Commit 2b57008c authored by Bruno Cardoso Lopes's avatar Bruno Cardoso Lopes
Browse files

Emit target specific nodes for isSHUFPMask 

llvm-svn: 113048
parent 2f7af361

llvm/lib/Target/X86/X86ISelLowering.cpp

+10 −1
Original line number Diff line number Diff line
@@ -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);