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| author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-09-03 20:44:26 +0000 |
|---|---|---|
| committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-09-03 20:44:26 +0000 |
| commit | a750d994fe1aaee450f18b0d01af92dc4ae965ab (patch) | |
| tree | 880330b6eedc726435f015a31866f222eb49f06a | |
| parent | fe8717c5734bbae0962ad2e4e44813f3c351affe (diff) | |
| download | llvm-a750d994fe1aaee450f18b0d01af92dc4ae965ab.zip llvm-a750d994fe1aaee450f18b0d01af92dc4ae965ab.tar.gz llvm-a750d994fe1aaee450f18b0d01af92dc4ae965ab.tar.bz2 | |
Reapply last harmless part of r112934, the pattern fragment to match X86Unpcklpd
llvm-svn: 113009
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSSE.td | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index d9c119c..07cc0a7 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -5819,6 +5819,13 @@ def : Pat<(v2i64 (X86Movlhps VR128:$src1, VR128:$src2)), def : Pat<(v2f64 (X86Movlhpd VR128:$src1, (scalar_to_vector (loadf64 addr:$src2)))), (MOVHPDrm VR128:$src1, addr:$src2)>; +// FIXME: Instead of X86Unpcklpd, there should be a X86Movlhpd 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<(v2f64 (X86Unpcklpd VR128:$src1, + (scalar_to_vector (loadf64 addr:$src2)))), + (MOVHPDrm VR128:$src1, addr:$src2)>; // Shuffle with MOVSS def : Pat<(v4f32 (X86Movss VR128:$src1, (scalar_to_vector FR32:$src2))), |