diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index d982e6a..d1b6bb15 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -5471,12 +5471,21 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { // FIXME: pshufb, blends, shifts. if (VT.getVectorNumElements() == 2 || ShuffleVectorSDNode::isSplatMask(&M[0], VT) || - isSHUFPMask(M, VT) || isPSHUFHWMask(M, VT) || isPSHUFLWMask(M, VT) || isPALIGNRMask(M, VT, Subtarget->hasSSSE3())) return Op; + if (isSHUFPMask(M, VT)) { + unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp); + if (VT == MVT::v4f32 || VT == MVT::v4i32) + return getTargetShuffleNode(X86ISD::SHUFPS, dl, VT, V1, V2, + TargetMask, DAG); + if (VT == MVT::v2f64 || VT == MVT::v2i64) + return getTargetShuffleNode(X86ISD::SHUFPD, dl, VT, V1, V2, + TargetMask, DAG); + } + if (X86::isUNPCKL_v_undef_Mask(SVOp)) if (VT != MVT::v2i64 && VT != MVT::v2f64) return getTargetShuffleNode(getUNPCKLOpcode(VT), dl, VT, V1, V1, DAG); |