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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-29 22:27:25 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-29 22:27:25 +0000 |
| commit | bde32d36bb4ebdeda66b432c04796905c65bc6f0 (patch) | |
| tree | 24d5d03c18e96a540410aaa442b6fe080cc532e7 /llvm/lib/Target/X86/X86FastISel.cpp | |
| parent | fe96ee030743139063a8ba8eae5484a23e8d8dd3 (diff) | |
| download | bcm5719-llvm-bde32d36bb4ebdeda66b432c04796905c65bc6f0.tar.gz bcm5719-llvm-bde32d36bb4ebdeda66b432c04796905c65bc6f0.zip | |
Make X86::FsFLD0SS / FsFLD0SD real pseudo-instructions.
Like V_SET0, these instructions are expanded by ExpandPostRA to xorps /
vxorps so they can participate in execution domain swizzling.
This also makes the AVX variants redundant.
llvm-svn: 145440
Diffstat (limited to 'llvm/lib/Target/X86/X86FastISel.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 32f177047cc..00c5903b47b 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -2121,7 +2121,7 @@ unsigned X86FastISel::TargetMaterializeFloatZero(const ConstantFP *CF) { default: return false; case MVT::f32: if (X86ScalarSSEf32) { - Opc = Subtarget->hasAVX() ? X86::VFsFLD0SS : X86::FsFLD0SS; + Opc = X86::FsFLD0SS; RC = X86::FR32RegisterClass; } else { Opc = X86::LD_Fp032; @@ -2130,7 +2130,7 @@ unsigned X86FastISel::TargetMaterializeFloatZero(const ConstantFP *CF) { break; case MVT::f64: if (X86ScalarSSEf64) { - Opc = Subtarget->hasAVX() ? X86::VFsFLD0SD : X86::FsFLD0SD; + Opc = X86::FsFLD0SD; RC = X86::FR64RegisterClass; } else { Opc = X86::LD_Fp064; |
