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i386.c (ix86_use_fcomi_compare): Make global.

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* config/i386/i386.c (ix86_use_fcomi_compare): Make global.
	* config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
	* config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
	will use FCOMI.

From-SVN: r34338
This commit is contained in:
Clinton Popetz 2000-06-01 14:41:31 +00:00 committed by Clinton Popetz
parent 03d2f2b800
commit a940d8bd48
4 changed files with 13 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
* config/i386/i386.c (ix86_use_fcomi_compare): Make global.
* config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
* config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
will use FCOMI.
2000-06-01 Richard Henderson <rth@cygnus.com>
* Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.

1
gcc/config/i386/i386-protos.h
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@ -99,6 +99,7 @@ extern int ix86_unary_operator_ok PARAMS ((enum rtx_code, enum machine_mode,
rtx[]));
extern int ix86_match_ccmode PARAMS ((rtx, enum machine_mode));
extern rtx ix86_expand_fp_compare PARAMS ((enum rtx_code, rtx, rtx, rtx));
extern int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
extern void ix86_expand_branch PARAMS ((enum rtx_code, rtx));
extern int ix86_expand_setcc PARAMS ((enum rtx_code, rtx));
extern int ix86_expand_int_movcc PARAMS ((rtx[]));

3
gcc/config/i386/i386.c
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@ -392,7 +392,6 @@ static void put_condition_code PARAMS ((enum rtx_code, enum machine_mode,
static enum rtx_code unsigned_comparison PARAMS ((enum rtx_code code));
static rtx ix86_expand_int_compare PARAMS ((enum rtx_code, rtx, rtx));
static enum machine_mode ix86_fp_compare_mode PARAMS ((enum rtx_code));
static int ix86_use_fcomi_compare PARAMS ((enum rtx_code));
static enum rtx_code ix86_prepare_fp_compare_args PARAMS ((enum rtx_code,
rtx *, rtx *));
static rtx ix86_expand_compare PARAMS ((enum rtx_code));
@ -4539,7 +4538,7 @@ ix86_fp_compare_mode (code)
/* Return true if we should use an FCOMI instruction for this fp comparison. */
static int
int
ix86_use_fcomi_compare (code)
enum rtx_code code;
{

6
gcc/config/i386/i386.md
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@ -7153,7 +7153,8 @@
(clobber (match_scratch:HI 4 "=a"))]
"TARGET_80387
&& (GET_MODE (operands[1]) == SFmode || GET_MODE (operands[1]) == DFmode)
&& GET_MODE (operands[1]) == GET_MODE (operands[2])"
&& GET_MODE (operands[1]) == GET_MODE (operands[2])
&& !ix86_use_fcomi_compare (GET_CODE (operands[0]))"
"#")
(define_insn "*fp_jcc_4"
@ -7168,7 +7169,8 @@
(clobber (match_scratch:HI 4 "=a"))]
"TARGET_80387
&& (GET_MODE (operands[1]) == SFmode || GET_MODE (operands[1]) == DFmode)
&& GET_MODE (operands[1]) == GET_MODE (operands[2])"
&& GET_MODE (operands[1]) == GET_MODE (operands[2])
&& !ix86_use_fcomi_compare (GET_CODE (operands[0]))"
"#")
(define_insn "*fp_jcc_5"