diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 71aee4ff3de..3ae4147a794 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -7697,7 +7697,8 @@ static SDValue LowerEXTRACT_VECTOR_ELT_SSE4(SDValue Op, SelectionDAG &DAG) { /// Extract one bit from mask vector, like v16i1 or v8i1. /// AVX-512 feature. -static SDValue ExtractBitFromMaskVector(SDValue Op, SelectionDAG &DAG) { +SDValue +X86TargetLowering::ExtractBitFromMaskVector(SDValue Op, SelectionDAG &DAG) const { SDValue Vec = Op.getOperand(0); SDLoc dl(Vec); MVT VecVT = Vec.getSimpleValueType(); @@ -7717,7 +7718,8 @@ static SDValue ExtractBitFromMaskVector(SDValue Op, SelectionDAG &DAG) { } unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue(); - unsigned MaxSift = VecVT.getSizeInBits() - 1; + const TargetRegisterClass* rc = getRegClassFor(VecVT); + unsigned MaxSift = rc->getSize()*8 - 1; Vec = DAG.getNode(X86ISD::VSHLI, dl, VecVT, Vec, DAG.getConstant(MaxSift - IdxVal, MVT::i8)); Vec = DAG.getNode(X86ISD::VSRLI, dl, VecVT, Vec, |
