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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-11-08 21:24:59 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-11-08 21:24:59 +0000 |
| commit | a84ad90c065395f26ce6093b95433ceac20ab174 (patch) | |
| tree | a1983235ab17f13521bfd01808b1769eadb5dc47 | |
| parent | 23721d5b19113146a07c29035ada842aa04318c3 (diff) | |
Fix PR8211
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118445 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrSSE.td | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 79c54295d2..e4e92ccbf1 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -5775,6 +5775,12 @@ def : Pat<(v4i32 (X86Movlps VR128:$src1, (load addr:$src2))), def : Pat<(X86Movlps VR128:$src1, (bc_v4f32 (v2f64 (scalar_to_vector (loadf64 addr:$src2))))), (MOVLPSrm VR128:$src1, addr:$src2)>; +// FIXME: Instead of a X86Movlps there should be a X86Movsd here, the problem +// is during lowering, where it's not possible to recognize the load fold cause +// it has two uses through a bitcast. One use disappears at isel time and the +// fold opportunity reappears. +def : Pat<(v4f32 (X86Movlps VR128:$src1, VR128:$src2)), + (MOVSDrr VR128:$src1, (EXTRACT_SUBREG (v4f32 VR128:$src2), sub_sd))>; // Shuffle with MOVLPD def : Pat<(v2f64 (X86Movlpd VR128:$src1, (load addr:$src2))), |