diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index e32df4dc5c..a5e59edac8 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -5181,6 +5181,11 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { } } + if (OptForSize) { // NOTE: isPSHUFDMask can also match this mask... + if (HasSSE2 && X86::isUNPCKL_v_undef_Mask(SVOp) && VT == MVT::v4i32) + return getTargetShuffleNode(X86ISD::PUNPCKLDQ, dl, VT, V1, V1, DAG); + } + if (X86::isPSHUFDMask(SVOp)) { // The actual implementation will match the mask in the if above and then // during isel it can match several different instructions, not only pshufd @@ -5188,10 +5193,6 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { if (X86::isMOVDDUPMask(SVOp) && ((VT == MVT::v4f32 || VT == MVT::v2i64))) return getTargetShuffleNode(X86ISD::MOVLHPS, dl, VT, V1, V1, DAG); - if (OptForSize && HasSSE2 && X86::isUNPCKL_v_undef_Mask(SVOp) && - VT == MVT::v4i32) - return getTargetShuffleNode(X86ISD::PUNPCKLDQ, dl, VT, V1, V1, DAG); - unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp); if (HasSSE2 && (VT == MVT::v4f32 || VT == MVT::v4i32)) |