-21  Mark Mitchell  <>

	* c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
	(finish_decl): Likewise.

2004-09-21  Devang Patel  <>

	* tree.def (VEC_COND_EXPR): New tree node.
	* tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.

2004-09-21  Stan Shebs  <>

	* config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
	* config/rs6000/darwin-world.asm: Likewise.

2004-09-21  Daniel Berlin  <>

	* tree-ssa.c (verify_def): Use print_generic_stmt,
	not debug_generic_stmt.
	(verify_use): Ditto.
	(verify_phi_args): Ditto.
	(verify_ssa): Ditto.

2004-09-21  Paul Brook  <>

	* varasm.c (default_assemble_integer): Return false for values wider
	than the target word size.  Works around GAS bug.

2004-09-21  Zack Weinberg  <>

	* reg-notes.def (REG_DEP_TRUE): New entry, place first so it
	gets value 0.
	* print-rtl.c (print_rtx): Print the name of a REG_NOTE even
	if it has value 0.

2004-09-21  Daniel Berlin <>

	* c-typeck.c (build_function_call): Give name of object
	we are attempting to call in error message.
	* c-objc-common.c (c_tree_printer): Call pp_expression,
	not return false, for 'E' case.

2004-09-21  Steven Bosscher  <>

	PR rtl-optimization/17482
	* postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
	load_killed_in_block_p): Clarify comments.
	(record_last_reg_set_info): Make static inline.
	(mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
	(record_opr_changes): New function to replace the above.
	(compute_hash_table): Clarify comments.  Use record_opr_changes.
	(reg_set_between_after_reload_p): Clean up.
	(reg_used_between_after_reload_p): Likewise.
	(eliminate_partially_redundant_load): Clarify comments.

2004-09-21  Eric Botcazou  <>

	PR rtl-optimization/17266
	* regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.

2004-09-21  Uros Bizjak  <>

	PR rtl-optimization/14851
	* rtlanal.c (commutative_operand_precedence): Calculate
	precedence of stripped constant.

2004-09-20 Jeff Law  <>
	   Jan Hubicka  <>

	* tree-ssanames.c (make_ssa_name): No longer need to clear, then
	initialize key elements here.
	(release_ssa_name): Zero the released SSA_NAME here.
	* tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
	(struct tree_ssa_name): Add new "equiv" field.
	* tree-ssa-dom.c (const_and_copies): Kill the global varray.
	(tree_ssa_dominator_optimize): No longer allocate, resize or
	(get_value_for, set_value_for): Kill.
	(thread_across_edge): Get/set the equivalency using
	(restore_vars_to_original_value): Likewise.
	(record_equivalences_from_phis): Likewise.
	(record_dominating_conditions): Likewise.
	(record_const_or_copy, record_equality): Likewise.
	(lookup_avail_expr): Likewise.
	(record_equivalences_from_stmt, cprop_operand): Likewise.
	(cprop_into_successor_phis): No longer need to pass around
	CONST_AND_COPIES.  Callers updated. Get equivalences via
	(cprop_into_phis): Likewise.

2004-09-20  Matt Austern <>
	    Zack Weinberg  <>

	* c-common.c (fix_string_type): Build the unqualified array
	type unconditionally, then use c_build_qualified_type to get
	the proper const-qualified variant, and set its
	TYPE_MAIN_VARIANT to refer to the unqualified type.
	* c-lex.c (c_lex_return_raw_string): New global.
	(c_lex_with_flags): Honor it.
	* c-pragma.h: Declare it.

2004-09-20  Daniel Berlin  <>

	* Fix flags.h dependencies to be $(FLAGS_H).

2004-09-21  Jan Hubicka  <>

	PR middle-end/17126
	* tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
	(tree_rest_of_compilation): Cleanup.

2004-09-20  Ulrich Weigand  <>

	* config/s390/s390.c (s390_select_rtx_section): Remove.

2004-09-20  Kaz Kojima  <>

	* config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
	note to pretend a direct save from the original register when an
	intermediate register is used for the save.

2004-09-20  Kaveh R. Ghazi  <>

	* tsystem.h (alloca): Provide a default definition.

	2001-08-31  Kaveh R. Ghazi  <>
	    * unwind-dw2.c: Call __builtin_alloca, not alloca.

2004-09-20  Andrew Pinski  <>

	PR tree-opt/17558
	* tree-ssa-copy.c (may_propagate_copy): Only allow if the
	aliasing sets are the same rather than just conflicting.

2004-09-20  Jan Hubicka  <>

	PR middle-end/16460

	* cgraph.c (cgraph_unnest_node): New function.
	(c_finalize): Rename to ....
	(c_warn_unused_result_recursivly): ... this one; do only the warning
	(finish_function): Finalize the toplevel function; do not lower nested tree.
	* cgraph.h (cgraph_unnest_node): Declare.
	* cgraphunit.c (decide_is_function_needed): Do not use cgraph
	nestedness datastructure.
	* cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
	* reload1.c (set_label_offsets): Fix call of set_label_offsets.
	* tree-nested.c (finlize_nesting_tree_1): Use un-nesting code.

2004-09-20  Richard Henderson  <>

	* config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
	from some_small_symbolic_operand_1; export.
	(some_small_symbolic_operand): Remove.
	* config/alpha/ (some_small_symbolic_operand splitter): Remove
	extra C check.
	* config/alpha/ (some_small_symbolic_operand): New.

2004-09-20  Jan Hubicka  <>

	* predict.c (return_prediction): New function.
	(apply_return_prediction): Likewise.
	(tree_bb_level_predictions): Likewise.
	(tree_estimate_probability): Add noreturn exit edges; call
	bb_level_predictions; fix logic of return heuristics.
	(predict_paths_leading_to): Rescuesce from old CVS version of
	process_note_prediction function.
	* predict.def (PRED_TREE_EARLY_RETURN): New predictor.

2004-09-20  Andreas Krebbel  <>

	* config/s390/s390.c (s390_frame_info): Added alignment statement for
	floating point register area on stack.

2004-09-20  Jakub Jelinek  <>

	* predict.c (expr_expected_value): Use *_CLASS_P macros.

2004-09-20  Daniel Berlin  <>

	* tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
	generating useless garbage.

2004-09-20  Paolo Bonzini  <>

	* builtins.c (fold_builtin): Call the new omonymous
	target hook for machine-dependent built-ins.
	* target-def.h (TARGET_FOLD_BUILTIN): New.
	* target.h (struct gcc_target): Add the fold_builtin hook.
	* targhooks.c (default_fold_builtin): New.
	* targhooks.h (default_fold_builtin): Declare it.

2004-09-20  Kazu Hirata  <>

	* cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
	comment typos.

2004-09-20  Richard Sandiford  <>

	PR target/17565
	* config/mips/ (define_asm_attributes): Set can_delay to no.

2004-09-20  Jan Hubicka  <>

	* predict.c (estimate_probability): Remove unnecesary code.

2004-09-19  Ira Rosen  <>

	* tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
	(VECT_SMODULO): Declare.
	* tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
	(vect_compute_array_base_alignment): New function.
	(vect_analyze_data_ref_access): Check array indices. Remove one
	dimensional arrays restriction.
	(vect_get_ptr_offset): New function.
	(vect_get_symbl_and_dr): New function.
	(vect_get_base_and_bit_offset): Support additional data refs. Renamed
	(former name vect_get_base_decl_and_bit_offset).
	(vect_create_index_for_array_ref): Removed.
	(vect_create_index_for_vector_ref): New function.
	(vect_create_addr_base_for_vector_ref): New function.
	(vect_create_data_ref): Handle additional data refs. Call
	vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
	(vect_compute_data_ref_alignment): Support the changes. Call
	(vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
	data refs. Store vect_dr_base.
	(vect_analyze_data_ref_accesses): Support nonconstant init.
	(new_stmt_vec_info): Initialize vect_dr_base field.
	(vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
	(get_vectype_for_scalar_type): Check for BLKmode.
	* tree-chrec.h (initial_condition_in_loop_num): Declare.
	* tree-chrec.c (initial_condition_in_loop_num): New function.
	(chrec_component_in_loop_num): New function.
	(evolution_part_in_loop_num): Call chrec_component_in_loop_num.
	* tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
	to be pointer to varray_type.

2004-09-19  Jan Hubicka  <>

	* basic-block.h (update_bb_profile_after_threading): Declare.
	* cfg.c (update_bb_profile_after_threading): Break out from ...
	* cfgcleanup.c (try_forward_edges): ... here; use it.
	* tree-ssa-dom.c (thread_across_edge): Use it.
	* tree-ssa-threadupdate.c (create_block_for_threading): Zero out
	profile of the new BB.

2004-09-19  Daniel Berlin  <>

	* tree-ssa-pre.c (insert_into_set): Don't put
	is_gimple_min_invariant values into the set.

2004-09-19  Andreas Jaeger  <>

	* tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix

2004-09-18  Kazu Hirata  <>

	* config/cris/cris.h: Preserve the original spelling in a

2004-09-18 Jeff Law  <>

	* tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
	global varrays to replace the block local varrays.
	(struct dom_walk_block_data): Remove, no longer used.
	(get_eq_expr_value): No longer need to pass around pointers to local
	varrays.  Callers updated.  Unused markers added to unused parameters.
	(record_range, record_equivalences_from_stmt): Likewise.
	(record_equivalences_from_incoming_edge): Likewise.
	(record_var_is_nonzero): Likewise.  Update now that we have a
	single global varray of SSA_NAMEs that need restoring.
	(dom_opt_initialize_block_local_data): Kill, no longer used.
	(tree_ssa_dominator_optimize): Initialize new global varrays.
	Update callbacks in dominator walker structure.
	(dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
	(restore_nonzero_vars_to_original_value): Update now that we have
	a single global varray of SSA_NAMEs that need restoring.
	(dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
	Remove unused variables.
	(optimize_stmt): Remove unused variable.

2004-09-18  Jan Hubicka  <>

	* tree-cfg.c (thread_jumps): Fix updating of the profile.

	* tree-optimize.c (tree_rest_of_compilation): Kill forgotten
	verify_cgraph call.

2004-09-18  Kazu Hirata  <>

	* alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
	gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
	optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
	tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
	tree-ssa-operands.c, tree-ssa-phiopt.c,
	tree-ssa-threadupdate.c: Fix comment typos.

2004-09-18  Kazu Hirata  <>

	* config/darwin-c.c, config/arc/arc.c, config/arc/,
	config/arm/README-interworking, config/arm/arm-cores.def,
	config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
	config/arm/, config/c4x/c4x.c, config/c4x/c4x.h,
	config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
	config/fr30/fr30.h, config/fr30/, config/frv/frv.c,
	config/frv/, config/i386/winnt.c,
	config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
	config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
	config/m68hc11/, config/m68k/m68k.c,
	config/mcore/mcore.c, config/mips/mips.h,
	config/mn10300/, config/pa/pa.c,
	config/pa/pa64-regs.h, config/pdp11/pdp11.c,
	config/rs6000/rs6000.c, config/sh/symbian.c,
	config/sparc/sparc.h: Fix comment typos.  Follow spelling

2004-09-18  Joseph S. Myers  <>

	PR c/17424
	* c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.

2004-09-18  Diego Novillo  <>

	* tree-ssa-alias.c (setup_pointers_and_addressables): Don't

2004-09-18  Diego Novillo  <>

	* tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.

2004-09-18  Jan Hubicka  <>

	* tree-into-ssa.c (rewrite_ssa_into_ssa): Expect ssa_name to return
	* tree-ssa-alias.c (init_alias_info): Likewise.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
	(verify_ssa): Likewise.
	* tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.

2004-09-18  Jan Hubicka  <>

	* i386.c (legitimize_pic_address): Fix splitting of PLUS with
	huge offset.

2004-09-18  Kaz Kojima  <>

	* config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
	* config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
	DW_EH_PE_sdata* for data.

2004-09-17  Geoffrey Keating  <>

	* tree-inline.c (copy_tree_r): Don't duplicate constants, they're
	shared anyway.

	PR pch/13361
	* c-typeck.c (constructor_asmspec): Delete.
	(struct initializer_stack): Delete field 'asmspec'.
	(start_init): Delete saving of asmspec.
	(finish_init): Don't update constructor_asmspec.
	* dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
	* stmt.c (expand_asm): Duplicate strings from tree.
	(expand_asm_operands): Likewise.
	* tree.c (tree_size): Update computation of size of STRING_CST.
	(make_node): Don't make STRING_CST nodes.
	(build_string): Allocate string with tree node.
	(tree_code_size): Clean up assertions, don't allow requests
	for "the size of a STRING_CST".
	* tree.def (STRING_CST): Update comment.
	* tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
	(tree_string): Place contents of string in tree node.
	* config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
	from tree.

2004-09-17  Zack Weinberg  <>

	* (c-parse.o): Depend on $(C_PRAGMA_H).
	* objc/ (objc/objc-parse.o): Likewise.

2004-09-17  Jones Desougi  <>

	* configure, Regenerate.

2004-09-17  Zack Weinberg  <>

	* tree.c, tree.h (tree_class_strings): Make array const.
	Reindent per coding convention.  Move asterisk to proper place
	per coding convention.

2004-09-18  Andreas Schwab  <>

	* (gimple-low.o): Depend on $(EXPR_H).
	(tree-vectorizer.o): Likewise.
	(targhooks.o): Likewise.

2004-09-17  Jeffrey D. Oldham  <>
	    Zack Weinberg  <>

	* alias.c (find_base_decl): Remove unreachable case '3' block.
	* expr.c (safe_from_p): Abort if passed a type.
	* tree-gimple.c (recalculate_side_effects): Abort if passed
	anything other than an expression.
	* tree-ssa-pre.c (phi_translate): Return expr immediately if
	is_gimple_min_invariant is true for it.  Reorder cases for clarity.
	Abort on un-handled tree classes.
	(valid_in_set): Likewise.
	* tree.c (tree_code_class_strings): New static data.

	* tree.h (enum tree_code_class): New.
	(tree_code_class_strings): Declare.

	* tree.def, c-common.def, objc/objc-tree.def: Use
	tree_code_class enumeration constants instead of code letters.

	* alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
	* c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
	* emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
	* langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
	* tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
	* tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
	* tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
	* tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
	* tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
	* tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
	* tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
	* config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
	* config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
	Update to match.

	* LANGUAGES: Add note about change.

2004-09-17  Diego Novillo  <>

	PR tree-optimization/17319
	* tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
	examine pointers on the LHS of an assignment.
	(collect_points_to_info_r): Handle RETURN_EXPR.

2004-09-17 Jeff Law  <>

	* tree-ssa-dom.c (const_and_copies_stack): New.
	(dom_walk_block_data): Remove const_and_copies field.
	(record_const_or_copy): No longer need to pass in varray_type *.
	Use CONST_AND_COPIES_STACK rather than passed in block local stack.
	Callers updated.
	(record_equality): Similarly.
	(restore_vars_to_original_value): Similarly.  Revamp to use new
	single global stack rather than per-block stacks.
	(tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
	(thread_across_edge): Remove now unused parameters.
	(dom_opt_initialize_block_local_data): No longer test the block
	(dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.

2004-09-17  Jan Hubicka  <>

	PR tree-optimization/17509
	* tree-optimize.c (update_inlined_to_pointers): New function.
	(tree_rest_of_compilation): Use it.

2004-09-17  Devang Patel  <>

	* dbxout.c (get_lang_number): New.
	(dbxout_init): Include lang number in N_SO  stab.
	* dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,

2004-09-17  Diego Novillo  <>

	PR tree-optimization/17273
	* tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
	replacement is a constant.

2004-09-17  Joseph S. Myers  <>

	* c-tree.h (enum c_typespec_keyword): New.
	(struct c_declspecs): Adjust description of "type".  Remove
	specbits, explicit_int_p and explicit_char_p.  Rename
	typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
	short_p, signed_p, unsigned_p and complex_p.
	(finish_declspecs): New.
	* (datadef, datadecl, setspecs, decl, component_decl,
	typename): Call finish_declspecs.
	* c-decl.c (finish_declspecs): New.
	(declspecs_add_type): Check for combinations which cannot occur in
	valid specifier lists.  Update comments.
	(shadow_tag_warned): Remove checks done in finish_declspecs.
	Don't report useless type name if type defaulted to int.
	(grokdeclarator): Remove checks and actions done in
	finish_declspecs.  Don't allow for type being NULL.  Update for
	datastructures changes.  Initialize decl_attr.
	(build_null_declspecs, quals_from_declspecs): Update for
	datastructures changes.

2004-09-17  Sylvain Pion  <>

	* doc/extend.texi: Fix duplicated word.

2004-09-17  Toon Moene  <>

	* doc/invoke.texi: Remove stray explanation on
	-freduce-all-givs and -fmove-all-movables.

2004-09-17  James Morrison  <>

	* doc/cfg.texi: Use @smallexample.
	* doc/md.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/extend.texi: Likewise.  Use @r{} in comments.
	* doc/trouble.texi: Use @r{} in comments.

2004-09-17  Hans-Peter Nilsson  <>

	* (gcc_cv_gld_version): Handle whitespace before
	* aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
	* configure: Regenerate.

2004-09-17  J"orn Rennecke <>

	* sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
	(sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
	* t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
	* t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
	slashes in substitutions.
	(MULTILIB_DIRNAMES): Remove defunct removal of /media32.

2004-09-17  Kazu Hirata  <>

	* basic-block.h, c-decl.c,, cgraphunit.c, ddg.c,
	gimplify.c, lambda-code.c, optabs.c, predict.c,
	tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
	tree-ssa.c, vec.h: Fix comment typos.  Follow spelling

2004-09-17  Kazu Hirata  <>

	* doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
	doc/extend.texi, doc/install.texi, doc/invoke.texi,
	doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
	doc/trouble.texi: Use @option around options.

2004-09-17  Richard Sandiford  <>

	* (gen-protos.o): Depend on errors.h.

2004-09-17  Steven Bosscher  <>

	PR tree-optimization/17513
	* cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
	for successors of the entry block.

2004-09-17  Uros Bizjak  <>

	PR rtl-optimization/15187
	* ifcvt.c (noce_try_cmove_arith): Exit early if total
	insn_rtx_cost of both branches > BRANCH_COST

2004-09-16  Diego Novillo  <>

	PR tree-optimization/17528
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
	erase the may-alias set for a tag when merging it with

2004-09-16  Kaz Kojima  <>

	* config/sh/ (call): Extend 32-bit addresses to DImode
	for 32-bit TARGET_SHMEDIA.
	(call_value): Likewise.

2004-09-16  Diego Novillo  <>

	* tree-ssa-operands.c (add_call_clobber_ops): Make read-only
	test apply only to TREE_STATIC and DECL_EXTERNAL.

2004-09-16  Zdenek Dvorak  <>

	* (tree-cfg.o): Add CFGLAYOUT_H dependency.
	* basic-block.h (get_dominated_by_region): Declare.
	* dominance.c (get_dominated_by_region): New function.
	* tree-cfg.c: Include cfglayout.h.
	(tree_duplicate_bb): Duplicate also phi nodes.
	(struct ssa_name_map_entry): New type.
	(add_phi_args_after_copy_bb, add_phi_args_after_copy,
	ssa_name_map_entry_hash, ssa_name_map_entry_eq,
	allocate_ssa_names, rewrite_to_new_ssa_names_def,
	rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
	rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
	* tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
	add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
	rewrite_to_new_ssa_names, allocate_ssa_names,
	rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
	* tree-ssa-loop-ch.c (duplicate_blocks): Removed.
	(copy_loop_headers): Use tree_duplicate_sese_region.

2004-09-16  Frank Ch. Eigler  <>

	* profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.

2004-09-16 Jeff Law  <>

	* tree-into-ssa.c (block_defs_stack): New toplevel varray.
	(rewrite_block_data): Remove, no longer used.
	(rewrite_initialize_block_local_data): Remove, no longer used.
	(rewrite_initialize_block): Mark parameters as unused as needed.
	Change references to the block local block_defs to be block_defs_stack.
	Push a marker onto the block_defs_stack.
	(ssa_rewrite_initialize_block): Similarly.
	(rewrite_stmt, ssa_rewrite_stmt): Similarly.
	(ssa_register_new_def): No longer needs varray argument.  Use
	block_defs_stack instead.  No longer handle possibly null block_defs
	varray.  Reverse order of items we push on the stack to make it
	easier to identify our marker.
	(register_new_def): No longer handle possibly null block_defs
	(rewrite_finalize_block): Revamp to look for markers in the global
	block_defs_stack varray rather than wiping a block local varray.
	Mark arguments as unused as needed.
	(ssa_rewrite_finalize_block): Similarly.
	(rewrite_into_ssa): Update initialization of dom walker structure
	to reflect that we don't need block local data anymore.  Initialize
	the block_defs_stack varray.
	(rewrite_ssa_into_ssa): Similarly.
	* tree-ssa-dom.c (block_defs_stack): New toplevel varray.
	(struct dom_walk_data): Kill block_defs field.
	(tree_ssa_dominator_optimize): Initialize block_defs_stack.
	(thread_across_edge): Use the global block_defs_stack instead of
	the old block_defs varray.
	(dom_opt_initialize_block_local_data): Update now that we don't have
	block_defs field to check anymore.
	(dom_opt_initialize_block): Push a marker onto block_defs_stack.
	(restore_currdefs_to_original_value): Use the new block_defs_stack
	instead of a block local varray.
	(dom_opt_finalize_block): Similarly.
	(record_equivalencs_from_phis): Similarly.
	(optimize_stmt, register_definitions_for_stmt): Similarly.

2004-09-16  Andrew MacLeod  <>

	PR tree-optimization/17517
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce same-root variables without checking for abnormal PHI usage.

2004-09-16  Daniel Berlin  <>

	* cfgloop.h (duplicate_loop): Add prototype.
	* cfgloopmanip.c (duplicate_loop): Make non-static.
	* lambda-code.c (perfect_nestify): Factor out test whether
	we can handle this loop into separate function.
	Call it.
	(can_convert_to_perfect_nest): New function.
	(replace_uses_of_x_with_y): Add modify_stmt call.
	* tree-loop-linear.c (linear_transform_loops): Call
	rewrite_into_loop_closed_ssa and free_df.

2004-09-16  Daniel Berlin  <>

	* lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
	loop invariant as well.
	(perfect_nestify): new function.
	(gcc_loop_to_lambda_loop): New parameters to track lower bounds,
	upper bounds, and steps.
	Set outerinductionvar properly.
	(gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
	Return NULL if we need a perfect loop and can't make one.
	(lambda_loopnest_to_gcc_loopnest): Correct algorithm.
	(not_interesting_stmt): New function.
	(phi_loop_edge_uses_def): Ditto.
	(stmt_uses_phi_result): Ditto.
	(stmt_is_bumper_for_loop): Ditto.
	(perfect_nest_p): Ditto.
	(nestify_update_pending_stmts): Ditto.
	(replace_uses_of_x_with_y): Ditto.
	(stmt_uses_op): Ditto.
	(perfect_nestify): Ditto.
	* lambda-mat.c (lambda_matrix_id_p): New function.
	* lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
	* lambda.h: Update prototypes.
	* tree-loop-linear (linear_transform_loop): Use new
	perfect_nest_p. Detect and ignore identity transform.
	* tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.

2004-09-16  Sebastian Pop  <>

	* tree-loop-linear.c (gather_interchange_stats): Add more comments.
	Gather also strides of accessed data.  Pass in the data references
	(try_interchange_loops): Add a new heuristic for handling the temporal
	locality.  Pass in the data references array.
	(linear_transform_loops): Pass the data references array to

2004-09-16  Kazu Hirata  <>

	* doc/invoke.texi: Fix typos.  Follow spelling conventions.

2004-09-16  Nathan Sidwell  <>

	* doc/c-tree.texi (Classes): Remove index entries for

2004-09-16  Zdenek Dvorak  <>

	* fold-const.c (fold): Fold difference of addresses.
	(ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
	* tree-ssa-loop-ivopts.c (peel_address): Removed.
	(ptr_difference_const): Moved to fold-const.c.
	(split_address_cost): Use get_inner_reference instead of peel_address.
	(ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
	* tree.h (ptr_difference_const): Export.

	* tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
	variable type to the dump.  Fix indentation.
	(idx_find_step): Handle nonconstant array_ref_element_size and
	(idx_record_use): Handle array_ref_element_size and
	(find_interesting_uses_stmt): Handle memory = nontrivial_expression
	statements correctly.
	(get_computation_at, iv_value): Do not unshare expressions here.
	(rewrite_use_outer): Unshare the expression before it is emitted
	to code.
	* tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
	Moved to tree.c.
	* tree.c (unsigned_type_for, signed_type_for): Moved from
	tree-ssa-loop-niter.c.  Use langhooks.
	* tree.h (signed_type_for): Export.

2004-09-16  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update

2004-09-15  Andrew Pinski  <>

	PR target/11572
	* c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
	Add two parameters to extra_includes.
	(C_INCPATH_INIT): Remove.
	* c-incpath.c (register_include_chains): Call extra_pre_includes
	before adding the standard include directory.
	Update call to extra_includes.
	(!defined TARGET_EXTRA_INCLUDES): Update
	hook_void_charptr_charptr_int and add !define
	(!define TARGET_EXTRA_INCLUDES): Define as
	(!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
	(target_c_incpath): Always declare.
	* fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
	empty function.
	(define TARGET_EXTRA_PRE_INCLUDES): Likewise.
	* config/darwin.h: (darwin_register_frameworks): Update for
	the two new parameters.
	(darwin_register_objc_includes): Add prototype.
	* config/darwin-c.c (darwin_register_objc_includes): New function.
	(darwin_register_frameworks): Update for the two new parameters.
	(target_c_incpath): Remove.
	* config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
	the compile line.
	* doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new

	* gcc.c (spec_function): Add replace-outfile.
	(replace_outfile_spec_function): New function.
	* config/darwin.h (LINK_SPEC): Add replace
	-lobjc with -lobjc-gnu if -fgnu-runtime is
	* invoke.texi (replace-outfile): Document.

2004-09-13  Jan Hubicka  <>

	* predict.c (expr_expected_value, strip_builtin_expect): New function.
	(tree_predict_by_opcode): Use it.
	(tree_estimate_probability): Add, for now disabled,
	strip_builtin_expect call.

2004-09-15  James E Wilson  <>

	PR target/17455
	* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
	if current_function_decl is a sibcall.

2004-09-15  Mark Mitchell  <>

	* varasm.c (default_function_rdodata_section): Make sure to pass
	along a decl for a link-once section.

2004-09-15  Richard Henderson  <>

	* tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
	warning with code disable.  Fix formatting.

2004-09-15  Steven Bosscher  <>

	* (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
	* tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
	after propagating into an ADDR_EXPR.

2004-09-15  Andrew Pinski  <>

	PR rtl-opt/17427
	* gcse.c (process_insert_insn): insn_invalid_p has side effects.
	Move it out of gcc_assert.

2004-09-15  Joseph S. Myers  <>

	* attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
	except.c, fold-const.c, function.c, langhooks.c, params.c,
	reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
	tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
	for quoting in diagnostics going through pretty-print.c.  Use ''
	for quoting in other diagnostic text.
	* langhooks.c: Include intl.h.  Mark text locating diagnostics for
	* (langhooks.o): Update dependencies.
	* pretty-print.h (pp_printf): Mark as accepting GCC diagnostic

2004-09-15  Mark Mitchell  <>

	* Check for COMDAT support.  Robustify check for
	SHF_MERGE support.
	* configure: Regenerated.
	* Likewise.
	* langhooks-def.h (lhd_comdat_group): New function.
	* langhooks.c (lhd_comdat_group): Define.
	* langhooks.h (lang_hooks_for_decls): Add comdat_group.
	* output.h (named_section_flags): Make it a macro.
	(named_section_real): New function.
	(default_no_named_section): Add decl parameter.
	(default_elf_asm_named_section): Likewise.
	(default_coff_asm_named_section): Likewise.
	(default_pe_asm_named_section): Likewise.
	* target.h (gcc_target): Adjust type of named_section.
	* varasm.c (named_section_flags): Rename to named_section_real.
	Add decl parameter.
	(default_no_named_section): Add decl parameter.
	(default_elf_asm_named_section): Use COMDAT, if available.  Deal
	with the case that ASM_COMMENT_START is "@".
	(default_coff_asm_named_section): Add decl parameter.
	(default_pe_asm_named_section): Likewise.
	* config/alpha/alpha.c (vms_asm_named_section): Add decl
	(unicosmk_asm_named_section): Likewise.
	* config/arm/arm.c (arm_elf_asm_named_section): Remove.
	* config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
	* config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
	* config/cris/cris-protos.h (cris_target_asm_named_section):
	* config/cris/cris.c (cris_target_asm_named_section):
	* config/darwin/darwin-protos.h (darwin_asm_named_section):
	* config/darwin/darwin.c (darwin_asm_named_section): Likewise.
	* config/h8300/h8300.c (h8300_asm_named_section): Likewise.
	* config/i386/i386-protos.h (i386_pe_asm_named_section):
	* config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
	* config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
	* config/mcore/mcore.c (mcore_asm_named_section): Likewise.
	* config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
	* config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
	* cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
	* cp/cp-tree.h (cxx_comdat_group): Declare.
	* cp/decl.c (cxx_comdat_group): New function.

2004-09-15  Jan Hubicka  <>

	* tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
	* tree-tailcall.c (eliminate_tail_call): Release SSA name.

	* tree-cfg.c (remove_bb): Release SSA defs.

2004-09-15  Kazu Hirata  <>

	* doc/tm.texi: Follow spelling conventions.

2004-09-15  Kazu Hirata  <>

	* tree-ssa-dom.c: Fix comment typos.

2004-09-15  Alan Modra  <>

	* config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
	include ccr.
	(ppc_fallback_frame_state): Save location of CR.

2004-09-15  Jakub Jelinek  <>

	* expr.c (string_constant): Handle also read-only variables
	initialized to string literals.

	* builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
	into memcpy (x, y, 1) if memcpy can be expanded inline.

2004-09-15  Zdenek Dvorak  <>

	PR tree-optimization/17468
	* tree-ssa.c (verify_use, verify_phi_args, verify_ssa): Verify that
	definition inside a block precede uses.
	* tree-tailcall.c (adjust_return_value): Emit statements in the
	correct order.

2004-09-15  Richard Sandiford  <>

	* config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.

2004-09-15  Eric Botcazou  <>

	* doc/install.texi (sparc-sun-solaris2*): Properly format warning.

2004-09-14 Jeff Law  <>

	* tree-ssa-dom.c (avail_exprs_stack): New global varray.
	(struct dom_walk_block_data): Remove avail_exprs member.
	(tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
	(lookup_avail_expr): No longer need to pass in address of
	the block local available exprs stack.  All callers changed.
	(simplify_cond_and_lookup_avail_expr): Similarly.
	(simplify_switch_and_lookup_avail_expr): Similarly.
	(get_eq_expr_value, record_cond): Likewise.
	(record_dominating_conditions): Likewise.
	(update_rhs_and_lookup_avail_expr): Likewise.
	(record_equivalences_from_stmt): Likewise.
	(dom_opt_initialize_block_local_data): No longer test state of
	block local avail_exprs.
	(dom_opt_initialize_block): Mark unwind point in the global
	avail_expr stack.
	(remove_expressions_from_table): Update to unwind to the
	most recent unwind marker in the global avail_expr stack.
	All callers changed.
	(dom_opt_finalize_block): Mark unwind point in the global
	avail_expr stack as needed.
	(record_cond): Push elements into the global avail_exprs stack.

	* tree-dfa.c (free_df_for_stmt): No longer static.
	(free_df): Update comments.
	* tree-flow.h (free_df_for_stmt): Prototype.
	* tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
	call release_defs.

2004-09-14  Diego Novillo  <>

	PR tree-optimization/17252
	* tree-ssa-alias.c (may_alias_p): Don't assume that a
	pointer may not point to itself when using relaxed
	aliasing rules.

2004-09-14  Richard Henderson  <>

	PR middle-end/17397
	* gimplify.c (gimplify_addr_expr): Don't inadvertently change types
	while folding <ADDR_EXPR <INDIRECT_REF X>>.

2004-09-14  Andrew Pinski  <>

	* tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
	sets of the pointers but the aliasing sets of what they point to.

2004-09-14  Roger Sayle  <>

	PR rtl-optimization/9771
	* regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
	conditional compilation in init_reg_sets_1.
	(init_reg_sets_1): Let global_regs[i] take priority over the frame
	(but not stack) pointer exceptions to regs_invalidated_by_call.
	(globalize_reg): Globalizing a fixed register may need to update

2004-09-14  Diego Novillo  <>

	PR tree-optimization/15262
	* tree-dfa.c (dump_variable): Also print the type of the
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
	memory tags are of conflicting alias sets but have no aliased
	symbols in common, add one tag to the alias set of the other.
	(setup_pointers_and_addressables): Remove hack to deal with
	programs with no aliased symbols.
	(may_alias_p): Don't special case aggregate types.

2004-09-14  Joseph S. Myers  <>

	PR c/15498
	* doc/invoke.texi (Environment Variables): Correct example locale.

2004-09-14  Jan Hubicka  <>

	* cfg.c (expunge_block): Revert previous change adding ggc_free call.

2004-09-14  Mark Mitchell  <>

	* config.gcc: Do not build a shared libgcc for arm-none-eabi.

2004-09-14  Joseph S. Myers  <>

	* c-tree.h (struct c_declspecs): Add const_p, volatile_p and
	(struct c_declarator): Change u.array.quals and pointer_quals to
	int.  Add u.array.attrs.
	(quals_from_declspecs): New.
	* c-decl.c (quals_from_declspecs): New.
	(shadow_tag_warned): Give more specific message for useless type
	(build_array_declarator, set_array_declarator_inner,
	grokdeclarator, make_pointer_declarator, build_null_declspecs,
	declspecs_add_qual): Update for changed structures.

2004-09-14  Jeff Law  <>

	* tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
	to a global varray.
	(tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
	(dom_opt_initialize_block_local_data): No longer test state
	of stmts_to_rescan.
	(dom_opt_finalize_block): Update due to change in scope of
	(optimize_stmt): Similarly.

2004-09-14  Kazu Hirata  <>

	* cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
	lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
	comment typos.  Follow spelling conventions.

2004-09-14  Kazu Hirata  <>

	* config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
	config/i386/, config/sparc/sparc.c: Follow
	spelling conventions.

2004-09-14  Zdenek Dvorak  <>
	    Steven Bosscher  <>

	* (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
	* basic-block.h (struct reorder_block_def): Add copy_number field.
	* cfgloop.h (biv_p): Declare.
	* cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
	* common.opt (fsplit-ivs-in-unroller): New flag.
	* loop-iv.c (biv_p): New function.
	* loop-unroll.c: Include hashtab.h and recog.h.
	(struct iv_to_split, struct split_ivs_info): New types.
	(analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
	free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
	determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
	insert_base_initialization, split_iv): New functions.
	(peel_loop_completely, unroll_loop_constant_iterations,
	unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
	Use them.
	* doc/invoke.texi (-fsplit-ivs-in-unroller): Document.

2004-09-14  Zdenek Dvorak  <>

	* tree-cfg.c (thread_jumps): Update dominators correctly in
	case destination of threaded edge dominates its source.

2004-09-14  Zdenek Dvorak  <>

	* unroll.c: Removed.
	* loop.h: Removed.
	* (LOOP_H, unroll.o): Removed.
	(toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
	* alias.c (init_alias_analysis): Remove flag_old_unroll_loops
	* cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
	* common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
	* loop.c: Do not include loop.h.
	REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
	struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
	REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
	struct loop_regs, struct loop_movables, struct loop_info): Moved
	from loop.h.
	(back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
	reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
	find_common_reg_term, loop_iterations, final_giv_value): Moved
	from unroll.c.
	(uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
	loop_dump_stream, for_each_insn_in_loop, express_from,
	extend_value_for_giv, loop_iv_add_mult_emit_before,
	loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
	loop_insn_first_p, get_condition_for_loop,
	loop_insn_emit_before, loop_insn_hoist,
	loop_insn_sink): Made static.
	(loop_invariant_p): Made static.  Removed flag_old_unroll_loops
	(strength_reduce): Do not call unroller.
	(record_giv): Do not initialize unrolled field.
	(prescan_loop): Do not set loop_info->preconditioned.
	* passes.c: Do not include loop.h.
	(rest_of_handle_loop_optimize): Do not call unroller.
	* predict.c: Do not include loop.h.
	* rtl.h (NOTE_PRECONDITIONED): Removed.
	* stmt.c: Do not include loop.h.
	* toplev.c: Do not include loop.h.
	(process_options): Do not handle flag_old_unroll_loops.

	* doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
	Documentation removed.
	* doc/passes.texi (unroll.c, loop.h): Documentation removed.

2004-09-14  Nathan Sidwell  <>

	* (STAGE1_CHECKING): New variable.
	(stage1_build): Use it.
	* tree-ssa.c (verify_ssa): Preserve state of dominance

2004-09-14  Uros Bizjak  <>

	* config/i386/i386.c (output_fp_compare): Add generation
	of ftst instruction.
	* config/i386/ (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
	Use output_fp_compare () function.
	(cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
	(fix_truncdi_memory): Remove operands[5] copy.

2004-09-14  Kazu Hirata  <>

	* config/m32r/, config/m68k/m68kelf.h,
	config/mcore/, config/rs6000/linux64.h,
	config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment

2004-09-13  James E Wilson  <>

	* gen-protos.c: Include errors.h.
	(progname): Delete.

2004-09-14  Jan Hubicka  <>

	* (predict.o): Depend on tree-scalar-evolution.h
	* predict.c: Include tree-scalar-evolution.h and cfgloop.h
	(predict_loops): Use number_of_iterations_exit to predict
	number of iterations on trees.

2004-09-13  Dale Johannesen  <>

	PR 17408
	PR 17409
	* c-decl.c (start_decl): Repair TREE_STATIC for initialized
	objects declared extern.

2004-09-14  Paul Brook  <>

	* config/arm/arm.c (arm_expand_prologue): Make args_to_push a

2004-09-13  Daniel Jacobowitz  <>

	* fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
	Only use TYPE_BINFO for aggregates.

2004-09-13  Daniel Jacobowitz  <>

	* expmed.c (synth_mult): Initialize latency.  Check cost before
	checking ops count.

2004-09-13  Kenneth Zadeck  <>

	* tree-ssa-operands.c (get_call_expr_operands): Added parm to
	add_call_clobber_ops and add_call_read_ops.
	(add_call_clobber_ops, add_call_read_ops): Added code to reduce
	the number of vdefs and vuses inserted based on analysis of global
	variables across calls.
	* tree-dfa.c (find_referenced_vars): Needed to reset static
	var maps before each function is compiled.
	* cgraphunit.c:
	all_module_statics,searchc_env,dfs_info): New fields to support
	analysis of static global variables.
	(print_order, convert_UIDs_in_bitmap, new_static_vars_info,
	cgraph_reset_static_var_maps, get_global_static_vars_info,
	get_global_statics_not_read, get_global_statics_not_written,
	searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
	check_rhs_var, check_lhs_var, get_asm_expr_operands,
	process_call_for_static_vars, scan_for_static_refs,
	cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
	clear_static_vars_maps, cgraph_propagate_bits,
	cgraph_characterize_statics): New. Functions to support analysis
	of static global variables.
	(cgraph_mark_local_and_external_functions): Renamed from:
	(cgraph_expand_all_functions): Remove call to
	(cgraph_optimize): Added driver to analyze static variables whose
	scope is within the compilation unit.
	* cgraph.h (struct cgraph_local_info, GTY): Added
	statics_read, statics_written, local, calls_read_all,
	calls_write_all, for_functions_valid.  (struct cgraph_node):
	Added next_cycle.
	* cgraph.c (dump_cgraph_node): Added print routines for new fields.
	* macroized cgraph.h, added cgraphunit.c to the ggc

2004-09-13  Joseph S. Myers  <>

	* c-decl.c (grokdeclarator): Correct comments about where storage
	class specifiers are rejected by grammar and add corresponding
	asserts.  Diagnose typedefs and parameters declared inline.
	Change warning for inline main to a pedwarn.  Only diagnose inline
	main if hosted.
	(declspecs_add_scspec): Allow duplicate "inline".

2004-09-13  Steve Ellcey  <>

	* config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.

2004-09-13  Richard Henderson  <>

	PR 17436
	(tree_type): Replace spare with contains_placeholder_bits.
	(type_contains_placeholder_1): Rename from type_contains_placeholder_p,
	make static.  Remove seen_types list.
	(type_contains_placeholder_p): New.

2004-09-13  James E Wilson  <>

	* config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
	(sb1_bdesc, bdesc_map, bdesc_arrays): New.
	(mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
	bdesc_arrays instead of mips_bdesc.
	(mips_init_builtins): Likewise.
	* config/mips/mips.h (TARGET_SB1): New.
	(HAVE_SQRT_P): Delete.
	* config/mips/ (divide_condition): Support V2SF.
	(sqrt_condition, recip_condition): New.
	(div<mode>3): Use ANYF instead of SCALARF.
	(*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
	(*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
	instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
	instead of MODE.
	(sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
	instead of SCALARF.  Use UNITMODE instead of MODE.

2004-09-13  Zack Weinberg  <>

	* Regenerate after removal of libbanshee.

2004-09-13  Andrew MacLeod  <>

	PR tree-optimization/17400
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce partitions when one occurs in an abnormal PHI.

2004-09-13  Andrew Pinski  <>

	* config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
	name to _new_size.

2004-09-13  Richard Henderson  <>

	PR inline-asm/6806
	* cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
	(cselib_invalidate_rtx_note_stores): New.
	(cselib_record_sets, cselib_process_insn): Update to match.
	* cselib.h (cselib_invalidate_rtx): Declare.
	* postreload.c (reload_cse_simplify): Invalidate asm clobbers.

2004-09-13  Richard Henderson  <>

	PR tree-opt/10528
	* tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
	after copying its argument.

2004-09-13  Joseph S. Myers  <>

	* c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
	in diagnostics.  Use %' for English apostrophes.
	* c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
	(pedwarn_c90, pedwarn_c99): Use it.
	* c-decl.c (lookup_label): Quote label name in diagnostic.
	* (yyprint): Use ' instead of ` for left quote.
	* c-typeck.c (warn_for_assignment): Likewise.

2004-09-13  Jan Hubicka  <>

	* i386.c (x86_schedule): New global variable.
	(override_options): Disable scheduling when not supported.
	* i386.h (x86_schedule): Declare.
	(TARGET_SCHEDULE): New macro.

2004-09-12  Richard Henderson  <>

	PR c++/16254
	* fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
	* tree.c, tree.h (has_cleanups): Remove.

2004-09-12  Zdenek Dvorak  <>

	* tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
	arguments of the phi nodes correctly.

2004-09-12  Jan Hubicka  <>

	* ggc-common.c (cmp_statistics): Fix sorting.

2004-09-12  David Edelsohn  <>

	PR target/16795
	* expmed.c (expand_divmod): If cheap power of 2 divide is
	available, use it for negative constant as well.

2004-09-12  Andrew Pinski  <>

	* darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
	size of 0.

	* tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.

2004-09-12  Richard Henderson  <>

	* config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
	or minus one.
	(ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
	post-reload, and scratch NULL.
	* config/i386/ (testqi_1): Use FLAGS_REG name.
	(x86_shift_adj_2): Use ix86_expand_clear.
	(ashldi3): Remove CMOVE expansion difference.
	(ashldi3_1): Remove.
	(*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
	add constraints for immediates.  New peephole for split-with-temp.
	Run splitter after peep2 pass.
	(ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
	(lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
	(setcc_2): Rename with *.
	* config/i386/ (reg_or_pm1_operand): New.
	(ashldi_input_operand): New.

2004-09-12  Richard Henderson  <

	* print-rtl.c (print_decl_name): New.
	(print_mem_expr): Use it.

2004-09-12  Richard Henderson  <

	PR 17186, part deux
	* except.c (sjlj_emit_function_exit): Fix logic locating
	sjlj_exit_after in final block.

2004-09-12  Toon Moene  <>

	* common.opt: Remove flags -fmove-all-movables and
	* loop-invariant.c (find_invariants_to_move):
	Remove all uses of flag_move_all_movables.
	* loop.c (move_movables): Remove all uses of
	(strength_reduce): Remove all uses of
	* doc/invoke.texi: Remove documentation of flags
	-fremove-all-movables and -freduce-all-givs.

2004-09-11  Roger Sayle  <>

	PR middle-end/17411
	* tree-sra.c (generate_element_zero): Revert recent build_int_cst
	change. elt->type may be a floating point type, so use fold_convert.

2004-09-11  Geoffrey Keating  <>

	* config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
	the thing referenced as used, not the stub itself.

2004-09-11  Joseph S. Myers  <>

	* c-tree.h (enum c_storage_class): New.
	(struct c_declspecs): Add storage_class, inline_p and thread_p.
	* c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
	declarations and "auto" or "register" in file scope empty
	declarations.  Give more specific warnings for other cases of
	storage class specifiers in empty declarations.
	(grokdeclarator): Update for new structures.  Don't check for
	multiple storage classes.  Diagnose file-scope "register" if
	(build_null_declspecs): Update.
	(declspecs_add_scspec): Update.  Diagnose multiple storage class
	specifiers and invalid uses of "__thread".

2004-09-11  Zack Weinberg  <>

	* tree.c (tree_code_size): New function, bulk of code from tree_size.
	(tree_size, make_node): Use it.
	* tree-ssa-pre.c (init_pre): Use it.
	* tree.h: Prototype it.

2004-09-11  Zdenek Dvorak  <>

	* tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
	* tree-dfa.c (compute_immediate_uses, add_immediate_use,
	redirect_immediate_use): Use PHI_DF.
	* tree-flow-inline.h (stmt_ann): Abort on phi nodes.
	(bb_for_stmt): Use PHI_BB.
	(get_immediate_uses): Use PHI_DF.
	* tree-ssa-dse.c (max_stmt_uid): New variable.
	(get_stmt_uid): New function.
	(dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
	node annotations.
	* tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
	(max_uid): Renamed to max_stmt_uid.
	(get_stmt_uid): New function.
	(maybe_queue_var, single_reachable_address, determine_lsm): Do not use
	phi node annotations.
	* tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
	* tree.h (PHI_BB, PHI_DF): New accessor functions.
	(struct tree_phi_node): Add bb and df fields.

2004-09-11  Richard Henderson  <>

	PR middle-end/17416
	* cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
	in conflict loop.

2004-09-11  Jan Hubicka  <>

	* i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
	(EMIT_MODE_SET): UNINITIALIZED mode needs no set.
	* (i387_cw): Add 'uninitialized' mode.

	* profile.c (BB_TO_GCOV_INDEX): move more to the front.
	(output_location): Break out from ....
	(branch_prob): ... here; handle gcov output on trees.
	* toplev.c (process_options): No longer be sorry about coverage for

2004-09-11  Steven Bosscher  <>

	PR c++/17412
	* fold-const.c (fold): Do not try to fold the operand of a
	CLEANUP_POINT_EXPR if that operand does itself not have any

	PR middle-end/17417
	* langhooks.c (lhd_decl_printable_name): Make sure that this
	function is called with is a decl node that has an identifier.
	* tree-pretty-print.c (dump_function_name): New function to
	wrap PRINT_FUNCTION_NAME and dump_decl_name.
	(print_call_name): Use it.

2004-09-11  Mohan Embar  <>

	* ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
	"config.h" if not.

2004-09-11  Jakub Jelinek  <>

	* tree-ssa-alias.c (collect_points_to_info_r): Handle
	pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing

2004-09-11  Richard Henderson  <>

	* expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
	(expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
	operand of the ADDR_EXPR.
	(expand_expr_real_1): Update to match.

2004-09-11  David Edelsohn  <>

	PR target/17277
	* config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
	choose 64-bit version.

2004-09-11  Richard Henderson  <>

	PR c/17396
	* c-typeck.c (build_unary_op): Add legacy offsetof hack.

2004-09-11  Kazu Hirata  <>

	* doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
	doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
	Insert @: after i.e. or e.g.

2004-09-10  Geoffrey Keating  <>

	* tree-pretty-print.c (dump_decl_name): Print unnamed decls as rather than <Dxxx>.

2004-09-10  Adam Nemet  <>

	* (AC_MSG_CHECKING(what linker to use)):
	in_tree_ld_is_elf should be true for LynxOS.
	* configure: Regenerate.

2004-09-10  Adam Nemet  <>

	* (all.cross): Add srcextra.

2004-09-10  Roger Sayle  <>

	PR middle-end/17024
	* fold-const.c (fold_cond_expr_with_comparison): Handle unordered
	floating point comparison operators.  Change aborts to gcc_asserts.

2004-09-10  Geoffrey Keating  <>

	* final.c (output_asm_insn): Correct problem with -fverbose-asm.

2004-09-10  James E Wilson  <>

	* (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
	(stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.

	* convert.c (convert_to_vector): Replace recursive call with

	* emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
	Add integer argument named constant.  Use const_tiny_rtx instead of
	(gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
	and CONST1_RTX.
	(init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
	vector types.
	* expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
	of gen_rtx_raw_CONST_VECTOR.

2004-09-10  Eric Christopher  <>

	PR c/16046
	* (attribute): Add NULL_TREE for error case
	for error recovery.

2004-09-10  Zack Weinberg  <>

	* c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
	(extract_interface_info): Delete prototype.
	* c-decl.c (extract_interface_info): Delete stub.
	* c-lex.c (get_fileinfo): Initialize file_info_tree here, if
	it's not already been done ...
	(init_c_lex): ... not here.
	(fe_file_change): Don't call extract_interface_info.

2004-09-11  Joseph S. Myers  <>

	* c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
	typedef_p and typedef_signed_p.
	* c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
	(grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
	Check typedef_p and typedef_signed_p, not typedef_decl.
	(grokfield): Check typedef_p, not typedef_decl.
	(build_null_declspecs): Initialize typedef_p and typedef_signed_p,
	not typedef_decl.
	(declspecs_add_type): Set typedef_p and typedef_signed_p, not

2004-09-10  Kazu Hirata  <>

	* doc/tm.texi, doc/tree-ssa.texi: Fix typos.

2004-09-10  Geoffrey Keating  <>

	* gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
	temporary variables.

	* dbxout.c (dbxout_block): Update for
	current_function_func_begin_label a string.
	* dwarf2out.c (dwarf2out_begin_prologue): Likewise.
	* except.c (dw2_output_call_site_table): Likewise.
	* toplev.c (current_function_func_begin_label): Likewise.
	* tree.h (current_function_func_begin_label): Likewise.
	* config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.

	* final.c (output_asm_insn): Use strtoul instead of atoi, save a

	* config/darwin.c: Include target.h.
	(struct machopic_indirection): Make ptr_name a string.
	(machopic_indirection_hash): Update for ptr_name a string.
	(machopic_indirection_eq): Likewise.
	(machopic_indirection_name): Likewise.
	(machopic_output_indirection): Likewise.
	(machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
	string.  Don't expect stub names to be in the identifier hash table.
	Do call strip_name_encoding before looking up entry in ID hash table.
	* config/t-darwin (darwin.o): Add target.h to dependencies.

	* config/rs6000/rs6000.c (print_operand): Use fputs instead
	of fprintf for register names.

	* output.h (unlikely_section_label): Delete declaration.
	(unlikely_text_section_name): Likewise.
	* varasm.c (unlikely_section_label_printed): Make static.
	(unlikely_section_label): Likewise.
	(unlikely_text_section_name): Likewise.
	(assemble_start_function): Use reconcat.

	* rtl.def (REG): Add comment to describe third field.

2004-09-10  Andrew Pinski  <>

	* config/darwin.c (machopic_mcount_stub_name): Call
	machopic_indirection_name instead of making the string

2004-09-10  Diego Novillo  <>


	2004-09-08  Jie Zhang  <>

	    * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
	    memory tag is call clobbered, so are its aliases.
	    (group_aliases): When two memory tags being grouped, if one is
	    call clobbered, so are the other and its aliases.
	    (add_may_alias): Remove call-clobbering stuff.
	    (replace_may_alias): Likewise.
	    (merge_pointed_to_info): Merge pt_global_mem

2004-09-10  Kazu Hirata  <>

	* bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
	genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
	passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
	tree-scalar-evolution.c, tree-ssa-copyrename.c,
	tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.

2004-09-10  Richard Sandiford  <>

	* config/frv/ (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
	(maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
	pair.  Remove match_dup from inputs.  Remove masaccs handling.
	(mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
	(masaccs, mdasaccs): Turn into define_insns.

2004-09-10  Richard Sandiford  <>

	* tree-tailcall.c (process_assignment): Only do accumulator transforms
	for floating-point types if flag_unsafe_math_optimizations.

2004-09-10  Kazu Hirata  <>

	* config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
	config/arm/arm.h, config/arm/, config/arm/bpabi.h,
	config/arm/, config/frv/frv.c, config/frv/,
	config/h8300/, config/i386/gmm_malloc.h,
	config/ia64/, config/ip2k/libgcc.S,
	config/mips/, config/mips/mips.c,
	config/rs6000/rs6000.c, config/s390/s390.c,
	config/sh/symbian.c: Fix comment typos.

2004-09-10  Andreas Krebbel  <>

	* config/s390/s390.c (s390_emit_prologue): Added missing
	"{}" brackets.

2004-09-10  Kazu Hirata  <>

	* doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
	typos.  Follow spelling conventions.

2004-09-10  Joseph S. Myers  <>

	* toplev.c (warn_deprecated_use): Correct logic for saying "type"
	in diagnostic.  Don't dereference NULL TYPE_NAME.

2004-09-10  Kazu Hirata  <>

	* c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
	tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
	tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
	value-prof.c: Fix comment typos.  Follow spelling conventions.

2004-09-10  Jan Hubicka  <>

	* tree-ssa-dce.c (remove_dead_stmt): Update profile.
	* tree-split_edge.c (tree_split_edge): Likewise.
	(thread_jumps): Likewise.

2004-09-10  Kazu Hirata  <>

	* cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment

2004-09-10  Paolo Bonzini  <>

	* cgraph.h (cgraph_dump_file): Do not declare.
	* cgraphunit.c (cgraph_dump_file): Declare as static.
	(init_cgraph): New.
	* toplev.c (cgraph_dump_file): Do not declare.
	(compile_file): Call init_cgraph.
	* tree-dump.c (dump_files): Add IPA dump file, remove
	XML dump of call graph.
	(get_dump_file_name): Support IPA dump file naming scheme.
	* tree.h (enum tree_dump_index): Add IPA dump file, remove
	XML dump of call graph.
	* doc/invoke.texi (Debugging Options): Document the new options.

2004-09-10  Richard Sandiford  <>

	* doc/extend.texi: Document the FR-V built-in functions.

2004-09-09  James E Wilson  <>

	* doc/sourcebuild.texi: Delete libbanshee reference.

2004-09-10  Kelley Cook  <>

	* (s-gtype): Add $(build_exeext) to gengtype command.

2004-09-09  James E Wilson  <>

	* c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
	before calling vector_types_convertible_p.
	(digest_init): Check that inside_init has VECTOR_TYPE before calling
	vector_types_convertible_p.  Don't give another error if
	convert_for_assignment returns error_mark_node.

2004-09-09  Roger Sayle  <>

	PR middle-end/17055
	* fold-const.c (build_zero_vector): New function to construct a
	vector (either floating point or integer) of zeros.
	(fold_convert): Internally, enable conversions of integer zero
	to arbitrary vector types, using the new build_zero_vector.

2004-09-09  Roger Sayle  <>

	* config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
	expand a left shift by an immediate constant as either an ashl or
	a sequence of additions.
	(ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
	instead of calling gen_ashlsi3 with a constant directly.

2004-09-09  Roger Sayle  <>

	* config/i386/i386.c (ix86_split_long_move): When optimizing for
	size, and the low and high parts of a DImode constant are equal,
	copy one register to another instead of loading the same immediate
	value twice.

2004-09-09  Richard Henderson  <>

	PR middle-end/17367
	* function.c (assign_parm_setup_block): Only put PARALLELs into
	a register if use_register_for_decl.

2004-09-09  Eric Christopher  <>

	* ra-colorize.c (reset_lists): Move variable declaration inside
	ENABLE_CHECKING to avoid unused variable warnings when
	not --enable-checking.
	(check_colors): Ditto.

2004-09-09  Mike Stump  <>

	* version.c (version_string): Bump to 4.0.0.
	* doc/include/gcc-common.texi (version-GCC): Likewise.

2004-09-10  Jakub Jelinek  <>

	* doc/extend.texi (nothrow attribute): The attribute is not
	implemented in 3.2 and earlier.

2004-09-09  Steve Ellcey  <>

	* genrecog.c (compute_predicate_codes): Use op0_codes
	instead of codes.

2004-09-09  Ulrich Weigand  <>

	* ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
	implementation changes.

2004-09-09  Ulrich Weigand  <>

	* combine.c (try_combine): When swapping i2 and i3, newi2pat may be
	a PARALLEL instead of a SET due to added clobbers.

2004-09-09  Ulrich Weigand  <>

	* reload.c (find_reloads_address): Pass correct operand to

2004-09-09  Daniel Berlin  <>

	* Remove libbanshee, tree-alias-*.
	Remove tree-alias-common.h dependencies.
	* common.opt: Remove -ftree-points-to.
	* Remove libbanshee.
	* flags.h: Remove pta_type, flag_tree_points_to.
	* gengtype.c (open_base_files): Remove tree-alias-type.h.
	* opts.c (OPT_ftree_points_to): Remove.
	* toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
	* tree-dfa.c: Remove tree-alias-common.h
	* tree-into-ssa.c: Ditto.
	* tree-outof-ssa.c: Ditto.
	* tree-ssa-copyrename.c: Ditto.
	* tree-ssa-live.c: Ditto.
	* tree-optimize.c: Ditto.
	* tree-ssa.c: Ditto.
	Remove pass_build_pta, pass_del_pta.
	* tree-pass.h: Ditto.
	* tree-ssa-alias.c: Remove tree-alias-common.h.
	(struct alias_stats_d):	Remove pta_queries, pta_resolved.
	(pass_may_alias): Remove PROP_pta requirement.
	(may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
	(get_tmt_for): Ditto.
	(dump_alias_stats): Ditto.
	* doc/passes.texi: Remove blurb about points-to analysis.
	* fortran/ Remove tree-alias-*.o.

2004-09-09  Richard Sandiford  <>

	* genattrtab.c (write_insn_cases): New function, split out from
	write_attr_case.  Correctly handle define_peepholes when printing
	the instruction name.
	(write_attr_case, write_const_num_delay_slots): Use write_insn_cases.

2004-09-09  Hans-Peter Nilsson  <>

	PR target/17377
	* config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
	* config/cris/cris.c (cris_return_address_on_stack): New function.
	* config/cris/ ("return"): For location of return address,
	also check cris_return_address_on_stack.

2004-09-09  Diego Novillo  <>

	* tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
	calling phi_ssa_name_p.

2004-09-09  Richard Henderson  <>

	PR c/17322
	* c-typeck.c (valid_compound_expr_initializer): Use only
	initializer_constant_valid_p, and not TREE_CONSTANT.
	(digest_init): Likewise.
	(output_init_element): Likewise.

2004-09-09  Giovanni Bajo  <>

	* ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
	live_out_1, prune_hardregs_for_mode, init_one_web_common,
	reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
	record_conflict, compare_and_free_webs, init_webs_defs_uses,
	parts_to_webs_1, parts_to_webs, reset_conflicts,
	check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
	ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
	* ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
	put_move, remove_move, combine, select_spill, colorize_one_web,
	try_recolor_web, insert_coalesced_conflicts, check_colors,
	break_precolored_alias, restore_conflicts_from_coalesce,
	sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
	* ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
	reloads_to_loads, rewrite_program2, emit_colors): Likewise.
	* ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
	check_df): Likewise.
	* real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
	real_arithmetic, real_compare, real_exponent, real_ldexp,
	real_identical, real_to_integer, real_to_integer2, real_to_decimal,
	real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
	real_digit, real_nan, real_maxval, round_for_format, real_convert,
	real_to_target, real_from_target, real_hash, encode_ieee_single,
	encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
	encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
	encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
	* recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
	extract_insn, peep2_next_insn, peep2_reg_dead_p,
	peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
	if_test_bypass_p): Likewise.
	* reg-stack.c (record_label_references, get_asm_operand_n_inputs,
	stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
	emit_swap_insn, swap_to_top, move_for_stack_reg,
	subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
	compensate_edge, convert_regs_1): Likewise.
	* regclass.c (init_reg_sets, init_reg_sets_1,
	memory_move_secondary_cost): Likewise.
	* regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
	* reload.c (push_secondary_reload, find_valid_class, push_reload,
	operands_match_p, decompose, immune_p, find_reloads,
	find_reloads_toplev, find_reloads_address_1, subst_reloads,
	copy_replacements, refers_to_regno_for_reload_p,
	reg_overlap_mentioned_for_reload_p): Likewise.
	* reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
	count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
	verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
	reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
	choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
	do_output_reload, fixup_abnormal_edges): Likewise.
	* reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
	fill_slots_from_thread, relax_delay_slots): Likewise.
	* resource.c (mark_referenced_resources, mark_set_resources):
	* rtl.c (copy_rtx, rtx_equal_p): Likewise.
	* rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
	dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
	subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
	find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
	hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
	* rtlhooks.c (gen_lowpart_general): Likewise.
	* sbitmap.c (sbitmap_difference): Likewise.
	* sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
	sched_analyze, add_forward_dependence): Likewise.
	* sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
	* sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
	schedule_insns): Likewise.
	* sched-vis.c (print_pattern): Likewise.
	* sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
	* simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
	simplify_const_relational_operation, simplify_ternary_operation,
	simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
	* sreal.c (copy, sreal_sub, sreal_div): Likewise.
	* stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
	resolve_operand_name_1, expand_return, expand_decl,
	expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
	* stor-layout.c (put_pending_size, smallest_mode_for_size,
	int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
	set_sizetype, get_mode_bounds): Likewise.

2004-09-09  Zack Weinberg  <>

	* defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
	* config/arm/pecoff.h, config/i386/beos-elf.h
	* config/i386/cygming.h, config/i386/i386-interix.h:
	Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
	comment cloned from manual.
	* doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.

2004-09-09  Frank Ch. Eigler  <>

	* builtins.c (build_va_arg_indirect_ref): New function.
	(std_gimplify_va_arg_expr): Call it instead of mudflap check and
	* config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
	* tree.h: Declare new function.

2004-09-09  Nathan Sidwell  <>

	* cgraphunit.c (cgraph_mark_functions_to_output): Renable node
	dumping for development builds.
	* emit-rtl.c (verify_rtx_sharing): Give verbose failure for
	development builds only.
	* genattrtab.c (write_eligible_delay): Fix typo in previous
	* tree.c (iterative_hash_expr): Replace gcc_unreachable with

2004-09-09  Nathan Sidwell  <>

	* gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
	cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
	process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
	hoist_code, extract_mentioned_regs_helper, compute_store_table,
	insert_store): Use gcc_assert and gcc_unreachable.
	* ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
	gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
	ggc_record_overhead): Likewise.
	* ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
	init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
	ggc_pop_context, clear_marks, validate_free_objects,
	ggc_pch_read): Likewise.
	* ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
	ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
	ggc_push_context, check_cookies, ggc_collect,
	ggc_print_statistics): Likewise.
	* gimple-low.c (lower_function_body, lower_stmt,
	lower_bind_expr): Likewise.
	* gimplify.c (gimple_tree_eq, push_gimplify_context,
	pop_gimplify_context, gimple_pop_condition, create_tmp_var,
	declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
	mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
	gimplify_case_label_expr, gimplify_exit_block_expr,
	canonicalize_component_ref, gimplify_compound_lval,
	gimplify_self_mod_expr, gimplify_call_expr,
	gimplify_init_ctor_eval, gimplify_init_constructor,
	gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
	gimplify_expr, check_pointer_types_r,
	force_gimple_operand): Likewise.
	* global.c (global_alloc, build_insn_chain): Likewise.
	* graph.c (clean_graph_dump_file,
	finish_graph_dump_file): Likewise.
	gcov-io.c (gcov_open): Use GCOV_CHECK.

2004-09-09  Richard Sandiford  <>

	* config/frv/frv.c (acc_operand, accg_operand): Use REGNO.

2004-09-09  Jan Hubicka  <>

	* tree-inline.c (expand_call_inline): Make overactive sanity check

2004-09-09  Jan Hubicka  <>

	* tree-ssa-loop-ivopts.c (peel_address): Fix abort on

2004-09-09  Nathan Sidwell  <>

	* (gengtype): Use $(BUILD_ERRORS).
	(gengtype.o): Depend on errors.h.
	* genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
	(attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
	attr_alt_subset_p, attr_alt_subset_of_compl_p,
	attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
	write_test_expr, write_attr_value, write_eligible_delay,
	make_internal_attr, make_numeric_value): Likewise.
	* genautomata.c (regexp_name, get_str_vect,
	gen_presence_absence_set, automaton_decl_hash,
	automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
	decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
	process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
	test_unit_reserv, it_is_empty_reserv_sets,
	reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
	reserv_sets_and, output_cycle_reservs, get_free_state,
	intersected_state_reservs_p, states_union, remove_arc,
	copy_insn_regexp, transform_1, transform_2, transform_3,
	regexp_transform_func, store_alt_unit_usage,
	check_regexp_units_distribution, process_seq_for_forming_states,
	process_alts_for_forming_states, make_automaton,
	form_arcs_marked_by_insn, create_composed_state,
	set_out_arc_insns_equiv_num, partition_equiv_class,
	process_insn_equiv_class, set_insn_equiv_classes,
	units_to_automata_heuristic_distr, form_regexp,
	longest_path_length, output_dfa_max_issue_rate, add_vect,
	out_state_arcs_num, add_vect_el, output_trans_table,
	output_state_alts_table, output_dead_lock_vect,
	output_internal_insn_latency_func, output_print_reservation_func,
	output_cpu_unit_reservation_p, output_state_arcs,
	make_insn_alts_attr, make_internal_dfa_insn_code_attr,
	form_important_insn_automata_lists): Likewise.
	* genemit.c (gen_exp, output_add_clobbers,
	output_added_clobbers_hard_reg_p): Likewise.
	* genextract.c (print_path, main): Likewise.
	* genflags.c (gen_macro): Likewise.
	* gengenrtl.c: Include errors.h
	(type_from_format, accessor_from_format): Likewise.
	* gengtype.c (get_file_basename, output_mangled_typename,
	walk_type, write_types_process_field,
	write_types_local_process_field): Likewise.
	* genmodes.c (complete_mode): Likewise.
	* genopinit.c (gen_insn): Likewise.
	* genoutput.c (output_insn_data, check_constraint_len,
	constraint_len): Likewise.
	* genpreds.c (add_mode_tests):Likewise.
	* gen-protos.c (add_hash): Likewise.
	* genrecog.c (find_operand, find_matching_operand,
	validate_pattern, add_to_sequence, maybe_both_true,
	nodes_identical_1, merge_trees, write_switch, write_cond,
	write_action, is_unconditional, make_insn_sequence,
	debug_decision_2): Likewise.
	* gensupport.c (is_predicable, collect_insn_data,
	alter_predicate_for_insn, maybe_eval_c_test): Likewise.

2004-09-09  Jan Hubicka  <>

	* basic-block.h (guess_outgoing_edge_probabilities): Declare.
	* cfgbuild.c (compute_outgoing_frequencies): When probability is
	missing, guess it.
	(find_many_sub_basic_blocks): Do update profile only when it is
	* predict.c (set_even_probabilities): Break out from ...
	(combine_predictions_for_insn): ... here; deal with
	!can_predict_insn_p insns.
	(combine_predictions_for_bb): Use set_even_probabilities.
	(bb_estimate_probability_locally): Break out from ....
	(estimate_probability): ... here.
	(guess_outgoing_edge_probabilities): New entry point.

2004-09-09  Nathan Sidwell  <>

	* gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
	handle_braces, process_brace_body, main, used_arg,
	set_multilib_dir, print_multilib_info): Use fatal, not abort.

	* tree-nested.c (create_tmp_var_for): Correct missinverted assert.

	* tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
	* tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
	Morgan's theorem in last checkin.

2004-09-09  Giovanni Bajo  <>
	    Nathan Sidwell  <>

	* targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
	Use gcc_assert, gcc_unreachable & internal_error instead of abort.
	* timevar.c (timevar_push, timevar_pop, timevar_start,
	timevar_stop): Likewise.
	* toplev.c (default_pch_valid_p): Likewise.
	* tracer.c (tail_duplicate): Likewise.
	* tree-alias-common.c (get_alias_var_decl,
	get_values_from_constructor, create_alias_var, delete_alias_vars,
	empty_points_to_set, same_points_to_set, ptr_may_alias_var):
	* tree.c (tree_size, make_node_stat, copy_node_stat,
	build_int_cst_wide, integer_all_onesp, list_length, chainon,
	tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
	substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
	build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
	lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
	build_method_type_directly, decl_type_context, get_callee_fndecl,
	get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
	tree_fold_gcd): Likewise.
	* tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
	make_cond_expr_edges, group_case_labels, tree_merge_blocks,
	cleanup_control_expr_graph, find_taken_edge,
	find_taken_edge_switch_expr, phi_alternatives_equal,
	is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
	stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
	tree_split_edge, tree_verify_flow_info, thread_jumps,
	tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
	* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
	chrec_fold_multiply_poly_poly): Likewise.
	* tree-complex.c (extract_component, expand_complex_division,
	expand_complex_comparison, expand_complex_operations_1,
	build_replicated_const, expand_vector_operations_1): Likewise.
	* tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
	build_classic_dir_vector): Likewise.
	* tree-dfa.c (compute_immediate_uses_for_phi,
	compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
	create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
	record_in_finally_tree, replace_goto_queue_1,
	maybe_record_in_goto_queue, verify_norecord_switch_expr,
	do_return_redirection): Likewise.
	* tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
	add_to_dst_predicate_list, find_phi_replacement_condition,
	replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
	* tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
	initialize_inlined_parameters, declare_return_variable,
	estimate_num_insns_1, expand_call_inline, expand_calls_inline,
	optimize_inline_calls, copy_tree_r): Likewise.
	* tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
	ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
	* tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
	tsi_split_statement_list_after, tsi_split_statement_list_before):
	* tree-mudflap.c (mf_varname_tree): Likewise.
	* tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
	lookup_tramp_for_decl, convert_all_function_calls): Likewise.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	* tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
	coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
	free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
	* tree-phinodes.c (resize_phi_node, add_phi_arg,
	remove_all_phi_nodes_for): Likewise.
	* tree-pretty-print.c (op_prio, print_call_name): Likewise.
	* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
	tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
	* tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
	sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
	generate_one_element_ref, generate_element_copy,
	generate_element_zero, scalarize_copy, scalarize_init,
	scalarize_ldst): Likewise.
	* tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
	add_may_alias, add_pointed_to_expr, add_pointed_to_var,
	collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
	* tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
	* tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
	set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
	widen_bitfield, ccp_fold_builtin): Likewise.
	* tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
	replace_exp_1, propagate_tree_value): Likewise.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
	* tree-ssa-dce.c (set_control_dependence_map_bit,
	find_control_dependence, find_pdom, mark_operand_necessary,
	mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
	* tree-ssa-dom.c (dom_opt_initialize_block_local_data,
	simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
	eliminate_redundant_computations, avail_expr_eq): Likewise.
	* tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
	duplicate_blocks): Likewise.
	* tree-ssa-loop-im.c (for_each_index, set_level,
	is_call_clobbered_ref): Likewise.
	* tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
	stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
	find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
	peel_address, ptr_difference_cost, may_replace_final_value,
	determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
	rewrite_use, rewrite_uses): Likewise.
	* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
	check_loop_closed_ssa_use): Likewise.
	* tree-ssanames.c (make_ssa_name): Likewise.
	* tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
	finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
	get_stmt_operands, get_expr_operands, get_asm_expr_operands,
	get_indirect_ref_operands, add_stmt_operand): Likewise.
	* tree-ssa-pre.c (value_exists_in_set_bitmap,
	value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
	phi_translate, valid_in_set, compute_antic,
	find_or_generate_expression, create_expression_by_pieces, insert_aux,
	create_value_expr_from, eliminate): Likewise.
	* tree-ssa-propagate.c (cfg_blocks_get): Likewise.
	* tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
	* tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
	eliminate_tail_call): Likewise.
	* tree-vectorizer.c (vect_create_index_for_array_ref,
	vect_align_data_ref, vect_create_data_ref,
	vect_create_destination_var, vect_get_vec_def_for_operand,
	vect_finish_stmt_generation, vect_transform_stmt,
	vect_transform_loop_bound, vect_transform_loop,
	vect_analyze_operations): Likewise.
	* tree-vn.c (vn_compute, set_value_handle, get_value_handle):
	* tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
	get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
	bsi_after_labels, bsi_last): Likewise.
	* tree-ssa-live.c (var_union, change_partition_var,
	create_ssa_var_map, calculate_live_on_entry, root_var_init,
	type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
	* tree-ssa-live.h (partition_is_global, live_entry_blocks,
	tpa_find_tree): Likewise.
	(register_ssa_partition_check): Declare.
	(register_ssa_partition): use it.
	* tree-ssa-live.c: Include errors.h.
	(register_ssa_partition_check): New.
	* tree-ssa-operands.c: Include errors.h.
	* (tree-ssa-operands.o): Depend on errors.h.

2004-09-09  Richard Sandiford  <>
	    Catherine Moore  <>

	* config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
	(FRV_CPU_FR405): New processor enums.
	(frv_issue_rate, frv_acc_group): Declare.
	* config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
	(MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
	(TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
	handled by CPP_SPEC.
	(ACC_MASK): New macro.
	(TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
	(TARGET_MEDIA_FR450): New macro.
	(TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
	(ACC_LAST, ACCG_LAST): Add four new accumulator registers.
	(IACC_FIRST, IACC_LAST): New pair of SPRs.
	(ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
	(REGISTER_NAMES): Add entries for new registers.
	(REG_CLASS_CONTENTS): Update for new register ranges.
	(EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
	(FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
	(FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
	(CPU_UNITS_QUERY): Define to 1.
	* config/frv/frv.c: Include gt-frv.h
	(frv_insn_group): New enumeration.
	(frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
	(frv_type_to_unit, frv_nops, frv_num_nops): New variables.
	(REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
	gap left by REGSTATE_LIVE.
	(regstate_t): New typedef.
	(frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
	(frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
	Initialize frv_unit_codes[] and frv_type_to_unit[].
	(frv_conditional_register_usage): Remove redundant fixing of
	accumulator registers.
	(frv_insn_packing_flag): Update specification.
	(frv_function_prologue): Don't set frv_insn_packing_flag here.
	Zero out frv_nops[].
	(frv_expand_epilogue): Remove comments about the no-longer-present
	SIBCALL_P argument.
	(frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
	PACKING_FLAG_USED_P() when deciding whether to pack instructions.
	(frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
	of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
	packing is disabled and if INSN can only issue to M1.
	(call_operand): Check TARGET_LONG_CALLS.
	(acc_operand, even_acc_operand, quad_acc_operand)
	(accg_operand): Simplify.  Don't accept pseudo registers.
	(output_move_single): Handle SPR<-zero moves.
	(frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
	(frv_registers_update, frv_registers_used_p): Delete.
	(frv_registers_set_p): Delete.
	(frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
	(frv_issues_to_branch_unit_p): New function.
	(frv_packet): New structure.
	(frv_cond_flags, frv_regstate_conflict_p): New functions.
	(frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
	(frv_registers_update_1, frv_registers_update): New functions.
	(frv_start_packet, frv_start_packet_block, frv_finish_packet)
	(frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
	(frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
	(frv_sort_insn_group, frv_reorder_packet): New functions.
	(frv_pack_insns): Use frv_reorder_packet.
	(frv_packet_address): New variable.
	(frv_fill_unused_units, frv_align_label, frv_reorg_packet)
	(frv_register_nop, frv_reorg): New functions.
	(bdesc_1arg): Add __SCUTSS.
	(bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
	__SUBSS, __SLASS and __SCAN.
	(bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
	(bdesc_int_void2arg, bdesc_prefetches): New arrays.
	(frv_init_builtins): Register the above builtins.
	(frv_int_to_acc): Use ACC_MASK to check for valid accumulator
	registers.  Turn the referenced accumulators into global registers.
	(frv_read_iacc_argument): New function.
	(frv_expand_int_void2arg, frv_expand_prefetches): New functions.
	(frv_split_iacc_move): New function.
	(frv_expand_builtin): Handle the new builtins.
	* config/frv/ Replace old schedulers with new order-independent
	ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
	packing algorithm.
	(cpu): Add fr550, fr450 and fr405.
	(type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
	mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
	(*muladd[sd]f4, *mulsub[sd]f4): Fix types.
	(*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
	(fnop, mnop): New patterns.
	New constants.
	(mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
	(mclracca8): Use ACC_MASK to determine the upper set of accumulator
	(mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
	(smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
	(frv_prefetch0, frv_prefetch): New patterns.
	* config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
	-mcpu=simple.  Add -mcpu=fr550.
	(MULTILIB_DIRNAMES): Update accordingly.
	(MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
	* doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
	-mlong-calls and -malign-labels options for FR-V.

2004-09-09  Joseph S. Myers  <>

	PR c/8420
	* c-tree.h (struct c_declspecs): New.
	(struct c_declarator, struct c_type_name, struct c_parm): Update
	element types.
	(build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
	start_function, start_decl, build_c_parm,
	make_pointer_declarator): Update prototypes.
	(build_null_declspecs, declspecs_add_qual, declspecs_add_type,
	declspecs_add_scspec, declspecs_add_attrs): New.
	(split_specs_attrs): Remove.
	* (%union): Add dsptype.
	(declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
	declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
	declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
	declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
	declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
	declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
	declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
	declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
	declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
	declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
	maybe_type_quals_attrs): Change to dsptype.
	(struct c_declspec_stack): New.
	(current_declspecs, declspec_stack): Change type.
	(extdefs): Likewise.
	(setspecs): Likewise.
	(fndef): Use current_declspecs for empty declspecs list.
	(declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
	declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
	declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
	declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
	declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
	declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
	declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
	declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
	structures and helper functions.  Update comments.
	(typespec_nonattr): Correct comment.
	(maybe_type_quals_attrs, typename): Update to new structures.
	* c-decl.c (grokdeclarator, build_array_declarator, grokfield,
	shadow_tag, shadow_tag_warned, start_function, start_decl,
	build_c_parm, make_pointer_declarator,
	set_array_declarator_inner, groktypename): Update to new
	(build_null_declspecs, declspecs_add_qual, declspecs_add_type,
	declspecs_add_scspec, declspecs_add_attrs): New.
	(split_specs_attrs): Remove.
	(shadow_tag_warned): Make warning for useless type names a
	pedwarn.  Give hard error for long, short, signed, unsigned or
	_Complex used with struct, union or enum in empty declaration.
	Make found_tag a bool.
	(grokdeclarator): Remove checks now done at parse time.

2004-09-09  Joseph S. Myers  <>

	* c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
	c_declarator, struct c_type_name, struct c_parm): New.
	(build_array_declarator, set_array_declarator_inner,
	get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
	start_function, start_decl, build_c_parm, build_attrs_declarator,
	build_function_declarator, make_pointer_declarator, c_cast_expr,
	store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
	(build_id_declarator): New.
	* c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
	(build_id_declarator): New.
	(build_array_declarator, set_array_declarator_inner, groktypename,
	start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
	grokfield, start_function, store_parm_decls_newstyle,
	store_parm_decls_oldstyle, store_parm_decls,
	build_c_parm, build_attrs_declarator, build_function_declarator,
	make_pointer_declarator, grokdeclarator): Update to new
	* (%union): Add arginfotype, dtrtype, typenametype and
	(declarator, notype_declarator, after_type_declarator,
	parm_declarator, parm_declarator_starttypename,
	parm_declarator_nostarttypename, array_declarator, typename,
	absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
	absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
	parmlist_1, parmlist_2, parmlist_or_identifiers,
	parmlist_or_identifiers_1): Use these types.
	(primary, after_type_declarator, parm_declarator_starttypename,
	notype_declarator, component_decl, component_declarator,
	component_notype_declarator, typename, absdcl,
	absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
	parmlist_2, parmlist_or_identifiers_1): Update to new structures.

2004-09-09  Joseph S. Myers  <>

	* c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
	in_typeof, record_maybe_used_decl, pop_maybe_used,
	c_expr_sizeof_expr, c_expr_sizeof_type): New.
	* c-decl.c (parser_obstack): New.
	(c_init_decl_processing): Initialize parser_obstack.
	(c_write_global_declarations_1): Check for used but undefined
	static functions.
	* (%union): Add otype.
	(save_obstack_position): New.
	(extdefs): Use it.
	(unary_expr): Update in_sizeof and in_alignof.  Use
	c_expr_sizeof_expr and c_expr_sizeof_type.
	(sizeof): Update in_sizeof.
	(alignof): Update in_alignof.
	(typeof): Update in_typeof.
	(typespec_nonreserved_nonattr): Call pop_maybe_used.
	* c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
	maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
	pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
	(build_external_ref): Set C_DECL_USED or call
	record_maybe_used_decl if appropriate.
	* toplev.c (check_global_declarations): Check TREE_NO_WARNING.

2004-09-08  Eric Christopher  <>

	* builtins.c: Fix prototype for fold_builtin_atan.

2004-09-08  Eric Christopher  <>

	* builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
	fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
	fold_builtin_atan): New functions. Migrate function bodies...
	(fold_builtin_1): ... from here.

2004-09-09  Alan Modra  <>

	* config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of

2004-09-08  David Edelsohn  <>

	* config/rs6000/ (power4-lmul): du4 feeds iu1.
	* config/rs6000/ (power5-lmul): Same.

2004-09-08  Richard Henderson  <>

	PR rtl-opt/17186
	* function.c (expand_function_end): Have fall-off-the-end
	return path jump around return register setup.

2004-09-08  Eric Botcazou  <>

	* config/sparc/sparc.c (sparc_indent_opcode): New variable.
	(output_return): Do not test for the presence of the 'unimp' insn.
	Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
	as predicates instead of custom ones.  Return raw strings when
	(output_sibcall): Likewise.  Concatenate strings.
	(output_ubranch): Remove kludge for TurboSPARC.
	(output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
	(output_v9branch): Likewise.
	(print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
	<#>: Set sparc_indent_opcode if the delay slot is filled.
	<(>: Likewise.
	<)>: New operand to emit the displacement from the saved PC on return.
	<@>: Remove.
	* config/sparc/sparc.h (sparc_indent_opcode): Declare it.
	(ASM_OUTPUT_OPCODE): New macro.
	(PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
	* config/sparc/ (normal_branch, inverted_branch,
	normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
	inverted_fpe_branch): Adjust call to output_cbranch.
	(normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
	call to output_v9branch.
	* config/sparc/sparc-protos.h (output_cbranch): Adjust.
	(output_v9branch): Likewise.

2004-09-08  Devang Patel  <>

	* config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
	-segs_read_only_addr and -segs_read_write_addr.
	(LINK_SPEC): Same.
	* doc/invoke.texi: Document -segaddr, -segs_read_only_addr and

2004-09-08  Richard Henderson  <>

	* function.c (reference_callee_copied): New.
	(assign_parm_setup_reg): Use it.
	* calls.c (initialize_argument_information): Likewise.
	(emit_library_call_value_1): Likewise.
	* function.h (reference_callee_copied): Declare.

	* target.h (struct gcc_target): Add callee_copies.
	* target-def.h (TARGET_CALLEE_COPIES): New.
	(TARGET_PASS_BY_REFERENCE): Update default.
	* targhooks.c (hook_callee_copies_named): New.
	(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
	(hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
	* targhooks.h: Update decls.
	* config/arc/arc.c (TARGET_CALLEE_COPIES): New.
	* config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
	* config/frv/frv.c (frv_function_arg_callee_copies): Remove.
	* config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
	* config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
	* config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/mips/mips.c (TARGET_CALLEE_COPIES): New.
	(mips_callee_copies): New.
	* config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
	* config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
	* config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/pa/pa.c (TARGET_CALLEE_COPIES): New.
	* config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/sh/sh.c (sh_callee_copies): New.
	* config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* config/v850/v850.c (TARGET_CALLEE_COPIES): New.
	* config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
	* doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
	* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.

2004-09-08  Devang Patel  <>

	* tree-if-conv.c (find_phi_replacement_condition): Return true
	edge block.
	(replace_phi_with_cond_modify_expr): Select conditional expr args
	based on true edge basic block.

2004-09-08  Jan Hubicka  <>

	* tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
	variables being alias set.

2004-09-08  Nathan Sidwell  <>

	* final.c (shorten_branches, final, get_insn_template,
	output_alternate_entry_point, final_scan_insn, alter_subreg,
	alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
	leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
	* fix-header.c (lookup_std_proto): Likewise.
	* flow.c (first_insn_after_basic_block_note, verify_wide_reg,
	verify_local_live_at_start, update_life_info, mark_reg,
	calculate_global_regs_live, allocate_reg_life_data,
	init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
	ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
	attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
	* fold-const.c (force_fit_type, div_and_round_double,
	may_negate_without_overflow_p, int_const_binop, const_binop,
	size_binop, size_diffop, fold_convert_const, fold_convert,
	invert_tree_comparison, swap_tree_comparison,
	comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
	range_binop, make_range, fold_cond_expr_with_comparison,
	fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
	fold_abs_const, fold_not_const, fold_relational_const, round_up,
	round_down): Likewise.
	* function.c (find_function_data, assign_stack_temp_for_type,
	instantiate_virtual_regs_lossage, aggregate_value_p,
	assign_parm_find_entry_rtl, assign_parm_setup_block,
	expand_function_start, expand_function_end, keep_stack_depressed,
	handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.

2004-09-08  Daniel Berlin  <>

	* (tree-loop-linear.o): Added.
	(OBJS-common): Add tree-loop-linear.o
	* common.opt: New flag, ftree-loop-linear.
	* timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
	* tree-flow.h: Add prototype for linear_transform_loops.
	* tree-optimize.c: Add linear transform after vectorization.
	* tree-pass.h: Add struct pass_linear_transform.
	* tree-ssa-loop.c: Add pass_linear_transform.
	* tree-loop-linear.c: New file.
	* lambda-code.c: gcc_assertify.
	(gcc_loop_to_lambda_loop): Handle all exit tests.
	Handle case where we have (invariant >= induction var).
	(find_induction_var_from_exit_cond): Ditto.

2004-09-08  Jie Zhang  <>

	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
	memory tag is call clobbered, so are its aliases.
	(group_aliases): When two memory tags being grouped, if one is
	call clobbered, so are the other and its aliases.
	(add_may_alias): Remove call-clobbering stuff.
	(replace_may_alias): Likewise.
	(merge_pointed_to_info): Merge pt_global_mem

2004-09-08  Jan Hubicka  <>

	* cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
	* cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
	(cgraph_expand_function): Remove stale cgraph edges of currently
	compiled function; fix non-unit-at-a-time code copying function
	node for later reuse.

2004-09-08  Nathan Sidwell  <>

	* vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
	(vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
	(vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
	(vec_gc_free, vec_heap_free): New.
	* vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
	(DEF_VEC_P): Add allocator argument. Adjust.
	(DEF_VEC_O): Add allocator argument. Adjust.
	(VEC(free)): New.

	* tree.h (tree): Define a GC'd vector.
	* lamba-code.c (lambda_loop): Likewise.
	* value-prof.h (histogram_value): Likewise.

2004-09-08  Nathan Sidwell  <>

	* emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
	(gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
	gen_lowpart_common, gen_highpart, gen_highpart_mode,
	subreg_highpart_offset, operand_subword, operand_subword_force,
	mem_expr_equal_p, set_mem_attributes_minus_bitpos,
	set_mem_alias_set, change_address_1, verify_rtx_sharing,
	copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
	try_split, add_insn_after, add_insn_before, remove_insn,
	remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
	emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
	emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
	set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
	gen_const_vector_0, emit_copy_of_insn_after): Likewise.
	* et-forest.c (set_prev, set_next, et_check_occ_sanity,
	record_path_before_1, check_path_after_1, check_path_after): Likewise.
	* except.c (gen_eh_region, resolve_one_fixup_region,
	remove_unreachable_regions, convert_from_eh_region_ranges_1,
	add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
	connect_post_landing_pads, sjlj_emit_function_exit,
	remove_exception_handler_label, remove_eh_handler,
	reachable_next_level, collect_one_action_chain,
	output_function_exception_table): Likewise.
	* explow.c (trunc_int_for_mode, copy_to_mode_reg,
	optimize_save_area_alloca, allocate_dynamic_stack_space,
	probe_stack_range, hard_function_value): Likewise.
	* expmed.c (mode_for_extraction, store_bit_field,
	store_fixed_bit_field, extract_bit_field, expand_shift,
	expand_mult_const, expand_mult, choose_multiplier,
	expand_mult_highpart, expand_divmod, emit_store_flag,
	do_cmp_and_jump): Likewise.
	* expr.c (convert_move, convert_modes, move_by_pieces,
	move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
	move_block_from_reg, gen_group_rtx, emit_group_load,
	emit_group_move, emit_group_store, use_reg, use_regs,
	can_store_by_pieces, store_by_pieces, store_by_pieces_1,
	emit_move_insn, emit_move_insn_1, emit_push_insn,
	expand_assignment, store_expr, count_type_elements,
	store_constructor, store_field, safe_from_p, expand_var,
	expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.

2004-09-08  Nathan Sidwell  <>

	* dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
	gcc_assert and gcc_unreachable.
	* ddg.c (create_ddg_dependence, add_deps_for_def,
	add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
	* df.c (df_ref_unlink, df_ref_record, df_uses_record,
	df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
	df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
	df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
	df_bb_reg_live_end_p, df_bb_regs_lives_compare,
	df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
	dataflow_set_copy, hybrid_search, diagnostic.c,
	diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
	* dojump.c (do_jump): Likewise.
	* dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
	compute_dom_fast_query, calculate_dominance_info,
	free_dominance_info, get_immediate_dominator,
	set_immediate_dominator, get_dominated_by,
	redirect_immediate_dominators, nearest_common_dominator,
	dominated_by_p, verify_dominators, recount_dominator,
	iterate_fix_dominators, add_to_dominance_info,
	delete_from_dominance_info): Likewise.
	* dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
	dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
	dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
	* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
	initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
	flush_queued_reg_saves, dwarf2out_frame_debug_expr,
	dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
	output_call_frame_info, output_loc_operands, build_cfa_loc,
	decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
	AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
	AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
	splice_child_die, attr_checksum, same_dw_val_p,
	break_out_includes, build_abbrev_table, size_of_die, mark_dies,
	unmark_dies, value_format, output_loc_list, output_die,
	output_pubnames, output_aranges, base_type_die, is_base_type,
	modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
	mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
	field_byte_offset, add_data_member_location_attribute,
	add_const_value_attribute, rtl_for_decl_location,
	add_location_or_const_value_attribute, add_byte_size_attribute,
	add_bit_offset_attribute, add_bit_size_attribute,
	add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
	decl_start_label, gen_formal_parameter_die,
	gen_type_die_for_member, gen_subprogram_die, gen_label_die,
	gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
	force_decl_die, force_type_die, gen_decl_die,
	dwarf2out_imported_module_or_decl, prune_unused_types_prune,
	dwarf2out_finish): Likewise.

2004-09-08  Andreas Tobler  <>

	* (builtins.o): Depend on tree-mudflap.h.
	* builtins.c: Include tree-mudflap.h.

2004-09-08  Uros Bizjak  <>

	* config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
	force operand 0.0 into register in XFmode. Also do not force
	operand 0.0 into register if !TARGET_CMOVE.
	* config/i386/ (*cmpfp_0): Delete. Remove comment.
	(*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
	implement ftst x87 instruction.
	(*fp_jcc_7): New insn pattern. Change corresponding split
	pattern to handle "general_operand" instead of

2004-09-08  Ben Elliston  <>

	* doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.

2004-09-07  Frank Ch. Eigler  <>

	* builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
	generated from standard va_arg expansion.
	* tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
	marked nodes.
	(mf_varname_tree, mf_file_function_line_tree): Add some support
	for column numbers if compiled with USE_MAPPED_LOCATION.

2004-09-07  Ziemowit Laski  <>

	* c-decl.c (groktypename_in_parm_context): Remove function.
	* c-tree.h (groktypename_in_parm_context): Remove prototype.

2004-09-07  Ziemowit Laski  <>

	* (c-parse.o): Depend on $(C_COMMON_H).
	* Include c-common.h instead of objc-act.h.
	(ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
	myparms, myparm): Remove %type declarations.
	(methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
	objc_typename, objc_try_catch_stmt, optellipsis): Add %type
	(objc_inherit_code, objc_public_flag): Remove.
	(typespec_nonreserved_nonattr): Call
	objc_get_protocol_qualified_type() instead of get_static_reference()
	and get_protocol_reference().
	(stmt_nocomp): Call grokparm() on @catch parameter.
	(objcdef): Move semantic action to objc_finish_implementation().
	(classdef): Move semantic action to objc_start_class_interface(),
	objc_continue_interface(), objc_finish_interface(),
	objc_start_class_implementation(), objc_continue_implementation(),
	objc_start_category_interface() and
	(protocoldef): Move semantic actions to objc_start_protocol() and
	(ivar_decl_list): Remove nonterminal.
	(visibility_spec): Move semantic actions to objc_set_visibility().
	(ivar_decls): Remove assignment to $$.
	(ivar_decl): Rephrase in terms of component_decl; call
	(ivars, ivar_declarator): Remove nonterminals.
	(opt_semi): New nonterminal.
	(methodtype): Remove semantic actions.
	(methoddef): Move semantic actions to objc_set_method_type(),
	objc_start_method_definition() and objc_finish_method_definition().
	(methodproto): Move semantic actions to objc_set_method_type() and
	(methoddecl): Use objc_typename instead of typename; move semantic
	actions to objc_build_method_signature().
	(optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
	(optparmlist): Express in terms of optparms and optellipsis.
	(optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
	(keyworddecl): Use objc_typename instead of typename.
	and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().

2004-09-08  Alan Modra  <>

	* doc/tm.texi (MD_UNWIND_SUPPORT): Document.
	* unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
	(uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
	(MD_FROB_UPDATE_CONTEXT): Remove default.
	(uw_update_context_1): Instead #ifdef invocation.
	* config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
	(uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
	* config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
	(MD_UNWIND_SUPPORT): Undefine this instead.
	* config/i386/gnu.h: Likewise.
	* config/alpha/linux-unwind.h: New file, macro converted to
	function, extracted from..
	* config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
	* config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
	* config/i386/linux-unwind.h, config/i386/linux.h,
	config/i386/linux64.h: Likewise.
	* config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
	* config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
	* config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
	* config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
	* config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
	* config/sparc/linux-unwind.h, config/sparc/linux.h,
	config/sparc/linux64.h: Likewise.
	* config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
	SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
	* config/rs6000/linux-unwind.h, config/rs6000/linux.h,
	config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
	function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.

2004-09-07  Jan Hubicka  <>

	* cse.c (fold_rtx): Avoid building of

	* tree-ssa-pre.c (grand_bitmap_obstack): New.
	(value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
	(init_pre): Initialize obstack.
	(fini_pre): Free obstack.

2004-09-07  David Daney  <>

	* config.gcc: Added support for --with-divide=[breaks|traps] for
	mips targets.
	* config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
	(TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
	(OPTION_DEFAULT_SPECS): Added --with-divide= support.
	* config/mips/mips.c (mips_idiv_insns): Generate proper count on
	(mips_output_division): Emit conditional trap if
	* doc/install.texi: Document --with-divide.
	* doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.

2004-09-07  Caroline Tice  <>

	* cfgrtl.c (rtl_verify_flow_info_1): Add new edge flag,
	EDGE_CROSSING, to flags test case.

2004-09-07  Jan Hubicka  <>

	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
	class too.

2004-09-07  Nathan Sidwell  <>

	* cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
	cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
	make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
	or gcc_unreachable.
	* cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
	remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
	alloc_aux_for_edges, free_aux_for_edges): Likewise.
	* cfgcleanup.c (try_forward_edges,
	merge_blocks_move_successor_nojumps): Likewise.
	* cfgexpand.c (expand_gimple_cond_expr,
	expand_gimple_tailcall): Likewise.
	* cfghooks.c (duplicate_block): Likewise.
	* cfglayout.c (record_effective_endpoints,
	insn_locators_initialize, change_scope, fixup_reorder_chain,
	verify_insn_chain, fixup_fallthru_exit_predecessor,
	duplicate_insn_chain, cfg_layout_finalize): Likewise.
	* cfgloopanal.c (check_irred): Likewise.
	* cfgloop.c (superloop_at_depth, flow_loops_free,
	flow_loop_entry_edges_find, flow_loops_find,
	flow_loop_outside_edge_p, get_loop_body,
	get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
	get_loop_exit_edges, num_loop_branches, cancel_loop,
	verify_loop_structure): Likewise.
	cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
	duplicate_loop_to_header_edge, create_preheader,
	create_loop_notes): Likewise.
	* cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
	edirect_branch_edge, force_nonfallthru_and_redirect,
	rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
	commit_edge_insertions, commit_edge_insertions_watch_calls,
	purge_dead_edges, cfg_layout_redirect_edge_and_branch,
	cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
	* cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
	cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
	cgraph_varpool_node): Likewise.
	* cgraphunit.c (cgraph_finalize_function,
	cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
	cgraph_expand_function, cgraph_remove_unreachable_nodes,
	cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
	cgraph_mark_inline, cgraph_expand_all_functions,
	cgraph_build_static_cdtor): Likewise.
	* combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
	simplify_logical, distribute_notes, insn_cuid): Likewise.
	* conflict.c (conflict_graph_add, print_conflict): Likewise.
	* coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
	coverage_checksum_string): Likewise.
	* cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
	hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
	cse_cc_succs, cse_condition_code_reg): Likewise.
	* cselib.c (entry_and_rtx_equal_p, remove_useless_values,
	rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
	new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
	cselib_record_set): Likewise.

2004-09-07  Jan Hubicka  <>

	* tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.

2004-09-07  Nathan Sidwell  <>

	* builtins.c (fold_builtin_strchr): Use build_int_cst, not
	(fold_builtin_strpbrk): Likewise.
	* expr.c (array_ref_low_bound): Likewise.
	* tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
	interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
	* tree-sra.c (generate_element_zero): Likewise.
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
	add_old_iv_candidates, add_iv_candidates): Likewise.
	* tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.

2004-09-07  Nathan Sidwell  <>

	* c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
	* c-common.c (c_type_hash, c_common_nodes_and_builtins,
	c_expand_expr, boolean_increment, nonnull_check_p,
	check_function_arguments_recurse, fold_offsetof_1): Likewise.
	* c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
	builtin_define_type_max): Likewise.
	* c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
	implicit_decl_warning, builtin_function, build_compound_literal,
	complete_array_type, grokdeclarator, get_parm_info,
	start_function, store_parm_decls_oldstyle,
	c_write_global_declarations): Likewise.
	* c-format.c (get_constant, decode_format_attr,
	maybe_read_dollar_number, get_flag_spec, check_format_arg,
	check_format_types, format_type_warning,
	find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
	init_dynamic_diag_info, handle_format_attribute): Likewise.
	* c-gimplify.c (push_context, pop_context, finish_bc_block):
	* c-lex.c (c_lex_with_flags, lex_string): Likewise.
	* c-objc-common.c (c_tree_printer): Likewise.
	* c-pch.c (pch_init): Likewise.
	* c-pragma.c (maybe_apply_pragma_weak): Likewise.
	* c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
	* c-typeck.c (c_incomplete_type_error, composite_type,
	common_pointer_type, common_type, same_translation_unit_p,
	tagged_types_tu_compatible_p, finish_init, pop_init_level,
	set_designator, set_nonincremental_init_from_string,
	process_init_element, c_finish_if_stmt): Likewise.
	* caller-save.c (init_caller_save, save_call_clobbered_regs,
	insert_restore, insert_save, insert_one_insn): Likewise.
	* calls.c (emit_call_1, compute_argument_block_size,
	precompute_arguments, expand_call, emit_library_call_value_1,
	store_one_arg): Likewise.

2004-09-07  Nathan Sidwell  <>

	* (enable-checking): Add release option. Reorganize
	to avoid repetition.
	* configure: Rebuilt.
	* doc/install.texi (enable-checking): Amend documentation.

2004-09-06  H.J. Lu  <>

	PR bootstrap/17313
	* (specs.ready): Depend on cc1$(exeext).

2004-09-06  James E Wilson  <>

	* config/mips/ (movsf_hardfloat, movdf_hardfloat_64bit,
	movdf_hardfloat_32bit): Split fG into two alternatives.
	(movv2sf_hardfloat_64bit): Split fYG into two alternatives.

	* emit-rtl.c (try_split): Check INSN_P before may_trap_p call.

2004-09-06  Eric Botcazou  <>

	* final.c (output_in_slot): Delete.
	(final_scan_insn): Revert 2004-09-03 change.
	(output_asm_insn): Likewise.
	* config/sparc/sparc.c (output_return): Likewise.
	(output_sibcall): Likewise.

2004-09-06  Jan Hubicka  <>

	* loop.c (loop_dump_aux): Do not print RTL when not available.
	* tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
	frontend specific type nodes.
	(produce_memory_decl_rtl): Break out from ...
	(prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
	(get_computation_at): Avoid random tree sharing.
	(tree_ssa_iv_optimize): Verify tree sharing; dump loops.

2004-09-06  Zack Weinberg  <>

	* (rtl.o, bitmap.o): Correct dependencies, remove
	unnecessary commands.

2004-09-06  Mohan Embar  <>

	* (rtl.o): Remove -DGENERATOR_FILE.
	(bitmap.o): Likewise.

2004-09-06  Paolo Bonzini  <>

	Unify the management of RTL and tree-level dump files.

	* cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
	Don't print function name to the dump file, the pass manager
	would do this for us. Add code from the top of
	rest_of_compilation, up to the initial RTL dump.
	* passes.c (rest_of_handle_jump): Call fixup_tail_calls and
	close the DFI_sibling dump file.
	(rest_of_compilation): Don't do that here.  Remove code up to the
	initial RTL dump.
	(init_optimization_passes): Remove.
	(pass_rest_of_compilation): Change pass name to NULL.
	* toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
	Do not call init_optimization_passes.
	* toplev.h (init_optimization_passes): Remove.

	* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Remove SUFFIX parameter.
	* graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Likewise.

	* tree-pass.h (struct tree_opt_pass): Add `letter' field.
	* cfgexpand.c (pass_expand): Adjust.
	* gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
	* passes.c (pass_rest_of_compilation): Adjust.
	* predict.c (pass_profile): Adjust.
	* tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
	* tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
	pass_split_crit_edges, pass_warn_function_return): Adjust.
	* tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
	* tree-dfa.c (pass_referenced_vars): Adjust.
	* tree-eh.c (pass_lower_eh): Adjust.
	* tree-if-conv.c (pass_build_ssa): Adjust.
	* tree-into-ssa.c (pass_build_ssa): Adjust.
	* tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
	* tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
	* tree-nrv.c (pass_nrv): Adjust.
	* tree-optimize.c (pass_gimple, pass_all_optimizations,
	pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
	pass_init_datastructures): Adjust.
	* tree-outof-ssa.c (pass_del_ssa): Adjust.
	* tree-profile.c (pass_tree_profile): Adjust.
	* tree-sra.c (pass_sra): Adjust.
	* tree-ssa-alias.c (pass_may_alias): Adjust.
	* tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
	* tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
	* tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
	* tree-ssa-dom.c (pass_dominator): Adjust.
	* tree-ssa-dse.c (pass_dse): Adjust.
	* tree-ssa-forwprop.c (pass_forwprop): Adjust.
	* tree-ssa-if-conv.c (pass_if_conversion): Adjust.
	* tree-ssa-loop-ch.c (pass_ch): Adjust.
	* tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
	pass_loop_done, pass_complete_unroll, pass_iv_canon,
	pass_iv_optimize, pass_vectorize): Adjust.
	* tree-ssa-phiopt.c (pass_phiopt): Adjust.
	* tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
	* tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
	pass_late_warn_uninnitialized): Adjust.
	* tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.

	* (tree-dump.o): Add new dependencies.
	* cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
	* cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
	* toplev.c (dump_file_name): New.
	* tree-dump.c (dump_enable_all): Add LETTER parameter.
	(struct dump_file_info): Add NUM and LETTER fields.
	(dump_files): Adjust and add RTL dump files.
	(dump_register): Add NUM and LETTER fields.
	(get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
	(dump_begin): Use get_dump_file_name.
	(dump_switch_p_1): Adjust call to dump_enable_all.
	* tree-dump.h (dump_register): Adjust prototype.
	* tree-optimize.c (register_one_dump_file): Take dump file index.
	Support flags for RTL dumps.
	(register_dump_files): Fill in NUM field of struct dump_file_info.
	Track properties both when the gate is executed and when it is not.
	(execute_todo): Dump RTL.  Add PROPERTIES parameter.
	(execute_one_pass): Pass properties to execute_todo.  Handle VCG
	dumps of RTL.
	* tree-pass.h (dump_file_name): New.
	* tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):

	* (passes.o): Add new dependencies.
	* passes.c (struct dump_file_info, enum dump_file_index,
	dump_file_tbl, init_optimization_passes): Remove.
	(open_dump_file, close_dump_file): Use tree-dumping infrastructure.
	(rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
	(finish_optimization_passes): Update finish_graph_dump_file loop.
	(enable_rtl_dump_file): Remove.
	* tree-dump.c (dump_files): Adjust and add RTL dump files.
	(enable_rtl_dump_file): Add here.
	* tree.h (enum tree_dump_index): Add RTL dump file indices.
	* doc/invoke.texi (Debugging options): Document new RTL debugging
	options.  Update.

2004-09-05  Kazu Hirata  <>

	* c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
	gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
	stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
	tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
	tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
	tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
	tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
	vec.h: Fix comment formatting.

2004-09-05  Kazu Hirata  <>

	* c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
	et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
	hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
	tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
	tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
	tree-ssa-loop-niter.c, tree-ssa-operands.c,
	tree-ssa-operands.h, tree-ssa-propagate.c,
	tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
	vec.c, vec.h: Fix comment typos.  Follow spelling conventions.

2004-09-05  Diego Novillo  <>

	* tree-if-conv.c (gate_tree_if_conversion): Enable only if the
	vectorizer is enabled.

2004-09-05  Andreas Jaeger  <>

	* tree-if-conv.c: Spell check comments and clean up whitespace.

2004-09-05  Zdenek Dvorak  <>

	* tree-ssa-loop-ivopts.c: New file.
	* (tree-ssa-loop-ivopts.c): Add.
	* cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
	target_pres_cost, target_spill_cost): Declare.
	* cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
	spill_cost): Renamed to ...
	(target_avail_regs, target_res_regs, target_small_cost,
	target_pres_cost, target_spill_cost): ... and exported.
	(init_set_costs, global_cost_for_size): Work with renamed variables.
	* common.opt (flag_ivopts): New flag.
	* expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
	* gimplify.c (struct gimplify_ctx): Add into_ssa field.
	(internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
	generating SSA form.
	(force_gimple_operand): New function.
	* timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
	* tree-cfg.c (stmt_bsi): New function.
	* tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
	bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
	ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
	* tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
	* tree-nested.c (build_addr): Export.
	* tree-optimize.c (init_tree_optimization_passes): Add
	* tree-pass.h (pass_iv_optimize): Declare.
	* tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
	* tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
	as a phi node argument.
	(split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
	ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
	* tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
	* tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
	pass_iv_optimize): New pass.
	* tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
	* tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
	* tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
	* tree.h (REF_ORIGINAL): New macro.
	(build_int_cst_type, unsigned_type_for, zero_p,
	cst_and_fits_in_hwi, build_addr): Declare.
	* doc/invoke.texi (-fivopts): Document.
	* doc/passes.texi: Document induction variable optimizations pass.

2004-09-04  Kaveh R. Ghazi  <>

	* builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
	* c-common.c (c_common_attribute_table): Accept parameters to
	sentinel attribute.
	(check_function_sentinel, handle_sentinel_attribute): Likewise.
	* doc/extend.texi: Update accordingly.

2004-09-04  Kaveh R. Ghazi  <>

	* builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
	* c-common.c (handle_sentinel_attribute, check_function_sentinel):
	New functions.
	(c_common_attribute_table): Add `sentinel' attribute.
	(check_function_arguments): Handle `sentinel' attribute.
	* doc/extend.texi: Document `sentinel' attribute.

2004-09-04  H.J. Lu  <>

	* configure: Regenerated.

2004-09-04  Richard Kenner  <>

	* gimplify.c (internal_get_tmp_var): Remove unused var CLASS.

	* tree.c (save_expr): No longer TREE_READONLY.

2004-09-04  Jan Hubicka  <>

	* passes.c (rest_of_clean_state): Fix merge conflict made during
	commiting the patch.

2004-09-04  Jan Hubicka  <>

	* passes.c (rest_of_clean_state): Decompose the instruction stream.

2004-09-04  Richard Sandiford  <>

	* doc/md.texi (shift patterns): New anchor.  Add reference to
	* doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
	* target.h (shift_truncation_mask): New target hook.
	* targhook.h (default_shift_truncation_mask): Declare.
	* targhook.c (default_shift_truncation_mask): Define.
	* target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
	* simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
	and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
	reject all out-of-range values.  Fix sign-extension code for modes
	whose width is smaller than HOST_BITS_PER_WIDE_INT.
	* optabs.c (simplify_expand_binop, force_expand_binop): New functions.
	(expand_superword_shift, expand_subword_shift): Likewise.
	(expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
	(expand_binop): Use them to implement double-word shifts.
	* config/arm/arm.c (arm_shift_truncation_mask): New function.

2004-09-04  Jan Hubicka  <>

	* tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
	(mix): New macro copied from hashtab.c
	(iterative_hash_hashval_t, iterative_hash_pointer,
	iterative_hash_host_wide_int): New functions based on hashtab.c

2004-09-04  Richard Sandiford  <>

	* config/mips/ (mask): New mode attribute.
	(zero_extendsidi2): Add memory alternative.
	(*zero_extendsidi2_mem): Delete.
	(zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
	memory_operand in the TARGET_MIPS16 check.
	(*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
	Redefine using :GPR and :SHORT.
	(zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.

2004-09-04  Uros Bizjak  <>

	* builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
	using rint_optab.
	(expand_builtin): Expand BUILT_IN_RINT{,F,L} using
	* genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
	btrunc?f patterns for btrunc_optab. Implement rint_optab using
	rint?f patterns.
	* optabs.c (init_optabs): Initialize rint_optab.
	* optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
	Add new OTI_rint.
	(btrunc_optab): Rename macro from trunc_optab.
	(rint_optab): Define corresponding macro.

	* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,

	* config/i386/i386-protos.h (emit_i387_cw_initialization):
	Change prototype. Add new int parameter.
	* config/i386/i386.c (emit_i387_cw_initialization):
	Handle new rounding modes.

	* config/i386/i386.h (enum fp_cw_mode): Delete.
	(MODE_NEEDED): Handle new rounding modes.
	(EMIT_MODE_SET): Change condition to handle new rounding modes.

	represent different rounding modes of frndint insn.
	(type): Add frndint type.
	(i387, length, memory): Handle this type.
	(i387_cw): New attribute definition.
	(*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
	*fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
	*fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
	Add "i387_cw" attribute defined to "trunc".
	(x86_fnstcw_1): Remove comment.
	(*frndintxf2): Rename insn definition to frndintxf2. Move
	insn definition near rint?f2 expanders.
	(rintdf2, rintsf2, rintxf2): New expanders to implement rint,
	rintf and rintl built-ins as inline x87 intrinsics.
	(frndintxf2_floor): New pattern to implement floor rounding
	mode with frndint x87 instruction.
	(floordf2, floorsf2, floorxf2): New expanders to implement floor,
	floorf and floorl built-ins as inline x87 intrinsics.
	(frndintxf2_ceil): New pattern to implement ceil rounding
	mode with frndint x87 instruction.
	(ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
	ceilf and ceill built-ins as inline x87 intrinsics.
	(frndintxf2_trunc): New pattern to implement trunc rounding
	mode with frndint x87 instruction.
	(btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
	truncf and truncl built-ins as inline x87 intrinsics.
	(frndintxf2_mask_pm): New pattern to implement rounding
	mode with exceptions with frndint x87 instruction.
	(nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
	implement nearbyint, nearbyintf and nearbyintl built-ins as
	inline x87 intrinsics.

2004-09-04  Richard Sandiford  <>

	* config/mips/ (SHORT): New mode macro.
	(size): New mode attribute.
	(extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
	(*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
	*extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
	(*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
	*extend[qh]isi2_hw patterns and extending them to di.
	(extendqihi2): Implement as define_insn_and_split that produces
	extendqisi2 after reload.

2004-09-03  Devang Patel  <>

	* (OBJS-common): Add tree-if-conv.o
	(tree-if-conv.o): New rule.
	* cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
	(get_loop_body_in_bfs_order): New.
	* cfgloop.h (get_loop_body_in_bfs_order): New.
	* tree-flow.h (enum move_pos): Move here from ..
	* tree-ssa-loop-im.c (enum move_pos): here.
	(movement_possibility): Make externally visible.
	* tree-optimize.c (init_tree_optimization_passes): New entry for
	if conversion pass.
	* tree-pass.h (pass_if_conversion): New.
	* tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
	* tree-if-conv.c: New file.
	* doc/passes.texi: Document tree if-conversion pass.
	* doc/tree-ssa.texi: Same.

2004-09-03  H.J. Lu  <>

	PR target/14925: (LIB2ADDEHSTATIC): New.
	(clean): Remove libunwind*
	(stage1-start): Remove and copy stage1/libunwind*.
	(stage2-start): Remove and copy stage2/libunwind*.
	(stage3-start): Remove and copy stage3/libunwind*.
	(stage4-start): Remove and copy stage4/libunwind*.
	(stageprofile-start): Remove and copy stageprofile/libunwind*.
	(stagefeedback-start): Remove and copy stagefeedback/libunwind*.

	* config.gcc (ia64*-*-linux*): Always add t-libunwind to
	tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
	tmake_file if --with-system-libunwind isn't used.

	* config/ia64/t-glibc-libunwind: New file.
	* config/t-libunwind-elf: Likewise.
	* unwind-compat.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.

	* config/ia64/t-glibc (LIB2ADDEH): Updated.
	* config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.

	* config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
	aliases if needed.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2.c: Likewise.

	* config/t-libunwind (LIB2ADDEH): Updated.

	* Change --enable-libunwind-exceptions to
	--with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
	* configure: Regenerated.
	* Updated.

	* doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
	above and mention --with-system-libunwind.
	(ia64-*-hpux*): Mention --enable-libunwind-exceptions is
	removed in gcc 3.4.3 and later.

	* gcc.c (init_spec): Add -lunwind to -lgcc_s if

	* Support libunwind.

2004-09-03  H.J. Lu  <>

	* config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and

2004-09-03  Richard Henderson  <>

	PR middle-end/9997
	* cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
	(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
	stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
	frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
	resize_stack_vars_conflict, add_stack_var_conflict,
	stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
	union_stack_vars, partition_stack_vars, dump_stack_var_partition,
	expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
	expand_one_static_var, expand_one_hard_reg_var,
	expand_one_register_var, expand_one_error_var, defer_stack_allocation,
	expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
	(expand_used_vars): Rewrite.
	* (cfgexpand.o): Update dependencies.

2004-09-04  Jan Hubicka  <>

	* cfg.c (free_edge): Use ggc_free.
	(expunge_block): Use ggc_free.
	* passes.c (rest_of_clean_state): Free after compilation.
	* tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
	* tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.

2004-09-03  James E Wilson  <>

	* tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after

2004-09-03  Eric Botcazou  <>

	* final.c (output_in_slot): New global variable.
	(final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
	Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
	'output_in_slot' before invoking output_asm_insn.
	(output_asm_insn): Add a space after the tab if 'output_in_slot'
	is set.
	* config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
	(output_sibcall): Likewise.

2004-09-03  Jan Hubicka  <>

	* tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
	* tree-ssanames (init_ssanames): Likewise.

2004-09-03  Ziemowit Laski  <>

	* stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
	objc_declare_protocols, objc_start_protocol,
	objc_start_class_interface, objc_start_category_interface,
	objc_continue_interface, objc_finish_interface,
	objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
	objc_start_class_implementation, objc_start_category_implementation,
	objc_continue_implementation, objc_finish_implementation,
	objc_add_method_declaration, objc_start_method_definition,
	objc_finish_method_definition, objc_build_keyword_decl,
	objc_build_method_signature, objc_build_encode_expr,
	objc_build_protocol_expr, objc_build_selector_expr,
	objc_build_message_expr, objc_build_string_object,
	objc_get_class_reference, objc_get_protocol_qualified_type,
	objc_static_init_needed_p, objc_generate_static_init_call): New stubs.

2004-09-03  James E Wilson  <>

	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.

	* config/mips/ (generic_frecip_fsqrt_step): New.
	* config/mips/ (mips_rsqrt1_<fmt>): Use frsqrt1 type.
	(mips_rsqrt2_<fmt>): Use frsqrt2 type.
	(mips_recip1_<fmt>): Use frdiv1 type.
	(mips_recip2_<fmt>): Use frdiv2 type.
	* config/mips/ (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
	* config/mips/ (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
	and frsqrt1.
	(ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.

2004-09-03  Daniel Jacobowitz  <>

	* reload.c (find_reloads): Swap operand_loc pointers for
	find_dummy_reload if we have swapped two operands.

2004-09-03  Hans-Peter Nilsson  <>

	* config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
	to get the tablejump-insn before the jump-table label.

2004-09-03  Ziemowit Laski  <>

	* c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
	objc_declare_protocols, objc_build_message_expr,
	objc_finish_message_expr, objc_build_selector_expr,
	objc_build_protocol_expr, objc_build_encode_expr,
	objc_build_string_object, objc_get_protocol_qualified_type,
	objc_get_class_reference, objc_get_class_ivars,
	objc_start_class_interface, objc_start_category_interface,
	objc_start_protocol, objc_continue_interface, objc_finish_interface,
	objc_start_class_implementation, objc_start_category_implementation,
	objc_continue_implementation, objc_finish_implementation,
	objc_set_visibility, objc_set_method_type, objc_build_method_signature,
	objc_add_method_declaration, objc_start_method_definition,
	objc_finish_method_definition, objc_add_instance_variable,
	objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
	objc_finish_try_stmt, objc_begin_catch_clause,
	objc_finish_catch_clause, objc_build_finally_clause,
	objc_build_synchronized, objc_static_init_needed_p,
	objc_generate_static_init_call): New prototypes.

2004-09-03  Steve Ellcey  <>

	* config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
	is only one reg.
	(ia64_function_value): Ditto.

2004-09-03  Jan Beulich  <>

	* config.gcc: Resurrect NetWare as a target. Handle special case of
	Novell linker to be used (specified through --with-ld=) and threading
	model of either Posix (default) or NKS.
	* config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
	of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
	* config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
	* config/i386/netware.c, config/i386/netware.h: New.
	* config/i386/nwld.c, config/i386/nwld.h: New.
	* config/i386/netware-crt0.c: New.
	* config/i386/netware-libgcc.c: New.
	* config/i386/netware-libgcc.def: New.
	* config/i386/netware-libgcc.exp: New.
	* config/i386/t-netware, config/i386/t-nwld: New.
	* gthr-nks.h: New.
	* doc/install.texi: Document NKS threading model.

2004-09-03  Jan Beulich  <>

	PR c/7054
	* defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
	* tree.h (initial_max_fld_align): Declare
	* stor-layout.c (initial_max_fld_align): Define and initialize.
	(maximum_field_alignment): Initialize to the same value.
	* common.opt: Add -fpack-struct= variant of switch.
	* opts.c: Handle -fpack-struct= variant of switch.
	* c-pragma.c: Change #pragma pack() handling so that it becomes
	compatible to other compilers: accept individual 'push' argument,
	make final pop restore (command line) default, correct interaction
	of push/pop and sole specification of a new alignment (so that the
	sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
	to #pragma pack(push, <n>).
	* doc/extend.texi: New node "Structure-Packing Pragmas" under
	"Pragmas", describing #pragma pack.
	* doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
	* doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.

2004-09-03  Devang Patel  <>

	* dwarf2out.c (gen_field_die). Equate decl number to die.

2004-09-03  Vladimir Makarov  <>

	PR target/15832
	* global.c (modify_reg_pav): New function.
	(make_accurate_live_analysis): Call the new function.  Move pavin
	modification by earlyclobber set into the new function.

2004-09-03  Andreas Schwab  <>

	* config/m68k/m68k.c (output_andsi3): Use -1 instead of
	(HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign

2004-09-02  Jan Beulich  <>

	* (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
	* (libgcc_dep): New, covering general dependencies, but
	not unwind code specific ones.
	(libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
	Remove unwind code specific dependencies.
	(libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
	Remove gbl-ctors.h.
	Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
	LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
	* tsystem.h: Declare memcpy and memset when inhibit_libc.

2004-09-02  Roman Zippel  <>

	* combine.c (try_combine): Delay modifying of insns which cannot
	be easily undone.

2004-09-02  Daniel Berlin  <>

	* common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
	* tree-ssa-loop.c: Ditto
	* tree-ssa-loop-ivcanon.c: Ditto
	* doc/invoke.texi: Ditto.

2004-09-02  Ziemowit Laski  <>

	* c-decl.c (store_parm_decls_newstyle): Make static.
	(store_parm_decls_from): New function.
	* c-tree.h (store_parm_decls_newstyle): Remove prototype.
	(store_parm_decls_from): New prototype.

2004-09-02  David Edelsohn  <>

	* config/rs6000/rs6000.c (expand_block_move): Use SImode and

2004-09-02  Mark Mitchell  <>

	* config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
	* config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include

2004-09-02  Roman Zippel  <>

	* combine.c (distribute_notes): Don't add REG_LABEL to jump insn.

2004-09-02  Eric Christopher  <>

	* builtins.c (expand_builtin_cabs): Delete.
	(expand_builtin): If unable to fold the values do a normal
	library call for builtin_cab*.
	(fold_builtin_cabs): Depend on optimize and optimize_size.
	* optabs.c (expand_cmplxdiv_straight): Delete.
	(expand_cmplxdiv_wide): Ditto.
	(expand_vector_binop): Ditto.
	(expand_vector_unop): Ditto.
	(expand_complex_abs): Delete.
	(expand_binop): Remove calls to above functions.
	Remove open coding of complex arithmetic.
	(expand_unop): Ditto.
	* optabs.h: Remove prototypes.

2004-09-02  Ziemowit Laski  <>

	* c-decl.c (store_parm_decls_newstyle): Make externally visible.
	* c-tree.h (store_parm_decls_newstyle): New prototype.

2004-09-02  Geoffrey Keating  <>

	* config/rs6000/rs6000.c (expand_block_clear): Use vector
	instructions if available.
	(expand_block_move): Likewise.

2004-09-03  Jan Hubicka  <>


2004-09-02  Mark Mitchell  <>

	* config/arm/symbian.h (LIB_SPEC): Define to empty.
	* config/arm/t-symbian (SHLIB_LC): Likewise.

2004-09-02  Paul Brook  <>

	* config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.

2004-09-02  Richard Sandiford  <>

	* config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
	(mips_restore_gp, mips_set_return_address, mips_expand_prologue)
	(mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
	(build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
	(mips_issue_rate): Remove unreachable abort.
	(mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
	(mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
	(mips_block_move_straight, print_operand_address, mips_file_start)
	(mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
	(mips_output_conditional_branch, mips_expand_builtin_direct)
	(mips_expand_builtin_compare): Replace abort with gcc_unreachable.
	* config/mips/ (rotr<mode>3, consttable_float): Replace abort
	with gcc_assert.

2004-09-02  Richard Sandiford  <>

	* config/mips/ (*lea_high64): Change split condition to
	flow2_completed.  Add a peephole2 to generate a more parallel version.

2004-09-02  Jan Hubicka  <>

	* gimplify.c (gimplify_compound_lval): Move "stack" varray out of

	* ggc-page.c: include tree-flow.h.
	(extra_order_size_table): Add stmt_ann_d.
	(STAT_LABEL): Rename from ....
	(LABEL): ... this one.
	* (ggc-page.o): Add dependency.

	* ggc-common.c (ggc_force_collect): New global variable.
	(loc_description): Add fields "freed", "collected"
	(ptr_hash): New static hash
	(ptr_hash_entry): New structure.
	(hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
	(ggc_record_overhead): Take ptr argument, record it
	(ggc_prune_overhead_list, ggc_free_overhead): New functions.
	(cmp_statistics): Imrove sorting.
	(dump_ggc_loc_statistics): Output newly collected statistics
	* ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
	(ggc_free): Call ggc_free_overhead.
	(ggc_collect): Force collection when asked to be forced.
	(ggc_collect): Call ggc_prune_overhead_list.
	* ggc.h (ggc_force_collect): Declare
	(ggc_record_overhead): Update prototype.
	(ggc_free_overhead, ggc_prune_overhead_list): Declare.

2004-09-02  James E Wilson  <>

	* common.opt (ftrapping-math): Default to on.

2004-09-02  Richard Earnshaw  <>

	* arm/ (arm_reload_memory_operand): Allow MEM.

2004-09-02  Denis Chertykov  <>

	PR target/16884
	* config/avr/ ("movmemhi"): Substitute match_dup to
	(*movmemqi_insn): Likewise.
	(*movmemhi): Likewise.
	(clrmemhi): Likewise.
	(*clrmemqi): Likewise.
	(*clrmemhi): Likewise.

2004-09-02  Paul Brook  <>

	* config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set

2004-09-02  Alan Modra  <>

	* config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
	(struct kernel_old_ucontext): Delete.
	(struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
	(MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
	when IN_LIGGCC2.

2004-09-02  Richard Sandiford  <>

	* toplev.c (process_options): Fix typo.

2004-09-01  Richard Henderson  <>

	PR middle-end/17258
	* calls.c (initialize_argument_information): Tighten pass-through
	conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
	Use build_fold_addr_expr.
	(emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
	that assumes ADDR_EXPR allocates stack space.
	* fold-const.c (build_fold_addr_expr_with_type): Look through

2004-09-01  Dan Nicolaescu  <>

	* gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
	* ggc.h (ggc_alloc_rtx): Delete.

2004-09-01  Roger Sayle  <>

	* expmed.c (enum alg_code): Remove long unused enumeration values.
	(struct mult_cost): New structure to hold the "score" of a synthetic
	multiply sequence, including both a rtx_cost and a latency field.
	(MULT_COST_LESS): New macro to compare mult_cost to a constant.
	(CHEAPER_MULT_COST): New macro to compare two mult_costs.
	(struct algorithm): Change type of cost field to be mult_cost.
	(synth_mult): Change type of cost_limit argument to be a
	pointer to a mult_cost.  Update all cost comparisons to use the
	new mult_cost infrastructure.  For alg_add_factor and
	alg_sub_factor operations, latency is lower than the rtx_cost.
	(choose_mult_variant): Update calls to synth_mult.  Perform
	cost comparisons using the new mult_cost infrastructure.
	(expand_mult_highpart): Use alg.cost.cost instead of alg.cost
	to optain the total rtx_cost of a synth_mult "algorithm".

2004-09-01  David Edelsohn  <>

	* config/rs6000/ Increase store latency to 12.
	* config/rs6000/ Same.

2004-09-01  James E Wilson  <>

	PR target/14064
	* config/avr/avr.c (avr_unique_section): Delete prototype and

2004-09-01  Ziemowit Laski  <>

	* (primary): Call objc_build_message_expr(),
	objc_build_selector_expr(), objc_build_protocol_expr(),
	objc_build_encode_expr() and objc_build_string_object() instead of
	build_message_expr(), build_selector_expr(), build_protocol_expr(),
	build_encode_expr() and build_objc_string_object(), respectively.
	(component_decl_list2): Call objc_get_class_ivars() instead of
	(keyworddecl): Call objc_build_keyword_decl() instead of
	(receiver): Call objc_get_class_reference() instead of
	(reswords): Add blank line before @@ifobjc section, for clarity.

2002-09-01  Fariborz Jahanian <>

	* config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
	to Altivec vetors.

2004-09-01  Wu Yongwei  <>
	    Danny Smith  <>

	* gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
	not Windows 'DWORD'.
	(__gthr_win32_recursive_mutex_init_function): Add prototype for
	(__gthr_win32_recursive_mutex_lock): Likewise.
	(__gthr_win32_recursive_mutex_trylock): Likewise.
	(__gthr_win32_recursive_mutex_unlock): Likewise.
	(__gthread_recursive_mutex_init_function); Add definition for
	(__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
	* config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
	call to InterlockedDecrement.

2004-09-01  Richard Kenner  <>

	* tree-tailcall.c (find_tail_calls): Also fail is statement has
	volatile operands.

	* tree-ssa.c (propagate_into_addr): Properly test for LHR.

	* doc/c-tree.texi: Document new operands for ARRAY_REF and

2004-09-01  Zdenek Dvorak  <>

	* (rtl-profile.o, value-prof.o): Add GCC_H dependency.
	* common.opt (fspeculative-prefetching): New.
	* flags.h (flag_speculative_prefetching_set): Declare.
	* gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
	* opts.c (flag_sepculative_prefetching_set): New variable.
	(common_handle_option): Handle -fspeculative-prefetching.
	* passes.c (rest_of_compilation): Ditto.
	* profile.c (instrument_values, compute_value_histograms, branch_prob):
	Use vectors instead of arrays.
	* toplev.c (process_options): Handle -fspeculative-prefetching.
	* rtl-profile.c: Include ggc.h.
	(rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
	rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
	argument changed.
	* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
	tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
	argument changed.
	* value-prof.c: Include ggc.h.
	(insn_prefetch_values_to_profile, find_mem_reference_1,
	find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
	speculative_prefetching_transform): New.
	(value_profile_transformations): Call speculative_prefetching_transform.
	(insn_values_to_profile): Call insn_prefetch_values_to_profile.
	(insn_divmod_values_to_profile, rtl_find_values_to_profile,
	tree_find_values_to_profile, find_values to profile): Use vectors
	instead of arrays.
	(free_profiled_values): Removed.
	* value-prof.h (struct histogram_value): Renamed to
	struct histogram_value_t.
	(histogram_value, histogram_values): New types.
	(find_values_to_profile): Declaration changed.
	(free_profiled_values): Removed.
	(struct profile_hooks): Type of argument of the hooks changed to
	* doc/invoke.texi (-fspeculative-prefetching): Document.

2004-09-01  Zdenek Dvorak  <>

	PR rtl-optimization/16408
	* gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.

2004-09-01  Richard Henderson  <>

	* config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
	(TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.

2004-09-01  Jakub Jelinek  <>

	* libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.

2004-09-01  Mike Stump  <>

	* config/darwin.c (machopic_symbol_defined_p): In addition to
	being SYMBOL_REF_LOCAL_P, a symbol must also be
	! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
	defined in this output file, or translation unit in the case
	of IMA not being used.
	(machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
	never need .indirect_symbol when indirecting.

2004-09-01  Jakub Jelinek  <>

	* (bb-reorder.o): Add several dependencies.

2004-09-01  Jakub Jelinek  <>

	* fold-const.c (operand_equal_p): Require equal sign also for

2004-09-01  Richard Earnshaw  <>

	* config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
	for use in configargs.h.  Put the cname in a separate variable.  Use
	that to set target_cpu_default2.

2004-09-01  J"orn Rennecke <>
	    Nick Clifton  <>

	* config/sh/ ("length"): Increase branch length when
	SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
	constant, 2 byte for aligning the constant.

2004-09-01  Richard Earnshaw  <>

	* arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
	(arm7tdmi-s): New CPU name.
	* arm/arm.c (ARM_CORE): Update for new format.
	* arm/arm.h (ARM_CORE): Likewise.
	* arm/ Update for extra field.
	* config.gcc: Likewise.
	* arm/ Regenerate.
	* doc/invoke.texi: Document the real processor names for ARM cpus.

2004-09-01  Richard Earnshaw  <>

	* arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
	(floatdidf): New functions.
	* arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
	(floatdisf): New functions.
	* t-arm-elf: Use them.

2004-09-01  Ziemowit Laski  <>

	* c-common.h (lookup_interface): Remove prototype.
	(is_class_name): Rename to objc_is_class_name.
	(lookup_objc_ivar): Rename to objc_lookup_ivar.
	(get_current_scope): Rename to objc_get_current_scope.
	* c-decl.c (get_current_scope): Rename to objc_get_current_scope.
	* (parmlist_or_identifiers_1): Get rid of unused variable.
	(yylexname): Call objc_is_class_name() instead of is_class_name().
	* c-typeck.c (build_external_ref): Call objc_lookup_ivar()
	instead of lookup_objc_ivar().
	* stub-objc.c (lookup_interface): Remove stub.
	(is_class_name): Rename to objc_is_class_name.
	(lookup_objc_ivar): Rename to objc_lookup_ivar.

2004-08-31  Mark Mitchell  <>

	* config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
	* config/arm/lib1funcs.asm: Do not include supplemental .S files
	when compiling for Symbian.
	* config/arm/symbian.h (RENAME_LIBRARY): New macro.
	* config/arm/t-symbian (LIB1ASMFUNCS): Define.

2004-08-31  Stan Shebs  <>

	* toplev.c (process_options): Ensure debug_hooks is initialized.

2004-08-31  Mark Mitchell  <>

	* target.h (cxx): Add export_class_data.
	* config/arm/arm.c (arm_cxx_export_class_data): New function.
	* doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.

2004-08-31  Kaz Kojima  <>

	* config/sh/sh.c (output_branch): Check the insn length possibly
	in the delayed slot.

2004-08-31  Richard Kenner  <>

	* tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
	blank after ')'.
	(op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.

	* c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
	(c_sizeof_of_alignof_type): Likewise.
	* expr.c (array_ref_element_size): Likewise.
	(highest_pow2_factor_for_target): Likewise.
	* gimplify.c (canonicalize_addr_expr): Likewise.
	(gimplify_compound_lval): Likewise.
	* stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
	* varasm.c (assemble_variable): Likewise.
	(output_constant_def_contents): Alignments are unsigned.

2004-08-31  Richard Kenner  <>
	    Jeff Law  <>

	* tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
	gets modified.

2004-08-31  Mark Mitchell  <>

	* hooks.c (hook_bool_void_true): New function.
	* hooks.h (hook_bool_void_true): Declare.
	* target-def.h (TARGET_CXX): Add
	* target.h (struct cxx): Add key_method_may_be_inline.
	* config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
	* config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of

2004-08-31  Denis Chertykov  <>

	PR target/15417
	* config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
	frame pointer register only in Pmode while reload in progress.

2004-08-31  Stephane Carrez  <>

	PR target/15334
	* config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
	because it breaks the 32-bit shift patterns that rely on a match_dup.

2004-08-31  Matt Austern  <>

	* config/darwin.c (darwin_make_decl_one_only): Allocate section
	names once per compilation, instead of once per symbol.

2004-08-31  Paolo Bonzini  <>

	* (build_subdir): New substitution.
	( Simplify heavily since fixincludes is already built.
	(stmp-fixinc): Depend on specs.ready.
	(install-mkheaders): Use new location of fixincludes.
	(clean): Do not descend into fixinc.
	(FORBUILD): Replace with ../$(build_subdir).
	* (build_subdir): Substitute.
	(FORBUILD): Do not set.
	(all_outputs): Remove fixinc/Makefile.
	(default commands): Do not create links in fixinc.
	* New, from fixinc/ without
	the fixincludes configuration steps and substituting
	* New, from fixinc/

	* fixinc/*: Removed.

2004-08-31  Joseph S. Myers  <>

	* attribs.c (strip_attrs): Remove.
	(split_specs_attrs): Move ...
	* c-decl.c: ... to here.
	* tree.h (split_specs_attrs, strip_attrs): Remove.
	* c-tree.h (split_specs_attrs): Declare.

2004-08-31  Richard Sandiford  <>

	* read-rtl.c: Disable RTL checking.
	(apply_macro_to_rtx): Use XTMPL to access 'T' fields.

2004-08-31  Richard Sandiford  <>

	* config/mips/ (fcond): New code macro and attribute.
	(sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
	(seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
	(sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.

2004-08-30  Mark Mitchell  <>

	2004-08-29  Mark Mitchell  <>
	PR rtl-optimization/16590
	* gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-30  Andrew Pinski  <>

	* hard-reg-set.h:
	* ChangeLog: Fix previous ChangeLog entry.

	PR rtl-opt/13987
	* (use_long_long_for_widest_fast_int): New, default is
	(ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
	* If use_long_long_for_widest_fast_int, then
	* configure: Regenerate.
	* Regenerate.
	New: widest integer type supported efficiently in hardware for the
	* sbitmap.h (SBITMAP_ELT_BITS): Define based on
	* hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
	instead of HOST_WIDE_INT.
	(HARD_REG_SET_LONGS): Likewise.
	Change the checks for the fast cases to be based on

2004-08-30  Steven Bosscher  <>

	* cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
	not the pointers.

2004-08-30  Geoffrey Keating  <>

	PR 12738
	PR 17205
	Radar 3460526
	Radar 3775729
	* c-decl.c (grokdeclarator): Produce error for 'static' on local
	function declaration.

2004-08-30  Richard Henderson  <>

	* expr.c (array_ref_element_size): Force aligned_size back to
	(component_ref_field_offset): Similarly for aligned_offset.
	* tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
	low-bound, element-size, field-offset fields rather than
	computed values.

2004-08-30  Joseph S. Myers  <>

	* (parmlist_or_identifiers_1): Remove unreachable and
	redundant code.

2004-08-30  Joseph S. Myers  <>

	* c-tree.h (struct language_function): Add arg_info element.
	* c-decl.c (current_function_arg_info): New.
	(grokdeclarator, store_parm_decls): Use it instead of
	(c_push_function_context, c_pop_function_context): Save and
	restore it.

2004-08-30  Richard Henderson  <>

	* c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
	COMPONENT_REF to pointer arithmetic.
	* varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
	constant "c" as a valid constant initializer.  Allow narrowing of
	differences against the same base object, for any base object.

2004-08-30  Richard Henderson  <>

	* expr.c (expand_expr_addr_expr): New.
	(expand_expr_real_1) <case ADDR_EXPR>: Use it.

2004-08-30  Richard Sandiford  <>

	* config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
	(mips_fp_condition): New enum.
	(mips_fp_conditions): New array.
	(print_fcc_operand): Delete.
	(print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
	the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
	(builtin_description): Add "cond" field.
	(DIRECT_BUILTIN): Initialize it.
	into INSN and CODE.  Initialize the "cond" field.
	(CMP_BUILTINS): Update accordingly.
	(mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
	(mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
	mips_fp_condition as argument.  Make it the final operand of the
	comparison instruction.
	(mips_expand_builtin): Update accordingly.
	* config/mips/ (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
	(UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
	the gaps.
	* config/mips/ (mips_cond_move_tf_ps, bc1any[24][ft]):
	Don't use the 'Q' operand prefix; just print the operand normally.
	(mips_cabs_*, mips_c_*): Delete, replacing with...
	(mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
	patterns.  Split the 4s versions into 2 ps patterns after reload.

2004-08-30  Richard Henderson  <>

	* fold-const.c (tree_expr_nonzero_p): Use get_base_address before
	assuming an ADDR_EXPR is non-null.

2004-08-30  Jason Merrill  <>

	* gthr-posix.h, gthr-dce.h: Add #pragma weaks.

2004-08-30  Nathan Sidwell  <>

	* alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
	record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
	gcc_assert and gcc_unreachable instead of abort.
	* alloc-pool.c (abort, fancy_abort): Remove.
	(create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
	gcc_assert or gcc_unreachable.
	* attribs.c (init_attributes, decl_attributes): Likewise.
	* bb-reorder.c (FREE, find_traces_1_round, copy_bb,
	add_labels_and_missing_jumps, fix_crossing_conditional_branches,
	fix_crossing_unconditional_branches): Likewise.
	* bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
	bitmap_operation): Likewise.
	* bt-load.c (insn_sets_btr_p, augment_live_range,
	move_btr_def): Likewise.
	* builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
	apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
	expand_builtin_mathfn_2, expand_builtin_mathfn_3,
	builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
	expand_builtin_memcmp, expand_builtin_args_info,
	std_gimplify_va_arg_expr, expand_builtin_unop,
	expand_builtin_fputs, expand_builtin_profile_func,
	expand_builtin_fork_or_exec, fold_builtin_bitop,
	fold_builtin_classify, fold_builtin_fputs): Likewise.

2004-08-30  Nathan Sidwell  <>

	* gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
	* gcov.c (abort): Remove undef.

	* tree.h (BINFO_PRIMARY_BASE_OF): Remove.
	(struct tree_binfo): Remove primary field.

2004-08-30  Paolo Bonzini  <>

	* fixinc/ (machname.h): Remove.
	(fixincl.x): Do not pass $@ to genfixes.
	* fixinc/genfixes: Remove code to produce machname.h.
	* fixinc/ Move it here instead.
	* fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
	instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
	return a bool indicating whether pz_mn_name_pat is NULL.
	* fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
	Declare extern C variables for the ENV_TABLE.
	* fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
	instead use the result of mn_get_regexps.
	* fixinc/fixtests.c: Likewise.

2004-08-30  Paolo Bonzini  <>

	* Do not run fixincludes after stage1 during
	toplevel bootstrap.
	* configure: Regenerate.

2004-08-30  Richard Earnshaw  <>

	* sched-deps.c (get_condition): Partially revert previous, by never
	trying to extract the condition from a condjump.

2004-08-30  Nathan Sidwell  <>

	* c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
	(handle_visibility_attribute, c_determine_visibility): Likewise.
	* c-common.h (my_friendly_assert): Remove.

2004-08-30  Richard Sandiford  <>

	* config/mips/ (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
	(UNSPEC_{RSQRT,RECIP}[12]): New constants.
	(UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
	* config/mips/ (*movcc_v2sf_[sd]i): Use :GPR.
	(mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.

2004-08-30  Diego Novillo  <>

	* tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
	in COMPONENT_REF nodes.

2004-08-29  Gabriel Dos Reis  <>

	PR c++/15378
	* c-opts.c (c_common_handle_option): <case OPT_Werror> set
	* diagnostic.c (diagnostic_initialize): Tidy.
	* diagnostic.h (diagnostic_context::x_data): Remove
	(diagnostic_context::issue_warnings_are_errors_message): Rename
	from warnings_are_errors_message.
	(diagnostic_context::warning_as_error_requested): New.

2004-08-30  Richard Earnshaw  <>

	* sched-deps.c (get_condition): Fix breakage in previous patch.

2004-08-30  Paul Brook  <>

	* doc/install.texi: Fix broken mpfr link.

2004-08-29  David O'Brien  <>

	* config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
	other FreeBSD platforms.

2004-08-29  Richard Earnshaw  <>

	* arm.h (REVERSE_CONDITION): Define.
	(REVERSIBLE_CC_MODE): All comparisons are now reversible.

2004-08-29  Richard Earnshaw  <>

	* flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
	just the codes, call reversed_comparison_code ().
	(ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
	(not_reg_cond): Use reversed_comparison_code.
	(and_reg_cond): Likewise.
	* ifcvt.c (cond_exec_process_if_block): Likewise.
	* doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.

2004-08-29  Richard Earnshaw  <>

	* sched-deps.c (get_condition): Rewrite using jump support functions.
	Use reversed_comparison_code.
	(conditions_mutex_p): Use reversed_comparison_code.

2004-08-29  Richard Sandiford  <>

	* config/mips/mips.c (override_options): Disable hot/cold partitioning
	for MIPS16.

2004-08-29  Richard Sandiford  <>

	* config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
	(mips_function_type): Move to mips.c.
	* config/mips/mips.c (mips_builtin_type): New enum.
	(builtin_description): Replace code and ftype with builtin_type
	and function_type.
	(CODE_FOR_mips_abs_ps): Define.
	(mips_bdesc): Use new macros.
	(mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
	(mips_init_builtins): Use the mips_bdesc[] index as the function code.
	(mips_expand_builtin_direct): New function.
	(mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
	builtin.  Replace boolean parameter with builtin_type.
	(mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
	(mips_expand_4s_compare_builtin): Delete, replacing with...
	(mips_expand_builtin_compare): ...this new function.

2004-08-29  Mark Mitchell  <>

	PR rtl-optimization/16590
	* gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.

2004-08-29  Diego Novillo  <>

	* tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
	* tree-ssa-propagate.c: Fix documentation.

2004-08-29  Richard Sandiford  <>

	* config/mips/ (*mov[sd]f_on_*): Redefine using :SCALARF.
	(mov[sd]fcc): Likewise.

2004-08-29  Richard Sandiford  <>

	* config/mips/ (cmp[sd]f): Redefine using :SCALARF.

2004-08-29  Richard Sandiford  <>

	* config/mips/ (divide_condition): New mode attribute.
	(div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
	(sqrt[sd]f3): Redefine using SCALARF.
	(*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed

2004-08-29  Richard Sandiford  <>

	* config/mips/ (ANYF, SCALARF): New mode macros.
	(loadx, storex, fmt, UNITMODE): New mode attributes.
	(add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
	(mul[sd]f3): Redefine using :SCALARF.
	(*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
	(*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
	(*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
	Check TARGET_FUSED_MADD for V2SF too.
	(*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
	were already named.
	(abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
	(*[sl][wd]xc1_[sd]i): Redefine using :ANYF.

2004-08-29  Richard Sandiford  <>

	* config/mips/mips.c (mips_init_builtins): Simplify.  Only create
	V2SF_type_node if it will be needed.

2004-08-29  Richard Sandiford  <>

	* config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
	* config/mips/mips.c (mips_prepare_builtin_arg): New function.
	(mips_prepare_builtin_target): New function.
	(mips_expand_builtin): Use them.  Update calls to subroutines.
	(mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
	cmp_choice with a boolean argument to select between movt and movf.
	Take the comparison's icode as an argument, not the function's fcode.
	(mips_expand_compare_builtin): New function.  Rename existing function
	to mips_expand_scalar_compare_builtin.
	(mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
	(mips_expand_ps_compare_builtin): Use the new functions.  Take the
	comparison's icode as an argument, not the builtin's fcode.

2004-08-29  Richard Sandiford  <>

	* config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
	(mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
	registers are false and -1 if all registers are true.
	(mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
	* config/mips/ (mips_cond_move_tf_ps): Use %Q rather than %y.
	(bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
	(bc1any2t, bc1any2f): Likewise CCV2.
	(bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.

2004-08-29  Richard Sandiford  <>

	* config/mips/ (UNSPEC_MOVE_TF_PS): New.
	* config/mips/ (mips_cond_move_tf_ps): Express as an
	UNSPEC rather than an IF_THEN_ELSE.
	* config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
	mips_cond_move_tf_ps by name.

2004-08-29  Chao-ying Fu  <>
	    James E Wilson  <>

	* config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
	8 byte size and alignment.  Give CCV4 16 byte size and alignment.
	* config/mips/ New file.
	* config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
	(mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
	(mips_output_move): Emit "" for V2SFmode.
	(mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
	(override_options): Check if TARGET_MIPS3D and there was an explicit
	Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
	TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
	and allow CCV2 and CCV4 to occupy two and four CC registers.
	(print_fcc_operand): New function.
	(print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
	%Z to call print_fcc_operand.
	(mips_function_value): Handle MODE_VECTOR_FLOAT.
	(mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
	(mips_vector_mode_supported_p): New function.
	(mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
	(builtin_description): New struct.
	(mips_bdesc): New array of struct builtin_description.
	(mips_expand_builtin, mips_init_builtins,
	mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
	mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
	* config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
	(TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
	(TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
	"-mips3d", and "-mno-mips3d".
	(ASM_SPEC): Map -mips3d to -mips3d in gas.
	multi-letter constraint 'Y'.
	(CONSTRAINT_LEN): New macro.
	(enum mips_builtins): New for MIPS builtin functions.
	(enum mips_function_type): New for the types of MIPS builtin functions.
	(enum mips_cmp_choice): New for the MIPS comparison builtin functions.
	* config/mips/ New constants for paired single and MIPS-3D
	instructions.  Include the new file.
	(addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
	movv2sf_hardfloat_64bit): New named patterns.
	(,, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
	nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
	sdxc1_v2sf_di): New unnamed patterns.
	* config/mips/ (const_0_operand, const_1_operand): Add
	const_vector support.
	(const_0_or_1_operand): New predicate.
	* doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.

2004-08-29  Diego Novillo  <>

	* (OBJS-common): Add tree-ssa-propagate.o
	(tree-ssa-propagate.o): New rule.
	(GTFILES): Add tree-ssa-propagate.c.
	* tree-flow.h (struct stmt_ann_d): Remove field
	* tree-ssa-propagate.c: New file.
	* tree-ssa-propagate.h: New file.
	* tree-ssa-ccp.c: Re-write to use the routines from

2004-08-28  Andrew Pinski  <>

	* tree-ssa-loop.c: Remove extra include of basic-block.h.

2004-08-28  Ziemowit Laski  <>

	* c-common.h: Update comments about ObjC/ObjC++ entry points.
	(objc_is_reserved_word): New prototype.
	(get_current_scope, objc_mark_locals_volatile): Move prototypes to
	separate section; these are call-backs.
	* c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
	ObjC/ObjC++ "@" keywords.
	* c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
	prototypes; they already live in c-common.h.
	* stub-objc.c: Update copyright notice.
	(objc_is_reserved_word): New stub.

2004-08-28  Nathan Sidwell  <>

	* system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
	even when not checking.

2004-08-27  Jason Merrill  <>

	PR c++/13684
	* gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
	(gimple_push_cleanup): Add eh_only parm.
	(gimplify_target_expr): Pass it.
	* c.opt (-fno-threadsafe-statics): New option.
	* c-opts.c (c_common_handle_option): Handle it.
	* c-common.h (flag_threadsafe_statics): Declare it.
	* c-common.c (flag_threadsafe_statics): Record it.
	* doc/invoke.texi: Document it.
	* tsystem.h (_GNU_SOURCE): Define.
	* gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
	(__gthread_recursive_mutex_init_function): New fn.
	(__gthread_recursive_mutex_lock): New fn.
	(__gthread_recursive_mutex_trylock): New fn.
	(__gthread_recursive_mutex_unlock): New fn.
	* gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
	* gthr-win32.h, gthr-vxworks.h: Likewise.
	* gthr.h: Document.

2004-08-27  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_override_options): Increase
	maximum skip to 15.  Set function alignment, jump alignment, and
	loop alignment to 16 for processors that form dispatch groups.
	(rs6000_rtx_costs): outer_code is used.

2004-08-27  Nathan Sidwell  <>

	* stor-layout.c (sizetype_set): Remove.
	(set_sizetype): Don't test or set it.

	* tree.h (size_int_type): Remove.
	* fold-const.c: Do not #include gt-fold-const.h.
	(size_htab_hash, size_htab_eq): Remove.
	(size_int_kind): Use build_int_cst.
	(new_const, size_htab): Remove.
	(size_int_type): Remove.
	(round_up): Use build_int_cst.
	(round_down): Likewise. Remove spurious constant build.

2004-08-27  Nathan Sidwell  <>

	Add is_release variable, use it for --enable-werror and
	--enable-checking defaults.
	* system.h (gcc_assert, gcc_unreachable): New.
	* doc/install.texi (--enable-checking): Update.
	* configure, Rebuilt.

2004-08-26  Richard Sandiford  <>

	* rtl.h (read_rtx): Change prototype.
	* read-rtl.c (read_rtx): Provide the caller with both an rtx and a
	line number.  Return true on success.
	* gensupport.c (process_include, init_md_reader_args_cb): Adjust
	callers accordingly.

2004-08-26  Richard Henderson  <>

	* c-typeck.c (build_offsetof): Remove.
	* c-tree.h (build_offsetof): Remove.
	* c-common.c (fold_offsetof_1, fold_offsetof): New.
	* c-common.h (fold_offsetof): Declare.
	* (offsetof_base): New.
	(offsetof_member_designator): Use it.  Build references, not just
	a tree list.
	(primary): Use fold_offsetof, not build_offsetof.

2004-08-26  Richard Henderson  <>

	* tree.c (staticp): Return the static object.
	* tree.h (staticp): Update decl.
	* langhooks.h (struct lang_hooks): Change staticp return type to tree.
	* langhooks.c (lhd_staticp): Return NULL_TREE.
	* langhooks-def.h (lhd_staticp): Update decl.
	* c-common.c (c_staticp): Return the static object.
	* c-common.h (c_staticp): Update decl.

2004-08-26  Richard Henderson  <>

	* config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float

2004-08-26  Joseph S. Myers  <>

	PR c/13801
	* c-decl.c (struct c_binding): Add type and inner_comp fields.
	(bind): Set type and inner_comp fields.
	(pop_scope): Restore type of decl to the correct type from an
	outer scope.  Give error when popping file scope for incomplete
	arrays completed incompatibly with default initialization in an
	inner scope.
	(diagnose_mismatched_decls): Handle externs with initializers at
	block scope.
	(pushdecl): Set type of external declaration at block scope based
	only on the visible declarations.  Save type when changing the
	type of a declaration.  Merge an external declaration at block
	scope with a visible static declaration at file scope.
	(implicitly_declare): Give recycled old declaration the new type
	except for incompatible declarations of built-in functions, saving
	the old type.

2004-08-26  Ziemowit Laski  <>

	* (OBJC_TYPE_QUAL): New %token for ObjC use.

2004-08-26  Daniel Berlin  <>

	* tree-alias-common.c (gate_pta): New function.
	(pass_build_pta): Use it.
	(pass_del_pta): Use it.
	(delete_alias_vars): Don't check flag_tree_points_to.

2004-08-26  Fariborz Jahanian  <>

	* config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
	TFmode as additional register mode cloberred by call.

2004-08-26  Fariborz Jahanian  <>

	* config/rs6000/rs6000.c (rs6000_libcall_value): Generate
	parallel pattern for library call returning DImode in
	mixed mode.

2004-08-26  Fariborz Jahanian  <>

	* config/rs6000/rs6000.c (function_arg): Generate parallel
	pattern for more split args.

2004-08-26  Fariborz Jahanian  <>

	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
	either gen_movdi_di_update or gen_movdi_si_update depending on
	target mode.
	* config/rs6000/ (movdi_update): Changed to movdi_<mode>_update,
	to generate two versions.

2004-08-26  Daniel Berlin  <>

	* (lambda-code.o): New.
	(lambda-trans.o): Ditto.
	(TREE_DATA_REF_H): Ditto.
	(LAMBDA_H): Ditto.
	(lambda-mat.o): Use LAMBDA_H.
	(tree-data-ref.o): Ditto.
	* lambda-code.c: New file.  Lambda code generation algorithm.
	* lambda-trans.c: Ditto. Lambda transformation matrix support.
	* lambda.h: Add lambda loop structures.
	Add lambda loopnest structures.
	Add lambda body vector structure.
	Add lambda linear expression structures.
	Add prototypes for functions in new files.
	* lambda-mat.c: Include tree.h

2004-08-26  Daniel Berlin <>
	    Sebastian Pop  <>

	* tree-data-ref.h: Include lambda.h
	(free_dependence_relation): Declared here.
	(free_dependence_relations): Ditto.
	(free_data_refs): Ditto.
	* tree-data-ref.c (free_dependence_relation): New function.
	(free_dependence_relations): Ditto.
	(free_data_refs): Ditot.
	(analyze_all_data_dependences): Free datarefs and dependence_relations.
	(build_classic_dist_vector): Store in the dependence_relations the
	information. Each arc in the dependence_relations graph is labelled
	with the distance and direction vectors.
	(build_classic_dir_vector): Ditto.
	(compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
	Now computes again the whole dependence graph including read-read
	(compute_data_dependences_for_loop): Now dependence_relations contains
	all the data, and thus it doesn't need to initialize the classic_dir
	and classic_dist vectors.
	(analyze_all_data_dependences): Adjusted for using the new interface of
	compute_data_dependences_for_loop.  Remove the statistics dump.

2004-08-26  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
	(xtensa_expand_block_move): Update comment.
	(override_options): Remove initialization of xtensa_{ld,st}_opcodes.

2004-08-26  Richard Earnshaw  <>

	PR target/13506
	* toplev.c (crash_signal): If we crashed while emitting
	a user asm, then die more gracefully.

2004-08-26  Kazuhiro Inaoka  <>

	PR target/17119.
	* config/m32r.c (gen_compare): Use reg_or_int16_operand when
	checking for a valid constant, regardless of sign.

2004-08-25  Richard Henderson  <>

	PR target/16974
	* config/alpha/ (adddi_fp_hack): Don't rely on splitting
	if the constant satisfies add_operand.

2004-08-25  Richard Henderson  <>

	PR debug/10695
	* config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
	(alpha_expand_prologue): Handle >32-bit frames.  Generate proper
	unwind info for >16-bit frames.

2004-08-25  Richard B. Kreckel  <>

	PR target/17171
	* config/i386/gas.h (ASM_COMMENT_START): Define to "#".

2004-08-25  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_cannot_force_const_mem): New.

2004-08-25  Andrew MacLeod  <>

	* doc/tree-ssa.texi: Document new operand iterator.

2004-08-26  Alan Modra  <>

	PR target/16480
	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
	on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
	as PLUS base regs.

2005-08-28  Paul Brook  <>

	* config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
	-mfpu=vfp -march=armv5t
	* config/arm/t-symbian: Change multilib to mfloat-abi=softfp.

2004-08-25  Richard Henderson  <>

	* target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
	* target.h (struct gcc_target): Add scalar_mode_supported_p.
	* targhooks.c (default_scalar_mode_supported_p): New.
	* targhooks.h (default_scalar_mode_supported_p): Declare.
	* doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.

	* c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
	before attempting to create types.  Tidy.
	* expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.

	* config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.

2004-08-25  Richard Henderson  <>

	* config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
	set REAL_MODE_FORMAT for TFmode.

2004-08-25  Ziemowit Laski  <>

	* c-decl.c (grokparm): New function.
	* c-tree.h (grokparm): New prototype.

2004-08-25  Andrew MacLeod  <>

	* tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
	iterator controlling structure.
	iterator flags.
	(FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
	(FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
	(FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
	* tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
	Empty operand pointers.
	* tree-flow-inline.h (op_iter_done): New.  Return true if finished.
	(op_iter_next_use): New.  Return next use_operand_p.
	(op_iter_next_def): New.  Return next def_operand_p.
	(op_iter_next_tree): New.  Return next operands as a tree.
	(op_iter_init): New.  Initialize an iterator structure.
	(op_iter_init_use): New.  Initialize structure and get the first use.
	(op_iter_init_def): New.  Initialize structure and get the first def.
	(op_iter_init_tree): New.  Initialize structure and get the first tree.
	(op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
	(op_iter_init_maydef): New.  Initialize structure and get the first
	V_MAY_DEF operands.
	* tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
	* tree-dfa.c (compute_immediate_uses_for_stmt,
	redirect_immediate_uses): Use new operand iterator.
	(v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
	(mark_new_vars_to_rename): Use new operand iterator.  Count virtual
	operands instead of using *_disappeared_p routines.
	* tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
	ssa_rewrite_stmt): Use new operand iterator.
	* tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
	rewrite_trees): Use new operand iterator.
	* tree-pretty-print.c (dump_vops): Use new operand iterator.
	* tree-sra.c (mark_all_v_defs): Use new operand iterator.
	* tree-ssa-alias.c (compute_points_to_and_addr_escape,
	dump_points_to_info): Use new operand iterator.
	* tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
	replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
	operand iterator.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
	propagate_necessity): Use new operand iterator.
	* tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
	(register_definitions_for_stmt): Use new operand iterator.  Take stmt as
	a parameter instead of a stmt_ann_t.
	* tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
	build_tree_conflict_graph): Use new operand iterator.
	* tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
	rewrite_mem_refs): Use new operand iterator.
	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
	check_loop_closed_ssa_use): Use new operand iterator.
	* tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
	* tree-ssanames.c (release_defs): Use new operand iterator.
	* tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.

2004-08-25  Adam Nemet  <>

	* tlink.c (initial_cwd): New variable.
	(tlink_init): Initialize it.
	(recompile_files): Use tlink_execute() instead of system().  Don't
	duplicate verbose output of collect_execute.  Restore initial_cwd.
	Update comment before the function.

2004-08-25  Ziemowit Laski  <>

	* c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
	accept) a cast from one Objective-C pointer type to another.

2004-08-25  Paolo Carlini  <>

	* doc/install.texi: Document that libstdc++-v3 requires
	now automake 1.9.1.

2004-08-25  Caroline Tice  <>

	* bb-reorder.c (partition_hot_cold_basic_blocks): Add more details
	to comments at start of function.
	* cfgbuild.c (make_edges): Add more details to hot/cold partitioning
	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
	merge_blocks_move_successor_nojumps, merge_blocks_move,
	try_crossjump_to_edge, try_crossjump_bb): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
	cfg_layout_can_merge_blocks_p): Likewise.
	* ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
	* passes.c (rest_of_compilation): Update comments for calling
	optimization that partitions hot/cold basic blocks.
	* doc/invoke.texi: Update documentation of
	freorder-blocks-and-partition flag.

2004-08-25  Richard Sandiford  <>

	* config/mips/ (reg): Renamed mode attribute from ccreg.
	(*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.

2004-08-25  Richard Sandiford  <>

	* config/mips/ (any_shift): New code macro.
	(optab, insn): New code attributes.
	({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
	Use the standard rather than internal patterns for the MIPS16
	double-shift optimization.
	(*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
	Redefine using :GPR and any_shift.
	(*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
	to cover all three shifts.
	(*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
	Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
	(*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.

2004-08-24  Geoffrey Keating  <>

	* gimplify.c (lookup_tmp_var): Separate temporaries when not

2004-08-25  John David Anglin  <>

	PR libstdc++/17005 (fix for HP-UX 11.11)
	* config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
	(hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
	tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
	* config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
	* config/pa/pa-hpux.h (TARGET_HPUX): Define.
	(LINK_SPEC): Handle march=1.0 option.
	* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
	(LINK_SPEC): Handle march=1.0 option.
	(STARTFILE_SPEC): New define.
	* config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
	and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
	(LINK_SPEC): Handle march=1.0 option.
	(STARTFILE_SPEC): New define.
	* config/pa/pa.c (override_options): Add code to process -munix= option.
	* config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
	(TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
	(SUBTARGET_OPTIONS): Provide default define.
	* config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
	(STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
	* doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
	Mention issue caused by changing namespace and runtime to UNIX 95/98.
	* doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
	Document -munix=std option.

2004-08-25  Steven Bosscher  <>

	* cse.c (cse_around_loop, cse_check_loop_start,
	cse_set_around_loop): Remove.
	(cse_basic_block): Remove the around_loop argument.
	(cse_end_of_basic_block): Remove the after_loop argument.
	(cse_main): Likewise.
	* rtl.h (cse_main): Update prototype.
	* passes.c (rest_of_handle_cse, rest_of_handle_cse2,
	rest_of_handle_gcse): Update cse_main calls.

2004-08-25  Nathan Sidwell  <>

	* tree.h  (build_int_cst): New, sign extended constant.
	(build_int_cstu): New, zero extended constant.
	(build_int_cst_wide): Renamed from build_int_cst.
	* tree.c (build_int_cst, build_int_cstu): New.
	(build_int_cst_wide): Renamed from build_int_cst.
	(make_vector_type, build_common_tree_nodes,
	build_common_tree_nodes_2): Adjust build_int_cst calls.
	* builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
	expand_builtin_strpbrk, expand_builtin_fputs,
	build_string_literal, expand_builtin_printf,
	expand_builtin_sprintf, fold_builtin_classify_type,
	fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
	fold_builtin_toascii, fold_builtin_isdigit,
	simplify_builtin_strstr, simplify_builtin_strpbrk,
	fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
	* c-common.c (start_fname_decls, fix_string_type, shorten_compare,
	DEF_ATTR_INT): Likewise.
	* c-decl.c (complete_array_type, check_bitfield_type_and_width):
	* c-lex.c (interpret_integer, lex_charconst): Likewise.
	* (primary) <TYPES_COMPATIBLE_P> Likewise.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init_from_string): Likewise.
	* calls.c (load_register_parameters): Likewise.
	convert.c (convert_to_pointer): Likewise.
	coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
	build_fn_info_type, build_fn_info_value, build_ctr_info_value,
	build_gcov_info): Likewise.
	* except.c (init_eh, assign_filter_values): Likewise.
	* expmed.c (store_fixed_bit_field, extract_bit_field,
	extract_fixed_bit_field, extract_split_bit_field, expand_shift,
	expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
	expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
	* expr.c (convert_move, emit_group_load, emit_group_store,
	expand_assignment, store_constructor, store_field,
	expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
	fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
	invert_truthvalue, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, constant_boolean_node,
	fold_div_compare, fold, fold_read_from_constant_string,
	fold_negate_const, fold_abs_const, fold_not_const, round_up,
	round_down): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value, expand_case, estimate_case_costs):
	* stor-layout.c (layout_type, initialize_sizetypes,
	set_min_and_max_values_for_integral_type): Likewise.
	* tree-chrec.c (chrec_fold_multiply_poly_poly,
	reset_evolution_in_loop): Likewise.
	* tree-chrec.h (build_polynomial_chrec): Likewise.
	* tree-complex.c (build_replicated_const): Likewise.
	* tree-eh.c (honor_protect_cleanup_actions,
	lower_try_finally_onedest, lower_try_finally_copy,
	lower_try_finally_switch): Likewise.
	* tree-mudflap.c (mf_build_string, mx_register_decls,
	mudflap_register_call, mudflap_enqueue_constant): Likewise.
	* tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
	* tree-ssa-loop-ivcanon.c (create_canonical_iv,
	canonicalize_loop_induction_variables): Likewise.
	* tree-vectorizer.c (vect_create_index_for_array_ref,
	vect_transform_loop_bound, vect_compute_data_ref_alignment):

	* config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
	alpha_gimplify_va_arg_1): Likewise.
	* config/arm/arm.c (arm_get_cookie_size): Likewise.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
	mips_gimplify_va_arg_expr): Likewise.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
	add_compiler_branch_island): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.
	* config/sh/sh.c (sh_va_start): Likewise.
	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	* config/xtensa/xtensa.c (xtensa_va_start,
	xtensa_gimplify_va_arg_expr): Likewise.

	* objc/objc-act.c (build_objc_string_object,
	build_objc_symtab_template, init_def_list, init_objc_symtab,
	init_module_descriptor, generate_static_references,
	build_selector_translation_table, get_proto_encoding,
	build_typed_selector_reference, build_selector_reference,
	build_method_prototype_list_template, generate_descriptor_table,
	generate_protocols, build_protocol_initializer,
	build_ivar_list_template, build_method_list_template,
	build_ivar_list_initializer, generate_ivars_list,
	generate_dispatch_table, generate_protocol_list,
	build_category_initializer, build_shared_structure_initializer,
	generate_shared_structures, handle_impent,
	generate_objc_image_info): Likewise.

2004-04-25  Paolo Bonzini  <>

	* cfglayout.c (duplicate_insn_chain): Remove references to
	* cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
	* cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
	* final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
	* insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
	* jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
	* loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
	check_dbra_loop, loop_dump_aux): Remove references to removed notes
	and fields.
	* reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
	* unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
	references to removed notes and fields.
	(subtract_reg_term, ujump_to_loop_cont): Remove.

2004-08-25  Paolo Bonzini  <>

	* doc/install.texi: Document that libcpp does not require
	Automake any longer.  Document that Automake 1.9.1 should
	work everywhere.

2004-08-25  Zack Weinberg  <>

	* flags.h (enum debug_info_type): Remove DWARF_DEBUG.
	* defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
	DWARF_DEBUGGING_INFO from choice-of-definition chain;
	restructure using C89 features (#elif, #error).
	* c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
	* config/sh/sh.h: Remove references to DWARF_DEBUG.
	* doc/invoke.texi: Remove references to DWARF version 1;
	clarify why -gdwarf-2<n> doesn't work.

2004-08-25  Zack Weinberg  <>

	* basic-block.h (BB_SET_PARTITION): Clear old value first.
	* cfg.c (clear_bb_flags): Don't clear partition setting.
	* ifcvt.c (find_if_case_1): Remove ??? comment.

2004-08-25  Alan Modra  <>

	PR target/17052
	* config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
	* config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
	current_function_stdarg in place of sysv_varargs_p.
	* config/rs6000/rs6000.c (setup_incoming_varargs): Don't set

2004-08-24  Richard Henderson  <>

	PR target/16298
	* config/i386/i386.c (legitimate_constant_p): Rework to not accept
	random codes within CONST.

2004-08-24  James E Wilson  <>


2004-08-24  John David Anglin  <>

	PR middle-end/17044
	* tree-ssa-threadupdate.c (redirection_data): Make static.
	(thread_block): Use ggc_alloc_cleared to allocate struct
	redirection_data.  Don't free elements in redirection_data.

2004-08-24  Richard Sandiford  <>

	* config/mips/ (small_data_pattern): Match prefetches.

2004-08-24  Zdenek Dvorak  <>

	PR tree-optimization/17016
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	number_of_iterations_exit): Use POINTER_TYPE_P instead
	of testing for POINTER_TYPE.

2004-08-24  Zdenek Dvorak  <>

	* tree-ssa-loop-ivcanon.c: New file.
	* tree-ssa-loop-manip.c (create_iv): New function.
	* (tree-ssa-loop-ivcanon.o): Add.
	(tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
	* cfgloop.c (mark_single_exit_loops): New function.
	(verify_loop_structure): Verify single-exit loops.
	* cfgloop.h (struct loop): Add single_exit field.
	(mark_single_exit_loops): Declare.
	(tree_num_loop_insns): Declare.
	* cfgloopmanip.c (update_single_exits_after_duplication): New function.
	(duplicate_loop_to_header_edge): Use it.
	* common.opt (fivcanon): New flag.
	* timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
	* tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
	(bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
	(bsi_insert_on_edge_immediate): New function.
	* tree-flow.h (bsi_insert_on_edge_immediate,
	canonicalize_induction_variables, tree_unroll_loops_completely,
	create_iv): Declare.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_iv_canon and pass_complete_unroll.
	* tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
	* tree-scalar-evolution.c (get_loop_exit_condition,
	get_exit_conditions_rec, number_of_iterations_in_loop,
	scev_initialize): Use single_exit information.
	* tree-ssa-loop-niter.c (number_of_iterations_cond): Record
	missing assumptions.
	(loop_niter_by_eval): Return number of iterations as unsigned
	* tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
	(tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
	tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
	New passes.
	(tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
	* tree-ssanames.c (make_ssa_name): Allow creating ssa name before
	the defining statement is ready.
	* tree-vectorizer.c (vect_create_iv_simple): Removed.
	(vect_create_index_for_array_ref, vect_transform_loop_bound):
	Use create_iv.
	(vect_transform_loop_bound): Use single_exit information.
	(vect_analyze_loop_form): Cleanup bogus tests.
	(vectorize_loops): Do not call flow_loop_scan.
	* tree.h (may_negate_without_overflow_p): Declare.
	* fold-const.c (may_negate_without_overflow_p): Split out from ...
	(negate_expr_p): ... this function.
	(tree_expr_nonzero_p): Handle overflowed constants correctly.
	* doc/invoke.texi (-fivcanon): Document.
	* doc/passes.texi: Document canonical induction variable creation.

2004-08-24  Richard Sandiford  <>

	* config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
	* config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
	using the mode of the operand to decide between them.
	* config/mips/ (MOVECC): New mode macro.
	(ccreg): New mode attribute.
	(*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
	Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
	(mov[sd]icc): Redefine using :GPR.

2004-08-24  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_emit_prefetch): Delete.
	(mips_prefetch_cookie): New function.
	* config/mips/mips.c (print_operand_address): Fix handling of
	(mips_emit_prefetch): Delete.
	(mips_prefetch_cookie): New function.
	* config/mips/ (prefetch): Turn into a define_insn.  Use a
	mode of QImode for the address_operand.  Use mips_prefetch_cookie
	to calculate the first "pref" operand.
	(prefetch_[sd]i, prefetch_[sd]i_address): Delete.
	(prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.

2004-08-24  Richard Earnshaw  <>

	* Include
	* New file.
	* arm.c (s_register_operand, arm_hard_register_operand)
	(arm_general_register_operand, f_register_operand, reg_or_int_operand)
	(arm_immediate_operand, arm_neg_immediate_operand)
	(arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
	(arm_add_operand, arm_addimm_operand, arm_not_operand)
	(offsettable_memory_operand, alignable_memory_operand)
	(arm_reload_memory_operand, arm_float_rhs_operand)
	(arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
	(index_operand, shiftable_operator, logical_binary_operator)
	(shift_operator, equality_operator, arm_comparison_operator)
	(minmax_operator, cc_register, dominant_cc_register)
	(arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
	(di_operand, nonimmediate_soft_df_operand, soft_df_operand)
	(const_shift_operand, load_multiple_operation)
	(store_multiple_operation, multi_register_push, thumb_cmp_operand)
	(thumb_cmpneg_operand, thumb_cbrch_target_operand)
	(cirrus_register_operand, cirrus_fp_register)
	(cirrus_shift_const): Delete, replaced with equivalents in
	(shift_op): Handle ROTATE.
	* arm-protos.h: Delete declarations for above.
	* t-arm (MD_INCLUDES): Add
	(s-preds): Depends on MD_INCLUDES.

2004-08-24  Richard Sandiford  <>

	* config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
	* config/mips/ (*conditional_trap[sd]i): Name previously unnamed
	patterns.  Redefine using :GPR.  Give the match_operator a mode.
	Use '%2' rather than '%z2' for operand 2.

2004-08-24  Richard Sandiford  <>

	* config/mips/ (load_call[sd]i): Redefine using :P.  Add mode

2004-08-24  Richard Sandiford  <>

	* config/mips/ (indirect_jump): Use force_reg.  Adjust names
	of internal patterns.
	(indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
	Redefine using :P.
	(tablejump): Use expand_binop to calculate address.  Adjust names
	of internal patterns.
	(tablejump[sd]i): Renamed from tablejump_internal[12].
	Redefine using :P.
	(tablejump_mips16[12]): Delete.

2004-08-24  Richard Sandiford  <>

	* config/mips/ (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
	(*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
	(*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
	(*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
	(*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.

2004-08-24  Richard Sandiford  <>

	* config/mips/ (cmpsi, cmpdi): Redefine using :GPR.
	(*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
	using :GPR.
	(*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
	(*branch_equality[sd]i): Likewise branch_equality{,_di}.
	(*branch_equality[sd]i_inverted): Likewise
	(*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
	Redefine using :GPR.

2004-08-24  Zack Weinberg  <>

	* rtl.def: Reorganize, placing all codes used only in machine
	descriptions at the end.

	* rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
	* gengtype.c: Don't include rtl.h.  Define enum rtx_code and
	rtx_name, rtx_format arrays by direct reference to rtl.def,
	first undefining GENERATOR_FILE.  Define enum insn_note and
	note_insn_name array by direct reference to insn-notes.def.
	(adjust_field_rtx_def): Remove local definition of rtx_name.
	Use symbolic names for insn notes.
	* (gengtype.o): Update dependencies.

2004-08-24  Zack Weinberg  <>

	* basic-block.h (struct basic_block_def): Reorder fields to
	eliminate interior padding.  Remove 'partition' field.
	(BB_COPY_PARTITION): New macros.
	* bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
	Replace all references to the 'partition' field of a basic
	block with new macros.

	* insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
	* final.c (final_scan_insn): Don't handle it.
	* modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
	instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
	* sched-rgn.c (sched_is_disabled_for_current_region_p):
	Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.

2004-08-24  Nathan Sidwell  <>

	* c-decl.c (c_init_decl_processing): Adjust
	build_common_tree_nodes call.
	* expmed.c (const_mult_add_overflow_p): Use
	* stor-layout.c (early_type_list): Remove.
	(layout_type): Don't append to early_type_list.
	(initialize_sizetypes): Add signed_p argument.
	(set_sizetype): Overwrite the stub type nodes directly.
	* tree.c (copy_node_stat): Clear a type's value cache here ...
	(build_distinct_type): ... not here.
	(build_common_tree_nodes): Add signed_sizetype argument. Adjust.
	* tree.h (initialize_sizetypes): Add signed_p argument.
	(build_common_tree_nodes): Likewise.

	* objc/objc-act.c (get_static_reference): Use
	(get_protocol_reference): Likewise.
	* objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.

2004-08-24  Richard Henderson  <>
	    Andrew Pinski  <>

	* gimplify.c (gimplify_array_ref_to_plus): Delete.
	(gimplify_addr_expr): Do not call gimplify_array_ref_to_plus

	* config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
	ARRAY_REF also to get to the STRING_CST.

2004-08-24  Paul Brook  <>

	* config/arm/arm.c (arm_override_options): Update error message.
	* config/arm/arm.h (TARGET_HARD_FLOAT): Rename to

2004-08-24  Kazuhiro Inaoka  <>

	PR target/17093
	* config/ (movsi_sda): Add SI mode specification to

2004-08-24  Nick Clifton  <>

	* config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
	of seth_add3_operand.

2004-08-24  Nathan Sidwell  <>

	* (PROTO_OBJS): Add errors.o.
	* protoize.c (fancy_abort): Remove.
	* mips-tfile.c (fancy_abort): Add parameters.

2004-08-24  Jonathan Wakely  <>

	* doc/trouble.texi (C++ misunderstandings): Fix example code.

2004-08-24  Andreas Tobler  <>

	* (HOOKS_H): Add dependency on MACHMODE_H.
	(host-default.o): Add dependency on HOOKS_H.
	* config/x-linux: Likewise.
	* config/x-solaris: Likewise.
	* config/i386/x-mingw32: Likewise.
	* config/rs6000/x-darwin: Likewise.

2004-08-23  James E Wilson  <>

	* reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to

2004-08-23  Mark Mitchell  <>

	PR c/14492
	* dwarf2out.c (loc_descriptor_from_tree): Robustify.

2004-08-23  Diego Novillo  <>

	* cfg.c (check_bb_profile): Fix typos.
	* function.c (assign_parm_is_stack_parm): Likewise.
	* tree-nested.c: Likewise.

2004-08-23  Daniel Jacobowitz  <>

	* ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
	(ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.

2004-08-23  Eric Christopher  <>

	* defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
	* system.h (VECTOR_MODE_SUPPORTED_P): Poison.
	* target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
	* target.h: Ditto.
	* hooks.h: Include machmode.h.
	(hook_bool_mode_false): Declare.
	* hooks.c (hook_bool_mode_false): Define.
	* expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
	* stor-layout.c (layout_type): Ditto.
	* config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
	Define to target macro.
	* config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
	* config/arm/arm.c: Ditto. Use.
	* config/arm/arm.h: Ditto.
	* config/arm/arm-protos.h: Ditto.
	* config/i386/i386.c: Ditto.
	* config/i386/i386.h: Ditto.
	* config/rs6000/rs6000.c: Ditto.
	* config/rs6000/rs6000.h: Ditto.
	* config/sh/sh.c: Ditto.
	* config/sh/sh.h: Ditto.
	* config/sh/sh-protos.h: Ditto.
	* config/sh/ Use.
	* doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P

2004-08-23  Nathan Sidwell  <>

	* (BUILD_ERRORS): Set to build-errors.
	(errors.o): New target for host.
	(build-errors.o): New target for build.
	(genobjs): Replace errors.o with build-errors.
	(gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
	(GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
	(fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
	(fix-header.o): Add errors.h
	* collect2.c (fancy_abort): Add parameters.
	* collect2.h (fancy_abort): Don't declare.
	* errors.h (fancy_abort): Don't declare.
	* errors.c: Include either bconfig.h or config.h.
	(fancy_abort): Trim filename.
	* fix-header.c (v_fatal, fatal): Remove.
	(progname): Remove definition.
	(main): Set progname here.
	* gcc.c (fancy_abort): Add parameters.
	* gcc.h (fancy_abort): Remove declaration.
	* gcov.c (fancy_abort): Remove.
	* rtl.h (fancy_abort): Don't declare.
	(abort): Don't define.
	* tree.h (fancy_abort): Don't declare.
	(abort): Don't define.
	* system.h (fancy_abort): Declare.
	(abort): Define to fancy_abort.
	* fixinc/ (ALLOBJ): Add ../build-errors.o

	* tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
	(usize_type, ubitsizetype): Remove.
	* stor-layout.c (set_sizetype): Don't initialize usizetype,
	* fold-const.c (size_diffop): TYPE can never be ubitsizetype.

	* tree.h (build_distinct_type_copy): New.
	(build_type_copy): ... here.  Rename to ...
	(build_variant_type_copy): ... here.
	* tree.c (build_qualified_type): Rename build_type_copy call.
	(build_distinct_type_copy): New, broken out of ...
	(build_type_copy): ... here.  Rename to ...
	(build_variant_type_copy): ... here.  Use
	(build_common_tree_nodes_2): Rename build_type_copy call.
	* c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
	(handle_packed_attribute, handle_unused_attribute,
	handle_transparanet_union_attribute, handle_aligned_attribute,
	handle_deprecated_attribute): Likewise.
	* c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
	* config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Use

2004-08-23  Richard Sandiford  <>

	* config/mips/ (mfhilo_[sd]i): Redefine using :GPR.  Add mode

2004-08-23  Richard Sandiford  <>

	* config/mips/ (length): Don't use mips_fetch_insns for indexed
	loads and stores.
	(*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
	formerly unnamed patterns.  Redefine using :P for the address.  Remove
	explicit length attributes.

2004-08-23  Zdenek Dvorak  <>

	* tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
	New functions.
	(single_reachable_address): Use them.
	(schedule_sm): Add dump.
	(is_call_clobbered_ref): New function.
	(determine_lsm_reg): Check whether the reference is call clobbered.
	Only work for gimple_reg_type values.

2004-08-23  Richard Sandiford  <>

	* config/mips/ (*mov<mode>_ra): Name previously unnamed MIPS16
	$31 store insns.  Redefine using :GPR.

2004-08-23  Richard Sandiford  <>

	* config/mips/ (P): New mode macro.
	(*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
	(*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
	Add mode attributes.

2004-08-23  Richard Sandiford  <>

	* config/mips/ (UNSPEC_[LS][WD][LR]): Delete in favor of...
	(UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
	later constants to cover the gap.
	(load, store): New mode attributes.
	(mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
	Use new unspec constants.

2004-08-23  Richard Sandiford  <>

	* config/mips/ (one_cmpl[sd]i2): Redefine using :GPR.
	(and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
	to use register_operand rather than uns_arith_operand as the predicate
	for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
	(*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
	Redefine using :GPR.  Make same predicate change here.  Extend the
	commutativity of operands 1 and 2 from the SImode version to the
	DImode one.
	(*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
	but with no predicate changes.
	(*nor[sd]i3): Redefine using :GPR.

2004-08-23  Zdenek Dvorak  <>

	* tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
	noreturn functions.

2004-08-23  Richard Sandiford  <>

	* config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
	* config/mips/ (abs[sd]i2): Redefine using :GPR.  Only use
	branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
	rather than "%z2" (with a fake const0_rtx for operand 2).
	(ffs[sd]i2): Redefine using :GPR.
	(clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.

2004-08-23  Richard Sandiford  <>

	* config/mips/ ({,u}divmod[sd]i4): Redefine using :GPR.

2004-08-23  Richard Sandiford  <>

	* config/mips/ (any_extend): New code macro.
	(u, su): New code attributes.
	({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
	({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
	({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
	(*{s,u}mul_acc_di): Redefine using any_extend.
	(*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
	to reflect real insn names.
	(*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
	with an any_extend template.
	({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
	Add '*' to name.

2004-08-23  Richard Sandiford  <>

	* config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
	* config/mips/ (mul[sd]i3, mul[sd]i3_internal)
	(mul[sd]i3_r4000): Redefine using :GPR.
	(mulsi3_mult3): Don't check TARGET_MAD separately.
	(muldi3_mult3): Moved after mulsi_mult3.

2004-08-23  Richard Sandiford  <>

	* config.gcc (mips-*-*): Remove definitions of MASK_GAS and
	OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
	* config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
	(TARGET_GPWORD): Define to true for n32 on IRIX.
	(TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
	(GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
	(MDEBUG_ASM_SPEC): Delete, folding into...
	(ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
	(EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
	subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
	to define asm_abi_default_spec.
	* config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
	for non-mips16 code, removing previous workaround for SGI assemblers.
	(TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
	(TARGET_ASM_ALIGNED_DI_OP): Define this instead.
	(override_options): Remove !TARGET_GAS and !have_named_sections code.
	(print_operand): Fold TARGET_GAS conditionals into asm strings.
	(mips_output_filename): Remove !TARGET_GAS code.  Replace use of
	(mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
	(mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
	(mips_output_function_prologue): Remove !TARGET_GAS code.
	(mips_select_rtx_section): Remove !have_named_sections code.
	(mips_select_section): Delete.
	* config/mips/ (trap): Remove !TARGET_GAS check.
	* config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
	* config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
	* config/mips/vxworks.h (ASM_SPEC): As for mips.h.
	* config/mips/windiss.h (ASM_SPEC): Likewise.

2004-08-23  Richard Sandiford  <>

	* read-rtl.c (map_value, mapping, macro_group): New structures.
	(BELLWETHER_CODE): New macro.
	(modes, codes, bellwether_codes): New variables.
	(find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
	(uses_code_macro_p, apply_code_macro, apply_macro_to_string)
	(apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
	(add_condition_to_rtx, apply_macro_traverse, add_mapping)
	(add_map_value, initialize_macros): New functions.
	(def_hash, def_hash_eq_p): Generalize to anything that points to,
	or starts with, a char * field.
	(find_macro, read_mapping, check_code_macro): New functions.
	(read_rtx_1): New, split out from read_rtx.  Handle the new
	define_{mode,code}_{macro,attr} constructs.  Use find_macro
	to parse the name of a code or mode.  Use BELLWETHER_CODE to
	extract the format and to choose a suitable code for rtx_alloc.
	Modify recursive invocations to use read_rtx_1.
	(read_rtx): Call initialize_macros.  Apply code and mode macros
	to the rtx returned by read_rtx_1.  Cache everything after the
	first macro expansion for subsequent read_rtx calls.
	* doc/md.texi: Document new .md constructs.
	* config/mips/ (GPR): New mode macro.
	(d, si8_di5): New mode attributes.
	(any_cond): New code macro.
	(add[sd]i3): Redefine using :GPR.
	(*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
	(*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
	previously unnamed MIPS16 patterns.
	(*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
	lines.  Don't match (plus (const_int 0) ...).
	(*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
	Use a define_split to generate the addition.
	(sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
	(subsi3_internal): Delete.
	(*subsi3_extended): Renamed from subsi3_internal_2.
	(bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
	(beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
	using an any_cond template.

2004-08-23  Richard Sandiford  <>

	* read-rtl.c (read_rtx): Tidy use of format_ptr.

2004-08-23  Richard Sandiford  <>

	* read-rtl.c (string_obstack): New file-scope variable.
	(read_string, read_quoted_string, read_braced_string)
	(read_escape): Remove obstack parameter and use string_obstack instead.
	(read_rtx): Remove function-local rtl_obstack and initialize
	string_obstack instead.  Update call to read_string.

2004-08-22  Andrew Pinski  <>

	PR c/15262
	* c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
	expression is not constant.
	(c_finish_return): Do not go through INDIRECT_REF when looking
	for the inner expression of an ADDR_EXPR for warning about.

2004-08-22  Richard Henderson  <>

	PR 17075
	* cfgexpand.c (expand_gimple_tailcall): Detect when we can both
	create new blocks and fall through.
	(expand_gimple_basic_block): Update to match.

2004-08-22  Ulrich Weigand  <>

	* reload.c (find_reloads_address): Make return value tri-state.
	Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
	(find_reloads): Assume that reloaded addresses match 'o' or
	EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
	returned 1 (not -1).  Omit optional reloads for address operands
	only if find_reloads_address returned 1 (not -1).

	* config/s390/s390.c (legitimize_reload_address): New function.
	* config/s390/s390-protos.h (legitimize_reload_address): Declare.
	* config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call

2004-08-22  Richard Hendersion  <>

	* tree.h (SAVE_EXPR_RESOLVED_P): New.
	* gimplify.c (gimplify_save_expr): Use it.
	* expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
	on the temporary variable.

2004-08-22  Andrew Pinski  <>

	* fold-const.c (rtl_expr_nonnegative_p): Delete.
	* tree.h (rtl_expr_nonnegative_p): Remove.

2004-08-22  Steven Bosscher  <>

	* config/i386/ (ppro_complex_insn): Add missing check
	for cpu==pentiumpro.

	* combine.c (struct reg_stat): Fix comment typo.

2004-08-22  Joseph S. Myers  <>

	* c-tree.h (c_sizeof_nowarn): Remove.

2004-08-21  Joseph S. Myers  <>

	* c-decl.c (set_array_declarator_type): Rename to
	(build_c_parm, build_attrs_declarator, build_function_declarator):
	New functions.
	(make_pointer_declarator): Call build_attrs_declarator.
	* c-tree.h (set_array_declarator_type): Rename to
	(build_c_parm, build_attrs_declarator, build_function_declarator):
	New prototypes.
	* (after_type_declarator,
	parm_declarator_starttypename, parm_declarator_nostarttypename,
	notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
	firstparm): Use these functions

2004-08-21  Joseph S. Myers  <>

	* c-decl.c (build_array_declarator, set_array_declarator_type,
	start_decl, grokdeclarator, grokparms): Change boolean parameters
	to type bool.
	* c-tree.h (build_array_declarator, set_array_declarator_type,
	start_decl): Update prototypes.
	* c-decl.c, All callers changed.

2004-08-21  Mike Stump  <>

	* config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.
	* config/darwin.h (SUBTARGET_OPTIONS):, to fix -mone-byte-bool.
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.

2004-08-21  Danny Smith  <>

	PR  c++/16030
	* config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
	Remove, merging into ...
	(gen_stdcall_or_fastcall_suffix): New function, returning tree
	rather than const char*, and accepting additional parameter.
	Don't add suffix to '*'-prefixed symbols or variadic functions.
	(i386_pe_encode_section_info): Adjust for call to new function.
	Call change_decl_assembler_name.

2004-08-20  Mike Stump  <>

	* config/darwin.c (machopic_indirect_data_reference): Mark
	stubs as defined.
	* config/386/386.c (darwin_local_data_pic): Add.
	(legitimate_constant_p): Reorder so that PLUS handling runs
	before darwin_local_data_pic to match the ordering in
	legitimate_pic_address_disp_p and so that MINUS runs after
	darwin_local_data_pic as otherwise the darwin_local_data_pic
	logic can be skipped, which would be very bad.
	(legitimate_pic_address_disp_p): Move from from here to
	darwin_local_data_pic so it can be reused.

2004-08-21  Alan Modra  <>

	* config/rs6000/linux64.h (DOT_SYMBOLS): Define.
	(RS6000_ABI_NAME): Define as "linux".
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
	ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
	* config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
	* config/rs6000/rs6000.c (dot_symbols): New global var.
	(rs6000_output_function_entry): New function, modified for
	(print_operand <case 'z'>): ..extracted from here.
	(rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
	(rs6000_output_function_epilogue): Likewise.
	(rs6000_elf_declare_function_name): Likewise.
	* config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
	* configure: Regenerate.
	* Regenerate.

2004-08-20  Mark Mitchell  <>

	* reload.c (find_reloads_address): Fix thinko in previous change.

	* reload.c (find_reloads_address): Reload the sum of a LO_SUM and

2004-08-20  Jakub Jelinek  <>

	PR rtl-optimization/17099
	* combine.c (force_to_mode): Check if inner_mask has any bits set
	outside of GET_MODE (x) instead of op_mode.

2004-08-20  Mark Mitchell  <>

	* config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
	* config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
	(SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
	* config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
	(SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
	* config/arm/t-symbian: New file.

2004-08-20  Andrew Pinski  <>

	* regrename.c (kill_value_regno): ANSIfy.

2004-08-20  Dale Johannesen  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.

2004-08-20  Daniel Jacobowitz  <>

	* regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
	(kill_value_regno): New function, derived from kill_value.
	(kill_value): Update.
	(copyprop_hardreg_forward_1): Update call to kill_value_regno.

2004-08-20  Daniel Berlin  <>

	Fix PR tree-optimization/17111
	* tree-ssa-pre.c (create_value_expr_from): Don't change the types
	of non-value_handles.
	(bitmap_set_contains): All constants are in every set.

2004-08-20  Nathan Sidwell  <>

	* fold-const.c (round_up, round_down): Use build_int_cst.
	Optimize common case.

2004-08-20  Zack Weinberg  <>
	    John David Anglin  <>

	* config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
	one_only_data_section): Rename to som_readonly_data_section,
	som_one_only_readonly_data_section and som_one_only_data_section.
	* config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
	conditional defines.
	(som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
	string values.
	(pa_select_section): Use renamed section functions.
	Define here ...
	* config/pa/som.h: ... not here.
	(READONLY_DATA_SECTION): Use som_readonly_data_section.

2004-08-20  Nathan Sidwell  <>

	* fold-const.c (int_const_binop): Don't generate non-overflowing
	size-types specially.
	(fold_convert_const): Likewise.

	* stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
	clear cache on copied sizetype.

2004-08-20  Ben Elliston  <>

	* Don't escape apostrophe in --enable-coverage help.
	* configure: Regenerate.

2004-08-20  Danny Smith  <>

	PR 5620
	* gcc.c (struct stat input_stat): Don't define if
	(do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
	than stat to determine if temp file is same as input file.
	* doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
	* config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS

2004-08-20  Richard Sandiford  <>

	* (mips*-*-*): Print an error if not using GAS.
	* configure: Regenerated.
	* doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
	comments about buggy MIPSpro assemblers.
	* config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
	before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
	Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
	IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
	* config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
	of more general IRIX 6 definitions.
	(HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
	(SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
	(LINK_SPEC): Move most of definition to iris.h.
	(IRIX_STARTFILE_SPEC): Fold into...
	(IRIX_ENDFILE_SPEC): Fold into...
	* config/mips/iris6.h (TARGET_IRIX5): Remove override.
	(TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
	(ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
	(TARGET_IRIX6): Define to 1.
	(DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
	(IRIX_STARTFILE_SPEC): Fold into...
	(STARTFILE_SPEC):  Remove !mabi=* case.
	(LIB_SPEC): Remove !mabi=* case.
	(IRIX_ENDFILE_SPEC): Fold into...
	(ENDFILE_SPEC):  Remove !mabi=* case.
	* config/mips/mips-protos.h (irix_output_external_libcall): Delete.
	* config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
	(TARGET_IRIX6): New macro.
	(ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
	(mips_build_builtin_va_list): Check TARGET_IRIX6.
	(override_options): Remove TARGET_SGI_O32_AS-related code.
	(irix_output_external_libcall): Make static.
	(mips_output_filename): Avoid use of SET_FILE_NUMBER and
	(mips_file_start): Tidy guard for ABI sections.  Remove use of
	ABICALLS_ASM_OP; use .abicalls instead.
	(mips_output_aligned_decl_common, mips_declare_object_name)
	(mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
	(mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
	.globl foo .text directives.
	(irix_asm_named_section_1, irix_asm_named_section)
	(irix_section_align_entry, irix_section_align_htab)
	(irix_orig_asm_out_file, irix_section_align_entry_eq)
	(irix_section_align_entry_hash, irix_asm_output_align)
	(irix_file_start, irix_section_align_1, copy_file_data)
	(irix_file_end, irix_section_type_flags): Delete.
	* config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
	Use standard section syntax.  Remove protective "jr $31".
	(__gcc_fini): Likewise .gcc_fini.
	* config/mips/irix-crtn.asm: Adjust sections accordingly.
	* config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
	* config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
	from t-irix-gld.
	* config/mips/t-iris6: Remove bogus comment.
	* config/mips/iris5gas.h, config/mips/iris5gld.h,
	config/mips/iris6gas.h, config/mips/iris6gld.h,
	config/mips/t-iris5-as, config/mips/t-iris5-gas
	config/mips/t-irix-gld: Delete.
	* config/mips/iris.h: New file.
	* config/mips/t-slibgcc-irix: Renamed from t-iris5-6.

2004-08-20  Richard Earnshaw  <>

	* postreload.c (reload_cse_move2add): Allow any condjump, but check
	that the implicit set isn't clobbered in the jump insn.

2004-08-19  Mark Mitchell  <>

	* defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
	* optabs.c (init_optabs): Don't check it.
	* config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
	* doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.

2004-08-18  Andreas Krebbel  <>

	* config/s390/ (s390_warn_framesize_string)
	(s390_warn_dynamic_string, s390_stack_size_string)
	(s390_stack_guard_string): New global string variables.
	(s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
	(s390_stack_guard): New global variables.
	(override_options): Added checks for the new options.
	(s390_emit_prologue): Emit stack check and trap code and perform
	compile time stack size checking.

	* config/s390/s390.h (TARGET_OPTIONS): Added new options
	"warn-framesize", "warn-dynamicstack", "stack-size" and

	* doc/invoke.texi: Added documentation for the new options.

2004-08-19  Ulrich Weigand  <>

	* unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
	to eliminate warning.
	(linear_search_fdes): Declare p as unsigned.
	(binary_search_mixed_encoding_fdes): Likewise.
	* unwind-dw2.c (get_cie_encoding): Cast argument to strlen
	to eliminate warning.
	* config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
	type cast.

2004-08-19  Ulrich Weigand  <>

	* config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
	* config/s390/s390.c (preferred_la_operand_p): Accept two operands
	instead of one.  Check for strictly legitimate address.
	* config/s390/ ("*la_31"/"*la_64" peepholes): Adapt call
	to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.

2004-08-19  Eric Christopher  <>

	* langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
	* langhooks.h (unsave_expr_now): Ditto.
	* tree.h (unsave_expr_1): Remove prototype.
	(lhd_unsave_expr_now): Rename to unsave_expr_now.
	* tree-inline.c (unsave_expr_1): Move here
	from tree.c. Make static.
	(unsave_expr_now): Rename from lhd_unsave_expr_now.
	* tree-sra.c: Fix up for rename.
	* tree-ssa-copy.c: Ditto.
	* tree-eh.c: Ditto.
	* tree.c (unsave_expr_1): Move to tree-inline.c.

2004-08-19  Caroline Tice  <>

	* config/i386/cygming.h (switch_to_section): Fix typo (change
	in_unlikely_text_section to in_unlikely_executed_text).

2004-08-19  Daniel Berlin  <>

	* vec.h (VEC_lower_bound): New macro.

2004-08-19  Richard Sandiford  <>

	PR target/16446
	* config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
	(mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
	treat each ABI separately.  Deal with n32/n64 complex float arguments.
	(function_arg): Add associated complex handling here.

2004-08-19  Richard Henderson  <>

	* config/arm/arm.c (arm_gen_load_multiple): Use
	adjust_automodify_address.  Take base memory and offset instead
	of unchanging/struct/scalar bits.
	(arm_gen_store_multiple): Likewise.
	(arm_gen_movmemqi): Use adjust_automodify_address.
	* config/arm/arm-protos.h: Update decls.
	* config/arm/ (load_multiple): Update arm_gen_load_multiple call.
	(store_multiple): Similarly.

2004-08-19  J"orn Rennecke <>

	* regclass.c (globalize_reg): Update call_really_used_regs.

2004-08-19  Nathan Sidwell  <>

	* doc/invoke.texi (integer-share-limit): Document.

	* tree.h (TYPE_CACHED_VALUES_P): New.
	* tree.def (INTEGER_CST): Update documentation.
	* tree.c: Inlcude params.h.
	(build_int_cst): Cache small values.
	(build_type_copy): Do not copy the value cache.
	* c-common.c (c_common_nodes_and_builtins): Add comment, remove
	unneeded zeroing.
	* c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
	* expmed.c (const_mult_add_overflow_p): Clear type copy's value
	* fold-const.c (force_fit_type): Copy value when setting
	(int_const_binop): Likewise.
	* stor-layout.c: Include params.h
	(set_sizetype): Create values cache.
	(fixup_unsigned_type): Set UNSIGNED_P before caching any values.
	* params.def (PARAM_INTEGER_SHARE_LIMIT): New.
	* params.h (INTEGER_SHARE_LIMIT): New.
	* (tree.o, stor-layout.o): Depend on PARAMS_H.

2004-08-19  Paolo Bonzini  <>

	* gimplify.c (gimplify_minimax_expr): Remove.
	(gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.

2004-08-19  Dorit Naishlos  <>

	* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace

2004-08-19  Mark Mitchell  <>

	* bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.

2004-08-18  Andrew Pinski  <>

	* varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.

2004-08-18  Mark Mitchell  <>

	* config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
	(__aeabi_ul2f): Likewise.

2004-08-18  Richard Henderson  <>

	* config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
	move to rtl completely.
	(struct meminsnbuf, xtensa_emit_block_move): Remove.
	(xtensa_find_mode_for_size): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
	* config/xtensa/ (movmemsi_internal): Remove.

2004-08-18  Richard Henderson  <>

	* config/mcore/mcore.c (mode_from_align): Remove DImode.
	(block_move_sequence): Rewrite to use adjust_address.
	(mcore_expand_block_move): Cleanup logic.  Accept only operands.
	Return boolean indicating success/failure.
	* config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
	* config/mcore/ (movmemsi): Update to match.

2004-08-18  Mike Stump  <>

	* doc/invoke.texi (-mfix-and-continue): Add support for
	fast turn around debugging.
	(-ffix-and-continue): Likewise.
	(-mindirect-data): Likewise.
	(-findirect-data): Likewise.
	* config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
	(indirect_data): Likewise.
	(machopic_data_defined_p): Likewise.
	(machopic_output_indirection): Likewise.
	(darwin_encode_section_info): Likewise.
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.
	* config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
	(darwin_fix_and_continue): Likewise.
	(darwin_fix_and_continue_switch): Likewise.
	* config/rs6000.c (rs6000_emit_prologue): Likewise.

2004-08-19  Steven Bosscher  <>

	* basic-block.h (struct edge_def): Remove crossing_edge.
	(EDGE_CROSSING): New define.
	(EDGE_ALL_FLAGS): Update.
	* bb-reorder.c (find_traces_1_round, better_edge_p,
	find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
	find_jump_block, fix_crossing_conditional_branches,
	fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
	Replace all occurences of crossing_edge with an edge flag check
	or set/reset.
	* cfgcleanup.c (try_simplify_condjump, try_forward_edges,
	try_crossjump_bb): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect,
	commit_one_edge_insertion): Likewise.

	* (cfganal.o): Depend on TIMEVAR_H.
	* tree-flow.h (compute_dominance_frontiers): Move prototype...
	* basic-block.h:
	* tree-cfg.c (compute_dominance_frontiers_1,
	compute_dominance_frontiers): Move from here...
	* cfganal.c: here.  Include timevar.h.

2004-08-18  James E Wilson  <>

	* config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
	* config/mips/ (ir_sb1_divsf_1pipe): Renamed from ...1pipes.

	* config/mips/ (type): Add frdiv.
	(divsf3+1, divsf3+2): Change type to frdiv.
	* config/mips/ (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
	ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.

	* config/mips/ (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
	* config/mips/ (r4300_fdiv_single, r4300_fdiv_double): Likewise.
	* config/mips/ (r4600_fdiv_single, f4600_fdiv_double): Likewise.
	* config/mips/ (r5k_fdiv_single): Likewise.
	* config/mips/ (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
	* config/mips/ (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
	* config/mips/ (r6k_fdiv_single, r6k_fdiv_double): Likewise.
	* config/mips/ (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
	* config/mips/ (rm8k_fdivs, rm9k_fdivd): Likewise.
	* config/mips/ (generic_fdiv_single, generic_fdiv_double):
	* config/mips/ (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.

2004-08-18  Robert Bowdidge <>

	* config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
	get regression tester working again.

2004-08-18  Zack Weinberg  <>

	* insn-notes.def, reg-notes.def: New files.
	* rtl.h: Use them to define enum insn_note and enum reg_note.
	* rtl.c: Use them to define note_insn_name and reg_note_name.
	* (RTL_BASE_H): Update.

	* modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK

2004-08-18  Richard Earnshaw  <>

	* arm.c (arm_size_rtx_costs): New function.
	(arm_override_options): Use it if optimizing for space.

2004-08-18  Richard Henderson  <>

	* emit-rtl.c (gen_const_mem): New.
	* rtl.h (gen_const_mem): Declare.
	* expr.c (do_tablejump): Use it.
	* varasm.c (force_const_mem): Likewise.
	* config/darwin.c (machopic_indirect_data_reference): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	* config/arm/arm.c (legitimize_pic_address): Likewise.
	* config/i386/i386.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
	* config/ia64/ (load_fptr): Likewise.
	* config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
	(rs6000_emit_move): Likewise.
	* config/s390/s390.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/s390/ (casesi): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.
	* config/sparc/sparc.c (legitimize_pic_address): Likewise.
	* config/v850/ (casesi): Likewise.

	* config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
	* config/sh/sh.c (prepare_move_operands): Remove incorrect

2004-08-18  Steven Bosscher  <>

	* (OBJS-common): Add postreload-gcse.c.
	Add new postreload-gcse.o.
	* cse.c (SAFE_HASH): Define as wrapper around safe_hash.
	(lookup_as_function, insert, rehash_using_reg, use_related_value,
	equiv_constant): Use SAFE_HASH instead of safe_hash.
	(exp_equiv_p): Export.  Add for_gcse argument when comparing
	for GCSE.
	(lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
	find_comparison_args, fold_rtx, cse_insn): Update callers.
	(hash_rtx): New function derived from old canon_hash and bits
	from gcse.c hash_expr_1.
	(canon_hash_string): Rename to hash_rtx_string.
	(canon_hash, safe_hash): Make static inline.  Call hash_rtx.
	* cselib.c (hash_rtx): Rename to cselib_hash_rtx.
	(cselib_lookup): Update this caller.
	* gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
	Make static.
	(hash_expr): Call hash_rtx.
	(ldst_entry): Likewise.
	(expr_equiv_p): Call exp_equiv_p.
	(struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
	reg_used_on_edge, reg_set_between_after_reload_p,
	reg_used_between_after_reload_p, get_avail_load_store_reg,
	is_jump_table_basic_block, bb_has_well_behaved_predecessors,
	get_bb_avail_insn, hash_scan_set_after_reload,
	eliminate_partially_redundant_loads, gcse_after_reload,
	get_bb_avail_insn, gcse_after_reload_main): Remove.
	* postreload-gcse.c: New file, reincarnating most of the above.
	* rtl.h (exp_equiv_p, hash_rtx): New prototypes.
	(gcse_after_reload_main): Update prototype.
	* timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
	* passes.c (rest_of_handle_gcse2): Use it.

2004-08-18  Diego Novillo  <>

	* tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
	(pass_loop_done): Likewise.

2004-08-18  Andrew Pinski  <>

	* config/rs6000/ Delete the altivec patterns which are
	handled differently now.
	(load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
	(macho_correct_pic_di): Likewise.
	(call_indirect_nonlocal_darwin64): Likewise.
	Delete the save world/saveFP/saveVec patterns.

	Revert the reversion of: 2004-08-16  Stan Shebs  <>
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	* config/rs6000/ Include
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
	Darwin bits.

2004-08-18  Matt Austern  <>

	Dead code stripping
	* darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
	* darwin.c (darwin_file_end): Mark file as potentially strippable.

2004-08-18  Richard Henderson  <>

	* alias.c (readonly_fields_p): Remove.
	(objects_must_conflict_p): Don't call it.
	* tree.h (readonly_fields_p): Remove.
	* langhooks.h (struct lang_hooks): Remove honor_readonly.
	* langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.

2004-08-18  Diego Novillo  <>

	* tree-dfa.c (add_referenced_var): Only global variables are
	* tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
	* tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
	all pointers dereferenced if the statement dereferences them.
	(create_name_tags): Do not create memory tags for pointers
	that have PT_ANYTHING set.
	Also check if PT_VARS is not empty before creating a name tag.
	(compute_flow_sensitive_aliasing): Don't mark call-clobbered
	variables that share the same alias set with a pointer that
	may point anywhere.
	(add_may_alias): Add FIXME comment to remove clobbering
	aliased variables and tags.
	(replace_may_alias): Likewise.
	(set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
	(merge_pointed_to_info): If the original variable has not
	points-to information, call set_pt_anything.
	(add_pointed_to_var): Do not prevent adding a pointed-to
	variable if the pointers is PT_ANYTHING.
	If the variable is a global, set PT_GLOBAL_MEM.
	(collect_points_to_info_r): Don't assume that PLUS_EXPRs of
	pointer type only come in PTR+OFFSET flavours.
	Always call merge_pointed_to_info on PHI arguments that are
	(get_nmt_for): Mark call-clobbered tags whose pointer points
	to global memory.
	* tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
	(get_indirect_ref_operands): Always clear OPF_KILL_DEF from
	(add_stmt_operand): Abort if the caller tried to add a killing
	definition for a memory tag.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Remove
	unnecessary checks.

2004-08-18  J"orn Rennecke <>

	* sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
	from call_used_regs.  Update call_really_used_regs.
	* sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
	Replace call_used_regs with call_really_used_regs.
	(calc_live_regs, sh_media_register_for_return): Likewise.
	(sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
	* (return_media): Likewise.

2004-08-18  Andrew Pinski  <>

	* config/darwin.c (machopic_legitimize_pic_address): Only set
	MEM_READONLY_P in the non TARGET_TOC case.

2004-08-18  Zack Weinberg  <>

	* rtl.def (NIL): Delete.
	* read-rtl.c (read_rtx): Handle (nil) like (define_constants).
	Tighten the syntax a little.

	* cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
	* config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
	* config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
	* config/i386/, config/m32r/m32r.h
	* config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
	* config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
	* config/sparc/sparc.h, doc/tm.texi:
	Replace all occurrences of NIL with UNKNOWN.

2004-08-18  Zack Weinberg  <>

	* dojump.c (do_jump <unordered_bcc>): Do not recursively call
	self with a TRUTH_ORIF_EXPR; generate the appropriate jump
	sequence inline.  Move drop_through_label code into this
	block, being the only place it is used.  Adjust comments.

2004-08-18  Fariborz Jahanian <>

	* config/rs6000/ Add new patterns for calls to
	save_world/rest_world functions.

	* config/rs6000/rs6000-protos.h: (save_world_operation,
	restore_world_operation) new declarations.

	* config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
	field added.
	(rs6000_stack_info): Set world_save_p field.
	(save_world_operation): New function.
	(restore_world_operation): New function.
	(compute_save_world_info): New function.
	(rs6000_stack_info): Call compute_save_world_info.
	(rs6000_emit_prologue): Check for world_save_p and generate
	pattern to call save_world for saving all non-volatile and
	special registers.
	(rs6000_emit_epilogue): Check for world_save_p and generate
	pattern to call rest_world to restore saved registers.

	config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
	(rs6000_reg_names): New entries added for save_world_operation and

2004-08-18  Caroline Tice  <>

	"-freorder-blocks-and-partition" to the flags used in second
	stage of profiledbootstrap.
	* bb-reorder.c (push_to_next_round_p): Add new variable,
	next_round_is_last; set and use variable to make sure, when
	partitioning, that the last trace construction round consists
	of all (and only) cold basic blocks.
	(rotate_loop): Don't copy blocks that end in a section
	crossing jump.
	(copy_bb): Correctly initialize "partition" of duplicated bb.
	(add_unlikely_executed_notes): Add a comment.
	(find_rarely_executed_basic_blocks_and_crossing_edges): Modify
	to make sure, if function contains hot blocks, that the
	successors of ENTRY_BLOCK_PTR are hot; also, only look for
	crossing edges if the architecture supports named sections.
	(mark_bb_for_unlikely_executed_section): Modify to always
	insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
	the basic block note insn.
	(fix_crossing_unconditional_branches): Remove extra space.
	(fix_edges_for_rarely_executed_code): Modify to only do
	partitioning work if the architecture supports named sections.
	(reorder_basic_blocks): Modify to only add
	NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
	supports named sections.
	* c-common.c (handle_section_attribute): Initialize new global
	variable, user_defined_section_attribute, to true if user has
	specified one.
	* cfgcleanup.c (try_forward_edges): Modify to not attempt to
	forward edges that cross section boundaries.
	* cfglayout.c (fixup_reorder_chain): Modify to only fix up
	partitioning information if the architecture supports named
	* cfgrtl.c (target.h): Add statement to include this.
	(rtl_split_block): Make sure newly created bb gets correct
	(try_redirect_by_replacing_jump): Make sure redirection isn't
	attempting to cross section boundaries.
	(force_nonfallthru_and_redirect): Only do partition fix up if
	architecture supports named sections.
	(rtl_split_edge): Make sure newly created bb ends up in
	correct partition.
	(commit_one_edge_insertion): Remove code that incorrectly
	updated basic block partition; Make sure partition fix up only
	happens if architecture supports named sections and it's not
	already done.
	(rtl_verify_flow_info_1): Fix if-condition on test/error
	condition that fallthru edges are not allowed to cross section
	* defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
	* final.c (final_scan_insn): Remove redundant test from if-statement;
	change calls to text_section into calls to function_section; add code
	to only to partitioning fix up if architecture supports named
	* ifcvt.c (find_if_case_1): Make sure newly created bb has correct
	(if_convert): Add targetm.have_named_sections to test.
	* output.h (unlikely_section_label): Extern declaration for new global
	(unlikely_text_section_name): Likewise.
	* opts.c (decode_options): If both partitioning and DWARF debugging
	are turned on, issue a warning that this doesn't work, and change
	partitiong to basic block reordering (without hot/cold partitions).
	* passes.c (rest_of_handle_final): Re-set new global variable,
	user_defined_section_attribute, to false.
	(rest_of_compilation): Change options for calling partitioning
	function: Don't call if the user defined the section attribute, and
	don't call if DECL_ONE_ONLY is true for the current function.
	* predict.c (choose_function_section): Return immediately if we
	are doing hot/cold partitioning (i.e. let the basic block partitioning
	determine where the function belongs).
	* reg-stack.c (emit_swap_insn): Add condition to step over
	* toplev.c (user_defined_section_attribute): New global variable.
	* toplev.h (user_defined_section_attribute): Extern declaration
	for new global variable.
	* varasm.c (unlikely_section_label): New global variable.
	(unlikely_text_section_name): New global variable.
	(unlikely_text_section): Add code to initialize
	unlikely_text_section_name if necessary; modify to use
	unlikely_text_section_name and unlikely_section_label; also to use
	named_section properly.
	(in_unlikely_text_section): Modify to work correctly with
	named_section and to use unlikely_text_section_name.
	(named_section): Add code to work properly with cold section.
	(function_section): Clean up if-statement.
	* config/darwin.c (darwin_asm_named_section): Return to original
	code, removing use of SECTION_FORMAT_STRING.
	* config/arm/pe.h (switch_to_section): Add case for
	in_unlikely_executed_text to switch statement.
	* config/i386/cygming.h (switch_to_section): Likewise.
	* config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
	* config/mcore/mcore.h (switch_to_section): Likewise.
	* config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.

2004-08-18  Roger Sayle  <>

	* config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
	-ffixed-reg safe, by preserving the meanings of zero and one.
	(CONDITIONAL_REGISTER_USAGE): Update to process new encodings.

2004-08-18  Kaz Kojima  <>

	* config/sh/sh.c (split_branches): Check the result of
	(sh_output_mi_thunk): Call init_flow if basic_block_info is null.
	Call rtl_register_cfg_hooks.

2004-08-18  Richard Henderson  <>

	* alias.c (true_dependence): Update to match new semantics.
	(canon_true_dependence, write_dependence_p): Likewise.
	(anti_dependence, output_dependence): Update write_dependence_p args.
	(unchanging_anti_dependence): Remove.
	* calls.c (purge_mem_unchanging_flag): Remove.
	(fixup_tail_calls): Don't call it.
	(expand_call): Don't add unchanging memory to function usage.
	* expr.c (emit_block_move_via_libcall): Likewise.
	(clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
	(get_subtarget): Don't use RTX_UNCHANGING_P.
	(expand_assignment, store_constructor, expand_expr_real_1): Likewise.
	(do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
	* combine.c (get_last_value_validate): Use MEM_READONLY_P.
	* cse.c (insert): Don't use RTX_UNCHANGING_P.
	(cse_insn, canon_hash): Use MEM_READONLY_P.
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
	instead of RTX_UNCHANGING_P.
	* explow.c (maybe_set_unchanging): Remove.
	* expr.h (maybe_set_unchanging): Remove.
	* flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
	* function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
	(assign_parm_setup_reg, expand_function_start): Likewise.
	* integrate.c (copy_rtx_and_substitute): Likewise.
	* ra-rewrite.c (emit_colors): Likewise.
	* regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
	(fixup_match_1): Likewise.
	* reload1.c (reload, alter_reg): Likewise.
	* local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
	(equiv_init_varies_p): Likewise.
	* loop-invariant.c (check_maybe_invariant): Likewise.
	* resource.c (mark_referenced_resources, mark_set_resources): Likewise.
	* loop.c (note_addr_stored): Likewise.
	(prescan_loop): Likewise. Don't check function usage for clobbered
	unchanging memory.
	* rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
	(rtx_varies_p, modified_between_p, modified_in_p): Likewise.
	* varasm.c (force_const_mem): Likewise.
	* stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
	* web.c (entry_register): Likewise.
	* tree-gimple.h (get_base_address): Move decl ...
	* tree.h: ... here.
	* doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.

	* config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
	called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
	(alpha_set_memflags): Update to match.

	* config/darwin.c (machopic_indirect_data_reference): Set
	(machopic_indirect_call_target): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	* config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
	arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
	* config/arm/ (load_multiple, store_multiple): Likewise.
	* config/frv/ (symGOT2reg): Likewise.
	* config/i386/i386.c (legitimize_pic_address,
	legitimize_tls_address, ix86_split_to_parts): Likewise.
	* config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
	* config/ia64/ (load_fptr): Likewise.
	* config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
	* config/m68k/m68k.c (legitimize_pic_address): Likewise.
	* config/mcore/mcore.c (block_move_sequence): Likewise.
	* config/mn10300/ (symGOT2reg): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
	(rs6000_emit_move): Likewise.
	* config/s390/s390.c (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	* config/s390/ (casesi): Likewise.
	* config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
	* config/sh/ (symGOT2reg): Likewise.
	* config/sparc/sparc.c (legitimize_pic_address): Likewise.
	* config/v850/ (casesi): Likewise.

	* config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
	* config/iq2000/iq2000.c (save_restore_insns): Likewise.
	* config/mips/mips.c (mips_restore_gp): Likewise.
	(mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.

2004-08-18  Richard Henderson  <>

	* tree.h (struct tree_decl): Add gimple_formal_temp.
	* gimplify.c (pop_gimplify_context): Clear it.
	(lookup_tmp_var): Set it, if is_formal.
	(gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
	Use is_gimple_val for VECTOR.  Simplify return value.
	(gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
	(gimplify_expr): Likewise.
	* tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
	is_gimple_tmp_rhs for clarity.  Update all callers.
	(is_gimple_reg_rhs): Simplify logic.
	(is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
	(is_gimple_formal_tmp_reg): Similarly.
	* tree-gimple.h: Update decls.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
	DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
	* tree-ssa-live.c (var_union, type_var_init): Likewise.

2004-08-18  Paolo Bonzini  <>

	* c4x.c (legitimize_operands): Remove calls to

2004-08-18  David Edelsohn  <>

	* varasm.c (MAX_OFILE_ALIGNMENT): Move ...
	* defaults.h (MAX_OFILE_ALIGNMENT): ... here.

2004-08-18  Ziemowit Laski  <>

	* gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
	Objective-C++ extensions.
	* gengtype.c (get_file_basename): Match entire subdirectory name
	('cp', 'objc', 'objcp') rather than just its suffix.
	(get_base_file_bitmap): Allow for files to belong to more than one
	(get_output_file_with_visibility): Treat objc/objc-act.h as a header
	used by more than one front-end.

2004-08-18  Richard Earnshaw  <>

	* (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
	avoid use of preserve_subexpressions_p.

2004-08-17  Richard Henderson  <>

	PR 17051
	* tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.

2004-08-17  DJ Delorie  <>

	* doc/extend.texi: Document new xstormy16 attribute.

	* config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
	(xstormy16_splittable_below100_or_register): New.
	(combine_bnp): New.
	(xstormy16_reorg): New.

	* config/stormy16/ (movqi_internal): Make name public.
	(movhi_internal): Likewise.
	(cbhranchhi): Likewise.
	(cbhranchhi_neg): Likewise.
	(andhi3): Only allow splittable below100 operands.
	(iorhi3): Likewise.
	(peephole2): New and/zero_extend->and peephole.
	(peephole2): New load/ior/save->set1 peephole.
	(peephole2): New load/and/save->clr1 peephole.
	(bclrx, bclrx2, bclr7, bclr15): New.
	(bsetx, bsetx2, bset7, bset15): New.

	* config/stormy16/stormy16.c (xstormy16_print_operand): Be more
	liberal about acceptable 'B' masks.

	* config/stormy16/stormy16-protos.h
	(xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
	xstormy16_below100_operand, xstormy16_below100_or_register,
	xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
	(PREDICATE_CODES): Add new predicates.

	* config/stormy16/stormy16.c
	(xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
	xstormy16_below100_operand, xstormy16_below100_or_register,
	xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
	(xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
	(xstormy16_legitimate_address_p): Allow below100 symbols.
	(xstormy16_extra_constraint_p): Add 'W' for below100 operands.
	(xstormy16_expand_move): Leave below100 operands as-is.
	(xstormy16_encode_section_info): Encode below100 symbols.
	(xstormy16_strip_name_encoding): New.
	(xstormy16_print_operand): Print 'b' as shift mask.
	(xstormy16_attribute_table): Add below100 attributes.
	(xstormy16_handle_below100_attribute): New.

	* config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
	(EXTRA_SECTION_FUNCTIONS): Define using the above.
	(ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.

	* config/stormy16/ (movqi_internal): Add below100 support.
	(movhi_internal): Add below100 support.
	(andhi3): Add below100 support.
	(iorhi3): Add below100 support.
	(iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.

2004-08-17  James E Wilson  <>

	* config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
	of VOIDmode for comparison code mode.
	* config/mips/ For conditional move patterns, use mode of
	first compare operand for comparison mode, instead of VOIDmode.

	* config/mips/ Add canonical nmadd and nmsub patterns for both
	normal and -ffast-math code.

2004-08-17  Mark Mitchell  <>

	PR c++/15871
	* doc/invoke.texi (-fkeep-inline-functions): Update documentation.

2004-08-17  Robert Bowdidge  <>

	* config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.

2004-08-17  Andreas Tobler  <>

	* config/rs6000/ (*call_nonlocal_darwin64): Add #else clause
	for non Darwin targets.
	(*call_value_nonlocal_darwin64): Likewise.

2004-08-17  Fariborz Jahanian <>

	* config/rs6000/rs6000.c (rs6000_function_value): Check for
	altivec mode for altivec return register.

2004-08-17  David Edelsohn  <>

	Revert 2004-08-16  Stan Shebs  <>
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	* config/rs6000/ Include
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
	Darwin bits.

2004-08-17  Dorit Naishlos  <>

	* tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
	* tree-vectorizer.h: New File: Same.
	* (tree-vectorizer.c, tree-vectorizer.h): Add new files.
	* common.opt (ftree-vectorize): New flag to enable vectorization.
	* timevar.def (TV_TREE_VECTORIZATION): New dump file for
	vectorization pass.
	* tree-data-ref.h (init_data_ref): Additional argument.
	(array_base_name_differ_p): Moved to tree-data-ref.c.
	* tree-data-ref.c (array_base_name_differ_p): Revised.
	(initialize_data_dependence_relation): Call array_base_name_differ_p
	with an extra argument.
	(analyze_all_data_dependences): Same.
	(init_data_ref): Additional argument is_read to set DR_IS_READ.
	* tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
	* tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
	* tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
	* tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
	vectorization pass.
	* tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
	(tree_ssa_loop_done): Call scev_finalize.
	(tree_vectorize): Define the new vectorization pass.
	* defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
	size of the vector they support (until support for multiple vector
	sizes is added to the vectorizer).
	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
	* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
	* invoke.texi (fdump-tree-vect, ftree-vectorize): Add

2004-08-17  Nathan Sidwell  <>

	* objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
	(generate_protocol_list, handle_impent): Likewise.

2004-08-17  Roger Sayle  <>

	* regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
	ensure that call_used_regs is a superset of both fixed_regs and

2004-08-17  Daniel Bornstein  <>

	PR target/17019
	* (addsi3_cbranch_scratch): Correct case labels.

2004-08-17  Paolo Bonzini  <>

	PR middle-end/17036
	* fold-const.c (fold): Check for integer operand when
	folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
	Pinski  <>.

2004-08-17  Paolo Bonzini  <>

	* Trust toplevel's notion of BISON/FLEX/MAKEINFO.
	No need to check if in a cross configuration.
	* configure: Regenerate.

	* calls.c (precompute_register_parameters):
	Inline preserve_subexpressions_p ().
	* expmed.c (expand_mult_const, emit_store_flag): Likewise.
	* optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
	* expr.c (get_subtarget): Likewise.
	* rtl.h (preserve_subexpressions_p): Remove.
	* stmt.c (preserve_subexpressions_p): Remove.

	* dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
	Abort on gimplified cases.

2004-08-16  James E Wilson  <>

	* tree.h (VECTOR_FLOAT_TYPE_P): New.
	(FLOAT_TYPE_P): Use it.
	* c-typeck.c (build_binary_op): After convert calls, check for
	check for ERROR_MARK operands.

2004-08-16  Zack Weinberg  <>

	(genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
	(genobjs static pattern rule): Remove %.c dependency.
	($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
	Rename rules; delete commands; fix dependencies.
	(mostlyclean): Do not delete temporary source copies.
	* Delete all references to BUILD_PREFIX and
	* configure: Regenerate.

	* print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
	Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
	basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
	with #ifndef GENERATOR_FILE so that nothing from those headers
	is used.

	* rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.

2004-08-16  Adam Nemet  <>

	* (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).

2004-08-16  Andrew Pinski  <>

	* target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
	extraneous semicolon.

2004-08-16  Devang Patel  <>

	* c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
	* print-tree.c (print_node): Print DECL_PRESERVE_P.
	* target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
	* target.h (struct gcc_target): New member, mark_decl_preserved.
	* hooks.c (hook_void_charptr): Rename to ...
	(hook_void_constcharptr): ... new name.
	* hooks.h (hook_void_charptr): Rename to ..
	(hook_void_constcharptr): ... new name.
	* tree.h (DECL_PRESERVE_P): New #define.
	(struct tree_decl): New member, preserve_flag.
	* varasm.c (assemble_start_function): Mark decl preserved.
	(assemble_variable): Same.
	* darwin.c (darwin_mark_decl_preserved): New function.
	* darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
	* darwin-protos.h (darwin_mark_decl_preserved): New decl.
	* doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

2004-08-16  Joseph S. Myers  <>

	* c-decl.c (grokdeclarator): Allow for function definition where
	innermost declarator has attributes.

2004-08-16  Fariborz Jahanian <>

	* except.c (get_exception_filter, build_post_landing_pads,
	dw2_build_landing_pads): Use target-specific mode for 'filter'.
	* target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
	* target.h (eh_return_filter_mode): New field added.
	* targhooks.c (default_eh_return_filter_mode): Defined.
	* targhooks.h (default_eh_return_filter_mode): Declared.
	* config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.

2004-08-16  Nathanael Nerode  <>

	* configure: Regenerate.

2004-08-16  Stan Shebs  <>

	Basic support for 64-bit Darwin.
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	(machopic_legitimize_pic_address): Similarly, plus use Pmode
	instead of SImode.
	* config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
	(TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
	(SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
	(SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
	* config/rs6000/ New file, patterns specific to 64-bit
	* config/rs6000/ Include
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
	(rs6000_emit_move): Add DImode case to Darwin bits.
	(machopic_output_stub): Use .quad if 64-bit.
	* invoke.texi: Document -m32 and -m64.

2004-08-16  Janis Johnson  <>

	* doc/extend.texi (AltiVec builtins): Document additional differences
	from the Motorola AltiVec PIM.

2004-08-16  Nathan Sidwell  <>

	* c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
	* tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
	(struct tree_common): Update public_flag documentation.

2004-08-16  Nathanael Nerode  <>

	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Check for artificial variables, not is_gimple_tmp_var.
	* tree-ssa-live.c (var_union): Likewise.

2004-08-16  Nathan Sidwell  <>

	* calls.c (load_register_parameters): Remove spurious FIXME token.

2004-08-15  Ziemowit Laski  <>

	* (C_PRETTY_PRINT_H): Add c-pretty-print.h.
	(c-lang.o): Depend on c-objc-common.h.
	(c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
	c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
	* c-lang.c: Include c-objc-common.h.
	Move to c-objc-common.h.
	* c-objc-common.c: Include c-objc-common.h.
	* c-objc-common.h: New file.

2004-08-15  Andreas Tobler  <>
	    Andrew Pinski  <>

	PR target/14931
	* config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub

2004-08-15  Nathan Sidwell  <>

	* tree.h (build_int_cst): New.
	(build_int_2): Remove.
	* tree.c (build_int_2): Remove.
	(build_int_cst): New.
	(make_vector_type, build_common_tree_nodes,
	build_common_tree_nodes_2): Use build_int_cst.
	* builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
	expand_builtin_strpbrk, expand_builtin_fputs,
	build_string_literal, expand_builtin_printf,
	expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
	fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
	fold_builtin_isdigit, simplify_builtin_strstr,
	simplify_builtin_strpbrk, fold_builtin_fputs,
	simplify_builtin_sprintf): Use build_int_cst.
	* c-common.c (start_fname_decls, fix_string_type,
	c_common_nodes_and_builtins, c_init_attributes,
	shorten_compare): Likewise.
	* c-decl.c (complete_array_type,
	check_bitfield_type_and_width): Likewise.
	* c-lex.c (interpret_integer, lex_charconst): Likewise.
	* (primary): <TYPES_COMPATIBLE_P> Likewise.
	* c-pretty-print.c (pp_c_integer_constant): Likewise.
	* c-typeck.c (really_start_incremental_init, push_init_level,
	set_nonincremental_init_from_string): Likewise.
	* calls.c (load_register_parameters): Likewise.
	* convert.c (convert_to_pointer): Likewise.
	* coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
	build_fn_info_type, build_ctr_info_value, build_gcov_info):
	* except.c (init_eh, assign_filter_values, assign_filter_values):
	* expmed.c (store_fixed_bit_field, extract_bit_field,
	extract_fixed_bit_field, extract_split_bit_field, expand_shift,
	expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
	expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
	* expr.c (convert_move, emit_group_load, emit_group_store,
	expand_assignment, store_constructor, store_field,
	expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
	* fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
	invert_truthvalue, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, constant_boolean_node,
	fold_div_compare, fold, fold_read_from_constant_string,
	fold_negate_const, fold_abs_const, fold_not_const): Likewise.
	* function.c (assign_parm_setup_block): Likewise.
	* stmt.c (shift_return_value, expand_end_case_type,
	estimate_case_costs): Likewise.
	* stor-layout.c (layout_type, initialize_sizetypes,
	set_min_and_max_values_for_integral_type): Likewise.
	* tree-chrec.c (chrec_fold_multiply_poly_poly,
	reset_evolution_in_loop): Likewise.
	* tree-chrec.h (build_polynomial_chrec): Likewise.
	* tree-complex.c (build_replicated_const): Likewise.
	* tree-eh.c (honor_protect_cleanup_actions,
	lower_try_finally_onedest, lower_try_finally_copy,
	lower_try_finally_switch): Likewise.
	* tree-mudflap.c (mf_build_string, mx_register_decls,
	mudflap_register_call, mudflap_enqueue_constant): Likewise.
	* tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
	* tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
	* tree-ssa-loop-niter.c (number_of_iterations_cond,
	loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):

	* config/alpha/alpha.c (alpha_initialize_trampoline,
	alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
	* config/arm/arm.c (arm_get_cookie_size): Likewise.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
	* config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
	* config/i860/i860.c (i860_va_start): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
	mips_gimplify_va_arg_expr): Likewise.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
	* config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
	add_compiler_branch_island): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.
	* config/sh/sh.c (sh_va_start): Likewise.
	* config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
	* config/xtensa/xtensa.c (xtensa_va_start,
	xtensa_gimplify_va_arg_expr): Likewise.

	* objc/objc-act.c (build_objc_string_object,
	build_objc_symtab_template, init_def_list, init_objc_symtab,
	init_module_descriptor, generate_static_references,
	build_selector_translation_table, get_proto_encoding,
	build_typed_selector_reference, build_selector_reference,
	build_method_prototype_list_template, generate_descriptor_table,
	generate_protocols, build_protocol_initializer,
	build_ivar_list_template, build_method_list_template,
	build_ivar_list_initializer, generate_ivars_list,
	generate_dispatch_table, generate_protocol_list,
	build_category_initializer, build_shared_structure_initializer,
	generate_shared_structures, handle_impent,
	generate_objc_image_info): Use build_int_cst.

2004-08-15  Ben Elliston  <>

	* vec.h: Comment improvements.

2004-08-14  Roger Sayle  <>

	* c-common.c (shorten_compare, pointer_int_sum,
	c_common_truthvalue_conversion, boolean_increment): Replace calls
	to build with calls to buildN.
	* c-decl.c (complete_array_type, grokdeclarator): Likewise.
	* c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
	gimplify_switch_stmt): Likewise.
	* c-typeck.c (default_function_array_conversion,
	build_component_ref, build_array_ref, build_function_call,
	pointer_diff, build_unary_op, build_conditional_expr,
	build_compound_expr, build_modify_expr, c_finish_goto_label,
	c_finish_goto_ptr, c_finish_return, c_finish_loop,
	c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
	build_binary_op): Likewise.

2004-08-15  Steven Bosscher  <>

	* rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.

2004-08-14  John David Anglin  <>

	* fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
	curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
	* fixinc/fixincl.x: Rebuilt.

2004-08-14  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_symbolic_constant_p)
	(mips_atomic_symbolic_constant_p, mips_stack_address_p)
	(mips_small_data_pattern_p): Declare.
	* config/mips/mips.h (CONST_GP_P): Moved from mips.c.
	* config/mips/mips.c (mips_symbolic_constant_p): Make global.
	(mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
	(uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
	(sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
	(reg_or_const_float_1_operand, hilo_operand, extend_operator)
	(macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
	(pc_or_label_operand, call_insn_operand, move_operand)
	(consttable_operand, symbolic_operand, general_symbolic_operand)
	(global_got_operand, local_got_operand, stack_operand)
	(fp_register_operand, lo_operand, fcc_register_operand): Delete.
	(mips_small_data_pattern_1): Renamed from small_data_pattern_1.
	(mips_small_data_pattern_p): Replace previous small_data_pattern
	predicate.  Turn into a bool () (rtx) function.
	* config/mips/ New file.
	* config/mips/ Include it.  Use the target-independent
	comparison_operator instead of cmp_op.  Rename trap_cmp_op to
	trap_comparison_operator and equality_op to equality_operator.
	Replace uses of small_int with the equivalent const_arith_operand.
	Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
	const_float_1_operand to const_1_operand.  Rename fcc_register_operand
	to fcc_reload_operand.
	* config/mips/ Rename fp_register_operand to fpr_operand.

2004-08-14  John David Anglin  <>

	PR libstdc++/17005 partial fix.
	except when generating ANSI/C89 code.

2004-08-14  Nathan Sidwell  <>

	* c-common.c (shorten_compare): Use force_fit_type directly.

2004-08-14  Gerald Pfeifer  <>
	    Dimitri Papadopoulos-Orfanos  <>
	    Dave Korn  <>

	* doc/install.texi (Building): Avoid duplicate reference to GNU
	make requirement.
	(*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.

2004-08-14  Richard Henderson  <>

	* config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
	* config/alpha/alpha.c (function_value): Use PROMOTE_MODE.

2004-08-13  Richard Henderson  <>

	* config/i386/ (call_1, sibcall_1, call_1_rex64): Use Pmode
	for constant_call_address_operand.
	(call_value_pop_1, call_value_1): Likewise.
	(sibcall_value_1, call_value_1_rex64): Likewise.

2004-08-13  James E Wilson  <>

	* config/mips/ (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
	Correct mode from SFmode to DFmode.

2004-08-13  Ziemowit Laski  <>

	* config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
	__cstring_object and __image_info sections with the no_dead_strip

2004-08-13  Roger Sayle  <>
	    David Billinghurst  <>

	PR libgfortran/15930
	* fixinc/inclhack.def (irix___generic1, irix___generic2): New.
	* fixinc/fixincl.x: Regenerate.
	* fixinc/tests/base/internal/math_core.h: New file.

2004-08-13  Richard Henderson  <>

	* dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
	(dbxout_function_end): Remove ifdefs for it.
	(dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.

2004-08-13  Richard Henderson  <>

	* (insn-preds.o): Depend on TREE_H.
	* genpreds.c (write_insn_preds_c): Include tree.h.
	* config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
	reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
	const48_operand, and_operand, or_operand, mode_width_operand,
	mode_mask_operand, mul8_operand, const0_operand,
	hard_fp_register_operand, hard_int_register_operand,
	reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
	samegp_function_operand, direct_call_operand, small_symbolic_operand,
	global_symbolic_operand, call_operand, symbolic_operand,
	dtp16_symbolic_operand, dtp32_symbolic_operand,
	gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
	gottp_symbolic_operand, alpha_comparison_operator,
	alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
	signed_comparison_operator, alpha_fp_comparison_operator,
	divmod_operator, fix_operator, aligned_memory_operand,
	unaligned_memory_operand, reg_or_unaligned_mem_operand,
	any_memory_operand, reg_not_elim_operand, normal_memory_operand,
	reg_no_subreg_operand, addition_operation): Move to
	(reg_or_const_int_operand): Remove.  Replace all users with
	(tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
	(resolve_reload_operand): Split out of aligned_memory_operand.
	* config/alpha/alpha-protos.h: Update for exports.
	* config/alpha/alpha.h (PREDICATE_CODES): Remove.
	* config/alpha/ Include
	* config/alpha/ New file.

2004-08-13  Richard Sandiford  <>

	* genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
	fields with a pointer to the instruction definition.
	(get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
	(insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
	(write_attr_case, write_const_num_delay_slots): Update accordingly.
	(write_attr_case, write_const_num_delay_slots): Write the name of
	an insn next to its case statement.
	* genoutput.c (data): Add a filename field.
	(gen_insn, gen_peephole, gen_expand, gen_split): Set it.
	(output_insn_data): Print the location of each insn definition.
	* genrecog.c (write_action): Print the name of an insn above
	the statement that returns its code.

2004-08-12  Andrew Pinski  <>

	* config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
	* config/libgloss.h: Likewise.
	* config/arm/arm.c (arm_gen_load_multiple): Likewise.
	* c4x/c4x-modes.def: Likewise.
	* config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
	(c4x_rptb_nop_p): Likewise.
	(c4x_rptb_valid_p): Likewise.
	(c4x_rptb_insert): Likewise.
	(c4x_address_conflict): Likewise.
	* config/c4x/ Likewise.
	* config/frv/ Likewise.
	* config/i386/ Likewise.
	* config/i386/ Likewise.
	* config/i386/ Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/ia64/ Likewise.
	* config/ia64/ Likewise.
	* config/iq2000/ Likewise.
	* config/mcore/mcore.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/mips/r3900.h: Likewise.
	* config/mips/ Likewise.
	* config/pa/milli64.S: Likewise.
	* config/pa/pa.c: Likewise.
	* config/pa/pa.h: Likewise.
	* config/rs6000/ Likewise.

2004-08-13  Daniel Berlin  <>

	* (BOOT_CFLAGS): Remove accidental addition of -dU.

2004-08-13  J"orn Rennecke <>

	* (cbranch define_delay) Use cond_delay_slot for
	non-anulled condition too.

2004-08-12  David Edelsohn  <>

	* config/rs6000/rs6000.c (any_parallel_operand): New predicate.
	* config/rs6000/rs6000.h (PREDICATE_CODES): Add
	any_parallel_operand, lmw_operation, stmw_operation,
	mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
	* config/rs6000/ (save_fpregs_{si,di}): Use
	(return_and_restore_fpregs_{si,di}): Same.

2004-08-12  Zack Weinberg  <>

	* genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
	if pred->singleton != PARALLEL, issue a warning and pretend it was.
	Also issue a warning for any predicate we don't know about.

2004-08-12  Richard Henderson  <>

	* config/i386/i386.c (internal_label_prefix): Export.
	(internal_label_prefix_len, struct ix86_address,
	ix86_decompose_address, maybe_get_pool_constant,
	ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
	memory_address_length): Export.
	(any_fp_register_operand, fp_register_operand,
	register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
	x86_64_general_operand, x86_64_szext_general_operand,
	x86_64_nonmemory_operand, x86_64_movabs_operand,
	x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
	x86_64_zext_immediate_operand, const_int_1_31_operand,
	symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
	tls_symbolic_operand, global_dynamic_symbolic_operand,
	local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
	local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
	constant_call_address_operand, const0_operand, const1_operand,
	const248_operand, const_0_to_3_operand, const_0_to_7_operand,
	const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
	shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
	general_no_elim_operand, nonmemory_no_elim_operand,
	index_register_operand, q_regs_operand, flags_reg_operand,
	non_q_regs_operand, zero_extended_scalar_load_operand,
	vector_move_operand, no_seg_address_operand, sse_comparison_operator,
	ix86_comparison_operator, ix86_carry_flag_operator,
	fcmov_comparison_operator, promotable_binary_operator,
	cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
	mult_operator, div_operator, arith_or_logical_operator,
	memory_displacement_operand, cmpsi_operand, long_memory_operand,
	aligned_operand): Move to as define_predicates.
	(tls_symbolic_operand_1): Remove.
	(x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
	(x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
	(legitimize_address): Merge tls_symbolic_operand contents.
	(ix86_expand_move): Likewise.
	* config/i386/i386-protos.h: Update for exports.
	* config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
	* config/i386/ Include
	* config/i386/ New file.

2004-08-13  Mark Mitchell  <>

	PR c++/16924
	* config/i386/winnt.c (i386_pe_mark_dllexport): Set
	(i386_pe_mark_dllimport): Likewise.
	(i386_pe_encode_section_info): Likewise, when overriding
	dllimport attribute.

2004-08-12  Geoffrey Keating  <>

	* When testing for flex, nm, ar, and bison, check
	that they will actually be built.
	* configure: Regenerate.

2004-08-12  Ulrich Weigand  <>

	* config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.

2004-08-12  Devang patel  <>

	* dbxout.c (dbxout_begin_prologue): New function.
	(dbx_debug_hooks): Use new begin prologue hook.
	(dbxout_function_end): Emit N_ENSYM.
	* stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.

2004-08-12  Janis Johnson  <>

	* config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
	argument is float*.

	* config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
	for vec_dss.

	* doc/extend.texi (AltiVec builtins): Fix description for recent
	changes.  Update operation list to match current support.

2004-08-12  Andreas Krebbel  <>

	* config/s390/s390.c (struct s390_frame_layout): New struct as element
	of struct machine_function.
	(cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
	changed all uses.
	(cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
	changed all uses.
	(cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
	(cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
	(s390_frame_area, s390_register_info): New functions.
	(s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
	for base register.
	(s390_return_addr_rtx, s390_return_address_offset)
	(s390_va_start, s390_gimplify_va_arg)
	(s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
	(s390_frame_info): Functionality partly moved to s390_register_info.
	Made adaptions for new stack layout.
	(save_gprs, restore_gprs): Changed meaning of second parameter and
	adapted all callers.

	* config/s390/s390.h (s390_backchain_string): New global variable.
	(MASK_BACKCHAIN): Removed definition.
	(TARGET_BACKCHAIN): Changed check.
	(TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
	(TARGET_OPTIONS): Added "backchain", "no-backchain" and
	(DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.

	* config/s390/ ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
	as condition.  Adjusted for new stack layout.

	* doc/invoke.texi: Added documentation for new option
	"-mkernel-backchain" and adjusted documentation of "-mbackchain" and

2004-08-12  Paul Brook  <>

	* config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
	(aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.

2004-08-12  David Daney  <>

	* java/gcj.texi: Add subsection on signal usage.

2004-08-12  David Edelsohn  <>

	* expr.c (move_by_pieces): Set alignment for move to minimum of
	MOVE_MAX_PIECES mode alignment and the largest non-slow mode
	alignment, but not less than the original alignment.
	(move_by_pieces_ninsns): Same.
	(can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
	(store_by_pieces_1): Same.

2004-08-12  Diego Novillo  <>

	PR tree-optimization/16867
	* tree.c (is_global_var): New function.
	(needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
	Call is_global_var.
	Update all users.
	(is_global_var): Declare.
	* tree-dfa.c (dump_variable): Display global and addressable
	(add_referenced_var): Clarify documentation when marking
	variables call-clobbered.
	* tree-flow-inline.h (is_call_clobbered): Call is_global_var
	instead of needs_to_live_in_memory.
	(mark_call_clobbered): If the variable is a tag, mark it
	* tree-gimple.c (is_gimple_reg): Don't check for
	(is_gimple_non_addressable): Likewise.
	* tree-ssa-alias.c (get_nmt_for): Always check whether the tag
	needs to be marked call-clobbered.
	(setup_pointers_and_addressables): Call is_global_var instead
	of needs_to_live_in_memory.
	* tree-ssa-dce.c (need_to_preserve_store): Remove.
	Update all users with is_global_var.
	(mark_stmt_if_obviously_necessary): Fix processing of aliased
	stores.  Don't check the virtual definitions.  Rather, check
	whether the store is going into global memory.
	(find_obviously_necessary_stmts): Get the symbol from the PHI
	* tree-ssa-operands.c (get_call_expr_operands): Do not add
	clobbering may-defs if the call does not have side effects.

2004-08-12  Jakub Jelinek  <>

	PR c++/16276
	* output.h (default_function_rodata_section,
	default_no_function_rodata_section): New prototypes.
	* target.h (struct gcc_target): Add asm_out.function_rodata_section.
	(TARGET_ASM_OUT): Add it.
	* varasm.c (default_function_rodata_section,
	default_no_function_rodata_section): New functions.
	* final.c (final_scan_insn): Call
	targetm.asm_out.function_rodata_section instead of
	* config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
	* config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
	* config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
	* config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
	* config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
	* doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.

2004-08-12  Paul Brook  <>

	* dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
	frame info.
	* doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and

2004-08-12  Ben Elliston  <>

	PR target/16286
	* config/rs6000/altivec.h: Change vector to __vector throughout.
	(Except for the `vector' macro itself).

2004-08-12  Zack Weinberg  <>

	* genpreds.c: Add capability to generate predicate bodies as
	well as function prototypes.  Write function prototypes for
	the generic predicates too.
	(process_define_predicate, write_tm_preds_h, write_insn_preds_c)
	(write_predicate_subfunction, mark_mode_tests, add_mode_tests)
	(write_match_code, write_predicate_expr, write_one_predicate_function)
	(parse_option): New functions.
	(output_predicate_decls): Delete.
	(main): Read the machine description, process DEFINE_PREDICATE or
	DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
	as appropriate.

	* genrecog.c (struct decision_test): Replace index with
	struct pred_data pointer.
	(next_index): Remove, unused.
	(pred_table, preds, special_mode_pred_table): Delete.
	(compute_predicate_codes, process_define_predicate): New functions.
	(validate_pattern, add_to_sequence, write_switch): Update for
	new data structures.
	Check both error_count and have_error.

	* gensupport.c (in_fname, first_predicate): New globals.
	(define_pred_queue, define_pred_tail): New RTL-pattern queue.
	(predicate_table, last_predicate, old_pred_table)
	(old_special_pred_table): New statics.
	(hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
	(add_predicate, init_predicate_table): New functions.
	(init_md_reader_args_cb): Use the global in_fname.  No need to zero
	it or max_include_len.  Call init_predicate_table.
	(read_rtx): Run the predicate queue after the attribute queue
	but before all the others.
	* gensupport.h (in_fname, struct pred_data, first_predicate)
	(lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
	* dummy-conditions.c: Don't include bconfig.h, system.h,
	coretypes.h, tm.h, or system.h.  Do include stddef.h.
	Duplicate declaration of struct c_test from gensupport.h.

	* (OBJS-common): Add insn-preds.o.
	(STAGESTUFF, .PRECIOUS): Add insn-preds.c.
	(insn-preds.c, insn-preds.o): New rules.
	(s-preds): Also generate insn-preds.c.
	(dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
	Update dependencies.
	(print-rtl.o, print-rtl1.o): Correct dependencies.

	* recog.h: Delete prototypes of predicate functions.

	* doc/md.texi (Predicates): New section with complete
	documentation of operand/operator predicates.  Remove some
	incomplete documentation of predicates from other places.
	* doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
	PREDICATE_CODES; indicate that both are deprecated in favor
	of define_predicate/define_special_predicate.

	* config/ia64/ia64.c: All predicate function definitions moved
	to, except
	(small_addr_symbolic_operand, tls_symbolic_operand): Delete.
	(ia64_expand_load_address, ia64_expand_move):
	Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.

	* config/ia64/ All predicates now defined here.
	(symbolic_operand): Is now a special predicate.

	* config/ia64/ia64.h: Declare ia64_section_threshold.

2004-08-12  Richard Henderson  <>

	* c-common.h (STATEMENT_LIST_HAS_LABEL): New.
	* c-semantics.c (add_stmt): Set it.
	* c-decl.c (finish_decl): Use it to create a new BIND_EXPR
	before instantiating a variable sized type.

2004-08-12  Richard Henderson  <>

	* stor-layout.c (round_up, round_down): Move ...
	* fold-const.c (round_up, round_down): ... here.  Use
	multiple_of_p to avoid any arithmetic at all.

2004-08-12  Richard Henderson  <>

	* gimplify.c (struct gimplify_init_ctor_preeval_data): New.
	(gimplify_init_ctor_preeval_1): New.
	(gimplify_init_ctor_preeval): New.
	(gimplify_init_ctor_eval): New.
	(gimplify_init_constructor): Use them.  Always gimplify the LHS
	object first.

2004-08-12  Ziemowit Laski  <>

	(This patch is part of merge of objc-improvements-branch
	into mainline.)

	* doc/frontends.texi: Mention Objective-C++ in addition to
	* doc/install.texi: Add 'obj-c++' to list of configurable
	* doc/invoke.texi: Rename Objective-C option headings to
	indicate they also apply to Objective-C++.  List file
	extensions for Objective-C++ sources.  Mention that
	ObjC and ObjC++ compilations may also use C and C++ options,
	respectively.  Point users to doc/standards.texi for
	further info on ObjC and ObjC++.
	* doc/sourcebuild.texi: Mention the objcp/ directory and
	the Objective-C++ sources it contains.
	* doc/standards.texi: Update link to Apple ObjC site;
	add link to gcc readings.html WWW doc.

2004-08-12  Alan Modra  <>

	* config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
	and 2004-07-14 changes.

2004-08-12  Paul Brook  <>

	* doc/invoke.texi: Fix typo.

2004-08-11 Devang Patel  <>

	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
	and -no_dead_strip_inits_and_terms.
	(LINK_SPEC): Same.
	* doc/invoke.texi (Darwin Options): Document -dead_strip and

2004-08-11  Paul Brook  <>

	* config/arm/arm-protos.h (arm_finalize_pic) Rename ...
	(arm_load_pic_register): ... to this.
	* config/arm/arm.c (arm_finalize_pic): Rename ...
	(arm_load_pic_register): ... to this.  Always output insns at the
	current location.  Load via low reg in thumb mode.
	(arm_expand_prologue): Call arm_load_pic_register.
	(thumb_expand_prologue): Ditto.
	* config/arm/arm.h (FINALIZE_PIC): Remove.
	* config/arm/ (builtin_setjmp_receiver): Call

2004-08-11  Paul Brook  <>

	* arm.c (thumb_force_lr_save): Add prototype.
	(thumb_compute_save_reg_mask): New function.
	(thumb_find_work_register): New function.
	(arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
	(thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
	Don't clobber r3 when removing pretend args.
	(thumb_expand_prologue): Use thumb_compute_save_reg_mask.
	(thumb_output_function_prologue): Use new functions.
	(thumb_set_return_address): Use thumb_compute_save_reg_mask.
	* arm.h (THUMB_REG_PUSHED_P): Remove.

2004-08-11  James E Wilson  <>

	PR rtl-optimization/16490
	* cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
	global_live_at_end for new basic block if already set for other blocks.

2004-08-11 David Edelsohn  <>

	* config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.

	* config/rs6000/ (mfcr rlwinm patterns): Set length to 8.
	(mfcr rlwinm rlwinm patterns): Set length to 12.

2004-08-11  Andrew MacLeod  <>

	* tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
	get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
	(get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
	(start_ssa_stmt_operands): Delete.
	* tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
	struct stmt_operands_d.
	(build_ssa_operands): New extern entry point.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
	building code, replace with create_ssa_artficial_load_stmt().
	* tree-ssa-operands.c (struct voperands_d): Delete.
	(allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
	(allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
	(free_uses, free_defs, free_vuses, free_v_may_defs,
	free_v_must_defs): Remove dealloc parameter.
	(remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
	(finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
	finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
	vector comparisons, ssa_name reuse, and allocations here.
	(verify_start_operands): Delete.
	(finalize_ssa_stmt_operands): Set new operands by calling finalize
	(start_ssa_stmt_operands): Move from tree-flow-inline.h.
	(append_def, append_usei): Simplify to simple accumulation.
	(append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
	duplicates and simple accumulation.
	(free_ssa_operands): Free vectors in a stmt_operand structure.
	(build_ssa_operands): New. Create a new stmt_operand structure from
	a stmt and an old set of stmt_operands.
	(get_stmt_operands): Simplify and call build_ssa_operands.
	(get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
	get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
	add_call_read_ops): Don't pass prev_vops around anymore.
	(note_addressable): Return if no stmt annotation.
	(copy_virtual_operands): Access v_may_def operands through a struct.
	(create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
	hash tables without treating the stmt as a real stmt.
	* tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
	v_may_def def and use through a struct instead of 2 array elements.
	(struct v_may_def_optype_d): Use v_may_def_operand_type.
	(struct stmt_operands_d): New.  Struct for storing all operand vectors.

2004-08-11  Nick Clifton  <>

	* config/arm/arm.c (arm_is_longcall_p): Update comment describing
	this funciton's behaviour.  Return true when the current function
	has a section attribute and -mlong-calls is in effect.
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
	short-call marker when -mlong-calls is in effect and the function
	has a section attribute.

2004-08-10  Zack Weinberg  <>

	* stmt.c (expand_return): If asked to return the RESULT_DECL,
	just call expand_value_return on result_rtl.

2004-08-10  Richard Henderson  <>

	* builtins.def (BUILT_IN_STACK_ALLOC): Remove.
	* builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
	* dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
	(add_location_or_const_value_attribute): ... not here.  Use
	loc_descriptor_from_tree if possible.
	(loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
	Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
	values specially.
	(loc_descriptor_from_tree): New.  Update callers.
	* expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
	* gimplify.c (gimplify_decl_expr): Lower variable sized types to
	pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
	(gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
	(gimplify_expr): Lower DECL_VALUE_EXPR decls.
	* stmt.c (expand_stack_alloc): Remove.
	* tree-mudflap.c (mx_register_decls): Don't look for
	* tree-nested.c (convert_local_reference): Likewise.
	* tree.h (DECL_VALUE_EXPR): New.

2004-08-10  Richard Henderson  <>

	* stor-layout.c (round_up): Check for 0/1 before dividing.
	(round_down): Likewise.

	* tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.

2004-08-09  Mark Mitchell  <>

	* config.gcc (arm*-*-eabi*): New target.
	* defaults.h (TARGET_LIBGCC_FUNCS): New macro.
	* expmed.c (expand_divmod): Try a two-valued divmod function as a
	last resort.
	* gthr.h: Remove bogus tokens at end of #pragma.
	* optabs.c (expand_twoval_binop_libfunc): New function.
	(prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
	(prepare_float_lib_cmp): Try reversing the condition.
	(debug_optab_libfuncs): New function.
	* optabs.h (expand_twoval_binop_libfunc): Declare.
	* config/arm/arm.c (arm_init_libfuncs): New function.
	(arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
	* config/arm/arm.h (TARGET_BPABI): New macro.
	* config/arm/arm-protos.h
	(arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
	* config/arm/bpabi.S: New file.
	* config/arm/bpabi.c: Likewise.
	* config/arm/bpabi.h: Likewise.
	* config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
	(__aeabi_drsub): Likewise.
	(__aeabi_dsub): Likewise.
	(__aeabi_dadd): Likewise.
	(__aeabi_ui2d): Likewise.
	(__aeabi_i2d): Likewise.
	(__aeabi_f2d): Likewise.
	(__aeabi_dmul): Likewise.
	(__aeabi_ddiv): Likewise.
	(__aeabi_cdrcmple): Likewise.
	(__aeabi_cdcmpeq): Likewise.
	(__aeabi_cdcmple): Likewise.
	(__aeabi_dcmpeq): Likewise.
	(__aeabi_dcmplt): Likewise.
	(__aeabi_dcmple): Likewise.
	(__aeabi_dcmpge): Likewise.
	(__aeabi_dcmpgt): Likewise.
	(__aeabi_dcmpun): Likewise.
	(__aeabi_d2iz): Likewise.
	(__aeabi_d2uiz): Likewise.
	(__aeabi_d2f): Likewise.
	* config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
	(__aeabi_frsub): Likewise.
	(__aeabi_fsub): Likewise.
	(__aeabi_fadd): Likewise.
	(__aeabi_ui2f): Likewise.
	(__aeabi_i2f): Likewise.
	(__aeabi_fmul): Likewise.
	(__aeabi_fdiv): Likewise.
	(__aeabi_cfrcmple): Likewise.
	(__aeabi_cfcmpeq): Likewise.
	(__aeabi_cfcmple): Likewise.
	(__aeabi_fcmpeq): Likewise.
	(__aeabi_fcmplt): Likewise.
	(__aeabi_fcmple): Likewise.
	(__aeabi_fcmpge): Likewise.
	(__aeabi_fcmpgt): Likewise.
	(__aeabi_fcmpun): Likewise.
	(__aeabi_f2iz): Likewise.
	(__aeabi_f2uiz): Likewise.
	* config/arm/lib1funcs.asm (ARM_CALL): New macro.
	(__aeabi_uidivmod): New function or alias.
	(__aeabi_idivmod): Likewise.
	(__aeabi_idiv0): Likewise.
	(__aeabi_ldiv0): Likewise.
	(__aeabi_llsr): Likewise.
	(__aeabi_lasr): Likewise.
	(__aeabi_llsl): Likewise.
	(bpabi.S): Include it.
	* config/arm/libgcc-bpabi.ver: New file.
	* config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
	(LINK_SPEC): Remove.
	* config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
	* config/arm/t-bpabi: New file.
	* doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.

2004-08-10  David Edelsohn  <>

	* config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
	* config/rs6000/ (clrmemsi): New pattern.
	* config/rs6000/rs6000.c (expand_block_clear): New function.
	(expand_block_move): Convert alignment to bits.  Use SImode and
	HImode for unaligned addresses if not STRICT_ALIGNMENT.

2004-08-10  Caroline Tice  <>

	* varasm.c (unlikely_section_label): New global variable.
	(unlikely_text_section_name): New global variable.
	(text_section): Remove alignment statement.
	(unlikely_text_section): Remove alignment statement; use
	unlikely_section_label rather than hard-coded string.
	(assemble_start_function): Initialize unlikely_section_label and
	unlikely_text_section_name;  make sure cold section is properly
	aligned at start of function; output unlikely_section_label if

2004-08-10  Ulrich Weigand  <>

	* config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
	* config/s390/s390.c (s390_canonicalize_comparison): New function.
	* config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
	* config/s390/ ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
	"*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
	("*tmqi_mem"): Remove SUBREG from pattern.
	("*anddi3_cconly"): Prevent accidentally matching TM pattern.
	("*andsi3_cconly"): Likewise.

2004-08-10  H.J. Lu  <>

	PR target/16909
	* config/i386/ (*strsetdi_rex_1): Use DI instead of SI.

2004-08-10  Janis Johnson  <>

	* doc/sourcebuild.texi (compat testing): Document available test
	framework commands.  Use the preferred spelling of DejaGnu.

2004-08-10  Daniel Berlin <>

	* lambda.h: Add matrix type, and prototypes for remainder of
	matrix and vector functions.
	(lambda_vector_mult_const): New function.
	(lambda_vector_negate): Ditto.
	(lambda_vector_add): Ditto.
	(lambda_vector_add_mc): Ditto.
	(lambda_vector_copy): Ditto.
	(lambda_vector_zerop): Ditto.
	(lambda_vector_equal): Ditto.
	(lambda_vector_min_nz): Ditto.
	(lambda_vector_first_nz): Ditto.
	(lambda_vector_matrix_mult): Ditto.
	* lambda-mat.c: New file.
	* (lambda-mat.o): New.

2004-08-10  Andrew MacLeod  <>

	* tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
	after linking stmt into the program.
	(bsi_remove): Don't call modify_stmt.
	* tree-complex.c (update_complex_assignment,
	expand_complex_comparison): Call modify_stmt after changing the stmt.
	* tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
	removing the stmt.
	* tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
	the stmt, and only if needed.
	* tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
	(simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
	(simplify_cond_and_lookup_avail_expr): Use modify_stmt.
	(simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
	(eliminate_redundant_computations): Don't pass an annotation. Call
	modify_stmt rather than setting the annotation directly.
	(record_equivalences_from_stmt): Remove unused local 'j'.
	(cprop_operand): Take a stmt rather than an annotation as a parameter.
	Call modify_stmt.
	(cprop_into_stmt): Pass stmt rather than annotation.
	(update_rhs_and_lookup_avail_expr): Call modify_stmt.
	* tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
	* tree-ssa.c (propagate_into_addr): Dont call modify_stmt.

2004-08-10  Jason Merrill  <>

	PR middle-end/16948
	* function.c (expand_function_start): Handle DECL_BY_REFERENCE on

2004-08-10  Geoffrey Keating  <>

	* tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
	hash function.

2004-08-10  Roger Sayle  <>

	* config/mips/ New reciprocal square root patterns that
	match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.

2004-08-10  Paul Brook  <>

	* config/arm/arm-protos.h (arm_set_return_address,
	thumb_set_return_address): Add prototypes.
	* config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
	* config/arm/arm.c (arm_compute_func_type,
	use_return_insn, arm_compute_save_reg0_reg12_mask,
	arm_compute_save_reg_mask, arm_output_function_prologue,
	arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
	(thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
	old eh code.
	(arm_set_return_address, thumb_set_return_address): New functions.
	* config/arm/ (VUNSPEC_EH_RETURN): Add.
	(epilogue): Use the stackadj register.
	(eh_return, arm_eh_return, thumb_eh_return): New pattern.

2004-08-10  Jakub Jelinek  <>

	PR target/3144
	* expr.c (move_by_pieces_ninsns): Add max_size argument.
	(STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
	but using MOVE_RATIO.
	(move_by_pieces): Pass max_size to move_by_pieces_ninsns.
	(can_store_by_pieces): Change max_size type to unsigned int.
	(store_by_pieces_1): Likewise.  Pass max_size to
	* config/s390/s390.h (STORE_BY_PIECES_P): Define.
	* config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
	to move_by_pieces_ninsns.
	* config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
	to move_by_pieces_ninsns.
	* doc/tm.texi (STORE_BY_PIECES_P): Document changed default.

	* config/i386/i386.h (CLEAR_RATIO): Define.

2004-08-09  Paolo Bonzini  <>

	* expr.c (expand_expr_real_1): Add back code that was not dead.

2004-08-09  Andrew Pinski  <>

	* c-common.c (c_common_get_alias_set): Set the aliasing set of the type
	which is found to be compatible before returning the aliasing set.

2004-08-09  Daniel Jacobowitz  <>

	* ggc-zone.c (struct alloc_zone): Add statistics counters.
	(always_collect): New flag.
	(ggc_alloc_zone_1): Update statistics support.  Don't include
	overhead in allocated counter.
	(sweep_pages): Update allocated counter for large pages.  Don'y
	include overhead.
	(ggc_collect_1): Always collect.
	(ggc_collect): Honor always_collect flag.  Sum all zones to decide
	whether to collect.
	(SCALE, LABEL): New macros.
	(ggc_print_statistics): Add statistics support.

2004-08-09  Roger Sayle  <>

	* expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
	(init_expmed): Fix potential overrun problem with "all.reg".
	(expand_sdiv2_pow2): Add an alternate implementation for signed
	division, if the target provides a suitable conditional move insn.

2004-08-09  Paul Brook  <>
	Richard Henderson  <>

	* unwind-dw2.c (uw_install_context_1): Update target saved stack

2004-08-09  Geoffrey Keating  <>

	* ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
	Check DATA limit only if there's no AS limit.  Ignore insanely
	low DATA limits.
	(ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
	but take care that the AS limit isn't overrun.
	* doc/invoke.texi: Update documentation of min-heapsize parameter.

2004-08-09  Jeff Law  <>

	* (OBJC-common): Add tree-ssa-threadupdate.c
	(tree-ssa-threadupdate.o): Add dependencies.
	* tree-ssa-threadupdate.c: New file.
	* tree-flow.h (incoming_edge_threaded): New flag in block annotation.
	(rewrite_vars_out_of_ssa): Remove prototype.
	(cleanup_tree_cfg): Returns a bool.
	* tree.h (thread_through_all_blocks): Prototype.
	* tree-outof-ssa.c  (SSANORM_*): Move into here.
	(remove_ssa_form): Now static.
	(rewrite_vars_out_of_ssa): Kill.
	* tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
	* tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
	(remove_ssa_form, register_partitions_for_vars): Kill declarations.
	* tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
	anything was changed.
	* tree-phinodes.c (add_phi_arg): Get the block for the PHI
	from the PHI's annotation rather than the edge associated with
	the new argument.
	* tree-ssa-dom.c (redirection_edges): Kill.
	(redirect_edges_and_update_ssa_graph): Kill.
	(tree_ssa_dominator_optimize): Do not reset forwardable flag
	for blocks anymore.  Do not initialize redirection_edges.
	Call thread_through_all_blocks.  Simplify code for cleanup
	of the CFG and iterating.  No longer call cleanup_tree_cfg
	outside the iteration loop.
	(thread_across_edge): No longer mess with forwardable blocks.

2004-08-09  Zack Weinberg  <>

	* explow.c (memory_address): Use memory_address_p.
	* recog.c (general_operand): Likewise.
	* regrename.c: No need to define REG_OK_STRICT.

2004-08-09  Steven Bosscher  <>

	* timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
	New timers.
	* gcse.c: Include timevar.h.
	(const_prop_count, copy_prop_count): Rename to global_const_prop_count
	and global_copy_prop_count.
	(local_const_prop_count, local_copy_prop_count): New static globals.
	(gcse_main): Set the right timevar for each pass.
	(cprop_jump): Increment global_const_prop_count when a constant is
	propagated.  Add "GLOBAL" to dump output.
	(cprop_insn): Increment global_const_prop_count when a constant is
	propagated, or global_copy_prop_count when a copy is propagated.
	(do_local_cprop): Likewise for local_const_prop_count and
	(one_cprop_pass): Initialize const/cprop counters to zero.
	Print out results of local and global const/cprop separately.
	(bypass_block): Break over-length line.
	* (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
	for bb-reorder.o and tracer.o.

2004-08-09  Paolo Bonzini  <>

	* (GTFILES): Remove stmt.c
	(stmt.o): Do not depend on gt-stmt.h.
	* emit-rtl.c (emit_line_note): Do not call
	* expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
	do everything.
	* function.c (free_after_parsing): Do not free STMT field.
	(allocate_struct_function): Do not call init_stmt_for_function.
	(assign_stack_temp_for_type): Do not accept values of keep
	other than 0 or 1.
	(init_temp_slots): Do not initialize removed variables.
	* function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
	and X_VAR_TEMP_SLOT_LEVEL fields.
	* rtl.h (set_file_and_line_for_stmt): Remove.
	* stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
	struct stmt_status, cond_stack, case_stack, nesting_stack,
	nesting_depth, emit_locus, set_file_and_line_for_stmt,
	same_case_target_p, init_stmt_for_function, emit_nop,
	expand_start_cond, expand_start_elseif, expand_start_else,
	expand_elseif, expand_end_cond): Remove.
	(preserve_subexpressions_p): Remove references to CFUN->STMT.
	(expand_start_case, expand_end_case_type): Remove, merge into...
	(expand_case): ... this one, including other bits from
	expand_expr_real_1.  Inline same_case_target_p.  Turn members
	of CASE_STACK into local variables.
	(emit_case_bit_tests): Inline same_case_target_p.
	(add_case_node): Add HEAD argument, return new head of the list,
	do not handle default label here.
	* tree.h (expand_start_cond, expand_end_cond, expand_start_else,
	expand_start_elseif, current_nesting_level, expand_start_case,
	expand_end_case_type, expand_end_case, add_case_node,
	init_stmt_for_function, expand_elseif): Remove prototypes.
	(expand_case): Add prototype.

2004-08-09  Paolo Bonzini  <>

	* expr.c (expand_expr_real_1): Use optab_for_tree_code.

2004-08-09  Paolo Bonzini  <>

	* expr.c (var_rtx): Remove.
	(expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
	(expand_expr_real_1) <COND_EXPR>: Remove most special cases.
	* optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
	* optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.

2004-08-08  Mostafa Hagog  <>
	Ayal Zaks <>

	* common.opt (freschedule-modulo-scheduled-loops): New flag.
	* final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
	* modulo-sched.c (sms_schedule): Emit a note to disable scheduling
	when -freschedule-modulo-scheduled-loops flag is not specified.
	(sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
	add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
	More accurate placing of insn in row of partial schedule.
	(ps_insn_find_column): New function.
	* rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
	* sched-rgn.c (sched_is_disabled_for_current_region_p): New.
	(schedule_region): Use sched_is_disabled_for_current_region_p.
	* docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.

2004-08-07  H.J. Lu  <>

	* config/i386/i386.c (ix86_expand_clrmem): Revert the last

2004-08-07  H.J. Lu  <>

	* config/i386/i386.c (ix86_expand_clrmem): Properly call
	gen_strset for 64bit target.

2004-08-07  Olivier Hainque  <>

	* config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.

2004-08-07  Jason Merrill  <>

	Make return in memory explicit.
	* function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
	(assign_parm_find_data_types): Remove code for old front end
	invisible reference handling.
	(assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
	(expand_function_end): Likewise.
	* gimplify.c (gimplify_return_expr): Handle a dereferenced
	* tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
	(declare_return_variable): Handle DECL_BY_REFERENCE.
	* cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
	(cp_genericize_r): Use convert_from_reference.
	Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
	(cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.

	* c-common.c (c_warn_unused_result): Check TREE_USED before
	warning about a CALL_EXPR with an unused value.

2004-08-06  Mark Mitchell  <>

	* config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
	to the compiler.  Use -fshort-wchar by default.

2004-08-06  Pat Haugen  <>

	* params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
	* cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
	* doc/invoke.texi (param): Document min-crossjump-insns.

2004-08-06  Richard Sandiford  <>

	PR c/13282
	* c.opt (Wmissing-field-initializers): New option.
	* c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
	* c-typeck.c (pop_init_level): Guard the missing field warning with
	warn_missing_field_initializers rather than extra_warnings.
	* doc/invoke.texi (-Wmissing-field-initializers): Document, moving
	some of the explanation from...
	(-Wextra):  Say that the missing field warning can be
	seperately controlled by -Wmissing-field-initializers.

2004-08-06  Paolo Bonzini  <>

	* expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
	* tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
	* tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
	* tree.def (ENTRY_VALUE_EXPR): Remove.

2004-08-06  Jakub Jelinek  <>

	* config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
	the places where it is actually needed.  Don't use repz; stosb
	for -Os with sufficiently small constant sizes.
	For sufficiently small repz; stos{l,q} repeat counts use a sequence
	of stos{l,q} instructions instead.

2004-08-06  Zdenek Dvorak  <>

	PR tree-optimization/16807
	* loop-iv.c (dump_iv_info): Dump invariants correctly.
	(iv_subreg, iv_extend): Express value of invariant purely in
	base field.

2004-08-06  Mark Mitchell  <>

	* config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
	(CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.

2004-08-06  Roman Zippel  <>

	* config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
	* config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
	* config/m68k/ (zero_extend*2): delay the splitting of the
	pattern until reload is finished to allow better code generation
	and split them completely into separate instrunctions.
	(*andsi3_split): New pattern.

2004-08-05  Mark Mitchell  <>

	* tree.c (handle_dll_attribute): Move here from i383/winnt.c.
	* tree.h (handle_dll_attribute): Declare.  Test
	* c-common.h (c_determine_visibility): Declare.
	* c-common.c (c_determine_visibility): New function.
	* c-decl.c (finish_decl): Use it.
	(finish_function): Likewise.
	* defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
	zero, by default.  Use #if, not	#ifdef, to test it.
	* config/arm/arm.c (arm_attribute_table): Use
	handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
	* config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
	* config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
	to 1.
	* config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
	* config/i386/i386.c (ix86_attribute_table): Use
	handle_dll_attribute for dllimport/dllexport.  Test
	* config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
	* config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
	it to 1.
	* config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
	with #if.
	* config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
	it to 1.
	* doc/extend.texi (dllexport): Clarify and correct documentation.
	(dllimport): Likewise.

2004-08-05  Zdenek Dvorak  <>

	* tree-ssa-loop-manip.c: New file.
	* (tree-ssa-loop-manip.o): Add.
	* tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
	* tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
	(tree_ssa_loop_done): Verify loop closed ssa form.
	* tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.

2004-08-05  John David Anglin  <>

	* pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
	pa_asm_output_aligned_local): New functions.
	* pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
	pa_asm_output_aligned_common and pa_asm_output_aligned_local.
	* pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
	(ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
	* pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
	(ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
	(ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
	* pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
	(ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
	(ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
	* som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
	common data.

2004-08-05  Andrew Pinski  <>

	* objc/objc-act.c (build_objc_string_object): Mark the address
	expression as constant.

2004-08-05  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
	and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
	SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.

2004-08-05  Joseph S. Myers  <>

	* config/linux.h, config/i386/linux.h, config/sparc/linux.h:
	Remove definitions conditioned on USE_GNULIBC_1 or conditioned
	out, and associated obsolete comments.

2004-08-05  Nathan Sidwell  <>

	* tree.h (force_fit_type): Return a tree, take three flags.
	* fold-const.c (force_fit_type): Set TREE_OVERFLOW and
	(int_const_binop, const_binop): Adjust.
	(size_int_type): Do sign extension here.
	(fold_convert_const, optimize_bit_field_compare,
	decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
	fold_negate_const, fold_abs_const, fold_not_const): Adjust.
	* tree.c (size_in_bytes, int_fits_type_p): Adjust.

2004-08-05  Zdenek Dvorak  <>

	PR tree-optimization/16864
	* tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
	for ssa names without default_def.

2004-08-05  Richard Sandiford  <>

	* config/i386/i386.c (ix86_expand_prologue): If the function uses a
	frame pointer, restore eax with an ebp-relative address.

2004-08-04  Geoffrey Keating  <>

	PR 14516
	* c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
	* c-common.h (make_rtl_for_local_static): Delete.
	* c-decl.c (shadow_tag_warned): Clean up comment.
	(finish_decl): Clean up spacing.  Use set_user_assembler_name when
	appropriate.  Don't pass asmspec to rest_of_decl_compilation.
	* c-semantics.c (make_rtl_for_local_static): Delete.
	* expr.c (init_block_move_fn): Use set_user_assembler_name.
	(init_block_clear_fn): Likewise.
	* passes.c (rest_of_decl_compilation): Remove asmspec parameter,
	expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
	* toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
	* tree.h (make_decl_rtl): Remove second parameter.
	(set_user_assembler_name): New.
	* varasm.c (set_user_assembler_name): New.
	(make_decl_rtl): Remove second parameter.  Update callers in many

2004-08-05  Adam Nemet  <>

	* config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
	(case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
	to LynxOS 4.0.
	* gthr-lynx.h: New file.
	* config/lynx-ng.h: Remove file.
	* config/lynx.h: Update to LynxOS 4.0.
	* config/t-lynx: New file.
	* config/i386/lynx-ng.h: Remove file.
	* config/i386/lynx.h: Update to LynxOS 4.0.
	* config/rs6000/lynxbase.h: Remove file.
	* config/rs6000/lynx.h: Update to LynxOS 4.0.
	* config/rs6000/t-lynx: New file.
	* doc/install.texi (Options specification): Remove reference to
	LynxOS from systems where --with-gnu-as makes a difference.

2004-08-05  Joseph S. Myers  <>

	* c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
	* c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
	(c_cpp_builtins): Call it.
	* doc/cpp.texi: Update.

2004-08-04  David Edelsohn  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero

2004-08-04  Jan Hubicka  <>

	* basic-block.h (profile_staus): New global variable.
	* cfg.c (profile_status): Declare.
	(check_bb_profile): Break out from ....; use profile_status
	(dump_flow_info): ... here.
	* cfgbuild.c (find_basic_blocks): Set profile_status.
	* cfgexpand.c (tree_expand_cfg): Likewise.
	* predict.c (estimate_probability): Likewise.
	* profile.c (branch_prob): Likewise.
	* tree-cfg.c (build_tree_cfg): Likewise.
	(dump_function_to_file): Use check_bb_profile.
	* tree-pretty-print (dump_bb_header): Likewise.
	* tree-profile.c (do_tree_profiling): Cleanup.

2004-08-04  Zack Weinberg  <>

	* (RTL_BASE_H, RTL_H): Correct.
	(BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
	(genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
	(read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
	(genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
	(genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
	(genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
	(ggc-none.o, errors.o): Move rule to generators section;
	correct dependencies.
	(min-insn-modes.o): Move rule to generators section; remove
	unnecessary explicit command; correct dependencies.
	(print-rtl.o, print-rtl1.o): Correct dependencies.
	($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
	(mostlyclean): Update.

	* errors.c: Include bconfig.h not config.h.  Correct comment.
	* gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
	* ggc-none.c: Include bconfig.h; not config.h or tm.h.
	* print-rtl.c: Don't include tm_p.h.

	* rtl.h: Move forward-decl of struct function down where it's
	needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
	#ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.

2004-08-04  Zdenek Dvorak  <>
	    Jeff Law  <>

	* tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
	* tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
	* tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
	manipulate the duplicated ssa names.
	* tree-ssanames.c (ssa_names_to_rewrite): New variable.
	(marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
	unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
	New functions.
	(release_ssa_name): Do not release ssa names that may have multiple
	* tree.h (release_ssa_name_force, mark_for_rewrite,
	unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
	marked_ssa_names): Declare.
	* tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
	(duplicate_blocks): Remove call to mark_defs_for_rewrite.
	Update call to rewrite_ssa_into_ssa.

2004-08-04  Mark Mitchell  <>

	* defaults.h (TARGET_DECLSPEC): New macro.
	* c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
	* config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
	* config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
	* config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
	__declspec support.
	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
	__declspec support.
	* config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
	__declspec support.
	* config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
	__declspec support.
	* config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
	* doc/tm.texi (TARGET_DECLSPEC): Document.

	* doc/extend.texi: Fix typo in comment.

2004-08-04  Paul Brook  <>

	* target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
	(TARGET_CXX): Use it.
	* target.h (struct gcc_target): Add cdtor_returns_this.
	* config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
	* doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.

2004-08-03  Nathan Sidwell  <>

	* c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
	low/high pair. Do range checking directly.
	(interpret_integer): Adjust.

2004-08-04  Nick Clifton  <>

	* config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
	* doc/invoke.texi: Document this new switch and also the -mrenesas

2004-08-04  Nathan Sidwell  <>

	* cfglayout.c (insn_locators_initialize): Update the current
	location before initializing a location.

2004-08-03  Zack Weinberg  <>

	* dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
	(dbxout_function_end): Return after emitting the "Lscope" symbol
	under the same conditions that this function formerly wasn't called.
	Add explanatory comments.

	PR 14860
	* c-decl.c (record_builtin_type): Call debug_hooks->type_decl
	on the new decl.

	PR 13956
	* dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
	functions, broken out of dbxout_block.
	(dbxout_block): The block at depth 0 should get LBRAC/RBRAC
	stabs too, if it contains symbols.  Use the begin_label and
	the Lscope label (emitted by dbxout_function_end) for the
	range of this block.

2004-08-03  Nathanael Nerode  <>

	* doc/install.texi: Update autoconf version requirements.

2004-08-03  Zack Weinberg  <>

	* defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
	* recog.c (general_operand, immediate_operand, nonmemory_operand)
	(asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
	* regclass.c (record_reg_classes): Likewise.
	* reload.c (find_reloads): Likewise.
	* reload1.c (reload): Likewise.

2004-08-03  Zack Weinberg  <>

	* gensupport.c (init_md_reader_args_cb): Renamed from
	init_md_reader_args.  Add third option, callback function for
	parsing program-specific options.  Add diagnosis of incorrect
	number of input files.
	(init_md_reader): Fold into init_md_reader_args_cb.
	(init_md_reader_args): Now a thin wrapper around
	* gensupport.h: Update prototypes.

	* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
	* genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
	* genrecog.c: No need to diagnose lack of an input file;
	init_md_reader_args will handle it.
	* genconditions.c: Likewise, and use init_md_reader_args.
	* genconstants.c: Likewise, and no need to call read_md_rtx.

2004-08-03  Joseph S. Myers  <>

	* c-decl.c (implicitly_declare): Diagnose incompatible implicit

2004-08-03  Mike Stump  <>

	* config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
	for frameworks.
	* doc/invoke.texi (Darwin Options): Update to reflect above.

2004-08-03  Roger Sayle  <>

	PR middle-end/16790
	* fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
	truncations, not just global truncations.

2004-08-03  Andrew Pinski  <>

	PR bootstrap/16865
	* loop-iv.c (simplify_using_assignment): Initialize lhs.

2004-08-03  Paul Brook  <>

	* doc/install.texi: Document MPFR requirement.

2004-08-03  Maciej W. Rozycki  <>

	* aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
	and mmap() explicitly instead of relying on preset autoconf cache
	* configure: Regenerate.

2004-08-03  H.J. Lu  <>

	PR target/16570
	* config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
	to tmake_file.
	(i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
	(i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
	to tmake_file.

	* config/i386/t-gmm_malloc: New file.
	* config/i386/t-pmm_malloc: Likewise.

	* config/i386/xmmintrin.h: Include <mm_malloc.h>.

2004-08-03  H.J. Lu  <>
	    Tanguy Fautrà <>

	* config/i386/pmm_malloc.h: New file.

2004-08-03  Danny Smith  <>

	* config/i386/gmm_malloc.h: New file.

2004-08-03  Dale Johannesen  <>

	* config/rs6000/rs6000.c (machopic_output_stub): Align Darwin stubs.
	* c-common.c: Include opts.h.
	(c_common_get_alias_set): Fix check for a single input file.
	* toplev.c: Remove current_file_decl.
	* tree.h: Ditto.

2004-08-03  Mark Mitchell  <>

	* config.gcc (arm*-*-symbianelf*): New target.
	* config/arm/symbian.h: New file.

	* gthr-gnat.c: Add visibility #pragmas.
	* gthr-gnat.h : Likewise.
	* gthr.h: Likewise.
	* libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
	(__ffsDI2): Likewise.
	(__clzSI2): Likewise.
	(__ctzSI2): Likewise.
	(__ctzDI2): Likewise.
	(__popcountSI2): Likewise.
	(__popcountDI2): Likewise.
	(__paritySI2): Likewise.
	(__parityDI2): Likewise.
	* libgcc2.h: Add visibility #pragmas.
	(__clzDI2): Add prototype.
	(__clzSI2): Likewise.
	(__ctzSI2): Likewise.
	(__ffsDI2): Likewise.
	(__ffsSI2): Likewise.
	(__ctzDI2): Likewise.
	(__popcountSI2): Likewise.
	(__popcountDI2): Likewise.
	(__paritySI2): Likewise.
	(__parityDI2): Likewise.
	* unwind-dw2-fde.h: Add visibility #pragmas.
	* unwind.h: Likewise.

2004-08-03  David Edelsohn  <>
	    Dale Johannesen  <>
	    Roger Sayle  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
	constants more accurately.  Adjust costs for FMA instructions.
	Add cases for most logical and float operations.  Recurse into
	most operands.

2004-08-03  Richard Earnshaw  <>

	* config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.

2004-08-03  Pat Haugen  <>

	* ra-build.c (conflicts_between_webs): For webs that cross a call add
	conflicts to regs_invalidated_by_call.

2004-08-03  Paul Brook  <>

	* config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.

2004-08-03  Jan Hubicka  <>

	* coverage.c (tree_coverage_counter_ref): Fix computation of the new
	ARRAY_REF argument.

2004-08-03  Richard Earnshaw  <>

	* arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
	arm968es, arm10e, arm1020e, arm1022e.
	* invoke.texi: Update list of ARM cores.
	* Regenerate.

2004-08-03  Richard Earnshaw <>

	* arm/ New file.
	* arm/t-arm: New file.
	* arm/ New file (autogenerated).
	* config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
	* (attribute tune): Delete.  Include

2004-08-03  Paolo Bonzini <>

	* gcc.c (add_prefix, add_sysrooted_prefix): Remove
	penultimate parameter.  All callers adjusted.
	(struct prefix_list): Remove used_flag_ptr.
	(find_a_file): Do not set *pl->used_flag_ptr.
	(warn_B, warn_std_ptr): Remove.

2004-08-03  Yossi Markovich <>
	    Mostafa Hagog <>

	* config/rs6000/ (altivec_vnmsubfp): Fix wrong pattern.

2004-08-02  Geoffrey Keating  <>

	* dwarf2out.c (output_call_frame_info): Don't change data format
	due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
	label.  Use 'true' not '1'.
	* doc/install.texi (powerpc-*-darwin*): Mention cctools version

2004-08-02  Gabriel Dos Reis  <>

	* Reflect previous changes to rtunion_def.

2004-08-02  Roger Sayle  <>

	* fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
	-> "X % Y" is only valid for TRUNC_MOD_EXPR.

2004-08-02  Gabriel Dos Reis  <>

	* vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
	* langhooks.h (lang_hooks::builtin_function): Rename parameter
	from "class" to "bt_class".

2004-08-02  Paul Brook  <>

	PR rtl-optimization/15068
	* flow.c (init_propagate_block_info): Check condition is reversible.

2004-08-02  Gabriel Dos Reis  <>

	* gengtype.h (options::info): Change type to const char *.
	(enum gc_used_enum): Move out of struct type scope.
	* gengtype.c (create_option): Convert initializer for option::info to
	appropiate type.
	(adjust_field_type, walk_type, write_func_for_structure,
	write_root, write_roots): Remove pointless cast.

2004-08-02  J"orn Rennecke <>

	* genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.

2004-08-02  Gabriel Dos Reis  <>

	* rtl.h (union rtunion_def): Have all members  start with the
	prefix "rt_".
	* gengtype.c (adjust_field_rtx_def): Likewise.
	* rtlanal.c (loc_mentioned_in_p): Likewise.

2004-08-02  Richard Sandiford  <>

	* config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
	Replace uses of mips/elf64.h with mips/elf.h
	(ASM_OUTPUT_DEF): Fix formatting.
	* config/mips/elf64.h: Delete.

2004-08-01  Zack Weinberg  <>

	* config/ia64/ia64.c (got_symbolic_operand): Do require a
	symbol+offset operand to have its offset be zero mod 0x3fff
	when GOT entries are in use.  Clarify logic in SYMBOL_REF
	case.  Clarify comments.
	(ia64_expand_load_address): Split a symbol+offset load when
	the offset is nonzero mod 0x3fff, not 0x1fff.

2004-08-01  Geoffrey Keating  <>

	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
	if trying to *store* to a non-offsettable address.
	* config/rs6000/ (movtf_internal): Don't move GPRs to
	a nonoffsettable address.
	(movdi_internal32): Don't move GPRs to a nonoffsettable address.
	Clean up.
	(movti_string): Don't move GPRs to a nonoffsettable address.
	(movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.

2004-08-02  Ben Elliston  <>

	PR target/16155
	* config/rs6000/altivec.h: Replace typeof with __typeof__.

2004-08-01  Richard Henderson  <>

	* expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
	variable sized types.

2004-08-01  Richard Sandiford  <>

	* doc/invoke.texi: In the MIPS options section, remove the passage
	saying that -mexplicit-relocs is usually disabled for -mabicalls
	* config/mips/mips.c (override_options): Remove the code that enforced
	this rule.

2004-08-01  Richard Sandiford  <>

	* config/mips/ (cprestore): Provide two alternatives, one for
	an in-range offset and one for an out-of-range offset.  Wrap the latter
	in .set macro/.set nomacro if it's inside a .set nomacro block.

2004-08-01  Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_gp_save_slot): Remove.
	(mips_restore_gp): Declare.
	* config/mips/mips.c (mips_add_offset): Add a scratch register
	argument.  Reimplement in rtl only, reusing MIPS16 logic from
	(mips_legitimize_address, mips_legitimize_const_move): Adjust calls
	to mips_add_offset.
	(mips_gp_save_slot): Delete.
	(mips_restore_gp): New function.
	(mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
	* config/mips/ (exception_receiver): Turn into a
	define_insn_and_split.  Use mips_restore_gp to do the split.
	(call_internal, call_value_internal, call_value_multiple_internal): Use
	mips_restore_gp to restore $gp.

2004-07-31  Andrew Pinski  <>

	PR other/16842
	* (libsubdir): s/gcc-lib/gcc/.

2004-07-31  Joseph S. Myers  <>

	* c-decl.c (diagnose_mismatched_decls): Give error for external
	redeclaration of identifier declared with no linkage, not just
	warning with -Wtraditional.  Do not check DECL_CONTEXT to give
	error for redeclaration with no linkage.

2004-07-30  Geoffrey Keating  <>
	    Fariborz Jahanian <>

	* config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
	non-offsettable addresses even for DImode.
	(rs6000_split_multireg_move): Cope with non-offsettable addresses
	being moved into multiple GPRs.

	* config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
	to 64.
	(rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
	* config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
	to 128.
	* config/rs6000/darwin-ldouble.c (isless): New macro.
	(inf): New macro.
	(nonfinite): New macro.
	(FPKINF): Delete.
	(_xlqadd): Completely rewrite.
	(_xlqmul): Correct overflow handling.
	(_xlqdiv): Correct overflow handling.
	* config/rs6000/darwin-ldouble-format: New file.

2004-07-30  Roger Sayle  <>
	    Richard Henderson  <>

	* config/i386/ New peephole2's to convert imul by 3, 5 or
	9 into the equivalent lea instruction.

2004-07-30  Richard Henderson  <>

	* gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
	with DECL_INITIAL if fb_lvalue.
	* tree-gimple.c (is_gimple_id): Add CONST_DECL.
	* tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
	with <Cxxx>.
	* tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.

2004-07-30  Diego Novillo  <>

	* tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
	pointer escapes through a function call, assume that the
	callee will dereference it.
	(add_pointed_to_var): Assume that VALUE is always an
	(collect_points_to_info_r): Only call add_pointed_to_var if
	the value is an ADDR_EXPR.

2004-07-30  Diego Novillo  <>

	* tree-ssa-alias.c (create_alias_map_for): Do not get the
	alias set of the inner type of ARRAY_TYPEs.

2004-07-29  Diego Novillo  <>

	* tree-ssa-ccp.c (visit_assignment): Move code to prevent
	setting a non-register to UNDEFINED right before the call to

2004-07-29  Kaz Kojima  <>

	* config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.

2004-07-29  Diego Novillo  <>

	* tree-ssa.c (verify_flow_sensitive_alias_info): When
	comparing points-to sets of different pointers, make sure the
	second pointer is actually referenced in the code.

2004-07-29  Zack Weinberg  <>

	* config/ia64/ia64.c (setjmp_operand): Delete, unused.
	(got_symbolic_operand): Remove unreachable code.
	* config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
	setjmp_operand; add entry for tls_symbolic_operand.
	* config/ia64/ia64-protos.h: Remove all prototypes of
	predicate functions.

2004-07-29  Mark Mitchell  <>

	* c-common.h (lang_post_pch_load): New variable.
	* c-pch.c (lang_post_pch_load): Define it.
	(c_common_read_pch): Use it.
	* cgraphunit.c (record_call_1): Give the front end a chance to
	record additional needed entities when a variable is marked as
	* tlink.c (recompile_files): Robustify.
	(scan_linker_output): If a symbol is assigned to a file,
	but after recompilation is not present there, issue an error

2004-07-29  Zdenek Dvorak  <>

	* tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
	Take orig_loop argument and pass it to set_level.
	(schedule_sm): Pass the correct orig_loop to force_move_till.

2004-07-29  Zdenek Dvorak  <>

	* cfgloop.c (update_latch_info): Update dominator of the new block.
	(canonicalize_loop_headers, flow_loops_find): Do not free dominance
	* dominance.c (verify_dominators): Check that the dominance tree is
	(recount_dominator): Ignore unreachable blocks.
	(iterate_fix_dominators): Cleanup old dominance information before
	recomputing it.

2004-07-29  Diego Novillo  <>

	* tree-ssa-operands.c (get_expr_operands): Revert changes
	to ADDR_EXPR processing introduced by:
	    2004-06-21  Richard Kenner  <>
	    * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.

2004-07-29  Joseph S. Myers  <>

	* doc/implement-c.texi: Add C90 subclause references.  Point to
	preprocessor documentation instead of duplicating it.  Add points
	only present in C90.  Fill in documentation for all points.

2004-07-29  John David Anglin  <>

	* pa.c (output_movb): Correct typo.

2004-07-29  Pat Haugen  <>

	* ra.h (single_reg_in_regclass): Declare.
	* ra.c (single_reg_in_regclass): Define.
	(first_hard_reg): New.
	(init_ra): Initialize single_reg_in_regclass.
	* ra-colorize.c (ok_class): New.
	(coalesce, aggressive_coalesce, extended_coalesce_2): Use it.

2004-07-29  Nathan Sidwell  <>

	* gcov-io.h: Allow zero tag as EOF indicator.
	(gcov_is_eof): Remove.
	(gcov_truncate): Remove.
	* gcov-io.c (gcov_seek): Always SEEK_SET.
	* libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
	EOF tag.
	* coverage.c (read_counts_file): Don't use gcov_is_eof.
	* gcov-dump.c (dump_file): Likewise.
	* gcov.c (read_graph_file, read_count_file): Likewise.

	* c-decl.c (complete_array_type): Don't gratuitously copy
	maxindex.  Check it always has a type.

2004-07-29  Steven Bosscher  <>

	* rtl.c (currently_expanding_to_rtl): New.
	* rtl.h (currently_expanding_to_rtl): Export it.
	* cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.

	* config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
	inliner hack.
	* config/sh/sh.c: Replace rtx_equal_function_value_matters
	with currently_expanding_to_rtl.
	* config/sh/ Likewise.
	* config/ia64/ia64.c (got_symbolic_operand): Likewise.

2004-07-29  Alexandre Oliva  <>

	Introduce sh2a support.
	2004-07-29  Alexandre Oliva  <>
	* config.gcc: Build multilibs for sh2a and sh2a-single by
	* config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
	default.  Split their tests out of the corresponding SH4
	* config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
	multilibs for SH2a.
	2004-07-28  Alexandre Oliva  <>
	* config.gcc: Handle sh2a multilibs and cpu selection.
	* config/sh/sh.h: Likewise.  Handle sh2a command line flags.
	* config/sh/t-mlib-sh2a: New.
	* config/sh/t-mlib-sh2a-nofpu: New.
	* config/sh/t-mlib-sh2a-single: New.
	* config/sh/t-mlib-sh2a-single-only: New.
	2004-07-09  Nick Clifton  <>
	Issue 43400
	* config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
	-ml and -m2a are used together.
	2004-03-23  DJ Delorie  <>
	* config/sh/sh.c (sh_builtin_saveregs): Use the double code only
	when we have a double-sized FPU.
	2004-02-24  Corinna Vinschen <>
	* config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
	is set.
	* config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
	-msh2a-single and -msh2a-single-only
	2004-02-24  Corinna Vinschen <>
	* config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
	is set.
	2004-02-20  DJ Delorie  <>
	* config/sh/ (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
	2004-02-20  Fred Fish <>,
	Corinna Vinschen <>
	* config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
	(MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
	2004-02-18  DJ Delorie  <>
	* config/sh/sh.c (broken_move): Add support for movi20.
	* config/sh/sh.h: Likewise.
	* config/sh/ (udivsi3_sh2a): New.
	(udivsi3): Call it.
	(divsi3_sh2a): New.
	(divsi3): Call it.
	(mul_r): New.
	(ashlsi3_sh2a): New.
	(ashrsi3_sh2a): New.
	(lshrsi3_sh2a): New.
	(movsi_i): Disable for sh2a.
	(movsi_ie): Add movi20.
	(movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
	sh2a, for -m2a-nofpu mode.
	2004-02-13  DJ Delorie  <>
	* config/sh/lib1funcs.asm: Handle double vs single better.
	* config/sh/sh.h: Likewise.
	2004-02-09  DJ Delorie  <>
	* config/sh/crt1.asm: Add support for sh2a.
	* config/sh/elf.h: Likewise.
	* config/sh/lib1funcs.asm: Likewise.
	* config/sh/sh.c: Likewise.
	* config/sh/ Likewise.
	* config/sh/sh.h: Likewise.
	* config/sh/t-sh: Likewise.

2004-07-28  Alexandre Oliva  <>

	* config/frv/ (movqi_internal, movhi_internal,
	movsi_internal): Add backup alternatives for memory inputs.

2004-07-28  Matt Austern  <>

	* config/darwin.c (darwin_one_byte_bool): New global variable.
	* config/darwin.h (darwin_one_byte_bool): Declare.
	(SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
	* config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
	value of darwin_one_byte_bool.
	* doc/invoke.texi: Document -mone-byte-bool flag.

2004-07-28  Eric Christopher  <>

	* c-common.c (c_common_unsafe_for_reeval): Delete.
	* c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
	* c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
	* calls.c (fix_unsafe_tree): Delete.
	(expand_call): Delete code which used above.
	* dojump.c (do_jump): Delete UNSAVE_EXPR case.
	* expr.c (expand_expr_real_1): Ditto.
	* fold-const.c (non_lvalue): Ditto.
	* langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
	(lhd_unsafe_for_reeval): Ditto.
	* langhooks.c (lhd_unsafe_for_reeval): Ditto.
	* langhooks.h (unsafe_for_reeval): Ditto.
	(unsave_expr_now): Adjust comment.
	* tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
	(estimate_num_insns_1): Ditto.
	* tree-pretty-print.c (dump_generic_node): Ditto.
	* tree.c (expr_align): Ditto.
	(unsave_expr): Delete.
	(unsafe_for_reeval): Ditto.
	* tree.h (unsafe_for_reeval, unsave_expr): Ditto.
	* tree.def (UNSAVE_EXPR): Delete.
	* objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.

2004-07-28  Zack Weinberg  <>

	* tree.h (enum tls_model): Move ...
	* coretypes.h: ... here.

2004-07-28  Richard Sandiford <>

	* config/frv/frv.h (EPILOGUE_USES): New.  Use LR.

2004-07-28  Richard Sandiford  <>

	* cse.c (validate_canon_reg): New function, split out from...
	(canon_reg):  Use validate_canon_reg for both 'e' and 'E'.

2004-07-28  Diego Novillo  <>

	* tree-ssa-alias.c (maybe_create_global_var): Don't just
	return if .GLOBAL_VAR has been created.

2004-07-28  Diego Novillo  <>

	* tree-ssa.c (verify_flow_insensitive_alias_info): Process
	every variable that may have aliases, not just tags.

2004-07-28  Aldy Hernandez  <>

	* config/rs6000/ ("move_from_CR_gt_bit"): Rename to

	* config/rs6000/ ("e500_flip_gt_bit"): Rename to

	* config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to

	* config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
	(rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
	Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
	(print_operand): case D.  Get to EQ bit.

2004-07-28  Richard Sandiford  <>

	* gcov.c (function_summary): Add missing \n.

2004-07-28  Alexandre Oliva  <>

	Introduce sh4a support.
	* config.gcc: Handle sh4a multilibs and cpu selection.
	* config/sh/sh.h: Likewise.  Handle sh4a command line flags.
	* config/sh/t-mlib-sh4a: New.
	* config/sh/t-mlib-sh4al: New.
	* config/sh/t-mlib-sh4a-nofpu: New.
	* config/sh/t-mlib-sh4a-single: New.
	* config/sh/t-mlib-sh4a-single-only: New.
	2004-02-20  DJ Delorie  <>
	* config/sh/ ("movua"): Change constraint from "m" to "Sua".
	* config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
	2003-08-22  Eric Christopher  <>
	* config/sh/ Update for chip errata.
	2003-08-07  Eric Christopher  <>
	* config/sh/ New file. sh4a processor description.
	2003-07-08  Alexandre Oliva  <>
	* config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
	of -m4a-nofpu.
	(SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
	* config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
	* doc/invoke.texi (SH Options): Document -m4al.
	2003-07-03  Alexandre Oliva  <>
	* config/sh/sh.c (expand_block_move): Remove commented-out code
	checked in by mistake.
	(sh_cannot_change_mode_class): Enable SUBREGs to be used to select
	single elements from SFmode vectors.
	* config/sh/ (fsca): Use VEC_CONCAT to initialize the output
	(sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
	2003-07-01  Alexandre Oliva  <>
	* config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
	sh_fsca_int2sf): Remove variable declarations.
	* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
	sh_fsca_int2sf): New functions.
	(sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
	sh_fsca_int2sf_rtx): New static variables.
	* config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
	sh_fsca_int2sf): Declare.
	* config/sh/ Adjust.
	* doc/invoke.texi (SH Options): Document new options.
	* config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
	compatibility from SH4 code.
	2003-06-27  Alexandre Oliva  <>
	* config/sh/sh.c (expand_block_move): Don't emit POST_INC too
	(memory_movsrc_operand): Renamed to...
	(unaligned_load_operand): ... this.  Simplified.
	* config/sh/sh.h (PREDICATE_CODES): Adjust.
	* config/sh/ (movua, extv, extzv): Likewise.  Change movua's
	input operand to SImode, and adjust the others.  Introduce
	post-increment by peephole.
	* config/sh/sh.c (expand_block_move): Give the target address the
	same mode as the temp reg.
	* config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
	2003-06-26  Alexandre Oliva  <>
	Introduce support for SH4a.
	* config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
	__SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
	* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
	sh_fsca_int2sf): New.
	(sh_init_builtins): Initialize them.
	(print_operand): Support `d'.
	(expand_block_move): Use movua if src is misaligned.
	(memory_movsrc_operand): New.
	* config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
	and one of the SH4 macros.
	(TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
	(SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
	(sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
	(OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
	(enum processor_type): Added PROCESSOR_SH4A.
	(PREDICATE_CODES): Add memory_movsrc_operand.
	* config/sh/ Removed unused variables.
	(attr cpu): Add sh4a.
	(attr type): Add movua, fsrra and fsca.
	(prefetch): New, for SH4.
	(ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
	(toggle_sz): Set type to fp.
	(toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
	(movua, extv, extzv): New.
	* config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
	and 4a-single-only.

2004-07-28  Diego Novillo  <>

	* tree-optimize.c (init_tree_optimization_passes): Schedule
	pass_may_alias right after the program is renamed into SSA.
	* tree-pass.h (PROP_alias): Define.
	* tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
	* tree-sra.c (pass_sra): Likewise.
	* tree-ssa-ccp.c (pass_ccp): Likewise.
	* tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
	* tree-ssa-dce.c (pass_dce): Likewise.
	* tree-ssa-dom.c (pass_dominator): Likewise.
	* tree-ssa-dse.c (pass_dse): Likewise.
	* tree-ssa-forwprop.c (pass_forwprop): Likewise.
	* tree-ssa-loop-ch.c (pass_ch): Likewise.
	* tree-ssa-phiopt.c (pass_phiopt): Likewise.
	* tree-ssa-pre.c (pass_pre): Likewise.
	* tree-tailcall.c (pass_tail_recursion): Likewise.
	* tree-ssa.c (pass_redundant_phi): Likewise.
	* tree-ssa-alias.c (aliases_computed_p): Remove.
	Update all users.
	(init_alias_info): Do not mark all type tags for renaming
	Clear may_aliases from every symbol.
	(setup_pointers_and_addressables): If a pointer has not been
	dereferenced and it had a type tag, clear it and mark the old
	tag for renaming.

2004-07-28  Diego Novillo  <>

	PR tree-optimization/16705
	* tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on

2004-07-27  Richard Kenner  <>

	* expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error

	* gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
	don't make another one.

	PR optimization/15077
	* function.h (struct function): Add field saved_static_chain_decl.
	Fix comment for static_chain_decl.
	* tree-inline.c (save_body): Add new arg and handle static_chain_decl.
	* tree-inline.h (save_body): Add new arg.
	* tree-optimize.c (tree_rest_of_compilation): Handle saving

2004-07-27  Richard Henderson  <>

	* gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
	(gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
	* tree-gimple.c (is_gimple_addressable): Rename from
	is_gimple_addr_expr_arg; accept INDIRECT_REF.
	(is_gimple_lvalue): Don't test INDIRECT_REF directly.
	* tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
	rename to is_gimple_addressable.

2004-07-28  Alan Modra  <>

	* config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.

2004-07-27  Richard Henderson  <>

	* function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
	before rounding.

2004-07-27  Zack Weinberg  <>

	* libgcc2.c: Change all conditionals testing
	* libgcc2.h: Likewise.
	* config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
	TYPE_PRECISION of float80_type to 80.
	* config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
	of fpreg_type and float80_type to 80.
	* config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
	* config/m68k/netbsd-elf.h:
	to evaluate to 80 whenever they would formerly have evaluated to 96.
	* config/i386/sco5.h: Remove unnecessary redefinition of
	* doc/rtl.texi: Clarify uses of XFmode and TFmode.
	* config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
	XFmode, with a bitsize of 80.  Update commentary.
	* config/ia64/ia64-modes.def: Likewise.
	* config/m68k/m68k-modes.def: Likewise.

2004-07-27  Steven Bosscher  <>

	* cfgexpand.c (tree_expand_cfg): Fix comment.

	* calls.c (expand_call): Ignore rtx_equal_function_value_matters.
	* function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
	(prepare_function_start): Don't set rtx_equal_function_value_matters.
	* integrate.c (copy_rtx_and_substitute): Don't test for it.
	* passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
	Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
	here again.  Update leading comment.
	* rtl.c (rtx_equal_function_value_matters): Remove.
	(rtx_equal_p): Don't test for it.
	* simplify-rtx.c (simplify_binary_operation, simplify_subreg):

	* rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
	* rtl.c (note_insn_name): Likewise.
	* emit-rtl.c (remove_unnecessary_notes): Don't handle it.
	* final.c (final_scan_insn): Likewise.

	* except.c (finish_eh_generation): Don't call cfg_cleanup from here.
	* passes.c (rest_of_handle_eh): Do it here.

	* stmt.c (struct nesting): Remove struct nesting block member.
	(struct stmt_status): Remove x_block_start_count field.
	(current_block_start_count): Remove.

2004-07-27  Brian Booth  <>

	* tree-optimize.c (register_one_dump_file): Update condition that uses
	(dup_pass_1): Replace with...
	(next_pass_1): This.
	(NEXT_PASS): Call next_pass_1.
	(DUP_PASS): Remove.
	(init_tree_optimization_passes): Remove uses of DUP_PASS.
	(execute_one_pass): Update condition that uses
	* tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed

2004-07-27  Nick Clifton  <>

	* config/m32r/m32r.c: Include integrate.h in order to get the
	prototype for get_hard_reg_initial_val().

	* config/m32r/ (m32rpipeline): Remove unused value "m32r"
	and tidy up indentation.
	(final_presence_set): Use absence_set instead, so that if there is
	nothing in the "o" pipe the "s" pipe can be scheduled.

2004-07-27  Diego Novillo  <>

	* tree-ssa-alias.c (create_name_tags): Ignore pointers that
	don't have PT_VARS nor PT_MALLOC set.
	Clear name tag from pointers that have not been dereferenced.
	(set_pt_anything, set_pt_malloc): Forward declare.
	* tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
	not type compatibility when determining if a pointer can be
	copy propagated.

2004-07-27  Richard Sandiford  <>

	* expr.h (canonicalize_condition, get_condition): Add an int argument.
	* gcse.c (fis_get_condition): Reimplement using get_condition, leaving
	it to check whether the condition is still valid at the jump insn.
	* ifcvt.c (noce_get_condition): Likewise.
	(noce_get_alt_condition): Update call to canonicalize_condition.
	* loop-iv.c (simplify_using_initial_values): Update call to
	get_condition.  Remove FIXME.
	(check_simple_exit): Update call to get_condition.
	* loop-unswitch.c (may_unswitch_on): Likewise.
	* loop.c (check_dbra_loop): Likewise.
	(canonicalize_condition, get_condition): Add an argument to say whether
	the condition must still be valid at INSN.
	(get_condition_for_loop): Update call to get_condition.  Require that
	the condition be valid at INSN.
	* predict.c (estimate_probability): Update call to get_condition.
	Remove unused earliest parameter.
	(expected_value_to_br_prob): Update call to canonicalize_condition.

2004-07-26  Eric Christopher  <>

	* tree-dfa.c (add_referenced_var): Register initializers of global

2004-07-26  Paolo Bonzini  <>

	* config/i386/i386.c (function_arg): Always treat 8-
	and 16-byte wide vectors the same, even if MMX/SSE
	are disabled.
	(contains_128bit_aligned_vector_p): Add comment.

2004-07-26  J"orn Rennecke <>

	* ra.h (enum node_type): Rename to:
	(enum ra_node_type).
	* ra-colorize.c: Likewise.

2004-07-26  Richard Sandiford  <>

	* cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
	after simplifying the jump.

2004-06-26  Richard Henderson  <>

	* calls.c (combine_pending_stack_adjustment_and_call): Make
	preferred_unit_stack_boundary argument unsigned.  Make
	unadjusted_alignment unsigned.
	(expand_call): Make preferred_stack_boundary and
	preferred_unit_stack_boundary variables unsigned.
	* function.c (assign_stack_local_1): Make alignment unsigned.
	* function.h (struct function): Make stack_alignment_needed,
	preferred_stack_boundary unsigned.
	* config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
	(ix86_compute_frame_layout): Make stack_alignment_needed,
	preferred_alignment variables unsigned.
	* config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.

2004-07-26  Tom Tromey  <>

	* tree.h: Fix typo in comment.

2004-07-26  Daniel Jacobowitz  <>

	PR bootstrap/12804
	* ggc-zone.c (struct alloc_chunk): Remove attribute packed.
	(MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
	(ggc_free): Remove incorrect freeing.
	(sweep_pages): Advance PP for large pages.  Fix indentation.

2004-07-26  Richard Sandiford  <>

	PR rtl-optimization/16643
	* cfglayout.h (cfg_layout_initialize): Add a flags parameter.
	* cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
	* basic-block.h (reorder_basic_blocks): Add a flags parameter.
	* cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
	(partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
	* function.c (thread_prologue_and_epilogue_insns): Likewise.
	* rtl.h (tracer): Add a flags parameter.
	* tracer.c (tracer): Pass it to cfg_layout_initialise.
	* passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
	(rest_of_handle_reorder_blocks): Update calls to tracer and
	reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
	(rest_of_handle_tracer): Pass 0 to tracer.
	(rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.

2004-07-25  David Edelsohn  <>

	PR target/16239
	* config/rs6000/ (movdi_internal64): Further disparage

2004-07-24  Nathan Sidwell  <>

	* tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
	(struct tree_binfo): Make base_accesses a VEC(tree) pointer.
	* dbxout.c (dbxout_type): Adjust binfo access accessing.
	* dwarf2out.c (gen_member_die): Likewise.
	* tree-dump.c (deque_and_dump): Likewise.

2004-07-26  Falk Hueffner  <>

	* config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div

2004-07-25  Roger Sayle  <>

	* config/i386/i386.c (output_fp_compare): Use ffreep to pop top
	value off of the stack if TARGET_USE_FFREEP.

2004-07-26  Bernardo Innocenti  <>

	* gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
	* gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
	* c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
	check on invocation of XRESIZEVEC ().

2004-07-26  Bernardo Innocenti  <>

	* c-common.c (disable_builtin_function): Rename variable n to
	* c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
	Rename local variable old to old_decl.
	* gensupport.c (shift_output_template): Rename parameter old to src.
	* simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
	old_rtx and newx to new_rtx.

2004-07-26  Bernardo Innocenti  <>

	* (C_PRAGMA_H): New variable to track dependencies
	of c-pragma.h.
	* c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
	enum cpp_ttype.
	* c-lex.c: Likewise.

2004-07-25  Roger Sayle  <>

	* fold-const.c (constant_boolean_node): Make extern.
	(make_range): Wrap long lines.
	(fold_cond_expr_with_comparison): Remove unnecessary call to
	pedantic_non_lvalue.  Add missing calls to fold_convert.
	(fold_truthop): Add missing calls to fold_convert.
	(fold): Likewise.
	* tree.h (constant_boolean_node): Add prototype here.
	* builtins.c (expand_builtin_strncmp): Add missing calls to
	* tree-ssa-dom.c (record_equivalences_from_incoming_edge):
	Call fold_convert and constant_boolean_node to correct types.
	* tree-ssa-forwprop.c (substitute_single_use_vars): Add
	missing call to fold_convert to correct types.

2004-07-26  Niall Douglas  <>
	    Brian Ryner  <>

	PR c++/9283
	PR c++/15000
	* c-common.c (c_common_attribute_table): Allow
	handle_visibility_attribute to be called for types.
	(handle_visibility_attribute) When given a type, set the visibility
	bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
	so that we can check later whether the attribute was present. Added
	warning if attribute applied to non class type.
	* c-decl.c (diagnose_mismatched_decls): Updated rules for merging
	decls and checking that they are consistent.
	* common.opt: Added -fvisibility.
	* c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
	* c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
	* flags.h, tree.h: Added assorted support defines for overall patch
	* opts.c: Added parsing support for -fvisibility.
	* tree.c (build_decl): Set visibility for all decls to be whatever
	is in force at that time.
	* varasm.c (default_binds_local_p_1): Reworked logic determining
	when to make a symbol locally bound.
	* doc/invoke.texi: Added documentation for -fvisibility and

2004-07-25  Bernardo Innocenti  <>

	* basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
	* c-common.c: Add missing casts from void * to other types.
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-lex.c: Likewise.
	* c-pragma.c: Likewise.
	* c-typeck.c: Likewise.
	* defaults.h: Likewise.
	* genconstants.c: Likewise.
	* gengtype-lex.l: Likewise.
	* genmodes.c: Likewise.
	* read-rtl.c: Likewise.
	* rtl.c: Likewise.

2004-07-25  Bernardo Innocenti  <>

	* bitmap.c: Use type-safe memory allocation macros from libiberty.
	* c-common.c: Likewise.
	* c-decl.c: Likewise.
	* c-lang.c: Likewise.
	* c-lex.c: Likewise.
	* c-opts.c: Likewise.
	* Likewise.
	* c-typeck.c: Likewise.
	* genconditions.c: Likewise.
	* gengtype-lex.l: Likewise.
	* gengtype-yacc.y: Likewise.
	* gengtype.c: Likewise.
	* genmodes.c: Likewise.
	* gensupport.c: Likewise.
	* read-rtl.c: Likewise.
	* read-rtl.c (read_constants): Use INSERT instead of TRUE in call to

2004-07-25  Bernardo Innocenti  <>

	* c-decl.c (groktypename, groktypename_in_param_context): Rename
	variable typename to type_name.
	* c-lex.c (interpret_float): Likewise.

2004-07-25  Roger Sayle  <>

	* convert.c (convert_to_real, convert_to_integer,
	convert_to_complex): Replace calls to build with calls to buildN.
	* coverage.c (tree_coverage_counter_ref): Likewise.
	* dojump.c (do_jump): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree): Likewise.
	* emit-rtl.c (component_ref_for_mem_expr,
	set_mem_attributes_minus_bitpos): Likewise.
	* explow.c (update_nonlocal_goto_save_area): Likewise.
	* expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
	expand_mult_add): Likewise.
	* expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
	store_constructor, get_inner_reference, expand_expr_real_1,
	try_casesi, try_tablejump): Likewise.
	* function.c (expand_function_start): Likewise.
	* stmt.c (emit_case_bit_tests, expand_end_case_type,
	node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
	* stor-layout.c (place_union_field, layout_type): Likewise.
	* tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
	* varasm.c (copy_constant): Likewise.

2004-07-25  Bernardo Innocenti  <>

	* c-common.c: Rename all identifiers named `new'.
	* c-decl.c: Likewise.
	* gensupport.c: Likewise.
	* simplify-rtx.c: Likewise.
	* c-common.c (disable_builtin_function): Replace a call to xmalloc()
	with XNEW().
	* gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
	with XNEWVEC().

2004-07-25  Joseph S. Myers  <>

	PR c/15360
	* c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
	declarations until after calling pushdecl.
	(grokdeclarator): Set DECL_EXTERNAL for variables based on use of
	"extern" and not on whether the declaration is initialized.

2004-07-25  Daniel Jacobowitz  <>

	* config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
	(sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
	* config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
	"cpplib.h", "c-pragma.h", "c-common.h".
	(solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
	(solaris_register_pragmas): New functions.
	* config/sol2-protos.h: New file.
	* config/sol2.c: New file.
	(solaris_pending_aligns, solaris_pending_inits)
	(solaris_pending_finis): New variables.
	* config/t-sol2 (sol2-c.o): Update dependencies.
	(sol2.o): New rule.
	* config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
	(ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
	* config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
	* config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
	* config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
	* config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
	* config/sparc/sparc.c (sparc_attribute_table): New.
	(TARGET_INSERT_ATTRIBUTES): Define in terms of
	is defined.
	* doc/extend.texi (Solaris Pragmas): New section.

2004-07-25  Bernardo Innocenti  <>

	* c-common.c: Rename all identifiers named `class' to `cl'.
	* c-common.h: Likewise.
	* Likewise.
	* c-typeck.c: Likewise.
	* genmodes.c: Likewise.
	* real.c: Likewise.
	* real.h: Likewise.
	* recog.c: Likewise.
	* recog.h: Likewise.
	* regrename.c: Likewise.
	* tree.h: Likewise.
	* c-common.c (builtin_function_2): Change type of 5th parameter from
	int to enum built_in_function. Change type of 8th parameter from int
	to bool.
	* c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
	with GGC_CNEW().
	* c-typeck.c (convert_arguments): Change type of formal_prec from
	int to unsigned int.
	* genmodes.c (blank_mode): Make a few negative constants unsigned.
	(complete_all_modes, calc_wider_mode, emit_insn_modes_h,
	emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
	emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
	emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
	iterator to for_all_modes () instead of an enum because enums can't
	be incremented in C++.

2004-07-25  Daniel Jacobowitz  <>

	* regmove.c (optimize_reg_copy_1): Don't try to replace call-used
	hard registers.

2004-07-25  Richard Kenner  <>

	* tree-ssa-operands.c (get_stmt_operands, get_expr_operands):

2004-07-25  Joseph S. Myers  <>

	* c-typeck.c (digest_init): Don't allow arrays of signed or
	unsigned variants of wchar_t to be initialized by wide string
	constants.  Do allow arrays of enumerated types compatible with
	wchar_t to be initialized by wide string constants.  Refine tests
	distinguishing wide and narrow strings and arrays.  Give specific
	error for arrays of other integer types initialized by string
	(output_init_element, process_init_element): Check for
	INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
	initializing with string constants.

2004-07-25  Richard Henderson  <>

	* c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
	on the RESULT_DECL.
	* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
	* integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
	DECL_IGNORED_P to new decl.

2004-07-24  Zack Weinberg  <>

	* config/ia64/ia64.c (general_xfmode_operand)
	(destination_xfmode_operand): Delete.
	* config/ia64/ia64.h (PREDICATE_CODES): Remove them.
	* config/ia64/ (*movxf_internal): Use general_operand
	and destination_operand.

2004-07-24  Alexander Kabaev  <>

	* config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.

2004-07-24  Alexander Kabaev  <>
	    Zack Weinberg  <

	PR 16684
	* c-decl.c (diagnose_mismatched_decls): Don't issue a
	redundant-declaration warning the first time a builtin is
	declared explicitly.

2004-07-25  Bernardo Innocenti  <>

	* tree.h (staticp): Change return type to bool.

2004-07-25  Bernardo Innocenti  <>

	* c-common.c (c_staticp): Last episode of the staticp saga.

2004-07-25  Bernardo Innocenti  <>

	* c-common.h (c_staticp): Change return type from int to bool.
	* tree.c (staticp): Likewise.
	* langhooks.h (staticp): Likewise.

2004-07-25  Bernardo Innocenti  <>

	* langhooks-def.h (lhd_staticp): Change return type from int to
	bool in prototype to match definition.

2004-07-25  Bernardo Innocenti  <>

	* system.h (bool, true, false): Don't redefine as preprocessor macros
	in C++.

2004-07-24  Roger Sayle  <>

	* expmed.c (init_expmed): A signed modulus by a power of two is
	considered cheap if its less than or equal to four instructions.

2004-07-25  Bernardo Innocenti  <>

	GGC_CNEWVAR): New macros.

2004-07-25  Bernardo Innocenti  <>

	* c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
	* c-decl.c: Likewise.
	* c-format.c: Likewise.
	* c-lex.c: Likewise.
	* c-opts.c: Likewise.
	* c-pragma.c: Likewise.
	* c-typeck.c: Likewise.
	* gencheck.c: Likewise.
	* genconditions.c: Likewise.
	* genconfig.c: Likewise.
	* genflags.c: Likewise.
	* gengtype.c: Likewise.
	* gensupport.c: Likewise.
	* ggc-none.c: Likewise.
	* langhooks.c: Likewise.
	* statistics.h: Likewise.
	* stub-objc.c: Likewise.
	* java/decl.c: Likewise.

2004-07-24  Roman Zippel  <>

	* config/m68k/m68k.c (output_scc_di): Fix coding style.
	(symbolic_operand): Fix prototype.
	* config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
	* config/m68k/ Add constants for registers a0 and sp and
	use them, change from the "{...}" syntax to the simpler {...}
	(*cfv4_extendqisi2): Fix destination predicate.
	* config/m68k/m68k-protos.h: Remove various declarations also
	generated via PREDICATE_CODES.

2004-07-23  Mike Stump  <>

	* c-typeck.c (convert_for_assignment): Tightened up pointer
	converstions that differ in signedness.

2004-07-23  Zack Weinberg  <>

	* genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.

2004-07-23  Richard Kenner  <>

	* tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
	* tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.

	* gimplify.c (gimplify_compound_lval): Check for no handled
	operations, rather than checking for explicit list of nodes.
	(is_gimple_addr_expr_arg_or_indirect): New function.
	(gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
	redundant setting of TREE_INVARIANT.
	(gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
	* tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.

2004-07-23  Diego Novillo  <>

	PR tree-optimization/16688
	PR tree-optimization/16689
	* tree-ssa-alias.c (setup_pointers_and_addressables): Remove
	unnecessary initialization of 'tag'.
	(get_tmt_for): Check that the new type tag has the same alias
	set as the pointed-to type.
	(group_aliases): Only regular variables need to be removed
	from the alias set of a name tag.
	* tree-ssa-copy.c (may_propagate_copy): Do not allow copy
	propagation if the two types are not compatible.
	(merge_alias_info): Rename from replace_ssa_names_ann.
	Add more checking.
	(replace_exp_1): If both arguments are SSA_NAMEs, check that
	the propagation can be done.
	Only call merge_alias_info on pointers.
	(propagate_value): Likewise.
	* tree-ssa-copyrename.c: Include langhooks.h.
	(copy_rename_partition_coalesce): Call replace_ssa_name_symbol
	to do the merging.
	Do not coalesce variables with incompatible types.
	(rename_ssa_copies): Call replace_ssa_name_symbol.
	* tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
	the same type as the underlying _DECL.
	* tree-ssanames.c (replace_ssa_name_symbol): New function.
	* tree.h (replace_ssa_name_symbol): Declare.

2004-07-23  Richard Henderson  <>

	PR c++/16277
	* gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
	unshare it properly.
	(gimplify_modify_expr_rhs): Push assignment from a conditional into
	the conditional for all non-register types.

2004-07-23  Richard Henderson  <>

	* expr.c (expand_expr_real_1): Don't handle non-local variables.
	* expr.h (fix_lexical_addr): Remove.
	* function.c (NEED_SEPARATE_AP): Remove.
	(fix_lexical_addr): Remove.
	* tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
	not null decl_function_context.
	(create_alias_vars): Likewise.
	* tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
	(simple_goto_p): Likewise.
	* tree-dfa.c (add_referenced_var): Don't check for non-local variables.
	* tree-ssa-ccp.c (get_default_value): Likewise.
	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
	* tree.c (needs_to_live_in_memory): Likewise.
	* tree-flow-inline.h (may_be_aliased): Move...
	* tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
	when TREE_STATIC variables may be addressable.

2004-07-24  Jakub Jelinek  <>

	* (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.

2004-07-23  Zack Weinberg  <>

	* print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
	bitmap contents if GENERATOR_FILE is defined.
	* (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
	($(BUILD_PREFIX_1)bitmap.o): Delete rule.

2004-07-23  Joseph S. Myers  <>

	* c-decl.c (start_function): Form composite type of function types
	rather than copying type from previous prototype declaration.

2004-07-23  Janis Johnson  <>

	* config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
	the const qualifier for the second argument in the C++ functions.

	* config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
	specific pointer types.

	* config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
	vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
	for vector bool and/or vector pixel, add C++ and C missing support.
	(vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
	vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
	vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
	vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
	vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
	missing C++ and C support for vector bool and/or vector pixel.
	(vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
	vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
	vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
	vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
	vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
	C++ and C types used for vector bool and/or vector pixel.
	(vec_st, vec_stl): Add C++ support for vector pixel.
	(vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
	(vec_all_ne): Add C++ support for vector pixel.

	* config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
	(vec_vmulesb): Add missing C++ function.
	(vec_perm): Fix type of third argument in C++ function.
	(vec_vsum4shs): Fix C++ function name.
	(vec_any_ge): Remove C++ functions for unsupported arg combinations.
	(vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
	argument passed to the error handler in C macro.
	(vec_nmsub): Remove extra parens around argument names in C macro.
	(vec_packpx): Add missing parens in C macro.

2004-07-22  Paolo Bonzini  <>

	* machmode.def: Remove vector modes.
	* config/alpha/alpha-modes.def: Add supported vector modes.
	* config/arm/arm-modes.def: Likewise.
	* config/frv/frv-modes.def: Likewise.
	* config/i386/i386-modes.def: Likewise.
	* config/rs6000/rs6000-modes.def: Likewise.
	* config/sh/sh-modes.def: Likewise.

2004-07-23  Matthias Klose  <>

	* intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
	* config.h: Regenerate.
	* configure: Likewise.

2004-07-22  Mark Mitchell  <>

	* dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
	generated SYMBOL_REFs for labels.
	* config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
	Change prototype.
	(machopic_stub_name): Remove.
	(machopic_indirection_name): New function.
	(machopic_mcount_stub_name): Likewise.
	(machopic_classify_name): Remove.
	(machopic_function_base_sym): New function.
	(machpoic_classify_symbol): Likewise.
	(machopic_classify_ident): Remove.
	(machopic_define_ident): Likewise.
	(machopic_define_name): Likewise.
	(machopic_name_defined_p): Likewise.
	(machopic_ident_defined_p): Likewise.
	(darwin_strip_name_encoding): Likewise.
	(machopic_define_symbol): New function.
	* config/darwin.c (hashtab.h): Include.
	(machopic_defined_list): Remove.
	(machopic_classify_ident): Likewise.
	(machopic_classify_name): Likewise.
	(machopic_ident_defined_p): Likewise.
	(machopic_define_ident): Likewise.
	(machopic_define_name): Likewise.
	(machopic_symbol_defined_p): New function.
	(machopic_classify_symbol): Likewise.
	(machopic_data_defined_p): Use machopic_classify_symbol.
	(machopic_define_symbol): New function.
	(machopic_function_base_sym): New function.
	(machopic_non_lazy_pointers): Remove.
	(machopic_non_lazy_ptr_name): Likewise.
	(machopic_stubs): Likewise.
	(machopic_stub_name): Likewise.
	(STUB_SUFFIX): Likewise.
	(machopic_indirection): New structure.
	(machopic_indirections): New variable.
	(machopic_indirection_hash): New function.
	(machopic_indirection_eq): Likewise.
	(machopic_indirection_name): Likewise.
	(machopic_mcount_stub_name): New function.
	(machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
	hash table.
	(machopic_indirect_data_reference): Rework to use new functions.
	(machopic_indirect_call_target): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	(machopic_output_indirection): New function.
	(machopic_finish): Use it.
	(machopic_operand_p): Rework to use new functions.
	(darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
	(darwin_strip_name_encoding): Remove.
	(update_non_lazy_ptrs): Remove.
	(update_stubs): Likewise.
	(darwin_non_lazy_pcrel): Use new functions.
	* config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
	* config/i386/darwin.h (FUNCTION_PROFILER): Use
	* config/i386/i386.c (x86_output_mi_thunk): Use
	machopic_indirection_name, not machopic_stub_name.
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
	(print_operand): Use machopic_classify_symbol.
	(rs6000_emit_prologue): Use machopic_function_base_sym.
	(output_profile_hook): Do not use machopic_stub_name.
	(macho_branch_isalnds): Do not use darwin_strip_name_encoding.

2004-07-22  Joseph S. Myers  <>

	PR c/7284
	* fold-const.c (extract_muldiv_1): Do not treat signed left shift
	as multiplication.

2004-07-22  Joseph S. Myers  <>

	* doc/implement-c.texi: New file.
	* doc/extend.texi (C Implementation): Move to there.
	* doc/gcc.texi: Include implement-c.texi.
	* (TEXI_GCC_FILES): Add implement-c.texi.

2004-07-22  Jason Merrill  <>

	* integrate.c (copy_decl_for_inlining): Remove invisible reference
	* tree-inline.c (setup_one_parameter): Likewise.

2004-07-22  Brian Booth  <>

	* tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
	(substitute_and_fold): Propigate into VUSE operands when possible.
	(visit_phi_node): Handle UNKNOWN_VAL latticevalue.
	(cp_lattice_meet): Handle merging of latticevalues when
	UNKNOWN_VAL is present.
	(visit_stmt): Visit assignments with V_MUST_DEFs.
	(visit_assignment): Gather ccp information for V_MUST_DEF operands.
	(ccp_fold): Deal with RHS' that are constant and virtual.
	(evaluate_stmt): Handle UNKNOWN_VAL likely values.
	(dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
	(initialize): Mark statements with V_MUST_DEFs as VARYING only if the
	V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
	computing immediate uses.
	(set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
	(replace_vuse_in): New function.
	(likely_value): Add check of vuse operands.
	(get_default_value): Set the default value of virtually defined
	variables to UKNOWN_VAL instead of VARYING.

2004-07-22  Richard Henderson  <>

	* expr.c (emit_push_insn): Don't use set_mem_attributes.

2004-07-22  Richard Henderson  <>

	* tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
	variables due to conditional compilation.

2004-07-22  Diego Novillo  <>

	* tree-into-ssa.c (set_livein_block): Fix typo in comment.
	(rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
	Release SSA names that have been re-renamed.
	* tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
	* tree-ssa-alias.c (init_alias_info): If aliases have been
	computed before, clear existing alias information.
	(create_name_tags): Do no fixup PT_ANYTHING pointers.
	If the new name tag for a pointer is different than the one it
	had before, mark the old tag for renaming.
	(replace_may_alias): New function.
	(group_aliases): Call it.
	(setup_pointers_and_addressables): Always call get_tmt_for.
	(maybe_create_global_var): Don't create .GLOBAL_VAR more than
	(set_pt_anything): New local function.
	(set_pt_malloc): New local function.
	(merge_pointed_to_info): Don't merge pointed-to variables from
	the original pointer if the destination is pointing to an
	unknown location.
	(add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
	(add_pointed_to_var): Do not add a variable to the points-to
	set if the pointer is already pointing to anywhere.
	(collect_points_to_info_r): If the defining statement is a PHI
	node, only merge pointed-to information if the argument has
	already been visited.
	(get_tmt_for): Only create a new tag if the pointer didn't
	have one already.
	(dump_alias_info): Emit more information.
	(dump_points_to_info_for): Likewise.
	* tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
	try to get the annotation of an SSA_NAME.
	* tree-ssa-operands.c (add_stmt_operand): Only check for empty
	alias sets when checking is enabled.
	* tree-ssa-pre.c (need_eh_cleanup): New local variable.
	(eliminate): Mark basic blocks that will need
	EH information cleaned up.
	(init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
	Initialize need_eh_cleanup.
	(fini_pre): Call tree_purge_all_dead_eh_edges and
	cleanup_tree_cfg if needed.
	Free need_eh_cleanup.
	* tree-ssa.c (verify_ssa_name): New function.
	(verify_def): Call it.
	Re-arrange to avoid printing too many error messages.
	(verify_use): Likewise.
	(verify_phi_args): Likewise.
	(verify_flow_insensitive_alias_info): New function.
	(verify_flow_sensitive_alias_info): New function.
	(verify_alias_info): New function.
	(verify_ssa): Call verify_alias_info.
	Clear TREE_VISITED on all the SSA_NAMEs before scanning the
	Re-arrange to avoid printing too many error messages.
	* tree-ssanames.c (make_ssa_name): Clear
	(release_ssa_name): Never release a default definition.
	(release_defs): New function.
	* tree.h: Declare it.
	* tree-ssa-dce.c (remove_dead_stmt): Call it.

2004-07-22  Diego Novillo  <>

	* tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
	If true, do a depth-first search.  Do a breadht-first search,
	(walk_use_def_chains): Add new argument IS_DFS.
	Update all users.
	* tree-flow.h (walk_use_def_chains): Update prototype.

2004-07-22  Hans-Peter Nilsson  <>

	* config/cris/ Tweak formatting.
	(asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
	(mover2side, moverside, movemside, movei, op3, andu): Replace
	live define_peephole:s with define_peephole2 near-equivalents.
	Delete the rest.
	("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
	word-size modes.
	("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
	Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
	"*mov_sidesi_mem" respectively.

2004-07-22  Paolo Bonzini  <>

	* tree-cfg.c (gimplify_val): Move from tree-complex.c.
	(gimplify_build1): Move from tree-complex.c do_unop.
	(gimplify_build2): Move from tree-complex.c do_binop.
	(gimplify_build3): New.
	* tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
	Adjust throughout to call the functions above.
	* tree-flow.h: Declare the functions above.
	* tree-nested.c (gimplify_val): Rename to...
	(tsi_gimplify_val): ... this.

	* (tree_complex.o): Update dependencies.
	(stor-layout.o): Depend on regs.h.
	* c-common.c (handle_vector_size_attribute): Update for
	vector types without corresponding vector modes.
	* expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
	a corresponding vector mode is not available.
	* print-tree.c (print_node): Print nunits for vector types
	* regclass.c (have_regs_of_mode): New.
	(init_reg_sets_1): Initialize it and use it instead
	of allocatable_regs_of_mode.
	* regs.h (have_regs_of_mode): Declare it.
	* stor-layout.c (layout_type): Pick a mode for vector types.
	* tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
	build_replicated_const, do_unop, do_binop, do_plus_minus,
	do_negate, expand_vector_piecewise, expand_vector_parallel,
	expand_vector_addition, expand_vector_operations_1,
	expand_vector_operations, tree_lower_operations,
	pass_lower_vector_ssa, pass_pre_expand): New.
	(expand_complex_operations, pass_lower_complex): Remove.
	* tree-optimize.c (init_tree_optimization_passes): Adjust
	pass ordering for changes in tree-complex.c.
	* tree-pass.h: Declare new passes.
	* tree.c (finish_vector_type): Remove.
	(make_vector_type): New.
	(build_vector_type_for_mode, build_vector_type): Rewritten.
	* tree.def (VECTOR_TYPE): Document where the number of
	subparts is stored.
	(make_vector): Remove declaration.

2004-07-21  Richard Henderson  <>

	* gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
	TREE_THIS_VOLATILE, may_aliases, or optimization level.
	(remove_useless_vars): Dump debugging info.
	(expand_used_vars): Move ...
	* cfgexpand.c (expand_used_vars): ... here.  Make static.
	* tree-flow-inline.h (set_is_used): New.
	(set_default_def): Use get_var_ann.
	* tree-flow.h: Update decls.
	* tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
	(create_ssa_var_map): Use it.
	* tree-ssa.c (set_is_used): Remove.

2004-07-22  Ben Elliston  <>

	* Set a breakpoint on internal_error.

2004-07-21  Richard Henderson  <>

	* cfgexpand.c (expand_gimple_tailcall): Fix case where we need
	to create a new basic block.

2004-07-22  Joseph S. Myers  <>

	PR c/15052
	* c-decl.c (grokdeclarator): Only pedwarn for qualified void
	return type on function definitions.  Move other warnings for
	qualified return type to -Wreturn-type.  Do not condition any such
	warnings on -pedantic.  Update comments.
	(start_function): Only copy function type from previous prototype
	declaration if return types are compatible.
	* c-typeck.c (function_types_compatible_p): Don't condition
	warning for incompatibility of volatile qualifiers on the return
	type on -pedantic.  Update comment.
	* doc/invoke.texi (-Wreturn-type, -Wextra): Update.

2004-07-22  Joseph S. Myers  <>

	* c-typeck.c (set_init_index): Require designator to be of integer

2004-07-22  Joseph S. Myers  <>

	PR c/11250
	* (init): Change to exprtype.
	(primary): Set original_code for STRING to STRING_CST.
	Call maybe_warn_string_init for compound literals.
	(initdcl, notype_initdcl): Call maybe_warn_string_init.
	(initval): Update.
	* c-tree.h (maybe_warn_string_init): New.
	(pop_init_level, process_init_element): Use struct c_expr.
	(struct c_expr): Update comment.
	* c-typeck.c (maybe_warn_string_init): New function.
	(digest_init): Call it.  Additional parameter strict_string.  All
	callers changed.
	(output_init_element): Likewise.
	(struct constructor_stack): Use struct c_expr for
	(really_start_incremental_init, push_init_level): Update.
	(pop_init_level): Update.  Return struct c_expr.
	(process_init_level): Update.  Take struct c_expr argument.

2004-07-21  David S. Miller  <>

	* config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous

2004-07-21  Eric Christopher  <>

	* builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
	* c-decl.c (pop_scope): Ditto.
	* calls.c (expand_call): Remove call to current_nesting_level,
	update comment accordingly. Remove calls to expand_start_target_temps
	and expand_end_target_temps.
	* cfgexpand.c (construct_init_block): Remove call to
	(construct_exit_block): Remove call to expand_end_bindings.
	* expr.c (safe_from_p): Remove BIND_EXPR handling.
	(expand_expr_real_1): Ditto. Fix formatting.
	(expand_vars): Delete.
	* stmt.c (POPSTACK): Remove block_stack.
	(stmt_status): Remove x_block_stack.
	(block_stack): Delete.
	(expand_start_bindings_and_block): Ditto.
	(expand_start_target_temps): Ditto.
	(expand_end_target_temps): Ditto.
	(current_nesting_level): Ditto.
	(warn_about_unused_variables): Ditto.
	(expand_end_bindings): Ditto.
	* tree.h: Remove declarations for above.

2004-07-21  Steven Bosscher  <>

	* rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
	* rtl.c (note_insn_name): Likewise.
	* print-rtl.c (print_rtx): Don't print it.
	* cfgrtl.h (can_delete_note_p): Don't handle it.
	(rtl_delete_block): Likewise.
	* passes.c (rest_of_handle_guess_branch_prob): Remove.
	(rest_of_compilation): Don't call it.
	* predict.c (process_note_predictions, process_note_prediction,
	note_prediction_to_br_prob): Remove.
	* basic-block.c (note_prediction_to_br_prob): Remove prototype.
	* stmt.c (return_prediction): Remove.
	(expand_value_return): Don't call it.  Don't add prediction
	notes for return statements.

2004-07-21  Josef Zlomek  <>

	* var-tracking.c (vt_find_locations): Set the in_pending bitmap at

2004-07-21  Paolo Bonzini  <>

	* c-common.c (vector_types_convertible_p): Use vector types'
	TYPE_SIZE and TREE_TYPE instead of their mode.
	* convert.c (convert_to_integer): Likewise.
	(convert_to_vector): Likewise.
	* fold-const.c (fold_convert): Likewise.
	* varasm.c (output_constant): Likewise.
	* expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
	Allow a VECTOR_TYPE initializer to be made of several vectors.
	For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
	of cleared and need_to_clear, and use fold_convert.
	* c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
	integer vectors.

2004-07-20  Richard Henderson  <>

	* cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
	(expand_gimple_basic_block): out from here.  Renamed from expand_block.

2004-07-20  David S. Miller  <>

	* config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
	enormous cost if not TARGET_HARD_MUL.

2004-07-20  Andrew Pinski  <>

	PR target/16557
	* config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
	(ASM_SPEC): here.

2004-07-21  Paul brook  <>

	* config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.

2004-07-20  Richard Kenner  <>

	* fold-const.c (operand_equal_p): Temporarily support NULL args.
	(operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
	(operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.

2004-07-20  Zack Weinberg  <>

	* rtl.h (plus_constant): Delete.
	(plus_constant_wide): Rename to plus_constant.
	(plus_constant_for_output_wide): Delete vestigial prototype.
	(GEN_INT): Remove unnecessary cast.
	* tree.h (build_int_2, size_int_type): Delete.
	(build_int_2_wide): Rename to build_int_2.
	(size_int_wide): Rename to size_int_kind.
	(size_int_type_wide): Rename to size_int_type.
	(size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
	Remove unnecessary cast.
	* tree.c (build_int_2_wide): Rename build_int_2; update comment.
	* explow.c (plus_constant_wide): Rename plus_constant; update comment.
	* fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
	(size_int_type_wide): Rename size_int_type.
	(int_const_binop): Use size_int_type.
	* c-lex.c (interpret_integer): Use build_int_2.
	* final.c (split_double): Remove unnecessary casts.
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.

2004-07-20  Richard Henderson  <>

	* gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
	(gimplify_compound_lval): Use is_gimple_tmp_reg.
	* tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
	(is_gimple_tmp_reg): New.
	* tree-gimple.h (is_gimple_tmp_reg): Declare.

2004-07-20  Richard Henderson  <>

	* tree-pretty-print.c (dump_generic_node): Dump

2004-07-20  Frank Ch. Eigler  <>

	* tree-mudflap.c (mf_set_options_fndecl): New tree.
	(mudflap_init): Set it.
	(mudflap_register_call): Remove __mf_init call.
	(mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
	to pass "-ignore-reads" option to libmudflap if needed.

2004-07-20  John David Anglin  <>

	PR c++/14607
	* config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
	(MAKE_DECL_ONE_ONLY): Undefine.
	* pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
	readonly_data, one_only_data_section, forget_section): New prototypes.
	* pa.c (pa_init_machine_status, som_text_section_asm_op): New
	(pa_select_section): Add one-only (COMDAT) support.
	* pa.h (struct machine_function): Define.
	(TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
	(EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
	(EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
	* doc/install.texi: Update binutils requirements.

2004-07-20  Nathan Sidwell  <>

	* vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
	VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
	VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
	(struct VEC): Use unsigned for num and alloc.
	* vec.c (struct vec_prefix): Likewise.
	(vec_o_reserve): Adjust.

	* dbxout.c (dbxout_type): Fix printf format.

	* tree.h (binfo_member): Remove.
	* tree.c (binfo_member): Remove.

2004-07-20  Nathan Sidwell  <>

	* tree.h: Include vec.h
	(DEF_VEC_P(tree)): New type.
	(struct tree_binfo): Turn base_binfos into a trailing
	VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
	(binfo_lang_slots): Remove.
	* tree.c (binfo_lang_slots): Remove.
	(make_tree_binfo_stat): Take a base binfo count, not a
	lang slot count.  Adjust.
	* (TREE_H): Add vec.h
	* alias.c (record_component_aliases): Adjust BINFO access.
	* dbxout.c (dbxout_type): Likewise.
	* dwarf2out.c (gen_member_die): Likewise.
	* sdbout.c (sdbout_one_type): Likewise.
	* tree-dump.c (deque_and_dump): Likewise.
	* config/i386/i386.c (classify_argument,
	contains_128bit_aligned_vector_p): Likewise.
	* config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
	* doc/c-tree.texi (Classes): Update BINFO documentation.

2004-07-20  Steven Bosscher  <>

	* c-common.h (check_case_value): Remove prototype.
	(c_add_case_label): Adjust prototype.
	* c-common.c (check_case_value): Make static.
	(check_case_bounds): New function.
	(c_add_case_label): Use it.  Take new argument orig_type.
	* c-typeck.c (struct c_switch): New orig_type field.
	(c_start_case): Set it.
	(do_case): Pass it to c_add_case_label.
	* expr.c (expand_expr_real_1): Don't warn for out-of-bounds
	cases from here.  Add the labels in reverse order.
	* stmt.c (struct case_node): Adjust comment.  Remove balance field.
	(add_case_node): Return nothing, don't check for duplicate cases.
	Insert new case nodes in a list, not in an AVL tree.
	(expand_end_case_type): Don't turn a case tree into a case list.
	(case_tree2list): Remove.
	* tree.h (add_case_node): Adjust prototype.

2004-07-19  Paolo Bonzini  <>

	* genattr.c (struct range, struct function_unit,
	write_units, extend_range, init_range): Remove them.
	(main): Remove code dealing with DEFINE_FUNCTION_UNIT.
	Output "#define INSN_SCHEDULING" here.
	* genattrtab.c (struct range, struct function_unit_op,
	struct function_unit, struct dimension, enum operator,
	operate_exp, expand_units, simplify_knowing,
	encode_units_mask, simplify_by_exploding,
	find_and_mark_used_attributes, unmark_used_attributes,
	add_values_to_cover, increment_current_value,
	test_for_current_value, simplify_with_current_value,
	simplify_with_current_value_aux, gen_unit,
	write_unit_name, write_function_unit_info,
	write_complex_function, write_toplevel_expr,
	find_single_value, extend_range): Remove.
	(write_attr_get): Do not handle common_av->value
	being an FFS.
	(struct attr_desc): Remove func_units_p and blockage_p.
	(write_attr_valueq): Do not handle them.
	(find_attr): Do not clear them.
	(make_internal_attr): Do not initialize them.
	(main): Remove code dealing with DEFINE_FUNCTION_UNIT.
	* sched-vis.c (init_target_units, insn_print_units,
	init_block_visualization, print_block_visualization,
	visualize_scheduled_insns, visualize_no_unit,
	visualize_stall_cycles, visualize_alloc,
	visualize_free, target_units, get_visual_tbl_length,
	MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
	visual_tbl_line_length, visual_tbl, n_vis_no_unit,
	MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
	* haifa-sched.c (blockage_range, clear_units,
	schedule_unit, actual_hazard, potential_hazard,
	insn_unit, unit_last_insn, unit_tick,
	actual_hazard_this_instance, potential_hazard,
	schedule_unit, max_insn_queue_index_value): Remove.
	(MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
	* rtl.def (DEFINE_FUNCTION_UNIT): Remove.
	* doc/md.texi (Processor pipeline description): Remove
	references to old pipeline descriptions.
	(Automaton pipeline description): Merge with the above.
	(Old pipeline description, Comparison of the two descriptions):

	* bt-load.c (migrate_btr_def): Remove references to
	* haifa-sched.c (insn_cost, schedule_insn,
	schedule_block, advance_one_cycle, sched_init,
	queue_to_ready, sched_finish): Likewise.
	* modulo-sched.c (sms_schedule, advance_one_cycle,
	ps_has_conflicts): Likewise.
	* sched-rgn.c (init_ready): Likewise.
	(debug_dependencies): Likewise, and remove an "if (1)".
	* target.h (use_dfa_pipeline_interface): Remove.
	* config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
	* config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.

2004-07-19  Roger Sayle  <>

	* rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.

2004-07-19  Jeff Law  <>

	* tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
	(get_eq_expr_value): Use it.  Simplify slightly.

2004-07-19  Maciej W. Rozycki  <>

	* config/mips/ (mulsidi3_32bit_r4000): Fix the clobber list.
	(umulsidi3_32bit_r4000): Likewise.

2004-07-19  Nathan Sidwell  <>

	* vec.h: Propagate location information properly.
	(VEC_T_iterate): Add result pointer parameter.
	(VEC_T_space): New.
	(VEC_T_reserve): Use it.

2004-07-19  Daniel Jacobowitz  <>

	* (c-format.o): Depend on c-format.h.
	* c-format.h: New file.
	(struct format_char_info): Add CHAIN member.
	* c-format.c: Move some types and constants to c-format.h.
	(format_type_error): Set to -1.
	(struct function_format_info): Use an int for format_type.
	(decode_format_type): Return an int.  Return format_type_error
	on error.
	(print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
	(gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
	(scan_char_table, time_char_table, monetary_char_table): Initialize
	(n_format_types): New variable.
	(check_format_info_main): Handle CHAIN in format_char_info.
	(handle_format_attribute): Handle TARGET_FORMAT_TYPES and
	* config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
	(sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
	* config/sol2-c.c: New file.
	* config/t-sol2: New file.
	* config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine

	* doc/extend.texi (Target Format Checks): New section.
	(Function Attributes): Mention it.
	* doc/invoke.texi: Mention target format checks.
	* doc/sourcebuild.texi: Mention target format checks.
	* dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and

2004-07-19  Andreas Krebbel  <>

	* config/s390/s390-protos.h (s390_return_address_offset): Prototype
	* config/s390/s390.c (regclass_map initializer): Register 35 added to
	(load_multiple_operation, store_multiple_operation): Removed
	pointless sanity check.
	(s390_decompose_address): Added check for return_address_pointer_rtx.
	(s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
	(s390_return_address_offset): New function.
	* config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
	(FRAME_REGNO_P): Added check for register 35.
	REG_ALLOC_ORDER): Appended entry for register 35.
	(REG_CLASS_CONTENTS): Adjusted class masks for register 35.
	(EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
	is eliminable using stack pointer or hard frame pointer.
	(REGISTER_NAMES): Added name for register 35.
	* config/s390/ ("load_multiple", "store_multiple"): Removed
	pointless sanity check.

2004-07-19  Roger Sayle  <>

	* fold-const.c (tree_expr_nonzero_p): Add function prototype.
	(fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
	fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
	(fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
	of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
	(fold_relational_const): Tidy up handling of floating point
	comparisons by calling real_compare.  Remove tree_expr_nonzero_p
	transformation; fold_relational_const assumes constant operands.

2004-07-19  Gabriel Dos Reis  <>

	* doc/sourcebuild.texi: Add libcpp, now that CPP has its own

2004-07-19  Joseph S. Myers  <>

	* c-tree.h (struct c_expr): Define.
	(parser_build_binary_op, build_compound_expr): Update prototypes.
	* (%union): Add exprtype.
	(FUNC_NAME): Mark as ttype.
	(expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
	(expr): Update.  Define directly in terms of expr_no_commas
	instead of using nonnull_exprlist.
	(nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
	offsetof_member_designator, typespec_nonreserved_nonattr, init,
	initval, designator, component_declarator,
	component_notype_declarator, enumerator, array_declarator,
	condition, exexpr, switch_statement, stmt_nocomp, stmt,
	nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
	set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
	where appropriate.
	* c-common.h (C_EXP_ORIGINAL_CODE): Remove.
	* c-common.c (c_common_truthvalue_conversion): Don't check
	* c-typeck.c (parser_build_binary_op): Use c_expr structures.
	(default_conversion, default_function_array_conversion): Don't use
	(internal_build_compound_expr): Merge into build_compound_expr.
	(build_compound_expr): Take two operands instead of a TREE_LIST.
	* objc/objc-act.c (get_super_receiver): Update calls to

2004-07-18  Paolo Bonzini  <>

	* config/sh/sh.c (sh_use_dfa_interface): Remove.
	* config/sh/ Extract pipeline descriptions
	into separate files.
	* config/sh/ New file, extracted from
	* config/sh/ New file, extracted from
	* config/sh/ New file, extracted from
	and rewritten using new-style pipeline description.

2004-07-18  Zack Weinberg  <>

	* config/pa/ Delete the two remaining define_peephole

2004-07-18  Steven Bosscher  <>
	    Joseph S. Myers  <>

	* c-common.c (c_common_truthvalue_conversion): Don't warn if

2004-07-18  Roger Sayle  <>

	* builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
	simplify_builtin_strncmp): Delete.
	(fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
	Change argument to accept an arglist instead of an "exp".  Assume
	that the return type is always integer_type_node.  Copy missing
	transformations from their now obsolete simplify_builtin_*
	(fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
	fold_builtin_strcmp and fold_builtin_strncmp.
	(simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
	and fold_builtin_strncmp instead of simplify_builtin_memcmp,
	simplify_builtin_strcmp and simplify_builtin_strncmp respectively.

2004-07-18  Daniel Jacobowitz  <>

	* (tree-alias-common.o): Update dependencies.

2004-07-17  Sebastian Pop  <>

	* cfgloop.c (flow_loop_nested_p): Fix comment.

2004-07-17  Jason Merrill  <>

	PR c++/16115
	* stor-layout.c (relayout_decl): New fn.
	* tree.h: Declare it.
	(DECL_BY_REFERENCE): New macro.

2004-07-17  Eric Botcazou  <>

	* libgcc2.c (__enable_execute_stack): New symbol.
	* libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
	and declare __enable_execute_stack.
	* (lib2funcs): Add _enable_execute_stack.
	* config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
	* config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
	* config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
	* config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
	* config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
	* config/i386/i386.c (x86_initialize_trampoline): Conditionalize
	* config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
	* config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
	* config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
	* config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
	* config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
	* config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
	(sparc64_initialize_trampoline): Likewise.
	* doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.

2004-07-17  Joseph S. Myers  <>

	* langhooks.h (builtin_function): New langhook.
	* langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
	* tree.h (builtin_function): Remove.
	* doc/tm.texi: Update.
	* c-tree.h (builtin_function): Declare.
	* c-common.c, config/alpha/alpha.c, config/arm/arm.c,
	config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
	config/ia64/ia64.c, config/iq2000/iq2000.c,
	config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
	config/stormy16/stormy16.c: All callers of builtin_function

2004-07-17  Andrew Pinski  <>

	PR target/16556
	* config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
	Remove white space after the backslash.

2004-07-17  Eric Botcazou  <>

	PR rtl-optimization/16294
	* resource.c (return_insn_p): New predicate.
	(mark_target_live_regs): Use it.  Special-case return insns.
	(init_resource_info): Use it.  Don't scan the epilogue past
	a return.

2004-07-17  Zdenek Dvorak  <>

	* loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
	destroy dominance information.
	* passes.c (rest_of_handle_loop2): Free dominance information.
	* tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
	jump threading.
	(thread_jumps): Update dominance information and remove unreachable
	* tree-ssa-phiopt.c (replace_phi_with_stmt): Update dominance
	information and remove the unreachable block.

2004-07-17  Graham Stott  <>

	* emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.

2004-07-17  Toon Moene  <>

	* doc/sourcebuild.texi: Remove libf2c entry.

2004-07-17  Paolo Bonzini  <>

	* config/i386/ (movv16qi_internal): Fix typo.

2004-07-17  Steven Bosscher  <>

	* final.c (final_scan_insn): Fix broken commit from previous

2004-07-17  Joseph S. Myers  <>

	* c-typeck.c (parser_build_binary_op): Condition warnings for
	X<=Y<=Z on -Wparentheses instead of -Wextra.
	* doc/invoke.texi: Update.  Document that most of -Wparentheses is
	supported for C only.

2004-07-17  Steven Bosscher  <>

	* cfgcleanup.c (try_simplify_condjump): Don't remove line
	notes to avoid unreachable code warnings.
	* toplev.c (backend_init): Don't emit line notes for
	unreachable code warnings.

	* combine.c (distribute_notes): Don't distribute a
	* final.c (final_scan_insn): Don't handle it.
	* rtl.c (reg_note_name): Remove it.
	* rtl.h (enum reg_node): Dito.

	* emit-rtl.c (force_line_numbers, restore_line_number_status):
	* rtl.h (force_line_numbers, restore_line_number_status):
	Remove prototypes.

	* stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
	* tree-eh.c (using_eh_for_cleanups_p):  Make static.
	(using_eh_for_cleanups): Also moved here.

	* expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
	<SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
	to expand_start_case and add_case_node.
	* stmt.c (struct nesting): Cleanup unused fields condition_code,
	last_unconditional_cleanup, nominal_type, printname, and
	(struct fixup_goto): Remove.
	(struct stmt_status): Remove x_goto_fixup_chain field.
	(goto_fixup_chain): Remove.
	(strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
	pushcase, pushcase_range): Remove.
	(expand_start_bindings_and_block): Don't set unused fields in
	the nesting stack.
	(expand_start_case, add_case_node): Cleanup unused formal arguments.
	(expand_end_case_type): Don't simplify the case-list.  Use emit_jump
	instead of emit_jump_if_reachable.
	(emit_case_nodes): Likewise.
	* tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
	(update_eh_label): Work around left-over exception handing regions.
	* tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
	(pass_cleanup_cfg_post_optimizing): New pass.
	(init_tree_optimization_passes): Run the new pass after all
	* tree.h (pushcase, pushcase_range): Remove prototypes.
	(expand_start_case, add_case_node): Update prototypes.

2004-07-16  Krister Walfridsson  <>

	* tree-inline.c (estimate_num_insns_1): Correct increase of count.

2004-07-16  Richard Henderson  <>

	* builtins.c (std_expand_builtin_va_arg): Remove.
	(expand_builtin_va_arg): Remove.
	* expr.h: Don't declare them.
	* gimplify.c (mark_decls_volatile_r): Remove.
	(copy_if_shared_r): Don't call it.
	* target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
	* expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
	* tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
	* system.h (EXPAND_BUILTIN_VA_ARG): Poison.
	* config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
	config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
	config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-16  Daniel Berlin  <>

	* tree-ssa-pre.c (insert_aux): Break out if we hit
	a critical edge.

2004-07-16  Richard Henderson  <>

	* basic-block.h (remove_fake_exit_edges): Declare.
	* cfganal.c (remove_fake_predecessors): Rename from
	remove_fake_successors; iterate over predecessors.
	(remove_fake_exit_edges): New.
	* cfgcleanup.c (try_optimize_cfg): Use it.
	* gcse.c (one_pre_gcse_pass, store_motion): Likewise.
	* predict.c (estimate_probability): Likewise.
	(tree_estimate_probability, note_prediction_to_br_prob): Likewise.
	* tree-cfg.c (make_edges): Likewise.
	* tree-ssa-pre.c (fini_pre): Likewise.
	* profile.c (instrument_edges): Don't remove_fake_edges.
	(branch_prob): Do it earlier here.

2004-07-16  Richard Henderson  <>

	* tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
	switchification wrt CONSTRUCTOR.  Document the reason.

2004-07-16  Frank Ch. Eigler  <>

	* tree-mudflap.c (mf_file_function_line_tree): Correct typo
	that prevented descriptive __mf_check source location strings.

2004-07-16  Richard Henderson  <>

	* tree-def (WITH_SIZE_EXPR): New.
	* explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
	* expr.c (expand_expr_real_1): Likewise.
	* gimplify.c (maybe_with_size_expr): New.
	(gimplify_arg, gimplify_modify_expr): Use it.
	(gimplify_modify_expr_to_memcpy): Take size parameter.
	(gimplify_modify_expr_to_memset): Likewise.
	(gimplify_expr): Handle WITH_SIZE_EXPR.
	* tree-alias-common.c (find_func_aliases): Likewise.
	* tree-eh.c (tree_could_trap_p): Likewise.
	(tree_could_throw_p): Likewise.
	* tree-gimple.c (is_gimple_lvalue): Likewise.
	(get_call_expr_in): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	(expand_calls_inline): Likewise.
	* tree-nested.c (convert_call_expr): Likewise.
	* tree-pretty-print.c (dump_generic_node): Likewise.
	* tree-sra.c (sra_walk_expr): Likewise.
	* tree-ssa-alias.c (add_pointed_to_expr): Likewise.
	* tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* tree-tailcall.c (find_tail_calls): Likewise.

	* calls.c (expand_call): Reset old_stack_allocated after
	calling emit_stack_restore.

2004-07-16  Richard Henderson  <>

	lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
	* langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
	* langhooks.h (struct lang_hooks_for_tree_inlining): Remove

	* tree-inline.c (declare_return_variable): New modify_dest argument.
	Use it as the return value, when possible or manditory.  Handle
	(expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
	replacement of CALL_EXPR.

2004-07-16  Richard Henderson  <>

	* tree-flow.h (struct var_ann_d): Remove has_hidden_use.
	* gimple-low.c (expand_var_p): Don't check it.
	* tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
	* tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
	* tree-ssa-operands.c (add_stmt_operand): Likewise.
	* tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
	(find_referenced_vars): Don't call them.
	* tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.

2004-07-16  Richard Henderson  <>

	* function.c (pass_by_reference): True for all variable sized types.

2004-07-16  Sebastian Pop  <>

	* (tree-pretty-print.o): Depend on tree-chrec.h.
	* tree-pretty-print.c: Include tree-chrec.h.
	(dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN

2004-07-16  Steve Ellcey  <>

	* builtins.c (expand_builtin_stpcpy): Do not create temporary
	reg with VOIDmode.

2004-07-16  Segher Boessenkool  <>

	* config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).

2004-07-16  Andreas Krebbel  <>

	* config/s390/ Changed every occurence of BASE_REGISTER
	* config/s390/s390.c: Likewise.
	* config/s390/s390.h: Likewise.

2004-07-16  Richard Sandiford  <>

	* config/mips/ (addsi3, adddi3): Remove special handling
	of $sp adds.  Remove REGNO checks from mips16 patterns.

2004-07-16  Richard Sandiford  <>

	* config/mips/ Delete outdated comment.

2004-07-16  Richard Sandiford  <>

	* config/mips/mips.c (get_float_compare_codes): Delete.
	(mips_emit_compare): New function, mostly extracted from
	get_float_compare_codes and gen_conditional_branch.
	(gen_conditional_branch, gen_conditional_move): Use it.

2004-07-16  Segher Boessenkool  <>

	* genautomata.c (add_vect): Speedup by using integers as
	bit-vectors for walking through the comb_vect and finding
	a match.

2004-07-16  Richard Sandiford  <>

	* config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
	operand is an uns_arith_operand; use subtraction otherwise.
	* config/mips/ (cmpsi, cmpdi): Allow any nonmemory_operand,
	not just arith_operands.

2004-07-16  Richard Sandiford  <>

	* config/mips/mips-protos.h (gen_int_relational): Delete.
	(mips_emit_scc): Declare.
	* config/mips/mips.c (internal_test): Delete.
	(sle_operand, sleu_operand): New functions.
	(map_test_to_internal_test, gen_int_relational): Delete.
	(mips_emit_binary, mips_relational_operand_ok_p)
	(mips_emit_int_relational, mips_zero_if_equal)
	(mips_emit_scc): New functions.
	(gen_conditional_branch): Rework to use mips_emit_int_relational.
	* config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
	* config/mips/ (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
	(sltu, sleu): Use mips_emit_scc.
	(*sge_[sd]i, *sgeu_[sd]i): New patterns.
	(*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
	(*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.

2004-07-16  Richard Sandiford  <>

	* config/mips/ (*sgt_di_mips16): Fix destination constraint.

2004-07-16  Richard Sandiford  <>

	* config/mips/ (*seq_[sd]i): Renamed from seq_[sd]i_zero.
	(*sne_[sd]i): Likewise sne_[sd]i_zero.
	(*sgt_[sd]i): ...and sgt_[sd]i.
	(*slt_[sd]i): ...and slt_[sd]i.
	(*sgtu_[sd]i): ...and sgtu_[sd]i.
	(*sltu_[sd]i): ...and sltu_[sd]i.
	(*sleu_[sd]i): ...and sleu_[sd]i_const.
	Name previously unnamed mips16 patterns.  Formatting fixes.

2004-07-16  Richard Sandiford  <>

	* config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
	(branch_type): Delete.
	(gen_conditional_branch, gen_conditional_move)
	(mips_gen_conditional_trap): Update after name change.  Get the
	comparison mode from cmp_operands[0].
	* config/mips/mips.h (cmp_type, branch_type): Delete.
	(cmp_operands): Renamed from branch_cmp.
	* config/mips/ (cmpsi, cmpdi, cmpsf, cmpdf): Update after
	name change.  Don't set branch_type.
	(seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
	mode class of cmp_operands[0] rather than branch_type.  Update after
	name change.

2004-07-16  Richard Sandiford  <>

	* config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
	of 0...255 to 0 when inside a SET.

2004-07-16  Richard Sandiford  <>

	* config/mips/ Remove mips16 define_peepholes.

2004-07-16  Daniel Berlin  <>

	* tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
	(fini_pre): Remove fake edges.

2004-07-15  Richard Henderson  <>

	* tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
	(get_indirect_ref_operands, get_call_expr_operands): ... these.

2004-07-15  Nathan Sidwell  <>

	* vec.h (VEC_address): New function.

2004-07-14  Jason Merrill  <>

	PR middle-end/15885
	* gimplify.c (gimplify_arg): New fn, split out from...
	(gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.

2004-07-15  Roman Zippel  <>

	* config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
	generate code which is generated by pushqi1 now
	* config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.

2004-07-15  Roman Zippel  <>

	* combine.c (simplify_set): match the mode of the constant 0 with
	the tested operand to match the compare behaviour and the
	simplify_relational_operation() expectation.

2004-07-15  Aldy Hernandez  <>

	* config/rs6000/ ("bunordered"): Disable for e500.
	("bordered"): Same.

2004-07-15  Aldy Hernandez  <>

	* config/rs6000/ ("*cceq_ior_compare"): Allow
	* config/rs6000/ ("e500_cceq_ior_compare"): Remove.

2004-07-15  Richard Sandiford  <>

	* config/mips/mips.c (mips_adjust_insn_length): Fix handling of
	calls in mips16 code.

2004-07-15  Richard Sandiford  <>

	* config/mips/ In the mips16 li/neg splitter, use SImode for
	the destination of the li as well as for the neg.

2004-07-15  Frank Ch. Eigler  <>

	* cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
	* cgraph.h: Update declaration.
	* c-decl.c (build_cdtor): Update call with default priority.
	* coverage.c (create_coverage): Ditto.
	* tree-mudflap.c (mf_init_fndecl): New tree.
	(mudflap_init): Set it.
	(mudflap_register_call): Arrange to call __mf_init before the first
	__mf_register call.
	(mudflap_finish_file): Mark the mudflap static initializer as extra
	high priority, to beat all C++ static constructors.

2004-07-15  Jeff Law  <>

	* loop.c (check_insn_for_givs): Restore check for code labels that was
	accidentally deleted by a recent checkin.

2004-07-15  Nathan Sidwell  <>

	* vec.h (VEC_T_truncate): Allow truncation of an empty vector.
	(VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.

2004-07-14  Richard Henderson  <>

	* print-tree.c (print_node): Fix casts last change.

2004-07-15  Paul Brook	<>

	* dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
	* except.c (output_function_exception_table): Ditto.
	* except.h: Ditto.
	* opts.c (decode_options): Ditto.
	* passes.c (rest_of_handle_final): Ditto.
	* final.c (final_start_function): Ditto.
	(final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
	target hook.
	* targhooks.h (default_unwind_emit): Declare.
	* targhooks.c (default_unwind_emit): New function.
	* target-def.h: Define and use TARGET_UNWIND_EMIT.
	* target.h (struct gcc_target): Add unwind_emit.
	* config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
	* config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
	* doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.

2004-07-14  Richard Henderson  <>

	* print-tree.c (print_node): Handle SSA_NAME.

2004-07-14  James E Wilson  <>

	PR target/16325
	* config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value

2004-07-15  Jakub Jelinek  <>

	* expr.c (expand_assignment): Reenable bitfield += optimizations.
	Use alias set 0 for memory, do proper mode calculations and adjust
	address for memories.

2004-07-14  Per Bothner	 <>

	* input.h: If USE_MAPPED_LOCATION, define separate expanded_location
	structure with extra column field.
	* tree.c (expand_location): Also fill in column field.
	* gengtype-lex.l: Ignore expanded_location typedef, sinze gengtype
	gets confused by the two conditionally-compiled definitions.

2004-07-14  Eric Christopher  <>

	* calls.c (expand_call): Fix typo in comment.

2004-07-14  Steve Ellcey  <>

	* config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
	comparision of TFmode.

2004-07-14  Richard Henderson  <>

	* config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
	(alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
	* config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
	* config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
	* config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
	* config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
	* config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
	* config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.

2004-07-14  Mike Stump	<>

	* config/darwin.h (WINT_TYPE): Define to be int to match
	system header files.

2004-07-14  Bob Wilson  <>

	* config/xtensa/xtensa.c (function_arg_advance): Check for args
	that must be passed in the stack.
	(xtensa_gimplify_va_arg_expr): Skip special-case padding for small
	arguments if the size is not a constant.

2004-07-14  Per Bothner  <>

	* c-typeck.c (emit_side_effect_warnings): Use EXPR_HAS_LOCATION
	instead of EXPR_LOCUS in a boolean context, which is always true
	if --enable-mapped-location.
	* stmt.c (warn_if_unused_value): Likewise.  Also use EXPR_LOCATION.

2004-07-14  Richard Henderson  <>

	* dominance.c (struct dom_info): Add fake_exit_edge.
	(init_dom_info): Allocate it.
	(free_dom_info): Free it.
	(calc_dfs_tree): Set it.  Handle noreturn and infinite loops
	in two passes.
	(calc_idoms): Honor fake_exit_edge.

2004-07-13  Jason Merrill  <>

	* tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
	(rhs_test_for): New fn.
	(is_gimple_tmp_rhs): Rename from is_gimple_rhs.
	* tree-gimple.h: Declare them.
	* gimplify.c (gimplify_modify_expr): Use the new fns.

2004-07-14  Richard Henderson  <>

	* config/arm/arm-protos.h (arm_va_arg): Remove.
	* config/arm/arm.c (arm_va_arg): Remove.
	(arm_init_expanders): Fix alignment of arg_pointer_rtx.
	* config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-14  John David Anglin  <>

	* pa.c (fix_range): New function to mark a range(s) of registers as
	fixed registers.
	(override_options): Call fix_range if the -mfixed-range option string
	is not empty.
	* pa.h (TARGET_OPTIONS): Add -mfixed-range option.
	* doc/invoke.texi (-mfixed-range): Document new option.

2004-07-14  David Edelsohn  <>

	* config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
	for TARGET_64BIT.
	(rs6000_gimplify_va_arg): Use size_int instead of build_int_2.

2004-07-14  Roger Sayle  <>

	* expmed.c (expand_sdiv_pow2): New function to expand signed division
	by a positive power of two, split out from expand_divmod.  Provide
	an alternate implementation when shifts are expensive.  Lower the
	threshold for using a branchless implementation to BRANCH_COST >= 2.
	(expand_divmod): Call expand_sdiv_pow2 for suitable divisions.

2004-07-14  Paolo Bonzini  <>

	* tree-dfa.c (make_rename_temp): *Really* work just
	like create_tmp_var if called while outside SSA form.

2004-07-14  Ulrich Weigand  <>

	* config/s390/ ("udivsi3"): Ensure trap is generated
	for division by zero.
	("umodsi3"): Likewise.

2004-07-14  Richard Sandiford  <>

	* config/mips/mips.c (mips_output_move): When generating mips16 code,
	force loads of negative constants to be split.
	* config/mips/ (*movhi_mips16, *movqi_mips16): Likewise.
	Generalize SImode li/neg splitter to cope with other modes.

2004-07-14  Paolo Bonzini  <>

	* expmed.c: Remove more references to QUEUED in the comments.
	* expr.c: Likewise.

2004-07-14  Richard Sandiford  <>

	2004-07-13  Richard Henderson  <>
	* config/mips/mips.c (mips_pass_by_reference): Handle mode sizes

2004-07-14  Paolo Bonzini  <>

	* tree-dfa.c (make_rename_temp): Work just like
	create_tmp_var if called while outside SSA form.

2004-07-14  Paolo Bonzini  <>

	* expr.c (enqueue_insn, finish_expr_for_function,
	protect_from_queue, queued_subexp_p, mark_queue,
	emit_insns_enqueued_after_mark, emit_queue,
	expand_increment): Remove.
	(store_constructor): Expand increment as an assignment.
	(expand_expr_real_1 <case PREINCREMENT_EXPR,
	QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
	protect_from_queue, emit_queue, queued_subexp_p): Remove.
	* function.h (pending_chain, x_pending_chain): Remove.
	* rtl.def (QUEUED): Remove.

	* emit-rtl.c (copy_insn_1, copy_most_rtx,
	set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
	* genattrtab.c (attr_copy_rtx, clear_struct_flag,
	encode_units_mask): Likewise.
	* local-alloc.c (equiv_init_varies_p): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
	* simplify-rtx.c (simplify_gen_subreg): Likewise.
	* config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.

	* builtins.c (expand_builtin, expand_builtin_apply,
	expand_builtin_mathfn, expand_builtin_mathfn_2,
	expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
	Remove calls to emit_queue and protect_from_queue.
	* calls.c (expand_call, precompute_arguments,
	precompute_register_parameters, rtx_for_function_call,
	store_one_arg): Likewise.
	* dojump.c (do_compare_and_jump, do_jump): Likewise.
	* explow.c (memory_address): Likewise.
	* expmed.c (clear_by_pieces_1, clear_storage,
	clear_storage_via_libcall, emit_group_load,
	emit_group_store, emit_store_flag,
	expand_expr_real_1, store_by_pieces,
	store_constructor, store_expr, try_casesi,
	try_tablejump): Likewise.
	* function.c (expand_pending_sizes): Likewise.
	* optabs.c (emit_cmp_and_jump_insns,
	emit_conditional_add, emit_conditional_move,
	expand_fix, expand_float, prepare_cmp_insn): Likewise.
	* stmt.c (emit_case_bit_tests,
	expand_asm_expr, expand_computed_goto,
	expand_decl_init, expand_end_case_type,
	expand_end_stmt_expr, expand_expr_stmt_value,
	expand_return, expand_start_case,
	optimize_tail_recursion): Likewise.
	* config/c4x/c4x.c (c4x_expand_builtin): Likewise.
	* config/s390/s390.c (s390_expand_cmpmem): Likewise.

2004-07-14  Ben Elliston  <>

	* vec.h: Comment fix.

2004-07-13  Richard Henderson  <>

	* target.h (struct gcc_target): Add calls.pass_by_reference.
	* target-def.h (TARGET_PASS_BY_REFERENCE): New.
	* function.c (pass_by_reference): Use the hook.
	* targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
	(hook_pass_by_reference_must_pass_in_stack): New.
	* config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
	(alpha_pass_by_reference): New.
	* config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/arc/arc.c (arc_pass_by_reference): New.
	* config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
	* config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
	(arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
	* config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/cris/cris.c (cris_pass_by_reference): New.
	* config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
	* config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
	* config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
	* config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
	(frv_function_arg_pass_by_reference): Remove.
	* config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
	* config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
	(ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
	* config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
	(ia64_pass_by_reference): Rename from
	* config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
	* config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
	(iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
	* config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
	(m32r_pass_by_reference): Adjust prototype.  Make static.
	Handle mode sizes correctly.
	* config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
	(m68hc11_function_arg_pass_by_reference): Remove.
	* config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
	* config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
	* config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
	(mips_va_arg): Use pass_by_reference.
	(mips_pass_by_reference): Rename from function_arg_pass_by_reference.
	Handle mode sizes correctly.
	* config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	(FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
	* config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
	* config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
	(mmix_pass_by_reference): Rename from
	* config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
	(mn10300_pass_by_reference): New.
	* config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/pa/pa.c (pa_pass_by_reference): New.
	* config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
	* config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
	(rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
	* config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
	* config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
	(s390_pass_by_reference): Rename from
	(s390_function_arg_advance): Don't query pass-by-ref.
	(s390_function_arg): Likewise.
	(s390_gimplify_va_arg): Use pass_by_reference.
	(s390_call_saved_register_used): Likewise.
	* config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
	(shcompact_byref, sh_pass_by_reference): New.
	* config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
	* config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
	(sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
	(sparc_gimplify_va_arg): Use pass_by_reference.
	* config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
	(v850_pass_by_reference): New.
	* config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
	* doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from

2004-07-14  Richard Henderson  <>
	    Richard Sandiford  <>

	* config/mips/mips-protos.h (mips_va_arg): Delete.
	* config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
	* config/mips/mips.c: Include tree-gimple.h.
	(mips_arg_info): Remove special handling of must_pass_in_stck args.
	(mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
	(function_arg_pass_by_reference): Return true if must_pass_in_stack.

2004-07-13  Bob Wilson  <>

	* config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
	arguments for COND_EXPR in big-endian adjustment code.

2004-07-13  John David Anglin  <>

	* pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
	* pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
	* pa64-regs.h (REG_ALLOC_ORDER): Likewise.

2004-07-13  Diego Novillo  <>

	PR tree-optimization/16443
	* tree-ssa-alias.c: Add more description for
	* tree-ssa-operands.c (get_asm_expr_operands): Re-order the
	clobbering of call-clobbered and addressable variables.  If
	there are any before aliases have been computed, add them.

2004-07-13  Diego Novillo  <>

	* tree-optimize.c (execute_todo): Flush DUMP_FILE before

2004-07-13  Ulrich Weigand  <>

	* config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
	of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
	to the same type.

2004-07-13  Per Bothner  <>

	* collect2.c (main): Handle --no-demangle and --demangle flags.

2004-07-13  Sebastian Pop  <>

	* (OBJS-common): Add tree-data-ref.o.
	(tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
	(tree-data-ref.o): New rule.
	* lambda.h: New file.
	* tree-data-ref.c: New file.
	* tree-data-ref.h: New file.
	* tree.c (int_cst_value, tree_fold_gcd): New functions.
	* tree.h (int_cst_value, tree_fold_gcd): Declared here.

2004-07-13  Eric Botcazou  <>

	PR target/13926
	* config/sparc/sparc-protos.h (output_ubranch): New prototype.
	* config/sparc/sparc.c (output_ubranch): New function.
	* config/sparc/ (jump pattern): Use it.

2004-07-13  Eric Botcazou  <>

	PR target/16494
	* config/sparc/sparc.c (output_cbranch): Properly guard
	the code handling far branches with TARGET_V9.
	* config/sparc/ (length attribute): Document the
	side-effect of having a length greater or equal to 3.

2004-07-13  Eric Botcazou  <>
	    Lloyd Parkes  <>

	PR target/15186
	* config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
	/usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.

2004-07-13  Eric Botcazou  <>
	    Martin Sebor  <>

	PR target/12602
	* doc/invoke.texi (SPARC options): Document -threads
	and -pthreads on Solaris.

2004-07-13  Richard Henderson  <>

	* builtins.c (std_gimplify_va_arg_expr): Handle types passed
	by reference.
	(ind_gimplify_va_arg_expr): Remove.
	* tree.h (ind_gimplify_va_arg_expr): Remove.
	* config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
	* config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
	argsp to be null.

	* config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
	* config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
	config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
	config/mn10300/mn10300.c, config/v850/v850.c: Similarly.

2004-07-13  Richard Henderson  <>

	* function.c (pass_by_reference): New.
	(assign_parm_find_data_types): Use it.
	* calls.c (initialize_argument_information): Likewise.
	(emit_library_call_value_1): Likewise.
	* function.h (pass_by_reference): Declare.

2004-07-13  Richard Henderson  <>

	* target-def.h (TARGET_MUST_PASS_IN_STACK): New.
	* target.h (struct gcc_target): Add calls.must_pass_in_stack.
	* expr.h (MUST_PASS_IN_STACK): Remove.
	* system.h (MUST_PASS_IN_STACK): Poison.
	* tree.h (must_pass_in_stack_var_size): Declare.
	(must_pass_in_stack_var_size_or_pad): Declare.
	* calls.c (must_pass_in_stack_var_size): New.
	(must_pass_in_stack_var_size_or_pad): Rename from
	* config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
	* config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
	* config/fr30/fr30.c (fr30_must_pass_in_stack): New.
	* config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
	* config/frv/frv.c (frv_must_pass_in_stack): New.
	* config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
	* config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
	* config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
	(ix86_must_pass_in_stack): Make static.
	* config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
	* config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
	* config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
	* config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
	* config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
	(mcore_must_pass_on_stack): Remove.
	* config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
	* config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
	* config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
	* config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
	* config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
	* config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
	* config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
	* config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
	* config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
	* config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
	* doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from

	* calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
	config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
	config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
	config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
	config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
	config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
	config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
	config/xtensa/xtensa.c: Use target hook.

2004-07-13  Anthony Heading  <>

	* (gcc_cv_as_offsetable_lo10): Fix a typo.
	* configure: Rebuilt.

2004-07-13  Richard Sandiford  <>

	* doc/invoke.texi: Remove documentation for MIPS -mrnames option.
	* config/mips/mips.h (mips_reg_names): Don't declare.
	(MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
	(TARGET_SWITCHES): Remove -mrnames.
	(REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
	(ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
	* config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
	(override_options): Remove handling of TARGET_NAME_REGS.

2004-07-13  Richard Sandiford  <>

	* config/mips/mips.h (TARGET_*): Boolify.

2004-07-12  Nick Clifton  <>

	* config.gcc: Add sh-*-symbianelf target.
	* config/sh/sh.c: Add new target macros:
	(sh_file_start): Create a definition of the .directive section.
	(sh_attribute): Add dllimport and dllexport attributes.
	* config/sh/symbian-pre.h: New file.
	* config/sh/symbian-post.h: New file.
	* config/sh/symbian.c: New file. Contains Symbian specific
	* config/sh/sh-protos.h: Add prototypes for new functions
	provided by symbian.c.
	* config/sh/t-symbian: New file.
	* doc/extend.texi: Document support for dllimport and dllexport
	attributes by the sh-symbianelf target.

2004-07-12  James E Wilson  <>

	* (AR): Use @AR@ not ar.
	(NM): New.
	(AR_FOR_TARGET): Use $(AR) not ar for native.
	(NM_FOR_TARGET): Use $(NM) not nm for native.
	* Add AC_CHECK_PROG calls for NM and AR.
	* configure: Regenerate.

2004-07-12  David S. Miller  <>

	* config/sparc/ (ashlsi3): Eliminate const 1
	special case.
	(ashldi3_sp64): Likewise.

2004-07-12  John David Anglin  <>

	PR target/16477
	* pa.c (function_arg): Update comment.
	* pa.h (BLOCK_REG_PADDING): Define.

2004-07-12  Zdenek Dvorak  <>

	PR tree-optimization/16461
	* tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
	arguments of phi nodes.

2004-07-12  Devang Patel  <>

	* doc/invoke.texi (Darwin Options): Document -gused and -gfull.

2004-07-12  Steve Ellcey  <>

	* function.c (expand_function_start): Ensure r_save is in Pmode.
	* calls.c (prepare_call_address): Ensure static_chain_value is
	in Pmode.
	* builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
	r_save_area are in Pmode.
	* config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
	fnaddr, and static_chain are in Pmode.

2004-07-12  Vladimir Makarov  <>

	PR target/16445
	* config/ia64/ia64.c (bundling): Don't count ignored insns.

2004-07-12  Richard Henderson  <>

	* target.h (struct gcc_target): Move gimplify_va_arg_expr
	next to build_builtin_va_list.
	* target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
	* builtins.c (gimplify_va_arg_expr): Likewise.
	* gimplify.c (copy_if_shared_r): Likewise.

2004-07-12  Alexandre Oliva  <>

	* passes.c (rest_of_decl_compilation): Don't defer call of
	assemble_variable if its DECL_RTL is already set.

2004-07-12  Sebastian Pop  <>

	* cfgloop.h (struct loop): Add nb_iterations field.
	(current_loops): Declare.
	* tree-chrec.c (chrec_not_analyzed_yet,
	chrec_dont_know, chrec_known, count_ev_in_wider_type,
	chrec_contains_symbols_defined_in_loop): Remove the temporary
	* tree-flow-inline.h (loop_containing_stmt): New function.
	* tree-scalar-evolution.c: Add implementation.
	* tree-scalar-evolution.h: Add declarations.

2004-07-12 Vladimir Makarov <>

	PR rtl-optimization/15921
	* (global.o): Add recog.h.

	* global.c (recog.h): Add the include-clause.
	(bb_info): New member earlyclobber.
	(allocate_bb_info, free_bb_info): Initialize/finish the new
	(earlyclobber_regclass, earlyclobber_regclass_length): The new
	global variables.
	(check_earlyclobber, regclass_intersect,
	mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
	New functions.
	(calculate_local_reg_bb_info): Calculate value of earlyclobber.
	(make_accurate_live_analysis): Modify pavin.

2004-07-12  Diego Novillo  <>

	* tree-cfg.c (find_taken_edge): Statically compute the truth
	value of a predicate comparing an SSA_NAME to itself.

2004-07-12  Roger Sayle  <>

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
	rs6000 doesn't have shift-and-add or shift-and-sub instructions
	by returning the cost of a multiplication plus an addition.

2004-07-12  Paolo Bonzini  <>

	PR tree-optimization/14107
	* gimplify.c (gimplify_return_expr): Accept a
	RETURN_EXPR with an error argument.
	* tree-optimize.c (init_tree_optimization_passes):
	Run pass_warn_function_return at -O0.

2004-07-12  Roger Sayle  <>

	* doc/invoke.texi: Correct -fasynchronous-unwind-tables option
	index entry.

2004-07-12  Richard Sandiford  <>

	* config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
	(TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
	* config/mips/ Add copyright notice.  Remove automota and
	function units; use generic ones instead.  Only define reservations
	for things that are different from  Extend each clause
	to include r3900.
	* config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
	* config/mips/ Include them. Remove define_function_units.
	(alu, imuldiv): New automata and units.

2004-07-12  Ben Elliston  <>

	* doc/invoke.texi (Optimize Options): Document -frename-registers
	not being enabled by default at -O3.

2004-07-11  Roger Sayle  <>

	* fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
	floating point additions, to keep real immediate constant positive.
	<MINUS_EXPR>: For floating point subtractions, only transform X - -C
	into X + C, and leave positive real constants as X - C.

2004-07-11  John David Anglin  <>

	* pa.c (hppa_gimplify_va_arg_expr): Remove comment.

2004-07-11  Zdenek Dvorak  <>

	PR tree-optimization/15654
	* tree-tailcall.c (eliminate_tail_call): Remove unreachable code.

2004-07-11  Roger Sayle  <>

	* builtins.c (fold_builtin_fputs): Don't bother converting the
	return type to integer_type_node, as we've already checked that
	the result will be ignored.

	* tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
	that signed addition, subtraction, multiplication, division,
	remainder, negation and absolute value may potentially trap.

	* fold-const.c (fold_ignored_result): New function to strip
	non-side-effecting tree nodes from an expression whose result
	is ignored.
	(fold_convert): Call fold_ignored_result when casting a value
	(omit_one_operand): Call fold_ignored_result on the "omitted"
	operand when building a COMPOUND_EXPR.
	(pedantic_omit_one_operand): Likewise.
	* tree.h (fold_ignored_result): Prototype here.
	* tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
	when we're going to ignore the result.

2004-07-11  Richard Henderson  <>

	PR tree-opt/16383
	* tree-ssa-ccp.c (fold_stmt_r): Split out...
	* tree.c (fields_compatible_p, find_compatible_field): ... new.
	* tree.h (fields_compatible_p, find_compatible_field): Declare.
	* tree-sra.c (sra_hash_tree): Hash fields by offset.
	(sra_elt_eq): Use fields_compatible_p.
	(generate_one_element_ref): Use find_compatible_field.

2004-07-11  Richard Henderson  <>

	PR tree-opt/16422
	* tree-sra.c (generate_one_element_init): New.
	(generate_element_init): Use it.
	(scalarize_init): Push/pop gimplify context around it.
	(find_new_referenced_vars_1, find_new_referenced_vars): New.
	* gimplify.c (gimplify_expr): Allow SSA_NAME.

2004-07-11  Roger Sayle  <>

	* rtlanal.c (insn_rtx_cost): New function, moved and renamed from
	combine.c's combine_insn_cost.
	* rtl.h (insn_rtx_cost): Prototype here.
	* combine.c (combine_insn_cost): Delete function.
	(combine_validate_cost): Update callers of combine_insn_cost to
	call insn_rtx_cost instead.
	(combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
	requesting the rtx_cost of call and/or jump instructions.

	* ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
	rtx_cost directly.  Don't request/use the cost of call or jump
	instructions.  Return -1 if the cost of any instruction can't be
	determined (or the BB contains a function call).
	(find_if_case_1): Abort transformation if total_bb_rtx_cost returns
	-1 (i.e. can't determine the cost of any instruction or the basic
	block contains a subroutine call).
	(find_if_case_2): Likewise.

2004-07-11  Roger Sayle  <>

	* rs6000.c (struct processor_costs): Change semantics of fields to
	include the COST_N_INSNS scaling, and update all initializers.
	(rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
	Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
	optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.

2004-07-11  Joseph S. Myers  <>

	* LANGUAGES: Remove obsolete information.

2004-07-11  Ulrich Weigand  <>

	* config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
	SIGBUS signal frames, the PSW address points *to* the faulting
	instruction, not after it.

2004-07-11  Ulrich Weigand  <>

	* config/s390/s390.c (legitimize_tls_address): Handle constant offsets
	added to TLS symbol addresses.

2004-07-11  Richard Henderson  <>

	* expmed.c (init_expmed): Use stack-local structures for
	temporary rtl.  Don't recognize shifts.

2004-07-11  Richard Henderson  <>

	* expr.c (store_expr): Don't fiddle subreg promotion for types
	with precision smaller than the mode.

2004-07-11  Joseph S. Myers  <>

	* tree.h (all_types_permanent): Remove.

2004-07-11  Joseph S. Myers  <>

	* langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
	maybe_build_cleanup, update_decl_after_saving): Remove hooks.
	* langhooks.c (lhd_clear_binding_stack): Remove.
	* langhooks-def.h (lhd_clear_binding_stack,
	(LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
	* tree.h (poplevel): Don't declare.
	* objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,

2004-07-11  Joseph S. Myers  <>

	PR tree-optimization/16437
	* c-common.c (shorten_compare): Don't mark result of conversion to
	narrower signed type as overflowing.
	* fold-const.c (decode_field_reference): Determine whether
	signedness comes from outer type using precision rather than size.

2004-07-11  Phil Edwards  <>

	* Alphabetize --enable-checking list, add
	missing valgrind entry.
	* configure: Regenerate.

2004-07-11  Phil Edwards  <>

	* doc/install.texi (Testing): Fix syntax in "make check" example.

2004-07-10  James E Wilson  <>

	* config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.

2004-07-10  Zdenek Dvorak  <>

	PR rtl-optimization/16001
	* loop-iv.c (iv_number_of_iterations): Prevent copy propagation in

2004-07-10  Geoffrey Keating  <>

	* config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.

2004-07-10  Steve Kargl  <>
	    James Morrison  <>

	* doc/contrib.texi (Contributors): Add gfortran contributors and
	fix a couple of typos.

2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni