diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index d1b6bb15667b..95dbb6176687 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -5471,11 +5471,19 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { // FIXME: pshufb, blends, shifts. if (VT.getVectorNumElements() == 2 || ShuffleVectorSDNode::isSplatMask(&M[0], VT) || - isPSHUFHWMask(M, VT) || - isPSHUFLWMask(M, VT) || isPALIGNRMask(M, VT, Subtarget->hasSSSE3())) return Op; + if (isPSHUFHWMask(M, VT)) + return getTargetShuffleNode(X86ISD::PSHUFHW, dl, VT, V1, + X86::getShufflePSHUFHWImmediate(SVOp), + DAG); + + if (isPSHUFLWMask(M, VT)) + return getTargetShuffleNode(X86ISD::PSHUFLW, dl, VT, V1, + X86::getShufflePSHUFLWImmediate(SVOp), + DAG); + if (isSHUFPMask(M, VT)) { unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp); if (VT == MVT::v4f32 || VT == MVT::v4i32) |