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| author | Alexandre Oliva <aoliva@redhat.com> | 2011-05-31 16:25:15 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2011-05-31 16:25:15 +0000 |
| commit | f3308413143e977215c386e3a51711380749f04f (patch) | |
| tree | baeae37bc7ce10d4055b0c003d45f0e712672660 /gcc/config | |
| parent | 28c14a046d33670222387395e77280e131234482 (diff) | |
| download | gcc-f3308413143e977215c386e3a51711380749f04f.zip gcc-f3308413143e977215c386e3a51711380749f04f.tar.gz gcc-f3308413143e977215c386e3a51711380749f04f.tar.bz2 | |
i386.c (ix86_rtx_costs): Drop NEG from sub for FMA.
* config/i386/i386.c (ix86_rtx_costs): Drop NEG from sub for FMA.
* config/i386/sse.md: Add n to negated FMA pattern names.
From-SVN: r174493
Diffstat (limited to 'gcc/config')
| -rw-r--r-- | gcc/config/i386/i386.c | 4 | ||||
| -rw-r--r-- | gcc/config/i386/sse.md | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 85d145a..c4f0b9d 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -29226,12 +29226,12 @@ ix86_rtx_costs (rtx x, int code, int outer_code_i, int *total, bool speed) /* Negate in op0 or op2 is free: FMS, FNMA, FNMS. */ sub = XEXP (x, 0); if (GET_CODE (sub) == NEG) - sub = XEXP (x, 0); + sub = XEXP (sub, 0); *total += rtx_cost (sub, FMA, speed); sub = XEXP (x, 2); if (GET_CODE (sub) == NEG) - sub = XEXP (x, 0); + sub = XEXP (sub, 0); *total += rtx_cost (sub, FMA, speed); return true; } diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 058f82b..365fbfa 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -1731,7 +1731,7 @@ [(set_attr "type" "ssemuladd") (set_attr "mode" "<MODE>")]) -(define_insn "*fma_fmadd_<mode>" +(define_insn "*fma_fnmadd_<mode>" [(set (match_operand:FMAMODE 0 "register_operand" "=x,x,x") (fma:FMAMODE (neg:FMAMODE @@ -1746,7 +1746,7 @@ [(set_attr "type" "ssemuladd") (set_attr "mode" "<MODE>")]) -(define_insn "*fma_fmsub_<mode>" +(define_insn "*fma_fnmsub_<mode>" [(set (match_operand:FMAMODE 0 "register_operand" "=x,x,x") (fma:FMAMODE (neg:FMAMODE |