diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index d1b6bb15667..95dbb617668 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/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)