diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index c50f44daae..fa80717f99 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -7712,19 +7712,19 @@ static SDValue lowerV16I8VectorShuffle(SDValue Op, SDValue V1, SDValue V2, return DAG.getNode(X86ISD::UNPCKL, DL, MVT::v16i8, Evens, Odds); } - - SDValue LoV1 = DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, - DAG.getNode(X86ISD::UNPCKL, DL, MVT::v16i8, V1, - DAG.getUNDEF(MVT::v8i16))); - SDValue HiV1 = DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, - DAG.getNode(X86ISD::UNPCKH, DL, MVT::v16i8, V1, - DAG.getUNDEF(MVT::v8i16))); - SDValue LoV2 = DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, - DAG.getNode(X86ISD::UNPCKL, DL, MVT::v16i8, V2, - DAG.getUNDEF(MVT::v8i16))); - SDValue HiV2 = DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, - DAG.getNode(X86ISD::UNPCKH, DL, MVT::v16i8, V2, - DAG.getUNDEF(MVT::v8i16))); + SDValue Zero = getZeroVector(MVT::v8i16, Subtarget, DAG, DL); + SDValue LoV1 = + DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, + DAG.getNode(X86ISD::UNPCKL, DL, MVT::v16i8, V1, Zero)); + SDValue HiV1 = + DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, + DAG.getNode(X86ISD::UNPCKH, DL, MVT::v16i8, V1, Zero)); + SDValue LoV2 = + DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, + DAG.getNode(X86ISD::UNPCKL, DL, MVT::v16i8, V2, Zero)); + SDValue HiV2 = + DAG.getNode(ISD::BITCAST, DL, MVT::v8i16, + DAG.getNode(X86ISD::UNPCKH, DL, MVT::v16i8, V2, Zero)); int V1LoBlendMask[8] = {-1, -1, -1, -1, -1, -1, -1, -1}; int V1HiBlendMask[8] = {-1, -1, -1, -1, -1, -1, -1, -1}; |