diff options
| author | Chris Lattner <sabre@nondot.org> | 2007-05-17 17:13:13 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-05-17 17:13:13 +0000 |
| commit | 07c70cd86629846a2584e7311964e9f7753c94b0 (patch) | |
| tree | e955b4056e336a15a4dd1a2fce4fc4ae479bc862 | |
| parent | f84020295363fbcdb5c5d22d0c2bac53990d5992 (diff) | |
This is the correct fix for PR1427. This fixes mmx-shuffle.ll and doesn't
cause other regressions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37160 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 6de6b21c78..0616513b5e 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -2675,7 +2675,8 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDOperand Op, SelectionDAG &DAG) { return Op; } - if (X86::isSHUFPMask(PermMask.Val)) + if (X86::isSHUFPMask(PermMask.Val) && + MVT::getSizeInBits(VT) != 64) // Don't do this for MMX. return Op; // Handle v8i16 shuffle high / low shuffle node pair. @@ -2712,7 +2713,9 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDOperand Op, SelectionDAG &DAG) { } } - if (NumElems == 4) { + if (NumElems == 4 && + // Don't do this for MMX. + MVT::getSizeInBits(VT) != 64) { MVT::ValueType MaskVT = PermMask.getValueType(); MVT::ValueType MaskEVT = MVT::getVectorBaseType(MaskVT); SmallVector<std::pair<int, int>, 8> Locs; |