Commit 95759917 authored by Bruno Cardoso Lopes's avatar Bruno Cardoso Lopes
Browse files

Emit target specific nodes for isPSHUFHWMask and isPSHUFLWMask 

llvm-svn: 113050
parent 2917bd0f

llvm/lib/Target/X86/X86ISelLowering.cpp

+10 −2
Original line number Diff line number Diff line
@@ -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)