minor change, simplify some logic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112689 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2010-09-01 00:57:08 +00:00
parent e654b56eb1
commit 9cfad89a68

View File

@ -5127,10 +5127,10 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp);
if (HasSSE2 && (VT == MVT::v4f32 || VT == MVT::v4i32))
if (HasSSE2 && NumElems == 4)
return getTargetShuffleNode(X86ISD::PSHUFD, dl, VT, V1, TargetMask, DAG);
if (HasSSE2 && (VT == MVT::v2i64 || VT == MVT::v2f64))
if (HasSSE2 && NumElems == 2)
return getTargetShuffleNode(X86ISD::SHUFPD, dl, VT, V1, V1,
TargetMask, DAG);
@ -5159,10 +5159,10 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
if (ISD::isBuildVectorAllZeros(V1.getNode()))
return getVZextMovL(VT, VT, V2, DAG, Subtarget, dl);
if (!isMMX && !X86::isMOVLPMask(SVOp)) {
if (HasSSE2 && (VT == MVT::v2i64 || VT == MVT::v2f64))
if (HasSSE2 && NumElems == 2)
return getTargetShuffleNode(X86ISD::MOVSD, dl, VT, V1, V2, DAG);
if (VT == MVT::v4i32 || VT == MVT::v4f32)
if (NumElems == 4)
return getTargetShuffleNode(X86ISD::MOVSS, dl, VT, V1, V2, DAG);
}
}