#ifndef GCC_RTL_H
#define GCC_RTL_H
#include "statistics.h"
#include "machmode.h"
#include "input.h"
#include "real.h"
#include "vec.h"
#undef FFS
#undef FLOAT
#undef ABS
#undef PC
#define NOOP_MOVE_INSN_CODE INT_MAX
#define RTX_CODE enum rtx_code
enum rtx_code {
#define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM ,
#include "rtl.def"
#undef DEF_RTL_EXPR
LAST_AND_UNUSED_RTX_CODE};
#define NUM_RTX_CODE ((int) LAST_AND_UNUSED_RTX_CODE)
enum rtx_class {
RTX_COMPARE,
RTX_COMM_COMPARE,
RTX_BIN_ARITH,
RTX_COMM_ARITH,
RTX_UNARY,
RTX_EXTRA,
RTX_MATCH,
RTX_INSN,
RTX_OBJ,
RTX_CONST_OBJ,
RTX_TERNARY,
RTX_BITFIELD_OPS,
RTX_AUTOINC
};
#define RTX_OBJ_MASK (~1)
#define RTX_OBJ_RESULT (RTX_OBJ & RTX_OBJ_MASK)
#define RTX_COMPARE_MASK (~1)
#define RTX_COMPARE_RESULT (RTX_COMPARE & RTX_COMPARE_MASK)
#define RTX_ARITHMETIC_MASK (~1)
#define RTX_ARITHMETIC_RESULT (RTX_COMM_ARITH & RTX_ARITHMETIC_MASK)
#define RTX_BINARY_MASK (~3)
#define RTX_BINARY_RESULT (RTX_COMPARE & RTX_BINARY_MASK)
#define RTX_COMMUTATIVE_MASK (~2)
#define RTX_COMMUTATIVE_RESULT (RTX_COMM_COMPARE & RTX_COMMUTATIVE_MASK)
#define RTX_NON_COMMUTATIVE_RESULT (RTX_COMPARE & RTX_COMMUTATIVE_MASK)
extern const unsigned char rtx_length[NUM_RTX_CODE];
#define GET_RTX_LENGTH(CODE) (rtx_length[(int) (CODE)])
extern const char * const rtx_name[NUM_RTX_CODE];
#define GET_RTX_NAME(CODE) (rtx_name[(int) (CODE)])
extern const char * const rtx_format[NUM_RTX_CODE];
#define GET_RTX_FORMAT(CODE) (rtx_format[(int) (CODE)])
extern const enum rtx_class rtx_class[NUM_RTX_CODE];
#define GET_RTX_CLASS(CODE) (rtx_class[(int) (CODE)])
extern const unsigned char rtx_code_size[NUM_RTX_CODE];
extern const unsigned char rtx_next[NUM_RTX_CODE];
typedef struct
{
unsigned min_align: 8;
unsigned base_after_vec: 1;
unsigned min_after_vec: 1;
unsigned max_after_vec: 1;
unsigned min_after_base: 1;
unsigned max_after_base: 1;
unsigned offset_unsigned: 1;
unsigned : 2;
unsigned scale : 8;
} addr_diff_vec_flags;
typedef struct mem_attrs GTY(())
{
HOST_WIDE_INT alias;
tree expr;
rtx offset;
rtx size;
unsigned int align;
} mem_attrs;
typedef struct reg_attrs GTY(())
{
tree decl;
HOST_WIDE_INT offset;
} reg_attrs;
union rtunion_def
{
int rt_int;
unsigned int rt_uint;
const char *rt_str;
rtx rt_rtx;
rtvec rt_rtvec;
enum machine_mode rt_type;
addr_diff_vec_flags rt_addr_diff_vec_flags;
struct cselib_val_struct *rt_cselib;
struct bitmap_head_def *rt_bit;
tree rt_tree;
struct basic_block_def *rt_bb;
mem_attrs *rt_mem;
reg_attrs *rt_reg;
struct constant_descriptor_rtx *rt_constant;
};
typedef union rtunion_def rtunion;
struct block_symbol GTY(()) {
rtunion GTY ((skip)) fld[3];
struct object_block *block;
HOST_WIDE_INT offset;
};
DEF_VEC_P(rtx);
DEF_VEC_ALLOC_P(rtx,heap);
DEF_VEC_ALLOC_P(rtx,gc);
struct object_block GTY(())
{
section *sect;
unsigned int alignment;
HOST_WIDE_INT size;
VEC(rtx,gc) *objects;
VEC(rtx,gc) *anchors;
};
struct rtx_def GTY((chain_next ("RTX_NEXT (&%h)"),
chain_prev ("RTX_PREV (&%h)")))
{
ENUM_BITFIELD(rtx_code) code: 16;
ENUM_BITFIELD(machine_mode) mode : 8;
unsigned int jump : 1;
unsigned int call : 1;
unsigned int unchanging : 1;
unsigned int volatil : 1;
unsigned int in_struct : 1;
unsigned int used : 1;
unsigned frame_related : 1;
unsigned return_val : 1;
union u {
rtunion fld[1];
HOST_WIDE_INT hwint[1];
struct block_symbol block_sym;
struct real_value rv;
} GTY ((special ("rtx_def"), desc ("GET_CODE (&%0)"))) u;
};
#define RTX_HDR_SIZE offsetof (struct rtx_def, u)
#define RTX_CODE_SIZE(CODE) rtx_code_size[CODE]
#define NULL_RTX (rtx) 0
#define RTX_NEXT(X) (rtx_next[GET_CODE (X)] == 0 ? NULL \
: *(rtx *)(((char *)X) + rtx_next[GET_CODE (X)]))
#define RTX_PREV(X) ((INSN_P (X) \
|| NOTE_P (X) \
|| BARRIER_P (X) \
|| LABEL_P (X)) \
&& PREV_INSN (X) != NULL \
&& NEXT_INSN (PREV_INSN (X)) == X \
? PREV_INSN (X) : NULL)
#define GET_CODE(RTX) ((enum rtx_code) (RTX)->code)
#define PUT_CODE(RTX, CODE) ((RTX)->code = (CODE))
#define GET_MODE(RTX) ((enum machine_mode) (RTX)->mode)
#define PUT_MODE(RTX, MODE) ((RTX)->mode = (MODE))
struct rtvec_def GTY(()) {
int num_elem;
rtx GTY ((length ("%h.num_elem"))) elem[1];
};
#define NULL_RTVEC (rtvec) 0
#define GET_NUM_ELEM(RTVEC) ((RTVEC)->num_elem)
#define PUT_NUM_ELEM(RTVEC, NUM) ((RTVEC)->num_elem = (NUM))
#define REG_P(X) (GET_CODE (X) == REG)
#define MEM_P(X) (GET_CODE (X) == MEM)
#define CONST_INT_P(X) (GET_CODE (X) == CONST_INT)
#define LABEL_P(X) (GET_CODE (X) == CODE_LABEL)
#define JUMP_P(X) (GET_CODE (X) == JUMP_INSN)
#define CALL_P(X) (GET_CODE (X) == CALL_INSN)
#define NONJUMP_INSN_P(X) (GET_CODE (X) == INSN)
#define INSN_P(X) \
(NONJUMP_INSN_P (X) || JUMP_P (X) || CALL_P (X))
#define NOTE_P(X) (GET_CODE (X) == NOTE)
#define BARRIER_P(X) (GET_CODE (X) == BARRIER)
#define JUMP_TABLE_DATA_P(INSN) \
(JUMP_P (INSN) && (GET_CODE (PATTERN (INSN)) == ADDR_VEC || \
GET_CODE (PATTERN (INSN)) == ADDR_DIFF_VEC))
#define UNARY_P(X) \
(GET_RTX_CLASS (GET_CODE (X)) == RTX_UNARY)
#define BINARY_P(X) \
((GET_RTX_CLASS (GET_CODE (X)) & RTX_BINARY_MASK) == RTX_BINARY_RESULT)
#define ARITHMETIC_P(X) \
((GET_RTX_CLASS (GET_CODE (X)) & RTX_ARITHMETIC_MASK) \
== RTX_ARITHMETIC_RESULT)
#define COMMUTATIVE_ARITH_P(X) \
(GET_RTX_CLASS (GET_CODE (X)) == RTX_COMM_ARITH)
#define SWAPPABLE_OPERANDS_P(X) \
((1 << GET_RTX_CLASS (GET_CODE (X))) \
& ((1 << RTX_COMM_ARITH) | (1 << RTX_COMM_COMPARE) \
| (1 << RTX_COMPARE)))
#define NON_COMMUTATIVE_P(X) \
((GET_RTX_CLASS (GET_CODE (X)) & RTX_COMMUTATIVE_MASK) \
== RTX_NON_COMMUTATIVE_RESULT)
#define COMMUTATIVE_P(X) \
((GET_RTX_CLASS (GET_CODE (X)) & RTX_COMMUTATIVE_MASK) \
== RTX_COMMUTATIVE_RESULT)
#define COMPARISON_P(X) \
((GET_RTX_CLASS (GET_CODE (X)) & RTX_COMPARE_MASK) == RTX_COMPARE_RESULT)
#define CONSTANT_P(X) \
(GET_RTX_CLASS (GET_CODE (X)) == RTX_CONST_OBJ)
#define OBJECT_P(X) \
((GET_RTX_CLASS (GET_CODE (X)) & RTX_OBJ_MASK) == RTX_OBJ_RESULT)
#if defined ENABLE_RTL_CHECKING && (GCC_VERSION >= 2007)
#define RTL_CHECK1(RTX, N, C1) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
__FUNCTION__); \
if (GET_RTX_FORMAT(_code)[_n] != C1) \
rtl_check_failed_type1 (_rtx, _n, C1, __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.fld[_n]; }))
#define RTL_CHECK2(RTX, N, C1, C2) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
__FUNCTION__); \
if (GET_RTX_FORMAT(_code)[_n] != C1 \
&& GET_RTX_FORMAT(_code)[_n] != C2) \
rtl_check_failed_type2 (_rtx, _n, C1, C2, __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.fld[_n]; }))
#define RTL_CHECKC1(RTX, N, C) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
if (GET_CODE (_rtx) != (C)) \
rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.fld[_n]; }))
#define RTL_CHECKC2(RTX, N, C1, C2) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_code != (C1) && _code != (C2)) \
rtl_check_failed_code2 (_rtx, (C1), (C2), __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.fld[_n]; }))
#define RTVEC_ELT(RTVEC, I) __extension__ \
(*({ rtvec const _rtvec = (RTVEC); const int _i = (I); \
if (_i < 0 || _i >= GET_NUM_ELEM (_rtvec)) \
rtvec_check_failed_bounds (_rtvec, _i, __FILE__, __LINE__, \
__FUNCTION__); \
&_rtvec->elem[_i]; }))
#define XWINT(RTX, N) __extension__ \
(*({ rtx const _rtx = (RTX); const int _n = (N); \
const enum rtx_code _code = GET_CODE (_rtx); \
if (_n < 0 || _n >= GET_RTX_LENGTH (_code)) \
rtl_check_failed_bounds (_rtx, _n, __FILE__, __LINE__, \
__FUNCTION__); \
if (GET_RTX_FORMAT(_code)[_n] != 'w') \
rtl_check_failed_type1 (_rtx, _n, 'w', __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.hwint[_n]; }))
#define XCWINT(RTX, N, C) __extension__ \
(*({ rtx const _rtx = (RTX); \
if (GET_CODE (_rtx) != (C)) \
rtl_check_failed_code1 (_rtx, (C), __FILE__, __LINE__, \
__FUNCTION__); \
&_rtx->u.hwint[N]; }))
#define XCMWINT(RTX, N, C, M) __extension__ \
(*({ rtx const _rtx = (RTX); \
if (GET_CODE (_rtx) != (C) || GET_MODE (_rtx) != (M)) \
rtl_check_failed_code_mode (_rtx, (C), (M), false, __FILE__, \
__LINE__, __FUNCTION__); \
&_rtx->u.hwint[N]; }))
#define XCNMPRV(RTX, C, M) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE (_rtx) != (C) || GET_MODE (_rtx) == (M)) \
rtl_check_failed_code_mode (_rtx, (C), (M), true, __FILE__, \
__LINE__, __FUNCTION__); \
&_rtx->u.rv; })
#define BLOCK_SYMBOL_CHECK(RTX) __extension__ \
({ rtx const _symbol = (RTX); \
unsigned int flags = RTL_CHECKC1 (_symbol, 1, SYMBOL_REF).rt_int; \
if ((flags & SYMBOL_FLAG_HAS_BLOCK_INFO) == 0) \
rtl_check_failed_block_symbol (__FILE__, __LINE__, \
__FUNCTION__); \
&_symbol->u.block_sym; })
extern void rtl_check_failed_bounds (rtx, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_type1 (rtx, int, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_type2 (rtx, int, int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_code1 (rtx, enum rtx_code, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_code2 (rtx, enum rtx_code, enum rtx_code,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_code_mode (rtx, enum rtx_code, enum machine_mode,
bool, const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void rtl_check_failed_block_symbol (const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void rtvec_check_failed_bounds (rtvec, int, const char *, int,
const char *)
ATTRIBUTE_NORETURN;
#else
#define RTL_CHECK1(RTX, N, C1) ((RTX)->u.fld[N])
#define RTL_CHECK2(RTX, N, C1, C2) ((RTX)->u.fld[N])
#define RTL_CHECKC1(RTX, N, C) ((RTX)->u.fld[N])
#define RTL_CHECKC2(RTX, N, C1, C2) ((RTX)->u.fld[N])
#define RTVEC_ELT(RTVEC, I) ((RTVEC)->elem[I])
#define XWINT(RTX, N) ((RTX)->u.hwint[N])
#define XCWINT(RTX, N, C) ((RTX)->u.hwint[N])
#define XCMWINT(RTX, N, C, M) ((RTX)->u.hwint[N])
#define XCNMWINT(RTX, N, C, M) ((RTX)->u.hwint[N])
#define XCNMPRV(RTX, C, M) (&(RTX)->u.rv)
#define BLOCK_SYMBOL_CHECK(RTX) (&(RTX)->u.block_sym)
#endif
#define RTX_FLAG(RTX, FLAG) ((RTX)->FLAG)
#if defined ENABLE_RTL_FLAG_CHECKING && (GCC_VERSION >= 2007)
#define RTL_FLAG_CHECK1(NAME, RTX, C1) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2) \
rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) __extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) \
__extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6) \
rtl_check_failed_flag (NAME,_rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) \
__extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6 \
&& GET_CODE(_rtx) != C7) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
#define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) \
__extension__ \
({ rtx const _rtx = (RTX); \
if (GET_CODE(_rtx) != C1 && GET_CODE(_rtx) != C2 \
&& GET_CODE(_rtx) != C3 && GET_CODE(_rtx) != C4 \
&& GET_CODE(_rtx) != C5 && GET_CODE(_rtx) != C6 \
&& GET_CODE(_rtx) != C7 && GET_CODE(_rtx) != C8) \
rtl_check_failed_flag (NAME, _rtx, __FILE__, __LINE__, \
__FUNCTION__); \
_rtx; })
extern void rtl_check_failed_flag (const char *, rtx, const char *,
int, const char *)
ATTRIBUTE_NORETURN
;
#else
#define RTL_FLAG_CHECK1(NAME, RTX, C1) (RTX)
#define RTL_FLAG_CHECK2(NAME, RTX, C1, C2) (RTX)
#define RTL_FLAG_CHECK3(NAME, RTX, C1, C2, C3) (RTX)
#define RTL_FLAG_CHECK4(NAME, RTX, C1, C2, C3, C4) (RTX)
#define RTL_FLAG_CHECK5(NAME, RTX, C1, C2, C3, C4, C5) (RTX)
#define RTL_FLAG_CHECK6(NAME, RTX, C1, C2, C3, C4, C5, C6) (RTX)
#define RTL_FLAG_CHECK7(NAME, RTX, C1, C2, C3, C4, C5, C6, C7) (RTX)
#define RTL_FLAG_CHECK8(NAME, RTX, C1, C2, C3, C4, C5, C6, C7, C8) (RTX)
#endif
#define XINT(RTX, N) (RTL_CHECK2 (RTX, N, 'i', 'n').rt_int)
#define XSTR(RTX, N) (RTL_CHECK2 (RTX, N, 's', 'S').rt_str)
#define XEXP(RTX, N) (RTL_CHECK2 (RTX, N, 'e', 'u').rt_rtx)
#define XVEC(RTX, N) (RTL_CHECK2 (RTX, N, 'E', 'V').rt_rtvec)
#define XMODE(RTX, N) (RTL_CHECK1 (RTX, N, 'M').rt_type)
#define XBITMAP(RTX, N) (RTL_CHECK1 (RTX, N, 'b').rt_bit)
#define XTREE(RTX, N) (RTL_CHECK1 (RTX, N, 't').rt_tree)
#define XBBDEF(RTX, N) (RTL_CHECK1 (RTX, N, 'B').rt_bb)
#define XTMPL(RTX, N) (RTL_CHECK1 (RTX, N, 'T').rt_str)
#define XVECEXP(RTX, N, M) RTVEC_ELT (XVEC (RTX, N), M)
#define XVECLEN(RTX, N) GET_NUM_ELEM (XVEC (RTX, N))
#define X0INT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_int)
#define X0UINT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_uint)
#define X0STR(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_str)
#define X0EXP(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_rtx)
#define X0VEC(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_rtvec)
#define X0MODE(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_type)
#define X0BITMAP(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_bit)
#define X0TREE(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_tree)
#define X0BBDEF(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_bb)
#define X0ADVFLAGS(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_addr_diff_vec_flags)
#define X0CSELIB(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_cselib)
#define X0MEMATTR(RTX, N) (RTL_CHECKC1 (RTX, N, MEM).rt_mem)
#define X0REGATTR(RTX, N) (RTL_CHECKC1 (RTX, N, REG).rt_reg)
#define X0CONSTANT(RTX, N) (RTL_CHECK1 (RTX, N, '0').rt_constant)
#define X0ANY(RTX, N) RTL_CHECK1 (RTX, N, '0')
#define XCINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_int)
#define XCUINT(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_uint)
#define XCSTR(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_str)
#define XCEXP(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_rtx)
#define XCVEC(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_rtvec)
#define XCMODE(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_type)
#define XCBITMAP(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_bit)
#define XCTREE(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_tree)
#define XCBBDEF(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_bb)
#define XCCSELIB(RTX, N, C) (RTL_CHECKC1 (RTX, N, C).rt_cselib)
#define XCVECEXP(RTX, N, M, C) RTVEC_ELT (XCVEC (RTX, N, C), M)
#define XCVECLEN(RTX, N, C) GET_NUM_ELEM (XCVEC (RTX, N, C))
#define XC2EXP(RTX, N, C1, C2) (RTL_CHECKC2 (RTX, N, C1, C2).rt_rtx)
#define INSN_UID(INSN) XINT (INSN, 0)
#define PREV_INSN(INSN) XEXP (INSN, 1)
#define NEXT_INSN(INSN) XEXP (INSN, 2)
#define BLOCK_FOR_INSN(INSN) XBBDEF (INSN, 3)
#define INSN_LOCATOR(INSN) XINT (INSN, 4)
#define PATTERN(INSN) XEXP (INSN, 5)
#define INSN_CODE(INSN) XINT (INSN, 6)
#define LOG_LINKS(INSN) XEXP(INSN, 7)
#define RTX_FRAME_RELATED_P(RTX) \
(RTL_FLAG_CHECK5("RTX_FRAME_RELATED_P", (RTX), INSN, CALL_INSN, \
JUMP_INSN, BARRIER, SET)->frame_related)
#define INSN_DELETED_P(RTX) \
(RTL_FLAG_CHECK6("INSN_DELETED_P", (RTX), INSN, CALL_INSN, JUMP_INSN, \
CODE_LABEL, BARRIER, NOTE)->volatil)
#define CONST_OR_PURE_CALL_P(RTX) \
(RTL_FLAG_CHECK3("CONST_OR_PURE_CALL_P", (RTX), CALL_INSN, NOTE, \
EXPR_LIST)->unchanging)
#define SIBLING_CALL_P(RTX) \
(RTL_FLAG_CHECK1("SIBLING_CALL_P", (RTX), CALL_INSN)->jump)
#define INSN_ANNULLED_BRANCH_P(RTX) \
(RTL_FLAG_CHECK3("INSN_ANNULLED_BRANCH_P", (RTX), JUMP_INSN, CALL_INSN, INSN)->unchanging)
#define INSN_FROM_TARGET_P(RTX) \
(RTL_FLAG_CHECK3("INSN_FROM_TARGET_P", (RTX), INSN, JUMP_INSN, CALL_INSN)->in_struct)
#define ADDR_DIFF_VEC_FLAGS(RTX) X0ADVFLAGS(RTX, 4)
#define CSELIB_VAL_PTR(RTX) X0CSELIB(RTX, 0)
#define REG_NOTES(INSN) XEXP(INSN, 8)
enum reg_note
{
#define DEF_REG_NOTE(NAME) NAME,
#include "reg-notes.def"
#undef DEF_REG_NOTE
REG_NOTE_MAX
};
#define REG_NOTE_KIND(LINK) ((enum reg_note) GET_MODE (LINK))
#define PUT_REG_NOTE_KIND(LINK, KIND) \
PUT_MODE (LINK, (enum machine_mode) (KIND))
extern const char * const reg_note_name[];
#define GET_REG_NOTE_NAME(MODE) (reg_note_name[(int) (MODE)])
#define CALL_INSN_FUNCTION_USAGE(INSN) XEXP(INSN, 9)
#define CODE_LABEL_NUMBER(INSN) XINT (INSN, 6)
#define NOTE_DATA(INSN) RTL_CHECKC1 (INSN, 4, NOTE)
#define NOTE_DELETED_LABEL_NAME(INSN) XCSTR (INSN, 4, NOTE)
#ifdef USE_MAPPED_LOCATION
#define NOTE_SOURCE_LOCATION(INSN) XCUINT (INSN, 5, NOTE)
#define NOTE_EXPANDED_LOCATION(XLOC, INSN) \
(XLOC) = expand_location (NOTE_SOURCE_LOCATION (INSN))
#define SET_INSN_DELETED(INSN) \
(PUT_CODE (INSN, NOTE), NOTE_LINE_NUMBER (INSN) = NOTE_INSN_DELETED)
#else
#define NOTE_EXPANDED_LOCATION(XLOC, INSN) \
((XLOC).file = NOTE_SOURCE_FILE (INSN), \
(XLOC).line = NOTE_LINE_NUMBER (INSN))
#define NOTE_SOURCE_FILE(INSN) XCSTR (INSN, 4, NOTE)
#define SET_INSN_DELETED(INSN) \
(PUT_CODE (INSN, NOTE), NOTE_SOURCE_FILE (INSN) = 0, \
NOTE_LINE_NUMBER (INSN) = NOTE_INSN_DELETED)
#endif
#define NOTE_BLOCK(INSN) XCTREE (INSN, 4, NOTE)
#define NOTE_EH_HANDLER(INSN) XCINT (INSN, 4, NOTE)
#define NOTE_BASIC_BLOCK(INSN) XCBBDEF (INSN, 4, NOTE)
#define NOTE_EXPECTED_VALUE(INSN) XCEXP (INSN, 4, NOTE)
#define NOTE_VAR_LOCATION(INSN) XCEXP (INSN, 4, NOTE)
#define NOTE_LINE_NUMBER(INSN) XCINT (INSN, 5, NOTE)
#define NOTE_INSN_BASIC_BLOCK_P(INSN) \
(GET_CODE (INSN) == NOTE \
&& NOTE_LINE_NUMBER (INSN) == NOTE_INSN_BASIC_BLOCK)
#define NOTE_VAR_LOCATION_DECL(INSN) (XCTREE (XCEXP (INSN, 4, NOTE), \
0, VAR_LOCATION))
#define NOTE_VAR_LOCATION_LOC(INSN) (XCEXP (XCEXP (INSN, 4, NOTE), \
1, VAR_LOCATION))
#define NOTE_VAR_LOCATION_STATUS(INSN) (XCINT (XCEXP (INSN, 4, NOTE), \
2, VAR_LOCATION))
enum var_init_status
{
STATUS_UNKNOWN,
STATUS_UNINITIALIZED,
STATUS_INITIALIZED
};
enum insn_note
{
NOTE_INSN_BIAS = -100,
#define DEF_INSN_NOTE(NAME) NAME,
#include "insn-notes.def"
#undef DEF_INSN_NOTE
NOTE_INSN_MAX
};
extern const char * const note_insn_name[NOTE_INSN_MAX - NOTE_INSN_BIAS];
#define GET_NOTE_INSN_NAME(NOTE_CODE) \
(note_insn_name[(NOTE_CODE) - (int) NOTE_INSN_BIAS])
#define LABEL_NAME(RTX) XCSTR (RTX, 7, CODE_LABEL)
#define LABEL_NUSES(RTX) XCINT (RTX, 4, CODE_LABEL)
\
#define LABEL_ALIGN_LOG(RTX) (XCUINT (RTX, 8, CODE_LABEL) & 0xFF)
#define LABEL_MAX_SKIP(RTX) (XCUINT (RTX, 8, CODE_LABEL) >> 8)
#define SET_LABEL_ALIGN(RTX, ALIGN, MAX_SKIP) \
(XCUINT (RTX, 8, CODE_LABEL) = (ALIGN) | ((MAX_SKIP) << 8))
\
enum label_kind
{
LABEL_NORMAL = 0,
LABEL_STATIC_ENTRY,
LABEL_GLOBAL_ENTRY,
LABEL_WEAK_ENTRY
};
#if defined ENABLE_RTL_FLAG_CHECKING && (GCC_VERSION > 2007)
#define LABEL_KIND(LABEL) __extension__ \
({ rtx const _label = (LABEL); \
if (GET_CODE (_label) != CODE_LABEL) \
rtl_check_failed_flag ("LABEL_KIND", _label, __FILE__, __LINE__, \
__FUNCTION__); \
(enum label_kind) ((_label->jump << 1) | _label->call); })
#define SET_LABEL_KIND(LABEL, KIND) do { \
rtx _label = (LABEL); \
unsigned int _kind = (KIND); \
if (GET_CODE (_label) != CODE_LABEL) \
rtl_check_failed_flag ("SET_LABEL_KIND", _label, __FILE__, __LINE__, \
__FUNCTION__); \
_label->jump = ((_kind >> 1) & 1); \
_label->call = (_kind & 1); \
} while (0)
#else
#define LABEL_KIND(LABEL) \
((enum label_kind) (((LABEL)->jump << 1) | (LABEL)->call))
#define SET_LABEL_KIND(LABEL, KIND) do { \
rtx _label = (LABEL); \
unsigned int _kind = (KIND); \
_label->jump = ((_kind >> 1) & 1); \
_label->call = (_kind & 1); \
} while (0)
#endif
#define LABEL_ALT_ENTRY_P(LABEL) (LABEL_KIND (LABEL) != LABEL_NORMAL)
#define JUMP_LABEL(INSN) XCEXP (INSN, 9, JUMP_INSN)
#define LABEL_REFS(LABEL) XCEXP (LABEL, 5, CODE_LABEL)
#define REGNO(RTX) XCUINT (RTX, 0, REG)
#define ORIGINAL_REGNO(RTX) X0UINT (RTX, 1)
#define REG_FUNCTION_VALUE_P(RTX) \
(RTL_FLAG_CHECK2("REG_FUNCTION_VALUE_P", (RTX), REG, PARALLEL)->return_val)
#define REG_USERVAR_P(RTX) \
(RTL_FLAG_CHECK1("REG_USERVAR_P", (RTX), REG)->volatil)
#define REG_POINTER(RTX) \
(RTL_FLAG_CHECK1("REG_POINTER", (RTX), REG)->frame_related)
#define MEM_POINTER(RTX) \
(RTL_FLAG_CHECK1("MEM_POINTER", (RTX), MEM)->frame_related)
#define HARD_REGISTER_P(REG) (HARD_REGISTER_NUM_P (REGNO (REG)))
#define HARD_REGISTER_NUM_P(REG_NO) ((REG_NO) < FIRST_PSEUDO_REGISTER)
#define INTVAL(RTX) XCWINT(RTX, 0, CONST_INT)
#define UINTVAL(RTX) ((unsigned HOST_WIDE_INT) INTVAL (RTX))
#define CONST_DOUBLE_LOW(r) XCMWINT (r, 0, CONST_DOUBLE, VOIDmode)
#define CONST_DOUBLE_HIGH(r) XCMWINT (r, 1, CONST_DOUBLE, VOIDmode)
#define CONST_DOUBLE_REAL_VALUE(r) \
((const struct real_value *) XCNMPRV (r, CONST_DOUBLE, VOIDmode))
#define CONST_VECTOR_ELT(RTX, N) XCVECEXP (RTX, 0, N, CONST_VECTOR)
#define CONST_VECTOR_NUNITS(RTX) XCVECLEN (RTX, 0, CONST_VECTOR)
#define SUBREG_REG(RTX) XCEXP (RTX, 0, SUBREG)
#define SUBREG_BYTE(RTX) XCUINT (RTX, 1, SUBREG)
#define COSTS_N_INSNS(N) ((N) * 4)
#define MAX_COST INT_MAX
extern void init_rtlanal (void);
extern int rtx_cost (rtx, enum rtx_code);
extern int address_cost (rtx, enum machine_mode);
extern unsigned int subreg_lsb (rtx);
extern unsigned int subreg_lsb_1 (enum machine_mode, enum machine_mode,
unsigned int);
extern unsigned int subreg_regno_offset (unsigned int, enum machine_mode,
unsigned int, enum machine_mode);
extern bool subreg_offset_representable_p (unsigned int, enum machine_mode,
unsigned int, enum machine_mode);
extern unsigned int subreg_regno (rtx);
extern unsigned HOST_WIDE_INT nonzero_bits (rtx, enum machine_mode);
extern unsigned int num_sign_bit_copies (rtx, enum machine_mode);
extern bool constant_pool_constant_p (rtx);
extern bool truncated_to_mode (enum machine_mode, rtx);
#define SUBREG_PROMOTED_VAR_P(RTX) \
(RTL_FLAG_CHECK1("SUBREG_PROMOTED", (RTX), SUBREG)->in_struct)
#define SUBREG_PROMOTED_UNSIGNED_SET(RTX, VAL) \
do { \
rtx const _rtx = RTL_FLAG_CHECK1("SUBREG_PROMOTED_UNSIGNED_SET", (RTX), SUBREG); \
if ((VAL) < 0) \
_rtx->volatil = 1; \
else { \
_rtx->volatil = 0; \
_rtx->unchanging = (VAL); \
} \
} while (0)
#define SUBREG_PROMOTED_UNSIGNED_P(RTX) \
((RTL_FLAG_CHECK1("SUBREG_PROMOTED_UNSIGNED_P", (RTX), SUBREG)->volatil) \
? -1 : (RTX)->unchanging)
#define ASM_OPERANDS_TEMPLATE(RTX) XCSTR (RTX, 0, ASM_OPERANDS)
#define ASM_OPERANDS_OUTPUT_CONSTRAINT(RTX) XCSTR (RTX, 1, ASM_OPERANDS)
#define ASM_OPERANDS_OUTPUT_IDX(RTX) XCINT (RTX, 2, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_VEC(RTX) XCVEC (RTX, 3, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_CONSTRAINT_VEC(RTX) XCVEC (RTX, 4, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT(RTX, N) XCVECEXP (RTX, 3, N, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_LENGTH(RTX) XCVECLEN (RTX, 3, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_CONSTRAINT_EXP(RTX, N) \
XCVECEXP (RTX, 4, N, ASM_OPERANDS)
#define ASM_OPERANDS_INPUT_CONSTRAINT(RTX, N) \
XSTR (XCVECEXP (RTX, 4, N, ASM_OPERANDS), 0)
#define ASM_OPERANDS_INPUT_MODE(RTX, N) \
GET_MODE (XCVECEXP (RTX, 4, N, ASM_OPERANDS))
#ifdef USE_MAPPED_LOCATION
#define ASM_OPERANDS_SOURCE_LOCATION(RTX) XCUINT (RTX, 5, ASM_OPERANDS)
#else
#define ASM_OPERANDS_SOURCE_FILE(RTX) XCSTR (RTX, 5, ASM_OPERANDS)
#define ASM_OPERANDS_SOURCE_LINE(RTX) XCINT (RTX, 6, ASM_OPERANDS)
#endif
#define MEM_READONLY_P(RTX) \
(RTL_FLAG_CHECK1("MEM_READONLY_P", (RTX), MEM)->unchanging)
#define MEM_KEEP_ALIAS_SET_P(RTX) \
(RTL_FLAG_CHECK1("MEM_KEEP_ALIAS_SET_P", (RTX), MEM)->jump)
#define MEM_VOLATILE_P(RTX) \
(RTL_FLAG_CHECK3("MEM_VOLATILE_P", (RTX), MEM, ASM_OPERANDS, \
ASM_INPUT)->volatil)
#define MEM_IN_STRUCT_P(RTX) \
(RTL_FLAG_CHECK1("MEM_IN_STRUCT_P", (RTX), MEM)->in_struct)
#define MEM_SCALAR_P(RTX) \
(RTL_FLAG_CHECK1("MEM_SCALAR_P", (RTX), MEM)->return_val)
#define MEM_NOTRAP_P(RTX) \
(RTL_FLAG_CHECK1("MEM_NOTRAP_P", (RTX), MEM)->call)
#define MEM_SET_IN_STRUCT_P(RTX, VAL) \
do { \
if (VAL) \
{ \
MEM_IN_STRUCT_P (RTX) = 1; \
MEM_SCALAR_P (RTX) = 0; \
} \
else \
{ \
MEM_IN_STRUCT_P (RTX) = 0; \
MEM_SCALAR_P (RTX) = 1; \
} \
} while (0)
#define MEM_ATTRS(RTX) X0MEMATTR (RTX, 1)
#define REG_ATTRS(RTX) X0REGATTR (RTX, 2)
#define MEM_ALIAS_SET(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->alias)
#define MEM_EXPR(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->expr)
#define MEM_OFFSET(RTX) (MEM_ATTRS (RTX) == 0 ? 0 : MEM_ATTRS (RTX)->offset)
#define MEM_SIZE(RTX) \
(MEM_ATTRS (RTX) != 0 ? MEM_ATTRS (RTX)->size \
: GET_MODE (RTX) != BLKmode ? GEN_INT (GET_MODE_SIZE (GET_MODE (RTX))) \
: 0)
#define MEM_ALIGN(RTX) \
(MEM_ATTRS (RTX) != 0 ? MEM_ATTRS (RTX)->align \
: (STRICT_ALIGNMENT && GET_MODE (RTX) != BLKmode \
? GET_MODE_ALIGNMENT (GET_MODE (RTX)) : BITS_PER_UNIT))
#define REG_EXPR(RTX) (REG_ATTRS (RTX) == 0 ? 0 : REG_ATTRS (RTX)->decl)
#define REG_OFFSET(RTX) (REG_ATTRS (RTX) == 0 ? 0 : REG_ATTRS (RTX)->offset)
#define MEM_COPY_ATTRIBUTES(LHS, RHS) \
(MEM_VOLATILE_P (LHS) = MEM_VOLATILE_P (RHS), \
MEM_IN_STRUCT_P (LHS) = MEM_IN_STRUCT_P (RHS), \
MEM_SCALAR_P (LHS) = MEM_SCALAR_P (RHS), \
MEM_NOTRAP_P (LHS) = MEM_NOTRAP_P (RHS), \
MEM_READONLY_P (LHS) = MEM_READONLY_P (RHS), \
MEM_KEEP_ALIAS_SET_P (LHS) = MEM_KEEP_ALIAS_SET_P (RHS), \
MEM_ATTRS (LHS) = MEM_ATTRS (RHS))
#define LABEL_REF_NONLOCAL_P(RTX) \
(RTL_FLAG_CHECK2("LABEL_REF_NONLOCAL_P", (RTX), LABEL_REF, \
REG_LABEL)->volatil)
#define LABEL_PRESERVE_P(RTX) \
(RTL_FLAG_CHECK2("LABEL_PRESERVE_P", (RTX), CODE_LABEL, NOTE)->in_struct)
#define SCHED_GROUP_P(RTX) \
(RTL_FLAG_CHECK3("SCHED_GROUP_P", (RTX), INSN, JUMP_INSN, CALL_INSN \
)->in_struct)
#define SET_DEST(RTX) XC2EXP(RTX, 0, SET, CLOBBER)
#define SET_SRC(RTX) XCEXP(RTX, 1, SET)
#define SET_IS_RETURN_P(RTX) \
(RTL_FLAG_CHECK1("SET_IS_RETURN_P", (RTX), SET)->jump)
#define TRAP_CONDITION(RTX) XCEXP (RTX, 0, TRAP_IF)
#define TRAP_CODE(RTX) XCEXP (RTX, 1, TRAP_IF)
#define COND_EXEC_TEST(RTX) XCEXP (RTX, 0, COND_EXEC)
#define COND_EXEC_CODE(RTX) XCEXP (RTX, 1, COND_EXEC)
#define CONSTANT_POOL_ADDRESS_P(RTX) \
(RTL_FLAG_CHECK1("CONSTANT_POOL_ADDRESS_P", (RTX), SYMBOL_REF)->unchanging)
#define TREE_CONSTANT_POOL_ADDRESS_P(RTX) \
(RTL_FLAG_CHECK1("TREE_CONSTANT_POOL_ADDRESS_P", \
(RTX), SYMBOL_REF)->frame_related)
#define SYMBOL_REF_FLAG(RTX) \
(RTL_FLAG_CHECK1("SYMBOL_REF_FLAG", (RTX), SYMBOL_REF)->volatil)
#define SYMBOL_REF_USED(RTX) \
(RTL_FLAG_CHECK1("SYMBOL_REF_USED", (RTX), SYMBOL_REF)->used)
#define SYMBOL_REF_WEAK(RTX) \
(RTL_FLAG_CHECK1("SYMBOL_REF_WEAK", (RTX), SYMBOL_REF)->return_val)
#define SYMBOL_REF_DATA(RTX) X0ANY ((RTX), 2)
#define SET_SYMBOL_REF_DECL(RTX, DECL) \
(gcc_assert (!CONSTANT_POOL_ADDRESS_P (RTX)), X0TREE ((RTX), 2) = (DECL))
#define SYMBOL_REF_DECL(RTX) \
(CONSTANT_POOL_ADDRESS_P (RTX) ? NULL : X0TREE ((RTX), 2))
#define SET_SYMBOL_REF_CONSTANT(RTX, C) \
(gcc_assert (CONSTANT_POOL_ADDRESS_P (RTX)), X0CONSTANT ((RTX), 2) = (C))
#define SYMBOL_REF_CONSTANT(RTX) \
(CONSTANT_POOL_ADDRESS_P (RTX) ? X0CONSTANT ((RTX), 2) : NULL)
#define SYMBOL_REF_FLAGS(RTX) X0INT ((RTX), 1)
#define SYMBOL_FLAG_FUNCTION (1 << 0)
#define SYMBOL_REF_FUNCTION_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_FUNCTION) != 0)
#define SYMBOL_FLAG_LOCAL (1 << 1)
#define SYMBOL_REF_LOCAL_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_LOCAL) != 0)
#define SYMBOL_FLAG_SMALL (1 << 2)
#define SYMBOL_REF_SMALL_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_SMALL) != 0)
#define SYMBOL_FLAG_TLS_SHIFT 3
#define SYMBOL_REF_TLS_MODEL(RTX) \
((enum tls_model) ((SYMBOL_REF_FLAGS (RTX) >> SYMBOL_FLAG_TLS_SHIFT) & 7))
#define SYMBOL_FLAG_EXTERNAL (1 << 6)
#define SYMBOL_REF_EXTERNAL_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_EXTERNAL) != 0)
#define SYMBOL_FLAG_HAS_BLOCK_INFO (1 << 7)
#define SYMBOL_REF_HAS_BLOCK_INFO_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_HAS_BLOCK_INFO) != 0)
#define SYMBOL_FLAG_ANCHOR (1 << 8)
#define SYMBOL_REF_ANCHOR_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_ANCHOR) != 0)
#define SYMBOL_FLAG_MACH_DEP_SHIFT 9
#define SYMBOL_FLAG_MACH_DEP (1 << SYMBOL_FLAG_MACH_DEP_SHIFT)
#define SYMBOL_REF_BLOCK(RTX) (BLOCK_SYMBOL_CHECK (RTX)->block)
#define SYMBOL_REF_BLOCK_OFFSET(RTX) (BLOCK_SYMBOL_CHECK (RTX)->offset)
#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
#define FIND_REG_INC_NOTE(INSN, REG) \
((REG) != NULL_RTX && REG_P ((REG)) \
? find_regno_note ((INSN), REG_INC, REGNO (REG)) \
: find_reg_note ((INSN), REG_INC, (REG)))
#else
#define FIND_REG_INC_NOTE(INSN, REG) 0
#endif
#if (defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT) || defined (HAVE_POST_INCREMENT) || defined (HAVE_POST_DECREMENT))
#define AUTO_INC_DEC
#endif
#ifndef HAVE_PRE_INCREMENT
#define HAVE_PRE_INCREMENT 0
#endif
#ifndef HAVE_PRE_DECREMENT
#define HAVE_PRE_DECREMENT 0
#endif
#ifndef HAVE_POST_INCREMENT
#define HAVE_POST_INCREMENT 0
#endif
#ifndef HAVE_POST_DECREMENT
#define HAVE_POST_DECREMENT 0
#endif
#ifndef HAVE_POST_MODIFY_DISP
#define HAVE_POST_MODIFY_DISP 0
#endif
#ifndef HAVE_POST_MODIFY_REG
#define HAVE_POST_MODIFY_REG 0
#endif
#ifndef HAVE_PRE_MODIFY_DISP
#define HAVE_PRE_MODIFY_DISP 0
#endif
#ifndef HAVE_PRE_MODIFY_REG
#define HAVE_PRE_MODIFY_REG 0
#endif
#ifndef USE_LOAD_POST_INCREMENT
#define USE_LOAD_POST_INCREMENT(MODE) HAVE_POST_INCREMENT
#endif
#ifndef USE_LOAD_POST_DECREMENT
#define USE_LOAD_POST_DECREMENT(MODE) HAVE_POST_DECREMENT
#endif
#ifndef USE_LOAD_PRE_INCREMENT
#define USE_LOAD_PRE_INCREMENT(MODE) HAVE_PRE_INCREMENT
#endif
#ifndef USE_LOAD_PRE_DECREMENT
#define USE_LOAD_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
#endif
#ifndef USE_STORE_POST_INCREMENT
#define USE_STORE_POST_INCREMENT(MODE) HAVE_POST_INCREMENT
#endif
#ifndef USE_STORE_POST_DECREMENT
#define USE_STORE_POST_DECREMENT(MODE) HAVE_POST_DECREMENT
#endif
#ifndef USE_STORE_PRE_INCREMENT
#define USE_STORE_PRE_INCREMENT(MODE) HAVE_PRE_INCREMENT
#endif
#ifndef USE_STORE_PRE_DECREMENT
#define USE_STORE_PRE_DECREMENT(MODE) HAVE_PRE_DECREMENT
#endif
extern int generating_concat_p;
extern int currently_expanding_to_rtl;
extern int ceil_log2 (unsigned HOST_WIDE_INT);
extern rtx expand_builtin_expect_jump (tree, rtx, rtx);
extern void set_stack_check_libfunc (rtx);
extern HOST_WIDE_INT trunc_int_for_mode (HOST_WIDE_INT, enum machine_mode);
extern rtx plus_constant (rtx, HOST_WIDE_INT);
extern rtvec gen_rtvec (int, ...);
extern rtx copy_insn_1 (rtx);
extern rtx copy_insn (rtx);
extern rtx gen_int_mode (HOST_WIDE_INT, enum machine_mode);
extern rtx emit_copy_of_insn_after (rtx, rtx);
extern void set_reg_attrs_from_mem (rtx, rtx);
extern void set_mem_attrs_from_reg (rtx, rtx);
extern void set_reg_attrs_for_parm (rtx, rtx);
extern int mem_expr_equal_p (tree, tree);
extern rtx rtx_alloc_stat (RTX_CODE MEM_STAT_DECL);
#define rtx_alloc(c) rtx_alloc_stat (c MEM_STAT_INFO)
extern rtvec rtvec_alloc (int);
extern rtx copy_rtx (rtx);
extern void dump_rtx_statistics (void);
extern rtx copy_rtx_if_shared (rtx);
extern unsigned int rtx_size (rtx);
extern rtx shallow_copy_rtx_stat (rtx MEM_STAT_DECL);
#define shallow_copy_rtx(a) shallow_copy_rtx_stat (a MEM_STAT_INFO)
extern int rtx_equal_p (rtx, rtx);
extern rtvec gen_rtvec_v (int, rtx *);
extern rtx gen_reg_rtx (enum machine_mode);
extern rtx gen_rtx_REG_offset (rtx, enum machine_mode, unsigned int, int);
extern rtx gen_label_rtx (void);
extern rtx gen_lowpart_common (enum machine_mode, rtx);
extern rtx gen_lowpart_if_possible (enum machine_mode, rtx);
extern rtx gen_highpart (enum machine_mode, rtx);
extern rtx gen_highpart_mode (enum machine_mode, enum machine_mode, rtx);
extern rtx operand_subword (rtx, unsigned int, int, enum machine_mode);
extern rtx operand_subword_force (rtx, unsigned int, enum machine_mode);
extern int subreg_lowpart_p (rtx);
extern unsigned int subreg_lowpart_offset (enum machine_mode,
enum machine_mode);
extern unsigned int subreg_highpart_offset (enum machine_mode,
enum machine_mode);
extern rtx make_safe_from (rtx, rtx);
extern rtx convert_memory_address (enum machine_mode, rtx);
extern rtx get_insns (void);
extern const char *get_insn_name (int);
extern rtx get_last_insn (void);
extern rtx get_last_insn_anywhere (void);
extern rtx get_first_nonnote_insn (void);
extern rtx get_last_nonnote_insn (void);
extern void start_sequence (void);
extern void push_to_sequence (rtx);
extern void end_sequence (void);
extern rtx immed_double_const (HOST_WIDE_INT, HOST_WIDE_INT,
enum machine_mode);
extern rtx lowpart_subreg (enum machine_mode, rtx, enum machine_mode);
extern rtx force_const_mem (enum machine_mode, rtx);
struct function;
extern rtx get_pool_constant (rtx);
extern rtx get_pool_constant_mark (rtx, bool *);
extern enum machine_mode get_pool_mode (rtx);
extern rtx simplify_subtraction (rtx);
extern rtx assign_stack_local (enum machine_mode, HOST_WIDE_INT, int);
extern rtx assign_stack_local_with_alias (enum machine_mode,
HOST_WIDE_INT, int);
extern rtx assign_stack_temp (enum machine_mode, HOST_WIDE_INT, int);
extern rtx assign_stack_temp_for_type (enum machine_mode,
HOST_WIDE_INT, int, tree);
extern rtx assign_temp (tree, int, int, int);
extern rtx emit_insn_before (rtx, rtx);
extern rtx emit_insn_before_noloc (rtx, rtx);
extern rtx emit_insn_before_setloc (rtx, rtx, int);
extern rtx emit_jump_insn_before (rtx, rtx);
extern rtx emit_jump_insn_before_noloc (rtx, rtx);
extern rtx emit_jump_insn_before_setloc (rtx, rtx, int);
extern rtx emit_call_insn_before (rtx, rtx);
extern rtx emit_call_insn_before_noloc (rtx, rtx);
extern rtx emit_call_insn_before_setloc (rtx, rtx, int);
extern rtx emit_barrier_before (rtx);
extern rtx emit_label_before (rtx, rtx);
extern rtx emit_note_before (int, rtx);
extern rtx emit_insn_after (rtx, rtx);
extern rtx emit_insn_after_noloc (rtx, rtx);
extern rtx emit_insn_after_setloc (rtx, rtx, int);
extern rtx emit_jump_insn_after (rtx, rtx);
extern rtx emit_jump_insn_after_noloc (rtx, rtx);
extern rtx emit_jump_insn_after_setloc (rtx, rtx, int);
extern rtx emit_call_insn_after (rtx, rtx);
extern rtx emit_call_insn_after_noloc (rtx, rtx);
extern rtx emit_call_insn_after_setloc (rtx, rtx, int);
extern rtx emit_barrier_after (rtx);
extern rtx emit_label_after (rtx, rtx);
extern rtx emit_note_after (int, rtx);
extern rtx emit_note_copy_after (rtx, rtx);
extern rtx emit_insn (rtx);
extern rtx emit_jump_insn (rtx);
extern rtx emit_call_insn (rtx);
extern rtx emit_label (rtx);
extern rtx emit_barrier (void);
extern rtx emit_note (int);
extern rtx emit_note_copy (rtx);
extern rtx emit_line_note (location_t);
extern rtx make_insn_raw (rtx);
extern rtx make_jump_insn_raw (rtx);
extern void add_function_usage_to (rtx, rtx);
extern rtx last_call_insn (void);
extern rtx previous_insn (rtx);
extern rtx next_insn (rtx);
extern rtx prev_nonnote_insn (rtx);
extern rtx next_nonnote_insn (rtx);
extern rtx prev_real_insn (rtx);
extern rtx next_real_insn (rtx);
extern rtx prev_active_insn (rtx);
extern rtx next_active_insn (rtx);
extern int active_insn_p (rtx);
extern rtx prev_label (rtx);
extern rtx next_label (rtx);
extern rtx skip_consecutive_labels (rtx);
extern rtx next_cc0_user (rtx);
extern rtx prev_cc0_setter (rtx);
extern int insn_line (rtx);
extern const char * insn_file (rtx);
extern int locator_line (int);
extern const char * locator_file (int);
extern int prologue_locator, epilogue_locator;
extern enum rtx_code reverse_condition (enum rtx_code);
extern enum rtx_code reverse_condition_maybe_unordered (enum rtx_code);
extern enum rtx_code swap_condition (enum rtx_code);
extern enum rtx_code unsigned_condition (enum rtx_code);
extern enum rtx_code signed_condition (enum rtx_code);
extern void mark_jump_label (rtx, rtx, int);
extern unsigned int cleanup_barriers (void);
extern bool squeeze_notes (rtx *, rtx *);
extern rtx delete_related_insns (rtx);
extern void delete_jump (rtx);
extern rtx get_label_before (rtx);
extern rtx get_label_after (rtx);
extern rtx follow_jumps (rtx);
extern rtx *find_constant_term_loc (rtx *);
extern rtx try_split (rtx, rtx, int);
extern int split_branch_probability;
extern rtx split_insns (rtx, rtx);
extern rtx simplify_const_unary_operation (enum rtx_code, enum machine_mode,
rtx, enum machine_mode);
extern rtx simplify_unary_operation (enum rtx_code, enum machine_mode, rtx,
enum machine_mode);
extern rtx simplify_const_binary_operation (enum rtx_code, enum machine_mode,
rtx, rtx);
extern rtx simplify_binary_operation (enum rtx_code, enum machine_mode, rtx,
rtx);
extern rtx simplify_ternary_operation (enum rtx_code, enum machine_mode,
enum machine_mode, rtx, rtx, rtx);
extern rtx simplify_const_relational_operation (enum rtx_code,
enum machine_mode, rtx, rtx);
extern rtx simplify_relational_operation (enum rtx_code, enum machine_mode,
enum machine_mode, rtx, rtx);
extern rtx simplify_gen_binary (enum rtx_code, enum machine_mode, rtx, rtx);
extern rtx simplify_gen_unary (enum rtx_code, enum machine_mode, rtx,
enum machine_mode);
extern rtx simplify_gen_ternary (enum rtx_code, enum machine_mode,
enum machine_mode, rtx, rtx, rtx);
extern rtx simplify_gen_relational (enum rtx_code, enum machine_mode,
enum machine_mode, rtx, rtx);
extern rtx simplify_subreg (enum machine_mode, rtx, enum machine_mode,
unsigned int);
extern rtx simplify_gen_subreg (enum machine_mode, rtx, enum machine_mode,
unsigned int);
extern rtx simplify_replace_rtx (rtx, rtx, rtx);
extern rtx simplify_rtx (rtx);
extern rtx avoid_constant_pool_reference (rtx);
extern bool constant_pool_reference_p (rtx x);
extern bool mode_signbit_p (enum machine_mode, rtx);
extern enum machine_mode choose_hard_reg_mode (unsigned int, unsigned int,
bool);
extern rtx set_unique_reg_note (rtx, enum reg_note, rtx);
#define single_set(I) (INSN_P (I) \
? (GET_CODE (PATTERN (I)) == SET \
? PATTERN (I) : single_set_1 (I)) \
: NULL_RTX)
#define single_set_1(I) single_set_2 (I, PATTERN (I))
typedef struct replace_label_data
{
rtx r1;
rtx r2;
bool update_label_nuses;
} replace_label_data;
extern int rtx_addr_can_trap_p (rtx);
extern bool nonzero_address_p (rtx);
extern int rtx_unstable_p (rtx);
extern int rtx_varies_p (rtx, int);
extern int rtx_addr_varies_p (rtx, int);
extern HOST_WIDE_INT get_integer_term (rtx);
extern rtx get_related_value (rtx);
extern int reg_mentioned_p (rtx, rtx);
extern int count_occurrences (rtx, rtx, int);
extern int reg_referenced_p (rtx, rtx);
extern int reg_used_between_p (rtx, rtx, rtx);
extern int reg_set_between_p (rtx, rtx, rtx);
extern int commutative_operand_precedence (rtx);
extern int swap_commutative_operands_p (rtx, rtx);
extern int modified_between_p (rtx, rtx, rtx);
extern int no_labels_between_p (rtx, rtx);
extern int modified_in_p (rtx, rtx);
extern int reg_set_p (rtx, rtx);
extern rtx single_set_2 (rtx, rtx);
extern int multiple_sets (rtx);
extern int set_noop_p (rtx);
extern int noop_move_p (rtx);
extern rtx find_last_value (rtx, rtx *, rtx, int);
extern int refers_to_regno_p (unsigned int, unsigned int, rtx, rtx *);
extern int reg_overlap_mentioned_p (rtx, rtx);
extern rtx set_of (rtx, rtx);
extern void note_stores (rtx, void (*) (rtx, rtx, void *), void *);
extern void note_uses (rtx *, void (*) (rtx *, void *), void *);
extern int dead_or_set_p (rtx, rtx);
extern int dead_or_set_regno_p (rtx, unsigned int);
extern rtx find_reg_note (rtx, enum reg_note, rtx);
extern rtx find_regno_note (rtx, enum reg_note, unsigned int);
extern rtx find_reg_equal_equiv_note (rtx);
extern int find_reg_fusage (rtx, enum rtx_code, rtx);
extern int find_regno_fusage (rtx, enum rtx_code, unsigned int);
extern int pure_call_p (rtx);
extern void remove_note (rtx, rtx);
extern int side_effects_p (rtx);
extern int volatile_refs_p (rtx);
extern int volatile_insn_p (rtx);
extern int may_trap_p (rtx);
extern int may_trap_after_code_motion_p (rtx);
extern int may_trap_or_fault_p (rtx);
extern int inequality_comparisons_p (rtx);
extern rtx replace_rtx (rtx, rtx, rtx);
extern int replace_label (rtx *, void *);
extern int rtx_referenced_p (rtx, rtx);
extern bool tablejump_p (rtx, rtx *, rtx *);
extern int computed_jump_p (rtx);
typedef int (*rtx_function) (rtx *, void *);
extern int for_each_rtx (rtx *, rtx_function, void *);
extern rtx regno_use_in (unsigned int, rtx);
extern int auto_inc_p (rtx);
extern int in_expr_list_p (rtx, rtx);
extern void remove_node_from_expr_list (rtx, rtx *);
extern int loc_mentioned_in_p (rtx *, rtx);
extern rtx find_first_parameter_load (rtx, rtx);
extern bool keep_with_call_p (rtx);
extern bool label_is_jump_target_p (rtx, rtx);
extern int insn_rtx_cost (rtx);
extern rtx canonicalize_condition (rtx, rtx, int, rtx *, rtx, int, int);
extern rtx get_condition (rtx, rtx *, int, int);
extern rtx find_use_as_address (rtx, rtx, HOST_WIDE_INT);
void free_EXPR_LIST_list (rtx *);
void free_INSN_LIST_list (rtx *);
void free_EXPR_LIST_node (rtx);
void free_INSN_LIST_node (rtx);
rtx alloc_INSN_LIST (rtx, rtx);
rtx alloc_EXPR_LIST (int, rtx, rtx);
void free_DEPS_LIST_list (rtx *);
rtx alloc_DEPS_LIST (rtx, rtx, int);
void remove_free_DEPS_LIST_elem (rtx, rtx *);
void remove_free_INSN_LIST_elem (rtx, rtx *);
rtx remove_list_elem (rtx, rtx *);
rtx copy_DEPS_LIST_list (rtx);
extern int max_parallel;
extern void free_reg_info (void);
extern int asm_noperands (rtx);
extern const char *decode_asm_operands (rtx, rtx *, rtx **, const char **,
enum machine_mode *);
extern enum reg_class reg_preferred_class (int);
extern enum reg_class reg_alternate_class (int);
extern void split_all_insns (int);
extern unsigned int split_all_insns_noflow (void);
#define MAX_SAVED_CONST_INT 64
extern GTY(()) rtx const_int_rtx[MAX_SAVED_CONST_INT * 2 + 1];
#define const0_rtx (const_int_rtx[MAX_SAVED_CONST_INT])
#define const1_rtx (const_int_rtx[MAX_SAVED_CONST_INT+1])
#define const2_rtx (const_int_rtx[MAX_SAVED_CONST_INT+2])
#define constm1_rtx (const_int_rtx[MAX_SAVED_CONST_INT-1])
extern GTY(()) rtx const_true_rtx;
extern GTY(()) rtx const_tiny_rtx[3][(int) MAX_MACHINE_MODE];
#define CONST0_RTX(MODE) (const_tiny_rtx[0][(int) (MODE)])
#define CONST1_RTX(MODE) (const_tiny_rtx[1][(int) (MODE)])
#define CONST2_RTX(MODE) (const_tiny_rtx[2][(int) (MODE)])
#ifndef HARD_FRAME_POINTER_REGNUM
#define HARD_FRAME_POINTER_REGNUM FRAME_POINTER_REGNUM
#endif
enum global_rtl_index
{
GR_PC,
GR_CC0,
GR_STACK_POINTER,
GR_FRAME_POINTER,
#if FRAME_POINTER_REGNUM == ARG_POINTER_REGNUM
GR_ARG_POINTER = GR_FRAME_POINTER,
#endif
#if HARD_FRAME_POINTER_REGNUM == FRAME_POINTER_REGNUM
GR_HARD_FRAME_POINTER = GR_FRAME_POINTER,
#else
GR_HARD_FRAME_POINTER,
#endif
#if FRAME_POINTER_REGNUM != ARG_POINTER_REGNUM
#if HARD_FRAME_POINTER_REGNUM == ARG_POINTER_REGNUM
GR_ARG_POINTER = GR_HARD_FRAME_POINTER,
#else
GR_ARG_POINTER,
#endif
#endif
GR_VIRTUAL_INCOMING_ARGS,
GR_VIRTUAL_STACK_ARGS,
GR_VIRTUAL_STACK_DYNAMIC,
GR_VIRTUAL_OUTGOING_ARGS,
GR_VIRTUAL_CFA,
GR_MAX
};
extern GTY(()) rtx global_rtl[GR_MAX];
#define pc_rtx (global_rtl[GR_PC])
#define cc0_rtx (global_rtl[GR_CC0])
#define stack_pointer_rtx (global_rtl[GR_STACK_POINTER])
#define frame_pointer_rtx (global_rtl[GR_FRAME_POINTER])
#define hard_frame_pointer_rtx (global_rtl[GR_HARD_FRAME_POINTER])
#define arg_pointer_rtx (global_rtl[GR_ARG_POINTER])
extern GTY(()) rtx pic_offset_table_rtx;
extern GTY(()) rtx static_chain_rtx;
extern GTY(()) rtx static_chain_incoming_rtx;
extern GTY(()) rtx return_address_pointer_rtx;
#ifndef GENERATOR_FILE
#include "genrtl.h"
#ifndef USE_MAPPED_LOCATION
#undef gen_rtx_ASM_OPERANDS
#define gen_rtx_ASM_OPERANDS(MODE, ARG0, ARG1, ARG2, ARG3, ARG4, LOC) \
gen_rtx_fmt_ssiEEsi (ASM_OPERANDS, (MODE), (ARG0), (ARG1), (ARG2), (ARG3), (ARG4), (LOC).file, (LOC).line)
#endif
#endif
extern rtx gen_rtx_CONST_INT (enum machine_mode, HOST_WIDE_INT);
extern rtx gen_rtx_CONST_VECTOR (enum machine_mode, rtvec);
extern rtx gen_raw_REG (enum machine_mode, int);
extern rtx gen_rtx_REG (enum machine_mode, unsigned);
extern rtx gen_rtx_SUBREG (enum machine_mode, rtx, int);
extern rtx gen_rtx_MEM (enum machine_mode, rtx);
#define GEN_INT(N) gen_rtx_CONST_INT (VOIDmode, (N))
#define FIRST_VIRTUAL_REGISTER (FIRST_PSEUDO_REGISTER)
#define virtual_incoming_args_rtx (global_rtl[GR_VIRTUAL_INCOMING_ARGS])
#define VIRTUAL_INCOMING_ARGS_REGNUM (FIRST_VIRTUAL_REGISTER)
#define virtual_stack_vars_rtx (global_rtl[GR_VIRTUAL_STACK_ARGS])
#define VIRTUAL_STACK_VARS_REGNUM ((FIRST_VIRTUAL_REGISTER) + 1)
#define virtual_stack_dynamic_rtx (global_rtl[GR_VIRTUAL_STACK_DYNAMIC])
#define VIRTUAL_STACK_DYNAMIC_REGNUM ((FIRST_VIRTUAL_REGISTER) + 2)
#define virtual_outgoing_args_rtx (global_rtl[GR_VIRTUAL_OUTGOING_ARGS])
#define VIRTUAL_OUTGOING_ARGS_REGNUM ((FIRST_VIRTUAL_REGISTER) + 3)
#define virtual_cfa_rtx (global_rtl[GR_VIRTUAL_CFA])
#define VIRTUAL_CFA_REGNUM ((FIRST_VIRTUAL_REGISTER) + 4)
#define LAST_VIRTUAL_REGISTER ((FIRST_VIRTUAL_REGISTER) + 4)
#define REGNO_PTR_FRAME_P(REGNUM) \
((REGNUM) == STACK_POINTER_REGNUM \
|| (REGNUM) == FRAME_POINTER_REGNUM \
|| (REGNUM) == HARD_FRAME_POINTER_REGNUM \
|| (REGNUM) == ARG_POINTER_REGNUM \
|| ((REGNUM) >= FIRST_VIRTUAL_REGISTER \
&& (REGNUM) <= LAST_VIRTUAL_REGISTER))
#define INVALID_REGNUM (~(unsigned int) 0)
extern rtx output_constant_def (tree, int);
extern rtx lookup_constant_def (tree);
extern int flow2_completed;
extern int reload_completed;
extern int epilogue_completed;
extern int reload_in_progress;
#ifdef STACK_REGS
extern int regstack_completed;
#endif
extern int cse_not_expected;
extern int no_new_pseudos;
extern int rtx_to_tree_code (enum rtx_code);
extern int delete_trivially_dead_insns (rtx, int);
extern int cse_main (rtx, int);
extern int exp_equiv_p (rtx, rtx, int, bool);
extern unsigned hash_rtx (rtx x, enum machine_mode, int *, int *, bool);
extern int comparison_dominates_p (enum rtx_code, enum rtx_code);
extern int condjump_p (rtx);
extern int any_condjump_p (rtx);
extern int any_uncondjump_p (rtx);
extern rtx pc_set (rtx);
extern rtx condjump_label (rtx);
extern int simplejump_p (rtx);
extern int returnjump_p (rtx);
extern int onlyjump_p (rtx);
extern int only_sets_cc0_p (rtx);
extern int sets_cc0_p (rtx);
extern int invert_jump_1 (rtx, rtx);
extern int invert_jump (rtx, rtx, int);
extern int rtx_renumbered_equal_p (rtx, rtx);
extern int true_regnum (rtx);
extern unsigned int reg_or_subregno (rtx);
extern int redirect_jump_1 (rtx, rtx);
extern void redirect_jump_2 (rtx, rtx, rtx, int, int);
extern int redirect_jump (rtx, rtx, int);
extern void rebuild_jump_labels (rtx);
extern rtx reversed_comparison (rtx, enum machine_mode);
extern enum rtx_code reversed_comparison_code (rtx, rtx);
extern enum rtx_code reversed_comparison_code_parts (enum rtx_code,
rtx, rtx, rtx);
extern void delete_for_peephole (rtx, rtx);
extern int condjump_in_parallel_p (rtx);
extern unsigned int purge_line_number_notes (void);
extern int max_reg_num (void);
extern int max_label_num (void);
extern int get_first_label_num (void);
extern void maybe_set_first_label_num (rtx);
extern void delete_insns_since (rtx);
extern void mark_reg_pointer (rtx, int);
extern void mark_user_reg (rtx);
extern void reset_used_flags (rtx);
extern void set_used_flags (rtx);
extern void reorder_insns (rtx, rtx, rtx);
extern void reorder_insns_nobb (rtx, rtx, rtx);
extern int get_max_uid (void);
extern int in_sequence_p (void);
extern void force_next_line_note (void);
extern void init_emit (void);
extern void init_emit_once (int);
extern void push_topmost_sequence (void);
extern void pop_topmost_sequence (void);
extern void set_new_first_and_last_insn (rtx, rtx);
extern unsigned int unshare_all_rtl (void);
extern void unshare_all_rtl_again (rtx);
extern void unshare_all_rtl_in_chain (rtx);
extern void verify_rtl_sharing (void);
extern void set_first_insn (rtx);
extern void set_last_insn (rtx);
extern void link_cc0_insns (rtx);
extern void add_insn (rtx);
extern void add_insn_before (rtx, rtx);
extern void add_insn_after (rtx, rtx);
extern void remove_insn (rtx);
extern void emit_insn_after_with_line_notes (rtx, rtx, rtx);
extern rtx emit (rtx);
extern void renumber_insns (void);
extern rtx delete_insn (rtx);
extern rtx entry_of_function (void);
extern void emit_insn_at_entry (rtx);
extern void delete_insn_chain (rtx, rtx);
extern rtx unlink_insn_chain (rtx, rtx);
extern rtx delete_insn_and_edges (rtx);
extern void delete_insn_chain_and_edges (rtx, rtx);
extern rtx gen_lowpart_SUBREG (enum machine_mode, rtx);
extern rtx gen_const_mem (enum machine_mode, rtx);
extern rtx gen_frame_mem (enum machine_mode, rtx);
extern rtx gen_tmp_stack_mem (enum machine_mode, rtx);
extern bool validate_subreg (enum machine_mode, enum machine_mode,
rtx, unsigned int);
extern unsigned int extended_count (rtx, enum machine_mode, int);
extern rtx remove_death (unsigned int, rtx);
extern void dump_combine_stats (FILE *);
extern void dump_combine_total_stats (FILE *);
extern void print_rtl_slim_with_bb (FILE *, rtx, int);
extern void dump_insn_slim (FILE *f, rtx x);
extern void debug_insn_slim (rtx x);
extern void schedule_insns (void);
extern void schedule_ebbs (void);
extern void fix_sched_param (const char *, const char *);
extern const char *print_rtx_head;
extern void debug_rtx (rtx);
extern void debug_rtx_list (rtx, int);
extern void debug_rtx_range (rtx, rtx);
extern rtx debug_rtx_find (rtx, int);
extern void print_mem_expr (FILE *, tree);
extern void print_rtl (FILE *, rtx);
extern void print_simple_rtl (FILE *, rtx);
extern int print_rtl_single (FILE *, rtx);
extern void print_inline_rtx (FILE *, rtx, int);
extern void branch_target_load_optimize (bool);
extern void reposition_prologue_and_epilogue_notes (rtx);
extern void thread_prologue_and_epilogue_insns (rtx);
extern int prologue_epilogue_contains (rtx);
extern int sibcall_epilogue_contains (rtx);
extern void mark_temp_addr_taken (rtx);
extern void update_temp_slot_address (rtx, rtx);
extern void expand_null_return (void);
extern void expand_naked_return (void);
extern void emit_jump (rtx);
extern rtx move_by_pieces (rtx, rtx, unsigned HOST_WIDE_INT,
unsigned int, int);
extern void delete_dead_jumptables (void);
extern void print_rtl_with_bb (FILE *, rtx);
extern void dump_flow_info (FILE *, int);
extern void init_expmed (void);
extern void expand_inc (rtx, rtx);
extern void expand_dec (rtx, rtx);
extern bool can_copy_p (enum machine_mode);
extern rtx fis_get_condition (rtx);
extern void mark_elimination (int, int);
extern void dump_global_regs (FILE *);
#ifdef HARD_CONST
extern void retry_global_alloc (int, HARD_REG_SET);
#endif
extern void build_insn_chain (rtx);
extern int reg_classes_intersect_p (enum reg_class, enum reg_class);
extern int reg_class_subset_p (enum reg_class, enum reg_class);
extern void globalize_reg (int);
extern void init_reg_modes_once (void);
extern void init_regs (void);
extern void init_fake_stack_mems (void);
extern void init_reg_sets (void);
extern void regclass_init (void);
extern void regclass (rtx, int);
extern void reg_scan (rtx, unsigned int);
extern void fix_register (const char *, int, int);
extern void init_subregs_of_mode (void);
extern void record_subregs_of_mode (rtx);
#ifdef HARD_CONST
extern void cannot_change_mode_set_regs (HARD_REG_SET *,
enum machine_mode, unsigned int);
#endif
extern bool invalid_mode_change_p (unsigned int, enum reg_class,
enum machine_mode);
extern void dbr_schedule (rtx);
extern void dump_local_alloc (FILE *);
extern int function_invariant_p (rtx);
enum libcall_type
{
LCT_NORMAL = 0,
LCT_CONST = 1,
LCT_PURE = 2,
LCT_CONST_MAKE_BLOCK = 3,
LCT_PURE_MAKE_BLOCK = 4,
LCT_NORETURN = 5,
LCT_THROW = 6,
LCT_RETURNS_TWICE = 7
};
extern void emit_library_call (rtx, enum libcall_type, enum machine_mode, int,
...);
extern rtx emit_library_call_value (rtx, rtx, enum libcall_type,
enum machine_mode, int, ...);
extern void init_varasm_once (void);
extern enum tls_model decl_default_tls_model (tree);
extern void traverse_md_constants (int (*) (void **, void *), void *);
struct md_constant { char *name, *value; };
extern int read_skip_spaces (FILE *);
extern bool read_rtx (FILE *, rtx *, int *);
extern void copy_rtx_ptr_loc (const void *, const void *);
extern void print_rtx_ptr_loc (const void *);
extern const char *join_c_conditions (const char *, const char *);
extern void print_c_condition (const char *);
extern const char *read_rtx_filename;
extern int read_rtx_lineno;
extern void clear_reg_alias_info (rtx);
extern rtx canon_rtx (rtx);
extern int true_dependence (rtx, enum machine_mode, rtx, int (*)(rtx, int));
extern int must_true_dependence (rtx, rtx);
extern rtx get_addr (rtx);
extern int canon_true_dependence (rtx, enum machine_mode, rtx, rtx,
int (*)(rtx, int));
extern int read_dependence (rtx, rtx);
extern int anti_dependence (rtx, rtx);
extern int output_dependence (rtx, rtx);
extern void init_alias_once (void);
extern void init_alias_analysis (void);
extern void end_alias_analysis (void);
extern bool memory_modified_in_insn_p (rtx, rtx);
extern rtx find_base_term (rtx);
extern rtx gen_hard_reg_clobber (enum machine_mode, unsigned int);
extern rtx get_reg_known_value (unsigned int);
extern bool get_reg_known_equiv_p (unsigned int);
extern rtx replace_regs (rtx, rtx *, unsigned int, int);
#ifdef STACK_REGS
extern int stack_regs_mentioned (rtx insn);
#endif
extern GTY(()) rtx stack_limit_rtx;
extern void invert_br_probabilities (rtx);
extern bool expensive_function_p (int);
extern void tracer (unsigned int);
extern unsigned int variable_tracking_main (void);
extern void get_mode_bounds (enum machine_mode, int, enum machine_mode,
rtx *, rtx *);
extern rtx reversed_condition (rtx);
extern rtx compare_and_jump_seq (rtx, rtx, enum rtx_code, rtx, int, rtx);
extern rtx canon_condition (rtx);
extern void simplify_using_condition (rtx, rtx *, struct bitmap_head_def *);
struct rtl_hooks
{
rtx (*gen_lowpart) (enum machine_mode, rtx);
rtx (*gen_lowpart_no_emit) (enum machine_mode, rtx);
rtx (*reg_nonzero_bits) (rtx, enum machine_mode, rtx, enum machine_mode,
unsigned HOST_WIDE_INT, unsigned HOST_WIDE_INT *);
rtx (*reg_num_sign_bit_copies) (rtx, enum machine_mode, rtx, enum machine_mode,
unsigned int, unsigned int *);
bool (*reg_truncated_to_mode) (enum machine_mode, rtx);
};
extern struct rtl_hooks rtl_hooks;
extern const struct rtl_hooks general_rtl_hooks;
#define gen_lowpart rtl_hooks.gen_lowpart
#endif