/* Subroutines for insn-output.c for Motorola 88000.
- Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
- Free Software Foundation, Inc.
+ Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@mcc.com)
Currently maintained by (gcc@dg-rtp.dg.com)
#include "real.h"
#include "insn-config.h"
#include "conditions.h"
-#include "insn-flags.h"
#include "output.h"
#include "insn-attr.h"
#include "tree.h"
#include "function.h"
-#include "c-tree.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 int flag_traditional;
extern FILE *asm_out_file;
rtx m88k_compare_op1; /* cmpsi operand 1 */
enum processor_type m88k_cpu; /* target 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 int m88k_adjust_cost PARAMS ((rtx, rtx, rtx, int));
+\f
+/* Initialize the GCC target structure. */
+#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
+
+struct gcc_target targetm = TARGET_INITIALIZER;
\f
/* Determine what instructions are needed to manufacture the integer VALUE
in the given MODE. */
if (GET_CODE (addr) == CONST_INT)
{
if (ADD_INT (addr))
- return plus_constant_for_output (base, INTVAL (addr));
+ return plus_constant (base, INTVAL (addr));
else if (! reload_in_progress && ! reload_completed)
addr = force_reg (Pmode, addr);
/* We can't create any new registers during reload, so use the
#define MOVSTR_SI_LIMIT_88110 72
#define MOVSTR_DI_LIMIT_88110 72
-static enum machine_mode mode_from_align[] =
+static const enum machine_mode mode_from_align[] =
{VOIDmode, QImode, HImode, VOIDmode, SImode,
VOIDmode, VOIDmode, VOIDmode, DImode};
-static int max_from_align[] = {0, MOVSTR_QI, MOVSTR_HI, 0, MOVSTR_SI,
- 0, 0, 0, MOVSTR_DI};
-static int all_from_align[] = {0, MOVSTR_QI, MOVSTR_ODD_HI, 0, MOVSTR_ODD_SI,
- 0, 0, 0, MOVSTR_ODD_DI};
+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 int best_from_align[3][9] = {
+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,
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)]
+ int delta = 4 * (INSN_ADDRESSES (INSN_UID (dest))
+ - INSN_ADDRESSES (INSN_UID (seq_insn))
- 2);
#if (MONITOR_GCC & 0x2) /* How often do long branches happen? */
if ((unsigned) (delta + 0x8000) >= 0x10000)
- warning ("Internal gcc monitor: short-branch(%x)", delta);
+ warning ("internal gcc monitor: short-branch(%x)", delta);
#endif
/* Delete the jump. */
ASM_GENERATE_INTERNAL_LABEL
(low, "L", CODE_LABEL_NUMBER (XEXP (sb_low, 0)));
/* This will change as the assembler requirements become known. */
- fprintf (stream, "\t%s\t %s,%s-%s\n",
+ fprintf (stream, "%s%s,%s-%s\n",
SET_ASM_OP, &name[1], &high[1], &low[1]);
}
if (sb_name || sb_high || sb_low)
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)])
+ if (INSN_ADDRESSES (INSN_UID (insnj))
+ > INSN_ADDRESSES (INSN_UID (target_label)))
return 0;
/* EQ tests are usually false and NE tests are usually true. Also,
if (GET_CODE (op) == CONST_DOUBLE)
{
- bcopy (&CONST_DOUBLE_LOW (op), &u.r, sizeof u);
+ memcpy (&u.r, &CONST_DOUBLE_LOW (op), sizeof u);
if (u.d.exponent != 0x7ff /* NaN */
&& u.d.mantissa2 == 0 /* Mantissa fits */
&& (u.s.exponent1 == 0x8 || u.s.exponent1 == 0x7) /* Exponent fits */
/* This definition must match lang_independent_options from toplev.c. */
struct m88k_lang_independent_options
{
- const char *string;
- int *variable;
- int on_value;
- const char *description;
+ const char *const string;
+ int *const variable;
+ const int on_value;
+ const char *const description;
};
static void output_options PARAMS ((FILE *,
- struct m88k_lang_independent_options *,
+ const struct m88k_lang_independent_options *,
int,
- struct m88k_lang_independent_options *,
+ const struct m88k_lang_independent_options *,
int, int, int, const char *, const char *,
const char *));
return pos + fprintf (file, "%s%s%s", sep, type, name);
}
-static struct { const char *name; int value; } m_options[] = TARGET_SWITCHES;
+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;
- struct m88k_lang_independent_options *f_options;
- struct m88k_lang_independent_options *W_options;
+ 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;
pos = output_option (file, sep, "-traditional", "", indent, pos, max);
if (profile_flag)
pos = output_option (file, sep, "-p", "", indent, pos, max);
- if (profile_block_flag)
- pos = output_option (file, sep, "-a", "", 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,
pos = output_option (file, sep, "-W", W_options[j].string,
indent, pos, max);
- for (j = 0; j < (long) (sizeof m_options / sizeof m_options[0]); j++)
+ 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)
void
output_file_start (file, f_options, f_len, W_options, W_len)
FILE *file;
- struct m88k_lang_independent_options *f_options;
- struct m88k_lang_independent_options *W_options;
+ 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, "\t%s\n", REQUIRES_88110_ASM_OP);
+ fprintf (file, "%s\n", REQUIRES_88110_ASM_OP);
output_file_directive (file, main_input_filename);
- /* Switch to the data section so that the coffsem symbol and the
- gcc2_compiled. symbol aren't in the text section. */
- data_section ();
+ /* Switch to the data section so that the coffsem symbol
+ isn't in the text section. */
ASM_COFFSEM (file);
if (TARGET_IDENTIFY_REVISION)
char indent[256];
time_t now = time ((time_t *)0);
- sprintf (indent, "]\"\n\t%s\t \"@(#)%s [", IDENT_ASM_OP, main_input_filename);
+ 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
FILE *file;
const char *opcode;
int max;
- const unsigned char *p;
+ const char *p;
int size;
{
int i;
register int num = 0;
- fprintf (file, "\t%s\t \"", opcode);
+ fprintf (file, "%s\"", opcode);
for (i = 0; i < size; i++)
{
- register int c = p[i];
+ register int c = (unsigned char) p[i];
if (num > max)
{
- fprintf (file, "\"\n\t%s\t \"", opcode);
+ fprintf (file, "\"\n%s\"", opcode);
num = 0;
}
num += 2;
in_escape = 0;
}
- else if (in_escape && c >= '0' && c <= '9')
+ else if (in_escape && ISDIGIT (c))
{
- /* If a digit follows an octal-escape, the Vax assembler fails
+ /* If a digit follows an octal-escape, the VAX assembler fails
to stop reading the escape after three digits. Continue to
output the values as an octal-escape until a non-digit is
found. */
(((BYTES) + (STACK_UNIT_BOUNDARY - 1)) & ~(STACK_UNIT_BOUNDARY - 1))
\f
/* Establish the position of the FP relative to the SP. This is done
- either during FUNCTION_PROLOGUE or by INITIAL_ELIMINATION_OFFSET. */
+ either during output_function_prologue() or by
+ INITIAL_ELIMINATION_OFFSET. */
void
m88k_layout_frame ()
frame_laid_out++;
- bzero ((char *) &save_regs[0], sizeof (save_regs));
+ memset ((char *) &save_regs[0], 0, sizeof (save_regs));
sp_size = nregs = nxregs = 0;
frame_size = get_frame_size ();
/* Since profiling requires a call, make sure r1 is saved. */
- if (profile_flag || profile_block_flag)
+ if (current_function_profile)
save_regs[1] = 1;
/* If we are producing debug information, store r1 and r30 where the
int need
= ((m88k_stack_size ? STACK_UNIT_BOUNDARY - STARTING_FRAME_OFFSET : 0)
- (frame_size % STACK_UNIT_BOUNDARY));
- if (need)
- {
- if (need < 0)
- need += STACK_UNIT_BOUNDARY;
- (void) assign_stack_local (BLKmode, need, BITS_PER_UNIT);
- frame_size = get_frame_size ();
- }
+ if (need < 0)
+ need += STACK_UNIT_BOUNDARY;
m88k_stack_size
- = ROUND_CALL_BLOCK_SIZE (m88k_stack_size + frame_size
+ = ROUND_CALL_BLOCK_SIZE (m88k_stack_size + frame_size + need
+ current_function_pretend_args_size);
}
}
return 0;
}
\f
-void
-m88k_begin_prologue (stream, size)
+static void
+m88k_output_function_prologue (stream, size)
FILE *stream ATTRIBUTE_UNUSED;
- int size 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; /* it's ok now to put out ln directives */
}
-void
-m88k_end_prologue (stream)
+static void
+m88k_output_function_end_prologue (stream)
FILE *stream;
{
if (TARGET_OCS_DEBUG_INFO && !prologue_marked)
{
rtx return_reg = gen_rtx_REG (SImode, 1);
rtx label = gen_label_rtx ();
- rtx temp_reg;
+ rtx temp_reg = NULL_RTX;
if (! save_regs[1])
{
if (! save_regs[1])
emit_move_insn (return_reg, temp_reg);
}
- if (profile_flag || profile_block_flag)
+ if (current_function_profile)
emit_insn (gen_blockage ());
}
\f
/* This function generates the assembly code for function exit,
- on machines that need it. Args are same as for FUNCTION_PROLOGUE.
+ on machines that need it.
The function epilogue should not depend on the current stack pointer!
It should use the frame pointer only, if there is a frame pointer.
This is mandatory because of alloca; we also take advantage of it to
omit stack adjustments before returning. */
-void
-m88k_begin_epilogue (stream)
+static void
+m88k_output_function_begin_epilogue (stream)
FILE *stream;
{
if (TARGET_OCS_DEBUG_INFO && !epilogue_marked && prologue_marked)
epilogue_marked = 1;
}
-void
-m88k_end_epilogue (stream, size)
+static void
+m88k_output_function_epilogue (stream, size)
FILE *stream;
- int size ATTRIBUTE_UNUSED;
+ HOST_WIDE_INT size ATTRIBUTE_UNUSED;
{
rtx insn = get_last_insn ();
#if (MONITOR_GCC & 0x10) /* Watch for suspicious symbolic locations. */
if (! (GET_CODE (reg) == REG
&& REGNO (reg) >= FIRST_PSEUDO_REGISTER))
- warning ("Internal gcc error: Can't express symbolic location");
+ warning ("internal gcc error: Can't express symbolic location");
#endif
return 0;
}
tdesc_section ();
- fprintf (file, "\t%s\t %d,%d", INT_ASM_OP, /* 8:0,22:(20 or 16),2:2 */
+ /* 8:0,22:(20 or 16),2:2 */
+ fprintf (file, "%s%d,%d", integer_asm_op (4, TRUE),
(((xmask != 0) ? 20 : 16) << 2) | 2,
flag_pic ? 2 : 1);
{
char label[256];
char dbi[256];
- const char *temp = (savep ? reg_names[2] : reg_names[10]);
+ const char *const temp = (savep ? reg_names[2] : reg_names[10]);
/* Remember to update FUNCTION_PROFILER_LENGTH. */
struct rtx_def *
m88k_builtin_saveregs ()
{
- rtx addr, dest;
+ rtx addr;
tree fntype = TREE_TYPE (current_function_decl);
int argadj = ((!(TYPE_ARG_TYPES (fntype) != 0
&& (TREE_VALUE (tree_last (TYPE_ARG_TYPES (fntype)))
variable_args_p = 1;
fixed = 0;
- if (CONSTANT_P (current_function_arg_offset_rtx))
- {
- fixed = (XINT (current_function_arg_offset_rtx, 0)
- + argadj) / UNITS_PER_WORD;
- }
+ if (GET_CODE (current_function_arg_offset_rtx) == CONST_INT)
+ fixed = ((INTVAL (current_function_arg_offset_rtx) + argadj)
+ / UNITS_PER_WORD);
/* Allocate the register space, and store it as the __va_reg member. */
addr = assign_stack_local (BLKmode, 8 * UNITS_PER_WORD, -1);
- MEM_ALIAS_SET (addr) = get_varargs_alias_set ();
+ set_mem_alias_set (addr, get_varargs_alias_set ());
RTX_UNCHANGING_P (addr) = 1;
RTX_UNCHANGING_P (XEXP (addr, 0)) = 1;
/* Now store the incoming registers. */
if (fixed < 8)
- {
- dest = change_address (addr, Pmode,
- plus_constant (XEXP (addr, 0),
- fixed * UNITS_PER_WORD));
- move_block_from_reg (2 + fixed, dest, 8 - fixed,
- UNITS_PER_WORD * (8 - fixed));
-
- if (current_function_check_memory_usage)
- {
- emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3,
- dest, ptr_mode,
- GEN_INT (UNITS_PER_WORD * (8 - fixed)),
- TYPE_MODE (sizetype),
- GEN_INT (MEMORY_USE_RW),
- TYPE_MODE (integer_type_node));
- }
- }
+ move_block_from_reg (2 + fixed,
+ adjust_address (addr, Pmode, fixed * UNITS_PER_WORD),
+ 8 - fixed,
+ UNITS_PER_WORD * (8 - fixed));
/* Return the address of the save area, but don't put it in a
register. This fails when not optimizing and produces worse code
if (sequencep)
{
if (code < 'B' || code > 'E')
- output_operand_lossage ("%R not followed by %B/C/D/E");
+ output_operand_lossage ("%%R not followed by %%B/C/D/E");
if (reversep)
xc = reverse_condition (xc);
sequencep = 0;
value >>= 16;
case 'x': /* print the lower 16 bits of the integer constant in hex */
if (xc != CONST_INT)
- output_operand_lossage ("invalid %x/X value");
+ output_operand_lossage ("invalid %%x/X value");
fprintf (file, "0x%x", value & 0xffff); return;
case 'H': /* print the low 16 bits of the negated integer constant */
if (xc != CONST_INT)
- output_operand_lossage ("invalid %H value");
+ output_operand_lossage ("invalid %%H value");
value = -value;
case 'h': /* print the register or low 16 bits of the integer constant */
if (xc == REG)
goto reg;
if (xc != CONST_INT)
- output_operand_lossage ("invalid %h value");
+ output_operand_lossage ("invalid %%h value");
fprintf (file, "%d", value & 0xffff);
return;
case 'Q': /* print the low 8 bits of the negated integer constant */
if (xc != CONST_INT)
- output_operand_lossage ("invalid %Q value");
+ output_operand_lossage ("invalid %%Q value");
value = -value;
case 'q': /* print the register or low 8 bits of the integer constant */
if (xc == REG)
goto reg;
if (xc != CONST_INT)
- output_operand_lossage ("invalid %q value");
+ output_operand_lossage ("invalid %%q value");
fprintf (file, "%d", value & 0xff);
return;
case 'w': /* print the integer constant (X == 32 ? 0 : 32 - X) */
if (xc != CONST_INT)
- output_operand_lossage ("invalid %o value");
+ output_operand_lossage ("invalid %%o value");
fprintf (file, "%d", value == 32 ? 0 : 32 - value);
return;
case 'p': /* print the logarithm of the integer constant */
if (xc != CONST_INT
|| (value = exact_log2 (value)) < 0)
- output_operand_lossage ("invalid %p value");
+ output_operand_lossage ("invalid %%p value");
fprintf (file, "%d", value);
return;
register int top, bottom;
if (xc != CONST_INT)
- output_operand_lossage ("invalid %s/S value");
+ output_operand_lossage ("invalid %%s/S value");
/* All the "one" bits must be contiguous. If so, MASK will be
a power of two or zero. */
mask = (uval | (uval - 1)) + 1;
if (!(uval && POWER_OF_2_or_0 (mask)))
- output_operand_lossage ("invalid %s/S value");
+ 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);
if (xc == LABEL_REF)
output_addr_const (file, x);
else if (xc != PC)
- output_operand_lossage ("invalid %P operand");
+ output_operand_lossage ("invalid %%P operand");
return;
case 'L': /* print 0 or 1 if operand is label_ref and then... */
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");
+ default: output_operand_lossage ("invalid %%B value");
}
case 'C': /* bb0/bb1 branch values for comparisons */
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");
+ default: output_operand_lossage ("invalid %%C value");
}
case 'D': /* bcnd branch values for float comparisons */
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");
+ default: output_operand_lossage ("invalid %%D value");
}
case 'E': /* bcnd branch values for special integers */
{
case EQ: fputs ("0x8", file); return;
case NE: fputs ("0x7", file); return;
- default: output_operand_lossage ("invalid %E value");
+ default: output_operand_lossage ("invalid %%E value");
}
case 'd': /* second register of a two register pair */
if (xc != REG)
- output_operand_lossage ("`%d' operand isn't a register");
+ output_operand_lossage ("`%%d' operand isn't a register");
fputs (reg_names[REGNO (x) + 1], file);
return;
return;
}
else if (xc != REG)
- output_operand_lossage ("invalid %r value");
+ output_operand_lossage ("invalid %%r value");
case 0:
name:
if (xc == REG)
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 /* INIT_SECTION_ASM_OP && ! OBJECT_FORMAT_ELF */
+
+/* Adjust the cost of INSN based on the relationship between INSN that
+ is dependent on DEP_INSN through the dependence LINK. The default
+ is to make no adjustment to COST.
+
+ On the m88k, ignore the cost of anti- and output-dependencies. On
+ the m88100, a store can issue two cycles before the value (not the
+ address) has finished computing. */
+
+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; /* Anti or output dependence. */
+
+ if (! TARGET_88100
+ && recog_memoized (insn) >= 0
+ && get_attr_type (insn) == TYPE_STORE
+ && SET_SRC (PATTERN (insn)) == SET_DEST (PATTERN (dep)))
+ return cost - 4; /* 88110 store reservation station. */
+
+ return cost;
+}
OSDN Git Service
