#include "config.h"
#include "system.h"
#include "rtl.h"
#include "regs.h"
#include "hard-reg-set.h"
#include "real.h"
#include "insn-config.h"
#include "conditions.h"
#include "output.h"
#include "insn-attr.h"
#include "tree.h"
#include "function.h"
#include "expr.h"
#include "libfuncs.h"
#include "c-tree.h"
#include "flags.h"
#include "recog.h"
#include "toplev.h"
#include "tm_p.h"
#include "target.h"
#include "target-def.h"
extern FILE *asm_out_file;
const char *m88k_pound_sign = "";
const char *m88k_short_data;
const char *m88k_version;
char m88k_volatile_code;
unsigned m88k_gp_threshold = 0;
int m88k_prologue_done = 0;
int m88k_function_number = 0;
int m88k_fp_offset = 0;
int m88k_stack_size = 0;
int m88k_case_index;
rtx m88k_compare_reg;
rtx m88k_compare_op0;
rtx m88k_compare_op1;
enum processor_type m88k_cpu;
static void m88k_output_function_prologue PARAMS ((FILE *, HOST_WIDE_INT));
static void m88k_output_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT));
static void m88k_output_function_end_prologue PARAMS ((FILE *));
static void m88k_output_function_begin_epilogue PARAMS ((FILE *));
#if defined (CTOR_LIST_BEGIN) && !defined (OBJECT_FORMAT_ELF)
static void m88k_svr3_asm_out_constructor PARAMS ((rtx, int));
static void m88k_svr3_asm_out_destructor PARAMS ((rtx, int));
#endif
static void m88k_select_section PARAMS ((tree, int, unsigned HOST_WIDE_INT));
static int m88k_adjust_cost PARAMS ((rtx, rtx, rtx, int));
static void m88k_encode_section_info PARAMS ((tree, int));
#undef TARGET_ASM_BYTE_OP
#define TARGET_ASM_BYTE_OP "\tbyte\t"
#undef TARGET_ASM_ALIGNED_HI_OP
#define TARGET_ASM_ALIGNED_HI_OP "\thalf\t"
#undef TARGET_ASM_ALIGNED_SI_OP
#define TARGET_ASM_ALIGNED_SI_OP "\tword\t"
#undef TARGET_ASM_UNALIGNED_HI_OP
#define TARGET_ASM_UNALIGNED_HI_OP "\tuahalf\t"
#undef TARGET_ASM_UNALIGNED_SI_OP
#define TARGET_ASM_UNALIGNED_SI_OP "\tuaword\t"
#undef TARGET_ASM_FUNCTION_PROLOGUE
#define TARGET_ASM_FUNCTION_PROLOGUE m88k_output_function_prologue
#undef TARGET_ASM_FUNCTION_END_PROLOGUE
#define TARGET_ASM_FUNCTION_END_PROLOGUE m88k_output_function_end_prologue
#undef TARGET_ASM_FUNCTION_BEGIN_EPILOGUE
#define TARGET_ASM_FUNCTION_BEGIN_EPILOGUE m88k_output_function_begin_epilogue
#undef TARGET_ASM_FUNCTION_EPILOGUE
#define TARGET_ASM_FUNCTION_EPILOGUE m88k_output_function_epilogue
#undef TARGET_SCHED_ADJUST_COST
#define TARGET_SCHED_ADJUST_COST m88k_adjust_cost
#undef TARGET_ENCODE_SECTION_INFO
#define TARGET_ENCODE_SECTION_INFO m88k_encode_section_info
struct gcc_target targetm = TARGET_INITIALIZER;
enum m88k_instruction
classify_integer (mode, value)
enum machine_mode mode;
register int value;
{
if (value == 0)
return m88k_zero;
else if (SMALL_INTVAL (value))
return m88k_or;
else if (SMALL_INTVAL (-value))
return m88k_subu;
else if (mode == HImode)
return m88k_or_lo16;
else if (mode == QImode)
return m88k_or_lo8;
else if ((value & 0xffff) == 0)
return m88k_oru_hi16;
else if (integer_ok_for_set (value))
return m88k_set;
else
return m88k_oru_or;
}
int
condition_value (condition)
rtx condition;
{
switch (GET_CODE (condition))
{
case EQ: return 2;
case NE: return 3;
case GT: return 4;
case LE: return 5;
case LT: return 6;
case GE: return 7;
case GTU: return 8;
case LEU: return 9;
case LTU: return 10;
case GEU: return 11;
default: abort ();
}
}
int
integer_ok_for_set (value)
register unsigned value;
{
register unsigned mask = (value | (value - 1));
return (value && POWER_OF_2_or_0 (mask + 1));
}
const char *
output_load_const_int (mode, operands)
enum machine_mode mode;
rtx *operands;
{
static const char *const patterns[] =
{ "or %0,%#r0,0",
"or %0,%#r0,%1",
"subu %0,%#r0,%n1",
"or %0,%#r0,%h1",
"or %0,%#r0,%q1",
"set %0,%#r0,%s1",
"or.u %0,%#r0,%X1",
"or.u %0,%#r0,%X1\n\tor %0,%0,%x1",
};
if (! REG_P (operands[0])
|| GET_CODE (operands[1]) != CONST_INT)
abort ();
return patterns[classify_integer (mode, INTVAL (operands[1]))];
}
const char *
output_load_const_float (operands)
rtx *operands;
{
operands[0] = operand_subword (operands[0], 0, 0, SFmode);
operands[1] = operand_subword (operands[1], 0, 0, SFmode);
return output_load_const_int (SImode, operands);
}
const char *
output_load_const_double (operands)
rtx *operands;
{
rtx latehalf[2];
latehalf[0] = operand_subword (operands[0], 1, 0, DFmode);
latehalf[1] = operand_subword (operands[1], 1, 0, DFmode);
operands[0] = operand_subword (operands[0], 0, 0, DFmode);
operands[1] = operand_subword (operands[1], 0, 0, DFmode);
output_asm_insn (output_load_const_int (SImode, operands), operands);
operands[0] = latehalf[0];
operands[1] = latehalf[1];
return output_load_const_int (SImode, operands);
}
const char *
output_load_const_dimode (operands)
rtx *operands;
{
rtx latehalf[2];
latehalf[0] = operand_subword (operands[0], 1, 0, DImode);
latehalf[1] = operand_subword (operands[1], 1, 0, DImode);
operands[0] = operand_subword (operands[0], 0, 0, DImode);
operands[1] = operand_subword (operands[1], 0, 0, DImode);
output_asm_insn (output_load_const_int (SImode, operands), operands);
operands[0] = latehalf[0];
operands[1] = latehalf[1];
return output_load_const_int (SImode, operands);
}
int
emit_move_sequence (operands, mode, scratch)
rtx *operands;
enum machine_mode mode;
rtx scratch;
{
register rtx operand0 = operands[0];
register rtx operand1 = operands[1];
if (CONSTANT_P (operand1) && flag_pic
&& pic_address_needs_scratch (operand1))
operands[1] = operand1 = legitimize_address (1, operand1, 0, 0);
if (register_operand (operand0, mode))
{
if (register_operand (operand1, mode)
|| (GET_CODE (operand1) == CONST_INT && SMALL_INT (operand1))
|| GET_CODE (operand1) == HIGH
|| GET_CODE (operand1) == MEM)
{
emit_insn (gen_rtx_SET (VOIDmode, operand0, operand1));
return 1;
}
}
else if (GET_CODE (operand0) == MEM)
{
if (register_operand (operand1, mode)
|| (operand1 == const0_rtx && GET_MODE_SIZE (mode) <= UNITS_PER_WORD))
{
emit_insn (gen_rtx_SET (VOIDmode, operand0, operand1));
return 1;
}
if (! reload_in_progress && ! reload_completed)
{
operands[0] = validize_mem (operand0);
operands[1] = operand1 = force_reg (mode, operand1);
}
}
if (GET_CODE (operand1) != HIGH && immediate_operand (operand1, mode))
{
if (GET_CODE (operand1) != CONST_INT
&& GET_CODE (operand1) != CONST_DOUBLE)
{
rtx temp = ((reload_in_progress || reload_completed)
? operand0 : 0);
operands[1] = legitimize_address (flag_pic
&& symbolic_address_p (operand1),
operand1, temp, scratch);
if (mode != SImode)
operands[1] = gen_rtx_SUBREG (mode, operands[1], 0);
}
}
return 0;
}
struct rtx_def *
legitimize_address (pic, orig, reg, scratch)
int pic;
rtx orig;
rtx reg;
rtx scratch;
{
rtx addr = (GET_CODE (orig) == MEM ? XEXP (orig, 0) : orig);
rtx new = orig;
rtx temp, insn;
if (pic)
{
if (GET_CODE (addr) == SYMBOL_REF || GET_CODE (addr) == LABEL_REF)
{
if (reg == 0)
{
if (reload_in_progress || reload_completed)
abort ();
else
reg = gen_reg_rtx (Pmode);
}
if (flag_pic == 2)
{
temp = ((reload_in_progress || reload_completed)
? reg : gen_reg_rtx (Pmode));
emit_insn (gen_rtx_SET
(VOIDmode, temp,
gen_rtx_HIGH (SImode,
gen_rtx_UNSPEC (SImode,
gen_rtvec (1, addr),
0))));
emit_insn (gen_rtx_SET
(VOIDmode, temp,
gen_rtx_LO_SUM (SImode, temp,
gen_rtx_UNSPEC (SImode,
gen_rtvec (1, addr),
0))));
addr = temp;
}
new = gen_rtx_MEM (Pmode,
gen_rtx_PLUS (SImode,
pic_offset_table_rtx, addr));
current_function_uses_pic_offset_table = 1;
RTX_UNCHANGING_P (new) = 1;
insn = emit_move_insn (reg, new);
REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_EQUAL, orig,
REG_NOTES (insn));
new = reg;
}
else if (GET_CODE (addr) == CONST)
{
rtx base;
if (GET_CODE (XEXP (addr, 0)) == PLUS
&& XEXP (XEXP (addr, 0), 0) == pic_offset_table_rtx)
return orig;
if (reg == 0)
{
if (reload_in_progress || reload_completed)
abort ();
else
reg = gen_reg_rtx (Pmode);
}
if (GET_CODE (XEXP (addr, 0)) != PLUS) abort ();
base = legitimize_address (1, XEXP (XEXP (addr, 0), 0), reg, 0);
addr = legitimize_address (1, XEXP (XEXP (addr, 0), 1),
base == reg ? 0 : reg, 0);
if (GET_CODE (addr) == CONST_INT)
{
if (ADD_INT (addr))
return plus_constant (base, INTVAL (addr));
else if (! reload_in_progress && ! reload_completed)
addr = force_reg (Pmode, addr);
else if (scratch)
{
emit_move_insn (scratch, addr);
addr = scratch;
}
else
abort ();
}
new = gen_rtx_PLUS (SImode, base, addr);
}
}
else if (! SHORT_ADDRESS_P (addr, temp))
{
if (reg == 0)
{
if (reload_in_progress || reload_completed)
abort ();
else
reg = gen_reg_rtx (Pmode);
}
emit_insn (gen_rtx_SET (VOIDmode,
reg, gen_rtx_HIGH (SImode, addr)));
new = gen_rtx_LO_SUM (SImode, reg, addr);
}
if (new != orig
&& GET_CODE (orig) == MEM)
{
new = gen_rtx_MEM (GET_MODE (orig), new);
MEM_COPY_ATTRIBUTES (new, orig);
}
return new;
}
#define MOVSTR_LOOP 64
#define MOVSTR_QI 16
#define MOVSTR_HI 48
#define MOVSTR_SI 96
#define MOVSTR_DI 96
#define MOVSTR_ODD_HI 16
#define MOVSTR_ODD_SI 48
#define MOVSTR_ODD_DI 48
#define MOVSTR_QI_LIMIT_88100 13
#define MOVSTR_HI_LIMIT_88100 38
#define MOVSTR_SI_LIMIT_88100 MOVSTR_SI
#define MOVSTR_DI_LIMIT_88100 MOVSTR_SI
#define MOVSTR_QI_LIMIT_88000 16
#define MOVSTR_HI_LIMIT_88000 38
#define MOVSTR_SI_LIMIT_88000 72
#define MOVSTR_DI_LIMIT_88000 72
#define MOVSTR_QI_LIMIT_88110 16
#define MOVSTR_HI_LIMIT_88110 38
#define MOVSTR_SI_LIMIT_88110 72
#define MOVSTR_DI_LIMIT_88110 72
static const enum machine_mode mode_from_align[] =
{VOIDmode, QImode, HImode, VOIDmode, SImode,
VOIDmode, VOIDmode, VOIDmode, DImode};
static const int max_from_align[] = {0, MOVSTR_QI, MOVSTR_HI, 0, MOVSTR_SI,
0, 0, 0, MOVSTR_DI};
static const int all_from_align[] = {0, MOVSTR_QI, MOVSTR_ODD_HI, 0,
MOVSTR_ODD_SI, 0, 0, 0, MOVSTR_ODD_DI};
static const int best_from_align[3][9] = {
{0, MOVSTR_QI_LIMIT_88100, MOVSTR_HI_LIMIT_88100, 0, MOVSTR_SI_LIMIT_88100,
0, 0, 0, MOVSTR_DI_LIMIT_88100},
{0, MOVSTR_QI_LIMIT_88110, MOVSTR_HI_LIMIT_88110, 0, MOVSTR_SI_LIMIT_88110,
0, 0, 0, MOVSTR_DI_LIMIT_88110},
{0, MOVSTR_QI_LIMIT_88000, MOVSTR_HI_LIMIT_88000, 0, MOVSTR_SI_LIMIT_88000,
0, 0, 0, MOVSTR_DI_LIMIT_88000}
};
static void block_move_loop PARAMS ((rtx, rtx, rtx, rtx, int, int));
static void block_move_no_loop PARAMS ((rtx, rtx, rtx, rtx, int, int));
static void block_move_sequence PARAMS ((rtx, rtx, rtx, rtx, int, int, int));
static void output_short_branch_defs PARAMS ((FILE *));
static int output_option PARAMS ((FILE *, const char *, const char *,
const char *, const char *, int, int));
void
expand_block_move (dest_mem, src_mem, operands)
rtx dest_mem;
rtx src_mem;
rtx *operands;
{
int align = INTVAL (operands[3]);
int constp = (GET_CODE (operands[2]) == CONST_INT);
int bytes = (constp ? INTVAL (operands[2]) : 0);
int target = (int) m88k_cpu;
if (! (PROCESSOR_M88100 == 0
&& PROCESSOR_M88110 == 1
&& PROCESSOR_M88000 == 2))
abort ();
if (constp && bytes <= 0)
return;
if (align > 4 && !TARGET_88110)
align = 4;
else if (align <= 0 || align == 3)
abort ();
if (constp && bytes <= 3 * align)
block_move_sequence (operands[0], dest_mem, operands[1], src_mem,
bytes, align, 0);
else if (constp && bytes <= best_from_align[target][align])
block_move_no_loop (operands[0], dest_mem, operands[1], src_mem,
bytes, align);
else if (constp && align == 4 && TARGET_88100)
block_move_loop (operands[0], dest_mem, operands[1], src_mem,
bytes, align);
else
{
#ifdef TARGET_MEM_FUNCTIONS
emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "memcpy"), 0,
VOIDmode, 3,
operands[0], Pmode,
operands[1], Pmode,
convert_to_mode (TYPE_MODE (sizetype), operands[2],
TREE_UNSIGNED (sizetype)),
TYPE_MODE (sizetype));
#else
emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "bcopy"), 0,
VOIDmode, 3,
operands[1], Pmode,
operands[0], Pmode,
convert_to_mode (TYPE_MODE (integer_type_node),
operands[2],
TREE_UNSIGNED (integer_type_node)),
TYPE_MODE (integer_type_node));
#endif
}
}
static void
block_move_loop (dest, dest_mem, src, src_mem, size, align)
rtx dest, dest_mem;
rtx src, src_mem;
int size;
int align;
{
enum machine_mode mode;
int count;
int units;
int remainder;
rtx offset_rtx;
rtx value_rtx;
char entry[30];
tree entry_name;
if (align != 4)
abort ();
count = size / MOVSTR_LOOP;
units = (size - count * MOVSTR_LOOP) / align;
if (units < 2)
{
count--;
units += MOVSTR_LOOP / align;
}
if (count <= 0)
{
block_move_no_loop (dest, dest_mem, src, src_mem, size, align);
return;
}
remainder = size - count * MOVSTR_LOOP - units * align;
mode = mode_from_align[align];
sprintf (entry, "__movstr%s%dn%d",
GET_MODE_NAME (mode), MOVSTR_LOOP, units * align);
entry_name = get_identifier (entry);
offset_rtx = GEN_INT (MOVSTR_LOOP + (1 - units) * align);
value_rtx = gen_rtx_MEM (MEM_IN_STRUCT_P (src_mem) ? mode : BLKmode,
gen_rtx_PLUS (Pmode,
gen_rtx_REG (Pmode, 3),
offset_rtx));
MEM_COPY_ATTRIBUTES (value_rtx, src_mem);
emit_insn (gen_call_movstrsi_loop
(gen_rtx_SYMBOL_REF (Pmode, IDENTIFIER_POINTER (entry_name)),
dest, src, offset_rtx, value_rtx,
gen_rtx_REG (mode, ((units & 1) ? 4 : 5)),
GEN_INT (count)));
if (remainder)
block_move_sequence (gen_rtx_REG (Pmode, 2), dest_mem,
gen_rtx_REG (Pmode, 3), src_mem,
remainder, align, MOVSTR_LOOP + align);
}
static void
block_move_no_loop (dest, dest_mem, src, src_mem, size, align)
rtx dest, dest_mem;
rtx src, src_mem;
int size;
int align;
{
enum machine_mode mode = mode_from_align[align];
int units = size / align;
int remainder = size - units * align;
int most;
int value_reg;
rtx offset_rtx;
rtx value_rtx;
char entry[30];
tree entry_name;
if (remainder && size <= all_from_align[align])
{
most = all_from_align[align] - (align - remainder);
remainder = 0;
}
else
{
most = max_from_align[align];
}
sprintf (entry, "__movstr%s%dx%d",
GET_MODE_NAME (mode), most, size - remainder);
entry_name = get_identifier (entry);
offset_rtx = GEN_INT (most - (size - remainder));
value_rtx = gen_rtx_MEM (MEM_IN_STRUCT_P (src_mem) ? mode : BLKmode,
gen_rtx_PLUS (Pmode,
gen_rtx_REG (Pmode, 3),
offset_rtx));
MEM_COPY_ATTRIBUTES (value_rtx, src_mem);
value_reg = ((((most - (size - remainder)) / align) & 1) == 0
? (align == 8 ? 6 : 5) : 4);
emit_insn (gen_call_block_move
(gen_rtx_SYMBOL_REF (Pmode, IDENTIFIER_POINTER (entry_name)),
dest, src, offset_rtx, value_rtx,
gen_rtx_REG (mode, value_reg)));
if (remainder)
block_move_sequence (gen_rtx_REG (Pmode, 2), dest_mem,
gen_rtx_REG (Pmode, 3), src_mem,
remainder, align, most);
}
static void
block_move_sequence (dest, dest_mem, src, src_mem, size, align, offset)
rtx dest, dest_mem;
rtx src, src_mem;
int size;
int align;
int offset;
{
rtx temp[2];
enum machine_mode mode[2];
int amount[2];
int active[2];
int phase = 0;
int next;
int offset_ld = offset;
int offset_st = offset;
active[0] = active[1] = FALSE;
amount[0] = amount[1] = align;
mode[0] = mode_from_align[align];
temp[0] = gen_reg_rtx (mode[0]);
if (size >= 2 * align)
{
mode[1] = mode[0];
temp[1] = gen_reg_rtx (mode[1]);
}
do
{
rtx srcp, dstp;
next = phase;
phase = !phase;
if (size > 0)
{
if (size < amount[next])
{
amount[next] = (size >= 4 ? 4 : (size >= 2 ? 2 : 1));
mode[next] = mode_from_align[amount[next]];
temp[next] = gen_reg_rtx (mode[next]);
}
size -= amount[next];
srcp = gen_rtx_MEM (MEM_IN_STRUCT_P (src_mem) ? mode[next] : BLKmode,
plus_constant (src, offset_ld));
MEM_COPY_ATTRIBUTES (srcp, src_mem);
emit_insn (gen_rtx_SET (VOIDmode, temp[next], srcp));
offset_ld += amount[next];
active[next] = TRUE;
}
if (active[phase])
{
active[phase] = FALSE;
dstp
= gen_rtx_MEM (MEM_IN_STRUCT_P (dest_mem) ? mode[phase] : BLKmode,
plus_constant (dest, offset_st));
MEM_COPY_ATTRIBUTES (dstp, dest_mem);
emit_insn (gen_rtx_SET (VOIDmode, dstp, temp[phase]));
offset_st += amount[phase];
}
}
while (active[next]);
}
const char *
output_and (operands)
rtx operands[];
{
unsigned int value;
if (REG_P (operands[2]))
return "and %0,%1,%2";
value = INTVAL (operands[2]);
if (SMALL_INTVAL (value))
return "mask %0,%1,%2";
else if ((value & 0xffff0000) == 0xffff0000)
return "and %0,%1,%x2";
else if ((value & 0xffff) == 0xffff)
return "and.u %0,%1,%X2";
else if ((value & 0xffff) == 0)
return "mask.u %0,%1,%X2";
else if (integer_ok_for_set (~value))
return "clr %0,%1,%S2";
else
return "and.u %0,%1,%X2\n\tand %0,%0,%x2";
}
const char *
output_ior (operands)
rtx operands[];
{
unsigned int value;
if (REG_P (operands[2]))
return "or %0,%1,%2";
value = INTVAL (operands[2]);
if (SMALL_INTVAL (value))
return "or %0,%1,%2";
else if ((value & 0xffff) == 0)
return "or.u %0,%1,%X2";
else if (integer_ok_for_set (value))
return "set %0,%1,%s2";
else
return "or.u %0,%1,%X2\n\tor %0,%0,%x2";
}
const char *
output_xor (operands)
rtx operands[];
{
unsigned int value;
if (REG_P (operands[2]))
return "xor %0,%1,%2";
value = INTVAL (operands[2]);
if (SMALL_INTVAL (value))
return "xor %0,%1,%2";
else if ((value & 0xffff) == 0)
return "xor.u %0,%1,%X2";
else
return "xor.u %0,%1,%X2\n\txor %0,%0,%x2";
}
static rtx sb_name = 0;
static rtx sb_high = 0;
static rtx sb_low = 0;
const char *
output_call (operands, addr)
rtx operands[];
rtx addr;
{
operands[0] = addr;
if (final_sequence)
{
rtx jump;
rtx seq_insn;
if (XVECLEN (final_sequence, 0) != 2)
abort ();
seq_insn = NEXT_INSN (PREV_INSN (XVECEXP (final_sequence, 0, 0)));
jump = XVECEXP (final_sequence, 0, 1);
if (GET_CODE (jump) == JUMP_INSN)
{
rtx low, high;
const char *last;
rtx dest = XEXP (SET_SRC (PATTERN (jump)), 0);
int delta = 4 * (INSN_ADDRESSES (INSN_UID (dest))
- INSN_ADDRESSES (INSN_UID (seq_insn))
- 2);
#if (MONITOR_GCC & 0x2)
if ((unsigned) (delta + 0x8000) >= 0x10000)
warning ("internal gcc monitor: short-branch(%x)", delta);
#endif
PUT_CODE (jump, NOTE);
NOTE_LINE_NUMBER (jump) = NOTE_INSN_DELETED;
NOTE_SOURCE_FILE (jump) = 0;
#ifdef AS_BUG_IMMEDIATE_LABEL
if (optimize < 2
|| ! ADD_INTVAL (delta * 2)
#else
if (optimize < 2
|| ! ADD_INTVAL (delta)
#endif
|| (REG_P (addr) && REGNO (addr) == 1))
{
operands[1] = dest;
return (REG_P (addr)
? "jsr %0\n\tbr %l1"
: (flag_pic
? "bsr %0#plt\n\tbr %l1"
: "bsr %0\n\tbr %l1"));
}
output_asm_insn ((REG_P (addr)
? "jsr.n %0"
: (flag_pic ? "bsr.n %0#plt" : "bsr.n %0")),
operands);
#ifdef USE_GAS
last = (delta < 0
? "subu %#r1,%#r1,.-%l0+4"
: "addu %#r1,%#r1,%l0-.-4");
operands[0] = dest;
#else
operands[0] = gen_label_rtx ();
operands[1] = gen_label_rtx ();
if (delta < 0)
{
low = dest;
high = operands[1];
last = "subu %#r1,%#r1,%l0\n%l1:";
}
else
{
low = operands[1];
high = dest;
last = "addu %#r1,%#r1,%l0\n%l1:";
}
sb_name = gen_rtx_EXPR_LIST (VOIDmode, operands[0], sb_name);
sb_high = gen_rtx_EXPR_LIST (VOIDmode, high, sb_high);
sb_low = gen_rtx_EXPR_LIST (VOIDmode, low, sb_low);
#endif
return last;
}
}
return (REG_P (addr)
? "jsr%. %0"
: (flag_pic ? "bsr%. %0#plt" : "bsr%. %0"));
}
static void
output_short_branch_defs (stream)
FILE *stream;
{
char name[256], high[256], low[256];
for (; sb_name && sb_high && sb_low;
sb_name = XEXP (sb_name, 1),
sb_high = XEXP (sb_high, 1),
sb_low = XEXP (sb_low, 1))
{
ASM_GENERATE_INTERNAL_LABEL
(name, "L", CODE_LABEL_NUMBER (XEXP (sb_name, 0)));
ASM_GENERATE_INTERNAL_LABEL
(high, "L", CODE_LABEL_NUMBER (XEXP (sb_high, 0)));
ASM_GENERATE_INTERNAL_LABEL
(low, "L", CODE_LABEL_NUMBER (XEXP (sb_low, 0)));
fprintf (stream, "%s%s,%s-%s\n",
SET_ASM_OP, &name[1], &high[1], &low[1]);
}
if (sb_name || sb_high || sb_low)
abort ();
}
int
mostly_false_jump (jump_insn, condition)
rtx jump_insn, condition;
{
rtx target_label = JUMP_LABEL (jump_insn);
rtx insnt, insnj;
if (optimize == 0)
return 0;
for (insnt = NEXT_INSN (target_label);
insnt;
insnt = NEXT_INSN (insnt))
{
if (GET_CODE (insnt) == JUMP_INSN)
break;
else if (GET_CODE (insnt) == INSN
&& GET_CODE (PATTERN (insnt)) == SEQUENCE
&& GET_CODE (XVECEXP (PATTERN (insnt), 0, 0)) == JUMP_INSN)
{
insnt = XVECEXP (PATTERN (insnt), 0, 0);
break;
}
}
if (insnt
&& (GET_CODE (PATTERN (insnt)) == RETURN
|| (GET_CODE (PATTERN (insnt)) == SET
&& GET_CODE (SET_SRC (PATTERN (insnt))) == REG
&& REGNO (SET_SRC (PATTERN (insnt))) == 1)))
insnt = 0;
for (insnj = NEXT_INSN (jump_insn);
insnj;
insnj = NEXT_INSN (insnj))
{
if (GET_CODE (insnj) == JUMP_INSN)
break;
else if (GET_CODE (insnj) == INSN
&& GET_CODE (PATTERN (insnj)) == SEQUENCE
&& GET_CODE (XVECEXP (PATTERN (insnj), 0, 0)) == JUMP_INSN)
{
insnj = XVECEXP (PATTERN (insnj), 0, 0);
break;
}
}
if (insnj
&& (GET_CODE (PATTERN (insnj)) == RETURN
|| (GET_CODE (PATTERN (insnj)) == SET
&& GET_CODE (SET_SRC (PATTERN (insnj))) == REG
&& REGNO (SET_SRC (PATTERN (insnj))) == 1)))
insnj = 0;
if ((insnt == 0) != (insnj == 0))
return (insnt == 0);
for (insnt = PREV_INSN (target_label);
insnt && GET_CODE (insnt) == NOTE;
insnt = PREV_INSN (insnt))
if (NOTE_LINE_NUMBER (insnt) == NOTE_INSN_LOOP_END)
return 1;
else if (NOTE_LINE_NUMBER (insnt) == NOTE_INSN_LOOP_BEG)
return 0;
else if (NOTE_LINE_NUMBER (insnt) == NOTE_INSN_LOOP_CONT)
return 0;
if (final_sequence)
insnj = NEXT_INSN (PREV_INSN (XVECEXP (final_sequence, 0, 0)));
else
insnj = jump_insn;
if (INSN_ADDRESSES (INSN_UID (insnj))
> INSN_ADDRESSES (INSN_UID (target_label)))
return 0;
switch (GET_CODE (condition))
{
case CONST_INT:
return 0;
case EQ:
return 1;
case NE:
return 0;
case LE:
case LT:
case GEU:
case GTU:
if (XEXP (condition, 1) == const0_rtx)
return 1;
break;
case GE:
case GT:
case LEU:
case LTU:
if (XEXP (condition, 1) == const0_rtx)
return 0;
break;
default:
break;
}
return 0;
}
int
real_power_of_2_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
REAL_VALUE_TYPE d;
union {
long l[2];
struct {
unsigned sign : 1;
unsigned exponent : 11;
unsigned mantissa1 : 20;
unsigned mantissa2;
} s;
struct {
unsigned sign : 1;
unsigned exponent1 : 4;
unsigned exponent2 : 7;
unsigned mantissa1 : 20;
unsigned mantissa2;
} s2;
} u;
if (GET_MODE (op) != DFmode && GET_MODE (op) != SFmode)
return 0;
if (GET_CODE (op) != CONST_DOUBLE)
return 0;
REAL_VALUE_FROM_CONST_DOUBLE (d, op);
REAL_VALUE_TO_TARGET_DOUBLE (d, u.l);
if (u.s.mantissa1 != 0 || u.s.mantissa2 != 0
|| u.s.exponent == 0
|| u.s.exponent == 0x7ff
|| (u.s2.exponent1 != 0x8 && u.s2.exponent1 != 0x7))
return 0;
return 1;
}
struct rtx_def *
legitimize_operand (op, mode)
rtx op;
enum machine_mode mode;
{
rtx temp;
REAL_VALUE_TYPE r;
union {
long l[2];
struct {
unsigned sign : 1;
unsigned exponent : 11;
unsigned mantissa1 : 20;
unsigned mantissa2;
} d;
struct {
unsigned sign : 1;
unsigned exponent1 : 4;
unsigned exponent2 : 7;
unsigned mantissa1 : 20;
unsigned mantissa2;
} s;
} u;
if (GET_CODE (op) == REG || mode != DFmode)
return op;
if (GET_CODE (op) == CONST_DOUBLE)
{
REAL_VALUE_FROM_CONST_DOUBLE (r, op);
REAL_VALUE_TO_TARGET_DOUBLE (r, u.l);
if (u.d.exponent != 0x7ff
&& u.d.mantissa2 == 0
&& (u.s.exponent1 == 0x8 || u.s.exponent1 == 0x7)
&& (temp = simplify_unary_operation (FLOAT_TRUNCATE, SFmode,
op, mode)) != 0)
return gen_rtx_FLOAT_EXTEND (mode, force_reg (SFmode, temp));
}
else if (register_operand (op, mode))
return op;
return force_reg (mode, op);
}
int
move_operand (op, mode)
rtx op;
enum machine_mode mode;
{
if (register_operand (op, mode))
return 1;
if (GET_CODE (op) == CONST_INT)
return (classify_integer (mode, INTVAL (op)) < m88k_oru_hi16);
if (GET_MODE (op) != mode)
return 0;
if (GET_CODE (op) == SUBREG)
op = SUBREG_REG (op);
if (GET_CODE (op) != MEM)
return 0;
op = XEXP (op, 0);
if (GET_CODE (op) == LO_SUM)
return (REG_P (XEXP (op, 0))
&& symbolic_address_p (XEXP (op, 1)));
return memory_address_p (mode, op);
}
int
call_address_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (REG_P (op) || symbolic_address_p (op));
}
int
symbolic_address_p (op)
register rtx op;
{
switch (GET_CODE (op))
{
case SYMBOL_REF:
case LABEL_REF:
return 1;
case CONST:
op = XEXP (op, 0);
return ((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
|| GET_CODE (XEXP (op, 0)) == LABEL_REF)
&& GET_CODE (XEXP (op, 1)) == CONST_INT);
default:
return 0;
}
}
int
reg_or_0_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return (op == const0_rtx || register_operand (op, mode));
}
int
arith_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return (register_operand (op, mode)
|| (GET_CODE (op) == CONST_INT && SMALL_INT (op)));
}
int
arith5_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return (register_operand (op, mode)
|| (GET_CODE (op) == CONST_INT && (unsigned) INTVAL (op) < 32));
}
int
arith32_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return (register_operand (op, mode) || GET_CODE (op) == CONST_INT);
}
int
arith64_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return (register_operand (op, mode)
|| GET_CODE (op) == CONST_INT
|| (GET_CODE (op) == CONST_DOUBLE && GET_MODE (op) == VOIDmode));
}
int
int5_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (GET_CODE (op) == CONST_INT && (unsigned) INTVAL (op) < 32);
}
int
int32_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (GET_CODE (op) == CONST_INT);
}
int
add_operand (op, mode)
rtx op;
enum machine_mode mode;
{
return (register_operand (op, mode)
|| (GET_CODE (op) == CONST_INT && ADD_INT (op)));
}
int
mak_mask_p (value)
int value;
{
return (value && POWER_OF_2_or_0 (value + 1));
}
int
reg_or_bbx_mask_operand (op, mode)
rtx op;
enum machine_mode mode;
{
int value;
if (register_operand (op, mode))
return 1;
if (GET_CODE (op) != CONST_INT)
return 0;
value = INTVAL (op);
if (POWER_OF_2 (value))
return 1;
return 0;
}
int
real_or_0_operand (op, mode)
rtx op;
enum machine_mode mode;
{
if (mode != SFmode && mode != DFmode)
return 0;
return (register_operand (op, mode)
|| (GET_CODE (op) == CONST_DOUBLE
&& op == CONST0_RTX (mode)));
}
int
partial_ccmode_register_operand (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return register_operand (op, CCmode) || register_operand (op, CCEVENmode);
}
int
relop (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
switch (GET_CODE (op))
{
case EQ:
case NE:
case LT:
case LE:
case GE:
case GT:
case LTU:
case LEU:
case GEU:
case GTU:
return 1;
default:
return 0;
}
}
int
even_relop (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
switch (GET_CODE (op))
{
case EQ:
case LT:
case GT:
case LTU:
case GTU:
return 1;
default:
return 0;
}
}
int
odd_relop (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
switch (GET_CODE (op))
{
case NE:
case LE:
case GE:
case LEU:
case GEU:
return 1;
default:
return 0;
}
}
int
relop_no_unsigned (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
switch (GET_CODE (op))
{
case EQ:
case NE:
case LT:
case LE:
case GE:
case GT:
if (GET_MODE_CLASS (GET_MODE (op)) == MODE_FLOAT
|| GET_MODE (op) == DImode
|| GET_MODE_CLASS (GET_MODE (XEXP (op, 0))) == MODE_FLOAT
|| GET_MODE (XEXP (op, 0)) == DImode
|| GET_MODE_CLASS (GET_MODE (XEXP (op, 1))) == MODE_FLOAT
|| GET_MODE (XEXP (op, 1)) == DImode)
return 0;
return 1;
default:
return 0;
}
}
int
equality_op (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (GET_CODE (op) == EQ || GET_CODE (op) == NE);
}
int
pc_or_label_ref (op, mode)
rtx op;
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return (GET_CODE (op) == PC || GET_CODE (op) == LABEL_REF);
}
struct m88k_lang_independent_options
{
const char *const string;
int *const variable;
const int on_value;
const char *const description;
};
static void output_options PARAMS ((FILE *,
const struct m88k_lang_independent_options *,
int,
const struct m88k_lang_independent_options *,
int, int, int, const char *, const char *,
const char *));
static int
output_option (file, sep, type, name, indent, pos, max)
FILE *file;
const char *sep;
const char *type;
const char *name;
const char *indent;
int pos;
int max;
{
if ((long)(strlen (sep) + strlen (type) + strlen (name) + pos) > max)
{
fprintf (file, indent);
return fprintf (file, "%s%s", type, name);
}
return pos + fprintf (file, "%s%s%s", sep, type, name);
}
static const struct { const char *const name; const int value; } m_options[] =
TARGET_SWITCHES;
static void
output_options (file, f_options, f_len, W_options, W_len,
pos, max, sep, indent, term)
FILE *file;
const struct m88k_lang_independent_options *f_options;
const struct m88k_lang_independent_options *W_options;
int f_len, W_len;
int pos;
int max;
const char *sep;
const char *indent;
const char *term;
{
register int j;
if (optimize)
pos = output_option (file, sep, "-O", "", indent, pos, max);
if (write_symbols != NO_DEBUG)
pos = output_option (file, sep, "-g", "", indent, pos, max);
if (profile_flag)
pos = output_option (file, sep, "-p", "", indent, pos, max);
for (j = 0; j < f_len; j++)
if (*f_options[j].variable == f_options[j].on_value)
pos = output_option (file, sep, "-f", f_options[j].string,
indent, pos, max);
for (j = 0; j < W_len; j++)
if (*W_options[j].variable == W_options[j].on_value)
pos = output_option (file, sep, "-W", W_options[j].string,
indent, pos, max);
for (j = 0; j < (long) ARRAY_SIZE (m_options); j++)
if (m_options[j].name[0] != '\0'
&& m_options[j].value > 0
&& ((m_options[j].value & target_flags)
== m_options[j].value))
pos = output_option (file, sep, "-m", m_options[j].name,
indent, pos, max);
if (m88k_short_data)
pos = output_option (file, sep, "-mshort-data-", m88k_short_data,
indent, pos, max);
fprintf (file, term);
}
void
output_file_start (file, f_options, f_len, W_options, W_len)
FILE *file;
const struct m88k_lang_independent_options *f_options;
const struct m88k_lang_independent_options *W_options;
int f_len, W_len;
{
register int pos;
ASM_FIRST_LINE (file);
if (TARGET_88110
&& TARGET_SVR4)
fprintf (file, "%s\n", REQUIRES_88110_ASM_OP);
output_file_directive (file, main_input_filename);
ASM_COFFSEM (file);
if (TARGET_IDENTIFY_REVISION)
{
char indent[256];
time_t now = time ((time_t *)0);
sprintf (indent, "]\"\n%s\"@(#)%s [", IDENT_ASM_OP, main_input_filename);
fprintf (file, indent+3);
pos = fprintf (file, "gcc %s, %.24s,", version_string, ctime (&now));
#if 1
output_options (file, f_options, f_len, W_options, W_len,
pos, 150 - strlen (indent), " ", indent, "]\"\n\n");
#else
fprintf (file, "]\"\n");
print_switch_values (file, 0, 150 - strlen (indent),
indent + 3, " ", "]\"\n");
#endif
}
}
void
output_ascii (file, opcode, max, p, size)
FILE *file;
const char *opcode;
int max;
const char *p;
int size;
{
int i;
int in_escape = 0;
register int num = 0;
fprintf (file, "%s\"", opcode);
for (i = 0; i < size; i++)
{
register int c = (unsigned char) p[i];
if (num > max)
{
fprintf (file, "\"\n%s\"", opcode);
num = 0;
}
if (c == '\"' || c == '\\')
{
escape:
putc ('\\', file);
putc (c, file);
num += 2;
in_escape = 0;
}
else if (in_escape && ISDIGIT (c))
{
fprintf (file, "\\%03o", c);
num += 4;
}
else if ((c >= ' ' && c < 0177) || (c == '\t'))
{
putc (c, file);
num++;
in_escape = 0;
}
else
{
switch (c)
{
case '\f': c = 'f'; goto escape;
case '\b': c = 'b'; goto escape;
case '\r': c = 'r'; goto escape;
case '\n': c = 'n'; goto escape;
}
fprintf (file, "\\%03o", c);
num += 4;
in_escape = 1;
}
}
fprintf (file, "\"\n");
}
void
output_label (label_number)
int label_number;
{
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, "L", label_number);
}
static void emit_add PARAMS ((rtx, rtx, int));
static void preserve_registers PARAMS ((int, int));
static void emit_ldst PARAMS ((int, int, enum machine_mode, int));
static void output_tdesc PARAMS ((FILE *, int));
static int uses_arg_area_p PARAMS ((void));
static int nregs;
static int nxregs;
static char save_regs[FIRST_PSEUDO_REGISTER];
static int frame_laid_out;
static int frame_size;
static int variable_args_p;
static int epilogue_marked;
static int prologue_marked;
#define FIRST_OCS_PRESERVE_REGISTER 14
#define LAST_OCS_PRESERVE_REGISTER 30
#define FIRST_OCS_EXTENDED_PRESERVE_REGISTER (32 + 22)
#define LAST_OCS_EXTENDED_PRESERVE_REGISTER (32 + 31)
#define STACK_UNIT_BOUNDARY (STACK_BOUNDARY / BITS_PER_UNIT)
#define ROUND_CALL_BLOCK_SIZE(BYTES) \
(((BYTES) + (STACK_UNIT_BOUNDARY - 1)) & ~(STACK_UNIT_BOUNDARY - 1))
void
m88k_layout_frame ()
{
int regno, sp_size;
frame_laid_out++;
memset ((char *) &save_regs[0], 0, sizeof (save_regs));
sp_size = nregs = nxregs = 0;
frame_size = get_frame_size ();
if (current_function_profile)
save_regs[1] = 1;
if (write_symbols != NO_DEBUG && !TARGET_OCS_FRAME_POSITION)
save_regs[1] = 1;
if (regs_ever_live[1] || frame_pointer_needed)
{
save_regs[1] = 1;
sp_size += REG_PARM_STACK_SPACE (0);
}
if (flag_pic && current_function_uses_pic_offset_table)
{
save_regs[PIC_OFFSET_TABLE_REGNUM] = 1;
nregs++;
}
if (frame_pointer_needed)
save_regs[FRAME_POINTER_REGNUM] = save_regs[1] = 1;
else if (regs_ever_live[FRAME_POINTER_REGNUM])
save_regs[FRAME_POINTER_REGNUM] = 1;
for (regno = FIRST_EXTENDED_REGISTER + 1; regno < FIRST_PSEUDO_REGISTER;
regno++)
if (regs_ever_live[regno] && ! call_used_regs[regno])
{
save_regs[regno] = 1;
nxregs++;
}
for (regno = 2; regno < FRAME_POINTER_REGNUM; regno++)
if (regs_ever_live[regno] && ! call_used_regs[regno])
{
save_regs[regno] = 1;
nregs++;
}
if (nregs >= 2 && save_regs[1] && !save_regs[FRAME_POINTER_REGNUM])
sp_size += 4;
nregs += save_regs[1] + save_regs[FRAME_POINTER_REGNUM];
if (nxregs > 0 && (nregs & 1) != 0)
sp_size +=4;
sp_size += 4 * nregs;
sp_size += 8 * nxregs;
sp_size += current_function_outgoing_args_size;
if (frame_pointer_needed || sp_size)
m88k_fp_offset = ROUND_CALL_BLOCK_SIZE (sp_size - STARTING_FRAME_OFFSET);
else
m88k_fp_offset = -STARTING_FRAME_OFFSET;
m88k_stack_size = m88k_fp_offset + STARTING_FRAME_OFFSET;
{
int need
= ((m88k_stack_size ? STACK_UNIT_BOUNDARY - STARTING_FRAME_OFFSET : 0)
- (frame_size % STACK_UNIT_BOUNDARY));
if (need < 0)
need += STACK_UNIT_BOUNDARY;
m88k_stack_size
= ROUND_CALL_BLOCK_SIZE (m88k_stack_size + frame_size + need
+ current_function_pretend_args_size);
}
}
int
null_prologue ()
{
if (! reload_completed)
return 0;
if (! frame_laid_out)
m88k_layout_frame ();
return (! frame_pointer_needed
&& nregs == 0
&& nxregs == 0
&& m88k_stack_size == 0);
}
static int
uses_arg_area_p ()
{
register tree parm;
if (current_function_decl == 0
|| variable_args_p)
return 1;
for (parm = DECL_ARGUMENTS (current_function_decl);
parm;
parm = TREE_CHAIN (parm))
{
if (DECL_RTL (parm) == 0
|| GET_CODE (DECL_RTL (parm)) == MEM)
return 1;
if (DECL_INCOMING_RTL (parm) == 0
|| GET_CODE (DECL_INCOMING_RTL (parm)) == MEM)
return 1;
}
return 0;
}
static void
m88k_output_function_prologue (stream, size)
FILE *stream ATTRIBUTE_UNUSED;
HOST_WIDE_INT size ATTRIBUTE_UNUSED;
{
if (TARGET_OMIT_LEAF_FRAME_POINTER && ! quiet_flag && leaf_function_p ())
fprintf (stderr, "$");
m88k_prologue_done = 1;
}
static void
m88k_output_function_end_prologue (stream)
FILE *stream;
{
if (TARGET_OCS_DEBUG_INFO && !prologue_marked)
{
PUT_OCS_FUNCTION_START (stream);
prologue_marked = 1;
if (epilogue_marked)
PUT_OCS_FUNCTION_END (stream);
}
}
void
m88k_expand_prologue ()
{
m88k_layout_frame ();
if (TARGET_OPTIMIZE_ARG_AREA
&& m88k_stack_size
&& ! uses_arg_area_p ())
{
if ((m88k_stack_size -= REG_PARM_STACK_SPACE (0)) < 0)
m88k_stack_size = 0;
}
if (m88k_stack_size)
emit_add (stack_pointer_rtx, stack_pointer_rtx, -m88k_stack_size);
if (nregs || nxregs)
preserve_registers (m88k_fp_offset + 4, 1);
if (frame_pointer_needed)
emit_add (frame_pointer_rtx, stack_pointer_rtx, m88k_fp_offset);
if (flag_pic && save_regs[PIC_OFFSET_TABLE_REGNUM])
{
rtx return_reg = gen_rtx_REG (SImode, 1);
rtx label = gen_label_rtx ();
rtx temp_reg = NULL_RTX;
if (! save_regs[1])
{
temp_reg = gen_rtx_REG (SImode, TEMP_REGNUM);
emit_move_insn (temp_reg, return_reg);
}
emit_insn (gen_locate1 (pic_offset_table_rtx, label));
emit_insn (gen_locate2 (pic_offset_table_rtx, label));
emit_insn (gen_addsi3 (pic_offset_table_rtx,
pic_offset_table_rtx, return_reg));
if (! save_regs[1])
emit_move_insn (return_reg, temp_reg);
}
if (current_function_profile)
emit_insn (gen_blockage ());
}
static void
m88k_output_function_begin_epilogue (stream)
FILE *stream;
{
if (TARGET_OCS_DEBUG_INFO && !epilogue_marked && prologue_marked)
{
PUT_OCS_FUNCTION_END (stream);
}
epilogue_marked = 1;
}
static void
m88k_output_function_epilogue (stream, size)
FILE *stream;
HOST_WIDE_INT size ATTRIBUTE_UNUSED;
{
rtx insn = get_last_insn ();
if (TARGET_OCS_DEBUG_INFO && !epilogue_marked)
PUT_OCS_FUNCTION_END (stream);
if (GET_CODE (insn) == NOTE)
insn = prev_nonnote_insn (insn);
if (insn == 0 || GET_CODE (insn) != BARRIER)
fprintf (stream, "\tjmp\t %s\n", reg_names[1]);
if (insn && GET_CODE (insn) == BARRIER)
{
insn = prev_nonnote_insn (insn);
if (insn && GET_CODE (insn) == CALL_INSN)
fprintf (stream, "\tor\t %s,%s,%s\n",reg_names[0],reg_names[0],reg_names[0]);
}
output_short_branch_defs (stream);
fprintf (stream, "\n");
if (TARGET_OCS_DEBUG_INFO)
output_tdesc (stream, m88k_fp_offset + 4);
m88k_function_number++;
m88k_prologue_done = 0;
variable_args_p = 0;
frame_laid_out = 0;
epilogue_marked = 0;
prologue_marked = 0;
}
void
m88k_expand_epilogue ()
{
#if (MONITOR_GCC & 0x4)
fprintf (stream, "; size = %d, m88k_fp_offset = %d, m88k_stack_size = %d\n",
size, m88k_fp_offset, m88k_stack_size);
#endif
if (frame_pointer_needed)
emit_add (stack_pointer_rtx, frame_pointer_rtx, -m88k_fp_offset);
if (nregs || nxregs)
preserve_registers (m88k_fp_offset + 4, 0);
if (m88k_stack_size)
emit_add (stack_pointer_rtx, stack_pointer_rtx, m88k_stack_size);
}
static void
emit_add (dstreg, srcreg, amount)
rtx dstreg;
rtx srcreg;
int amount;
{
rtx incr = GEN_INT (abs (amount));
if (! ADD_INTVAL (amount))
{
rtx temp = gen_rtx_REG (SImode, TEMP_REGNUM);
emit_move_insn (temp, incr);
incr = temp;
}
emit_insn ((amount < 0 ? gen_subsi3 : gen_addsi3) (dstreg, srcreg, incr));
}
static void
preserve_registers (base, store_p)
int base;
int store_p;
{
int regno, offset;
struct mem_op {
int regno;
int nregs;
int offset;
} mem_op[FIRST_PSEUDO_REGISTER];
struct mem_op *mo_ptr = mem_op;
offset = base;
if (save_regs[1])
{
if (nregs > 2 && !save_regs[FRAME_POINTER_REGNUM])
offset -= 4;
emit_ldst (store_p, 1, SImode, offset);
offset -= 4;
base = offset;
}
for (regno = FRAME_POINTER_REGNUM; regno > 1; regno--)
if (save_regs[regno])
{
if ((offset & 7) != 4 || (regno & 1) != 1 || !save_regs[regno-1])
{
mo_ptr->nregs = 1;
mo_ptr->regno = regno;
mo_ptr->offset = offset;
mo_ptr++;
offset -= 4;
}
else
{
regno--;
offset -= 2*4;
}
}
offset = base;
for (regno = FRAME_POINTER_REGNUM; regno > 1; regno--)
if (save_regs[regno])
{
if ((offset & 7) != 4 || (regno & 1) != 1 || !save_regs[regno-1])
{
offset -= 4;
}
else
{
mo_ptr->nregs = 2;
mo_ptr->regno = regno-1;
mo_ptr->offset = offset-4;
mo_ptr++;
regno--;
offset -= 2*4;
}
}
offset = (offset - 1) & ~7;
for (regno = FIRST_PSEUDO_REGISTER - 1; regno > FIRST_EXTENDED_REGISTER;
regno--)
if (save_regs[regno])
{
mo_ptr->nregs = 2;
mo_ptr->regno = regno;
mo_ptr->offset = offset;
mo_ptr++;
offset -= 2*4;
}
mo_ptr->regno = 0;
for (mo_ptr = mem_op; mo_ptr->regno; mo_ptr++)
{
if (mo_ptr->nregs)
emit_ldst (store_p, mo_ptr->regno,
(mo_ptr->nregs > 1 ? DImode : SImode),
mo_ptr->offset);
}
}
static void
emit_ldst (store_p, regno, mode, offset)
int store_p;
int regno;
enum machine_mode mode;
int offset;
{
rtx reg = gen_rtx_REG (mode, regno);
rtx mem;
if (SMALL_INTVAL (offset))
{
mem = gen_rtx_MEM (mode, plus_constant (stack_pointer_rtx, offset));
}
else
{
rtx disp = GEN_INT (offset);
rtx temp = gen_rtx_REG (SImode, TEMP_REGNUM);
rtx regi = gen_rtx_PLUS (SImode, stack_pointer_rtx, temp);
emit_move_insn (temp, disp);
mem = gen_rtx_MEM (mode, regi);
}
if (store_p)
emit_move_insn (mem, reg);
else
emit_move_insn (reg, mem);
}
int
m88k_debugger_offset (reg, offset)
register rtx reg;
register int offset;
{
if (GET_CODE (reg) == PLUS)
{
offset = INTVAL (XEXP (reg, 1));
reg = XEXP (reg, 0);
}
if (reg == frame_pointer_rtx)
offset += m88k_fp_offset - m88k_stack_size;
else if (reg == stack_pointer_rtx)
offset -= m88k_stack_size;
else if (reg != arg_pointer_rtx)
{
#if (MONITOR_GCC & 0x10)
if (! (GET_CODE (reg) == REG
&& REGNO (reg) >= FIRST_PSEUDO_REGISTER))
warning ("internal gcc error: Can't express symbolic location");
#endif
return 0;
}
return offset;
}
static void
output_tdesc (file, offset)
FILE *file;
int offset;
{
int regno, i, j;
long mask, return_address_info, register_save_offset;
long xmask, xregister_save_offset;
char buf[256];
for (mask = 0, i = 0, regno = FIRST_OCS_PRESERVE_REGISTER;
regno <= LAST_OCS_PRESERVE_REGISTER;
regno++)
{
mask <<= 1;
if (save_regs[regno])
{
mask |= 1;
i++;
}
}
for (xmask = 0, j = 0, regno = FIRST_OCS_EXTENDED_PRESERVE_REGISTER;
regno <= LAST_OCS_EXTENDED_PRESERVE_REGISTER;
regno++)
{
xmask <<= 1;
if (save_regs[regno])
{
xmask |= 1;
j++;
}
}
if (save_regs[1])
{
if ((nxregs > 0 || nregs > 2) && !save_regs[FRAME_POINTER_REGNUM])
offset -= 4;
return_address_info = - m88k_stack_size + offset;
register_save_offset = return_address_info - i*4;
}
else
{
return_address_info = 1;
register_save_offset = - m88k_stack_size + offset + 4 - i*4;
}
xregister_save_offset = - (j * 2 + ((register_save_offset >> 2) & 1));
tdesc_section ();
fprintf (file, "%s%d,%d", integer_asm_op (4, TRUE),
(((xmask != 0) ? 20 : 16) << 2) | 2,
flag_pic ? 2 : 1);
ASM_GENERATE_INTERNAL_LABEL (buf, OCS_START_PREFIX, m88k_function_number);
fprintf (file, ",%s%s", buf+1, flag_pic ? "#rel" : "");
ASM_GENERATE_INTERNAL_LABEL (buf, OCS_END_PREFIX, m88k_function_number);
fprintf (file, ",%s%s", buf+1, flag_pic ? "#rel" : "");
fprintf (file, ",0x%x,0x%x,0x%lx,0x%lx",
(int)(((xmask ? 3 : 1) << (17+1+1+5))
| (mask << (1+1+5))
| ((!!save_regs[1]) << 5)
| (frame_pointer_needed
? FRAME_POINTER_REGNUM
: STACK_POINTER_REGNUM)),
(m88k_stack_size - (frame_pointer_needed ? m88k_fp_offset : 0)),
return_address_info,
register_save_offset);
if (xmask)
fprintf (file, ",0x%lx%04lx", xmask, (0xffff & xregister_save_offset));
fputc ('\n', file);
text_section ();
}
void
output_function_profiler (file, labelno, name, savep)
FILE *file;
int labelno;
const char *name;
int savep;
{
char label[256];
char dbi[256];
const char *const temp = (savep ? reg_names[2] : reg_names[10]);
if (savep)
{
fprintf (file, "\tsubu\t %s,%s,64\n", reg_names[31], reg_names[31]);
fprintf (file, "\tst.d\t %s,%s,32\n", reg_names[2], reg_names[31]);
fprintf (file, "\tst.d\t %s,%s,40\n", reg_names[4], reg_names[31]);
fprintf (file, "\tst.d\t %s,%s,48\n", reg_names[6], reg_names[31]);
fprintf (file, "\tst.d\t %s,%s,56\n", reg_names[8], reg_names[31]);
}
ASM_GENERATE_INTERNAL_LABEL (label, "LP", labelno);
if (flag_pic == 2)
{
fprintf (file, "\tor.u\t %s,%s,%shi16(%s#got_rel)\n",
temp, reg_names[0], m88k_pound_sign, &label[1]);
fprintf (file, "\tor\t %s,%s,%slo16(%s#got_rel)\n",
temp, temp, m88k_pound_sign, &label[1]);
sprintf (dbi, "\tld\t %s,%s,%s\n", temp,
reg_names[PIC_OFFSET_TABLE_REGNUM], temp);
}
else if (flag_pic)
{
sprintf (dbi, "\tld\t %s,%s,%s#got_rel\n", temp,
reg_names[PIC_OFFSET_TABLE_REGNUM], &label[1]);
}
else
{
fprintf (file, "\tor.u\t %s,%s,%shi16(%s)\n",
temp, reg_names[0], m88k_pound_sign, &label[1]);
sprintf (dbi, "\tor\t %s,%s,%slo16(%s)\n",
temp, temp, m88k_pound_sign, &label[1]);
}
if (flag_pic)
fprintf (file, "\tbsr.n\t %s#plt\n", name);
else
fprintf (file, "\tbsr.n\t %s\n", name);
fputs (dbi, file);
if (savep)
{
fprintf (file, "\tld.d\t %s,%s,32\n", reg_names[2], reg_names[31]);
fprintf (file, "\tld.d\t %s,%s,40\n", reg_names[4], reg_names[31]);
fprintf (file, "\tld.d\t %s,%s,48\n", reg_names[6], reg_names[31]);
fprintf (file, "\tld.d\t %s,%s,56\n", reg_names[8], reg_names[31]);
fprintf (file, "\taddu\t %s,%s,64\n", reg_names[31], reg_names[31]);
}
}
struct rtx_def *
m88k_function_arg (args_so_far, mode, type, named)
CUMULATIVE_ARGS args_so_far;
enum machine_mode mode;
tree type;
int named ATTRIBUTE_UNUSED;
{
int bytes, words;
if (type != 0
&& (TREE_CODE (type) == RECORD_TYPE || TREE_CODE (type) == UNION_TYPE))
mode = BLKmode;
if (mode == BLKmode && TARGET_WARN_PASS_STRUCT)
warning ("argument #%d is a structure", args_so_far + 1);
if ((args_so_far & 1) != 0
&& (mode == DImode || mode == DFmode
|| (type != 0 && TYPE_ALIGN (type) > 32)))
args_so_far++;
#ifdef ESKIT
if (no_reg_params)
return (rtx) 0;
#endif
if (type == 0 && mode == BLKmode)
abort ();
bytes = (mode != BLKmode) ? GET_MODE_SIZE (mode) : int_size_in_bytes (type);
words = (bytes + 3) / 4;
if (args_so_far + words > 8)
return (rtx) 0;
else if (mode == BLKmode
&& (TYPE_ALIGN (type) != BITS_PER_WORD
|| bytes != UNITS_PER_WORD))
return (rtx) 0;
return gen_rtx_REG (((mode == BLKmode) ? TYPE_MODE (type) : mode),
2 + args_so_far);
}
struct rtx_def *
m88k_builtin_saveregs ()
{
rtx addr;
tree fntype = TREE_TYPE (current_function_decl);
int argadj = ((!(TYPE_ARG_TYPES (fntype) != 0
&& (TREE_VALUE (tree_last (TYPE_ARG_TYPES (fntype)))
!= void_type_node)))
? -UNITS_PER_WORD : 0) + UNITS_PER_WORD - 1;
int fixed;
variable_args_p = 1;
fixed = 0;
if (GET_CODE (current_function_arg_offset_rtx) == CONST_INT)
fixed = ((INTVAL (current_function_arg_offset_rtx) + argadj)
/ UNITS_PER_WORD);
addr = assign_stack_local (BLKmode, 8 * UNITS_PER_WORD, -1);
set_mem_alias_set (addr, get_varargs_alias_set ());
RTX_UNCHANGING_P (addr) = 1;
RTX_UNCHANGING_P (XEXP (addr, 0)) = 1;
if (fixed < 8)
move_block_from_reg (2 + fixed,
adjust_address (addr, Pmode, fixed * UNITS_PER_WORD),
8 - fixed,
UNITS_PER_WORD * (8 - fixed));
return XEXP (addr, 0);
}
tree
m88k_build_va_list ()
{
tree field_reg, field_stk, field_arg, int_ptr_type_node, record;
int_ptr_type_node = build_pointer_type (integer_type_node);
record = make_node (RECORD_TYPE);
field_arg = build_decl (FIELD_DECL, get_identifier ("__va_arg"),
integer_type_node);
field_stk = build_decl (FIELD_DECL, get_identifier ("__va_stk"),
int_ptr_type_node);
field_reg = build_decl (FIELD_DECL, get_identifier ("__va_reg"),
int_ptr_type_node);
DECL_FIELD_CONTEXT (field_arg) = record;
DECL_FIELD_CONTEXT (field_stk) = record;
DECL_FIELD_CONTEXT (field_reg) = record;
TYPE_FIELDS (record) = field_arg;
TREE_CHAIN (field_arg) = field_stk;
TREE_CHAIN (field_stk) = field_reg;
layout_type (record);
return record;
}
void
m88k_va_start (valist, nextarg)
tree valist;
rtx nextarg ATTRIBUTE_UNUSED;
{
tree field_reg, field_stk, field_arg;
tree reg, stk, arg, t;
field_arg = TYPE_FIELDS (va_list_type_node);
field_stk = TREE_CHAIN (field_arg);
field_reg = TREE_CHAIN (field_stk);
arg = build (COMPONENT_REF, TREE_TYPE (field_arg), valist, field_arg);
stk = build (COMPONENT_REF, TREE_TYPE (field_stk), valist, field_stk);
reg = build (COMPONENT_REF, TREE_TYPE (field_reg), valist, field_reg);
{
tree fntype = TREE_TYPE (current_function_decl);
int argadj = ((!(TYPE_ARG_TYPES (fntype) != 0
&& (TREE_VALUE (tree_last (TYPE_ARG_TYPES (fntype)))
!= void_type_node)))
? -UNITS_PER_WORD : 0) + UNITS_PER_WORD - 1;
tree argsize;
if (CONSTANT_P (current_function_arg_offset_rtx))
{
int fixed = (INTVAL (current_function_arg_offset_rtx)
+ argadj) / UNITS_PER_WORD;
argsize = build_int_2 (fixed, 0);
}
else
{
argsize = make_tree (integer_type_node,
current_function_arg_offset_rtx);
argsize = fold (build (PLUS_EXPR, integer_type_node, argsize,
build_int_2 (argadj, 0)));
argsize = fold (build (RSHIFT_EXPR, integer_type_node, argsize,
build_int_2 (2, 0)));
}
t = build (MODIFY_EXPR, TREE_TYPE (arg), arg, argsize);
TREE_SIDE_EFFECTS (t) = 1;
expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
}
t = make_tree (TREE_TYPE (stk), virtual_incoming_args_rtx);
t = build (MODIFY_EXPR, TREE_TYPE (stk), stk, t);
TREE_SIDE_EFFECTS (t) = 1;
expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
t = make_tree (TREE_TYPE (reg), expand_builtin_saveregs ());
t = build (MODIFY_EXPR, TREE_TYPE (reg), reg, t);
TREE_SIDE_EFFECTS (t) = 1;
expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
}
rtx
m88k_va_arg (valist, type)
tree valist, type;
{
tree field_reg, field_stk, field_arg;
tree reg, stk, arg, arg_align, base, t;
int size, wsize, align, reg_p;
rtx addr_rtx;
field_arg = TYPE_FIELDS (va_list_type_node);
field_stk = TREE_CHAIN (field_arg);
field_reg = TREE_CHAIN (field_stk);
arg = build (COMPONENT_REF, TREE_TYPE (field_arg), valist, field_arg);
stk = build (COMPONENT_REF, TREE_TYPE (field_stk), valist, field_stk);
reg = build (COMPONENT_REF, TREE_TYPE (field_reg), valist, field_reg);
size = int_size_in_bytes (type);
wsize = (size + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
align = 1 << ((TYPE_ALIGN (type) / BITS_PER_UNIT) >> 3);
reg_p = (AGGREGATE_TYPE_P (type)
? size == UNITS_PER_WORD && TYPE_ALIGN (type) == BITS_PER_WORD
: size <= 2*UNITS_PER_WORD);
t = build (PLUS_EXPR, TREE_TYPE (arg), arg, build_int_2 (align - 1, 0));
arg_align = build (BIT_AND_EXPR, TREE_TYPE (t), t, build_int_2 (-align, -1));
arg_align = save_expr (arg_align);
t = build (LT_EXPR, integer_type_node, arg_align, build_int_2 (8, 0));
base = build (COND_EXPR, TREE_TYPE (reg), t, reg, stk);
t = build (PLUS_EXPR, TREE_TYPE (base), base, arg_align);
addr_rtx = expand_expr (t, NULL_RTX, Pmode, EXPAND_NORMAL);
addr_rtx = copy_to_reg (addr_rtx);
t = build (PLUS_EXPR, TREE_TYPE (arg), arg_align, build_int_2 (wsize, 0));
t = build (MODIFY_EXPR, TREE_TYPE (arg), arg, t);
TREE_SIDE_EFFECTS (t) = 1;
expand_expr (t, const0_rtx, VOIDmode, EXPAND_NORMAL);
return addr_rtx;
}
rtx
emit_test (op, mode)
enum rtx_code op;
enum machine_mode mode;
{
if (m88k_compare_reg == 0)
emit_insn (gen_test (m88k_compare_op0, m88k_compare_op1));
return (gen_rtx (op, mode, m88k_compare_reg, const0_rtx));
}
void
emit_bcnd (op, label)
enum rtx_code op;
rtx label;
{
if (m88k_compare_op1 == const0_rtx)
emit_jump_insn (gen_bcnd
(gen_rtx (op, VOIDmode,m88k_compare_op0, const0_rtx),
label));
else if (m88k_compare_op0 == const0_rtx)
emit_jump_insn (gen_bcnd
(gen_rtx (swap_condition (op),
VOIDmode, m88k_compare_op1, const0_rtx),
label));
else if (op != EQ && op != NE)
emit_jump_insn (gen_bxx (emit_test (op, VOIDmode), label));
else
{
rtx zero = gen_reg_rtx (SImode);
rtx reg, constant;
int value;
if (GET_CODE (m88k_compare_op1) == CONST_INT)
{
reg = force_reg (SImode, m88k_compare_op0);
constant = m88k_compare_op1;
}
else
{
reg = force_reg (SImode, m88k_compare_op1);
constant = m88k_compare_op0;
}
value = INTVAL (constant);
if (SMALL_INTVAL (value))
emit_jump_insn (gen_bxx (emit_test (op, VOIDmode), label));
else
{
if (SMALL_INTVAL (-value))
emit_insn (gen_addsi3 (zero, reg,
GEN_INT (-value)));
else
emit_insn (gen_xorsi3 (zero, reg, constant));
emit_jump_insn (gen_bcnd (gen_rtx (op, VOIDmode,
zero, const0_rtx),
label));
}
}
}
void
print_operand (file, x, code)
FILE *file;
rtx x;
int code;
{
enum rtx_code xc = (x ? GET_CODE (x) : UNKNOWN);
register int value = (xc == CONST_INT ? INTVAL (x) : 0);
static int sequencep;
static int reversep;
if (sequencep)
{
if (code < 'B' || code > 'E')
output_operand_lossage ("%%R not followed by %%B/C/D/E");
if (reversep)
xc = reverse_condition (xc);
sequencep = 0;
}
switch (code)
{
case '*':
fputs (reg_names[PIC_OFFSET_TABLE_REGNUM], file); return;
case '#':
fputs (m88k_pound_sign, file); return;
case 'V':
case 'v':
if (MEM_VOLATILE_P (x) && TARGET_SERIALIZE_VOLATILE)
{
static rtx last_addr = 0;
if (code == 'V'
&& m88k_volatile_code != 'V'
&& !(m88k_volatile_code == 'v'
&& GET_CODE (XEXP (x, 0)) == LO_SUM
&& rtx_equal_p (XEXP (XEXP (x, 0), 1), last_addr)))
fprintf (file,
#if 0
#ifdef AS_BUG_FLDCR
"fldcr\t %s,%scr63\n\t",
#else
"fldcr\t %s,%sfcr63\n\t",
#endif
reg_names[0], m88k_pound_sign);
#else
"tb1\t 1,%s,0xff\n\t", reg_names[0]);
#endif
m88k_volatile_code = code;
last_addr = (GET_CODE (XEXP (x, 0)) == LO_SUM
? XEXP (XEXP (x, 0), 1) : 0);
}
return;
case 'X':
value >>= 16;
case 'x':
if (xc != CONST_INT)
output_operand_lossage ("invalid %%x/X value");
fprintf (file, "0x%x", value & 0xffff); return;
case 'H':
if (xc != CONST_INT)
output_operand_lossage ("invalid %%H value");
value = -value;
case 'h':
if (xc == REG)
goto reg;
if (xc != CONST_INT)
output_operand_lossage ("invalid %%h value");
fprintf (file, "%d", value & 0xffff);
return;
case 'Q':
if (xc != CONST_INT)
output_operand_lossage ("invalid %%Q value");
value = -value;
case 'q':
if (xc == REG)
goto reg;
if (xc != CONST_INT)
output_operand_lossage ("invalid %%q value");
fprintf (file, "%d", value & 0xff);
return;
case 'w':
if (xc != CONST_INT)
output_operand_lossage ("invalid %%o value");
fprintf (file, "%d", value == 32 ? 0 : 32 - value);
return;
case 'p':
if (xc != CONST_INT
|| (value = exact_log2 (value)) < 0)
output_operand_lossage ("invalid %%p value");
fprintf (file, "%d", value);
return;
case 'S':
value = ~value;
case 's':
{
register unsigned mask, uval = value;
register int top, bottom;
if (xc != CONST_INT)
output_operand_lossage ("invalid %%s/S value");
mask = (uval | (uval - 1)) + 1;
if (!(uval && POWER_OF_2_or_0 (mask)))
output_operand_lossage ("invalid %%s/S value");
top = mask ? exact_log2 (mask) : 32;
bottom = exact_log2 (uval & ~(uval - 1));
fprintf (file,"%d<%d>", top - bottom, bottom);
return;
}
case 'P':
if (xc == LABEL_REF)
output_addr_const (file, x);
else if (xc != PC)
output_operand_lossage ("invalid %%P operand");
return;
case 'L':
fputc (xc == LABEL_REF ? '1' : '0', file);
case '.':
fputs ((final_sequence
&& ! INSN_ANNULLED_BRANCH_P (XVECEXP (final_sequence, 0, 0)))
? ".n\t" : "\t", file);
return;
case '!':
sequencep++;
reversep = 1;
return;
case 'R':
sequencep++;
reversep = (xc == LABEL_REF);
return;
case 'B':
fputs (m88k_pound_sign, file);
switch (xc)
{
case EQ: fputs ("eq0", file); return;
case NE: fputs ("ne0", file); return;
case GT: fputs ("gt0", file); return;
case LE: fputs ("le0", file); return;
case LT: fputs ("lt0", file); return;
case GE: fputs ("ge0", file); return;
default: output_operand_lossage ("invalid %%B value");
}
case 'C':
fputs (m88k_pound_sign, file);
switch (xc)
{
case EQ: fputs ("eq", file); return;
case NE: fputs ("ne", file); return;
case GT: fputs ("gt", file); return;
case LE: fputs ("le", file); return;
case LT: fputs ("lt", file); return;
case GE: fputs ("ge", file); return;
case GTU: fputs ("hi", file); return;
case LEU: fputs ("ls", file); return;
case LTU: fputs ("lo", file); return;
case GEU: fputs ("hs", file); return;
default: output_operand_lossage ("invalid %%C value");
}
case 'D':
switch (xc)
{
case EQ: fputs ("0xa", file); return;
case NE: fputs ("0x5", file); return;
case GT: fputs (m88k_pound_sign, file);
fputs ("gt0", file); return;
case LE: fputs ("0xe", file); return;
case LT: fputs ("0x4", file); return;
case GE: fputs ("0xb", file); return;
default: output_operand_lossage ("invalid %%D value");
}
case 'E':
switch (xc)
{
case EQ: fputs ("0x8", file); return;
case NE: fputs ("0x7", file); return;
default: output_operand_lossage ("invalid %%E value");
}
case 'd':
if (xc != REG)
output_operand_lossage ("`%%d' operand isn't a register");
fputs (reg_names[REGNO (x) + 1], file);
return;
case 'r':
if (x == const0_rtx)
{
fputs (reg_names[0], file);
return;
}
else if (xc != REG)
output_operand_lossage ("invalid %%r value");
case 0:
name:
if (xc == REG)
{
reg:
if (REGNO (x) == ARG_POINTER_REGNUM)
output_operand_lossage ("operand is r0");
else
fputs (reg_names[REGNO (x)], file);
}
else if (xc == PLUS)
output_address (x);
else if (xc == MEM)
output_address (XEXP (x, 0));
else if (flag_pic && xc == UNSPEC)
{
output_addr_const (file, XVECEXP (x, 0, 0));
fputs ("#got_rel", file);
}
else if (xc == CONST_DOUBLE)
output_operand_lossage ("operand is const_double");
else
output_addr_const (file, x);
return;
case 'g':
if (flag_pic && (xc == SYMBOL_REF || xc == LABEL_REF))
{
output_addr_const (file, x);
fputs ("#got_rel", file);
return;
}
goto name;
case 'a':
case 'c':
case 'l':
case 'n':
default:
output_operand_lossage ("invalid code");
}
}
void
print_operand_address (file, addr)
FILE *file;
rtx addr;
{
register rtx reg0, reg1, temp;
switch (GET_CODE (addr))
{
case REG:
if (REGNO (addr) == ARG_POINTER_REGNUM)
abort ();
else
fprintf (file, "%s,%s", reg_names[0], reg_names [REGNO (addr)]);
break;
case LO_SUM:
fprintf (file, "%s,%slo16(",
reg_names[REGNO (XEXP (addr, 0))], m88k_pound_sign);
output_addr_const (file, XEXP (addr, 1));
fputc (')', file);
break;
case PLUS:
reg0 = XEXP (addr, 0);
reg1 = XEXP (addr, 1);
if (GET_CODE (reg0) == MULT || GET_CODE (reg0) == CONST_INT)
{
rtx tmp = reg0;
reg0 = reg1;
reg1 = tmp;
}
if ((REG_P (reg0) && REGNO (reg0) == ARG_POINTER_REGNUM)
|| (REG_P (reg1) && REGNO (reg1) == ARG_POINTER_REGNUM))
abort ();
else if (REG_P (reg0))
{
if (REG_P (reg1))
fprintf (file, "%s,%s",
reg_names [REGNO (reg0)], reg_names [REGNO (reg1)]);
else if (GET_CODE (reg1) == CONST_INT)
fprintf (file, "%s,%d",
reg_names [REGNO (reg0)], INTVAL (reg1));
else if (GET_CODE (reg1) == MULT)
{
rtx mreg = XEXP (reg1, 0);
if (REGNO (mreg) == ARG_POINTER_REGNUM)
abort ();
fprintf (file, "%s[%s]", reg_names[REGNO (reg0)],
reg_names[REGNO (mreg)]);
}
else if (GET_CODE (reg1) == ZERO_EXTRACT)
{
fprintf (file, "%s,%slo16(",
reg_names[REGNO (reg0)], m88k_pound_sign);
output_addr_const (file, XEXP (reg1, 0));
fputc (')', file);
}
else if (flag_pic)
{
fprintf (file, "%s,", reg_names[REGNO (reg0)]);
output_addr_const (file, reg1);
fputs ("#got_rel", file);
}
else abort ();
}
else
abort ();
break;
case MULT:
if (REGNO (XEXP (addr, 0)) == ARG_POINTER_REGNUM)
abort ();
fprintf (file, "%s[%s]",
reg_names[0], reg_names[REGNO (XEXP (addr, 0))]);
break;
case CONST_INT:
fprintf (file, "%s,%d", reg_names[0], INTVAL (addr));
break;
default:
fprintf (file, "%s,", reg_names[0]);
if (SHORT_ADDRESS_P (addr, temp))
{
fprintf (file, "%siw16(", m88k_pound_sign);
output_addr_const (file, addr);
fputc (')', file);
}
else
output_addr_const (file, addr);
}
}
int
pic_address_needs_scratch (x)
rtx x;
{
if (GET_CODE (x) == CONST && GET_CODE (XEXP (x, 0)) == PLUS
&& GET_CODE (XEXP (XEXP (x, 0), 0)) == SYMBOL_REF
&& GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT
&& ! ADD_INT (XEXP (XEXP (x, 0), 1)))
return 1;
return 0;
}
int
symbolic_operand (op, mode)
register rtx op;
enum machine_mode mode;
{
switch (GET_CODE (op))
{
case SYMBOL_REF:
case LABEL_REF:
return 1;
case CONST:
op = XEXP (op, 0);
return ((GET_CODE (XEXP (op, 0)) == SYMBOL_REF
|| GET_CODE (XEXP (op, 0)) == LABEL_REF)
&& GET_CODE (XEXP (op, 1)) == CONST_INT);
case CONST_DOUBLE:
return GET_MODE (op) == mode;
default:
return 0;
}
}
#if defined (CTOR_LIST_BEGIN) && !defined (OBJECT_FORMAT_ELF)
static void
m88k_svr3_asm_out_constructor (symbol, priority)
rtx symbol;
int priority ATTRIBUTE_UNUSED;
{
const char *name = XSTR (symbol, 0);
init_section ();
fprintf (asm_out_file, "\tor.u\t r13,r0,hi16(");
assemble_name (asm_out_file, name);
fprintf (asm_out_file, ")\n\tor\t r13,r13,lo16(");
assemble_name (asm_out_file, name);
fprintf (asm_out_file, ")\n\tsubu\t r31,r31,%d\n\tst\t r13,r31,%d\n",
STACK_BOUNDARY / BITS_PER_UNIT, REG_PARM_STACK_SPACE (0));
}
static void
m88k_svr3_asm_out_destructor (symbol, priority)
rtx symbol;
int priority ATTRIBUTE_UNUSED;
{
int i;
fini_section ();
assemble_integer (symbol, UNITS_PER_WORD, BITS_PER_WORD, 1);
for (i = 1; i < 4; i++)
assemble_integer (constm1_rtx, UNITS_PER_WORD, BITS_PER_WORD, 1);
}
#endif
static void
m88k_select_section (decl, reloc, align)
tree decl;
int reloc;
unsigned HOST_WIDE_INT align ATTRIBUTE_UNUSED;
{
if (TREE_CODE (decl) == STRING_CST)
{
if (! flag_writable_strings)
readonly_data_section ();
else if (TREE_STRING_LENGTH (decl) <= m88k_gp_threshold)
sdata_section ();
else
data_section ();
}
else if (TREE_CODE (decl) == VAR_DECL)
{
if (SYMBOL_REF_FLAG (XEXP (DECL_RTL (decl), 0)))
sdata_section ();
else if ((flag_pic && reloc)
|| !TREE_READONLY (decl) || TREE_SIDE_EFFECTS (decl)
|| !DECL_INITIAL (decl)
|| (DECL_INITIAL (decl) != error_mark_node
&& !TREE_CONSTANT (DECL_INITIAL (decl))))
data_section ();
else
readonly_data_section ();
}
else
readonly_data_section ();
}
static int
m88k_adjust_cost (insn, link, dep, cost)
rtx insn;
rtx link;
rtx dep;
int cost;
{
if (REG_NOTE_KIND (link) != 0)
return 0;
if (! TARGET_88100
&& recog_memoized (insn) >= 0
&& get_attr_type (insn) == TYPE_STORE
&& SET_SRC (PATTERN (insn)) == SET_DEST (PATTERN (dep)))
return cost - 4;
return cost;
}
static void
m88k_encode_section_info (decl, first)
tree decl;
int first ATTRIBUTE_UNUSED;
{
if (m88k_gp_threshold > 0)
{
if (TREE_CODE (decl) == VAR_DECL)
{
if (!TREE_READONLY (decl) || TREE_SIDE_EFFECTS (decl))
{
int size = int_size_in_bytes (TREE_TYPE (decl));
if (size > 0 && size <= m88k_gp_threshold)
SYMBOL_REF_FLAG (XEXP (DECL_RTL (decl), 0)) = 1;
}
}
else if (TREE_CODE (decl) == STRING_CST
&& flag_writable_strings
&& TREE_STRING_LENGTH (decl) <= m88k_gp_threshold)
SYMBOL_REF_FLAG (XEXP (TREE_CST_RTL (decl), 0)) = 1;
}
}