diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 45052da991..147f201ac6 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -5467,19 +5467,19 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const { SmallVector<int, 16> M; SVOp->getMask(M); - // Very little shuffling can be done for 64-bit vectors right now. + if (isPALIGNRMask(M, VT, HasSSSE3)) + return getTargetShuffleNode(X86ISD::PALIGN, dl, VT, V1, V2, + X86::getShufflePALIGNRImmediate(SVOp), + DAG); + + // MMX shuffles not already handled must be expanded. if (VT.getSizeInBits() == 64) - return isPALIGNRMask(M, VT, Subtarget->hasSSSE3()) ? Op : SDValue(); + return SDValue(); // FIXME: pshufb, blends, shifts. if (VT.getVectorNumElements() == 2) return Op; - if (isPALIGNRMask(M, VT, HasSSSE3)) - return getTargetShuffleNode(X86ISD::PALIGN, dl, VT, V1, V2, - X86::getShufflePALIGNRImmediate(SVOp), - DAG); - if (ShuffleVectorSDNode::isSplatMask(&M[0], VT) && SVOp->getSplatIndex() == 0 && V2IsUndef) { if (VT == MVT::v2f64) |