if (!isMMX && V2.getOpcode() != ISD::UNDEF && isCommutedSHUFP(SVOp))
return CommuteVectorShuffle(SVOp, DAG);
- // NOTE: isPSHUFDMask can also match both masks below (unpckl_undef and
- // unpckh_undef). Only use pshufd if speed is more important than size.
- if (OptForSize && X86::isUNPCKL_v_undef_Mask(SVOp))
- if (VT != MVT::v2i64 && VT != MVT::v2f64)
- return getTargetShuffleNode(getUNPCKLOpcode(VT), dl, VT, V1, V1, DAG);
- if (OptForSize && X86::isUNPCKH_v_undef_Mask(SVOp))
- if (VT != MVT::v2i64 && VT != MVT::v2f64)
- return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG);
-
// The checks below are all present in isShuffleMaskLegal, but they are
// inlined here right now to enable us to directly emit target specific
// nodes, and remove one by one until they don't return Op anymore.