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| author | Craig Topper <craig.topper@gmail.com> | 2012-07-30 01:38:57 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-07-30 01:38:57 +0000 |
| commit | 3ff91c3ac68eecd750456aefc20ca215bc93de6c (patch) | |
| tree | edb1ed64bcd6007b9397b839c7ea426d6d390bd3 | |
| parent | 19006bdee14771bd150a3fcb4db240ce57b96d35 (diff) | |
Fix up patterns for VCVTSS2SD. Specifically give it priority over SSE form. Add an OptForSpeed to explicitly pair up with an OptForSize that was already on another pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160939 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 438e1f1c14..d8b78e900c 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -1709,18 +1709,19 @@ def VCVTSS2SDrm : I<0x5A, MRMSrcMem, (outs FR64:$dst), XS, VEX_4V, VEX_LIG, Requires<[HasAVX, OptForSize]>; } -let Predicates = [HasAVX] in { +let AddedComplexity = 1 in { // give AVX priority def : Pat<(f64 (fextend FR32:$src)), - (VCVTSS2SDrr FR32:$src, FR32:$src)>; + (VCVTSS2SDrr FR32:$src, FR32:$src)>, Requires<[HasAVX]>; def : Pat<(fextend (loadf32 addr:$src)), - (VCVTSS2SDrm (f32 (IMPLICIT_DEF)), addr:$src)>; - def : Pat<(extloadf32 addr:$src), - (VCVTSS2SDrm (f32 (IMPLICIT_DEF)), addr:$src)>; -} + (VCVTSS2SDrm (f32 (IMPLICIT_DEF)), addr:$src)>, Requires<[HasAVX]>; -def : Pat<(extloadf32 addr:$src), - (VCVTSS2SDrr (f32 (IMPLICIT_DEF)), (MOVSSrm addr:$src))>, - Requires<[HasAVX, OptForSpeed]>; + def : Pat<(extloadf32 addr:$src), + (VCVTSS2SDrm (f32 (IMPLICIT_DEF)), addr:$src)>, + Requires<[HasAVX, OptForSize]>; + def : Pat<(extloadf32 addr:$src), + (VCVTSS2SDrr (f32 (IMPLICIT_DEF)), (VMOVSSrm addr:$src))>, + Requires<[HasAVX, OptForSpeed]>; +} // AddedComplexity = 1 def CVTSS2SDrr : I<0x5A, MRMSrcReg, (outs FR64:$dst), (ins FR32:$src), "cvtss2sd\t{$src, $dst|$dst, $src}", |