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Emit target specific nodes for isPSHUFHWMask and isPSHUFLWMask

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113050 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2010-09-04 01:36:45 +00:00
parent 4c827f5ae1
commit bbfc31012b
1 changed files with 10 additions and 2 deletions
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12
lib/Target/X86/X86ISelLowering.cpp
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@ -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)