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| author | Stan Cox <coxs@gnu.org> | 1997-05-08 18:51:51 +0000 |
|---|---|---|
| committer | Stan Cox <coxs@gnu.org> | 1997-05-08 18:51:51 +0000 |
| commit | 858a9ffcb70e7fbf3c28baee571ef2785d8b798f (patch) | |
| tree | 9ef75823307491d083fa564148dcf54bb8398c14 /gcc | |
| parent | 96f06cb6dda0ad26a734dea2f05dd07a246b7ef1 (diff) | |
| download | gcc-858a9ffcb70e7fbf3c28baee571ef2785d8b798f.zip gcc-858a9ffcb70e7fbf3c28baee571ef2785d8b798f.tar.gz gcc-858a9ffcb70e7fbf3c28baee571ef2785d8b798f.tar.bz2 | |
(output_float_compare): For pentiumpro use fcomip
From-SVN: r14048
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 93480fc..4a17d80 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -3737,9 +3737,25 @@ output_float_compare (insn, operands) `fcompp' float compare */ if (unordered_compare) - output_asm_insn ("fucompp", operands); + if (cc_status.flags & CC_FCOMI) + { + output_asm_insn (AS2 (fucomip,%y1,%0), operands); + output_asm_insn (AS1 (fstp, %y0), operands); + RET; + } + else + output_asm_insn ("fucompp", operands); else - output_asm_insn ("fcompp", operands); + { + if (cc_status.flags & CC_FCOMI) + { + output_asm_insn (AS2 (fcomip, %y1,%0), operands); + output_asm_insn (AS1 (fstp, %y0), operands); + RET; + } + else + output_asm_insn ("fcompp", operands); + } } else { @@ -3764,13 +3780,7 @@ output_float_compare (insn, operands) output_op_from_reg (operands[1], strcat (buf, AS1 (%z0,%1))); else if (cc_status.flags & CC_FCOMI) { - rtx xops[3]; - - xops[0] = operands[0]; - xops[1] = operands[1]; - xops[2] = operands[0]; - - output_asm_insn (strcat (buf, AS2 (%z1,%y1,%2)), xops); + output_asm_insn (strcat (buf, AS2 (%z1,%y1,%0)), operands); RET; } else |