diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 6a3a9cd80a..8eb5df2126 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -85,14 +85,10 @@ static SDValue Extract128BitVector(SDValue Vec, DebugLoc dl) { EVT VT = Vec.getValueType(); assert(VT.getSizeInBits() == 256 && "Unexpected vector size!"); - EVT ElVT = VT.getVectorElementType(); - - int Factor = VT.getSizeInBits() / 128; - - EVT ResultVT = EVT::getVectorVT(*DAG.getContext(), - ElVT, - VT.getVectorNumElements() / Factor); + int Factor = VT.getSizeInBits()/128; + EVT ResultVT = EVT::getVectorVT(*DAG.getContext(), ElVT, + VT.getVectorNumElements()/Factor); // Extract from UNDEF is UNDEF. if (Vec.getOpcode() == ISD::UNDEF) @@ -111,7 +107,6 @@ static SDValue Extract128BitVector(SDValue Vec, * ElemsPerChunk); SDValue VecIdx = DAG.getConstant(NormalizedIdxVal, MVT::i32); - SDValue Result = DAG.getNode(ISD::EXTRACT_SUBVECTOR, dl, ResultVT, Vec, VecIdx); @@ -136,21 +131,18 @@ static SDValue Insert128BitVector(SDValue Result, assert(VT.getSizeInBits() == 128 && "Unexpected vector size!"); EVT ElVT = VT.getVectorElementType(); - unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue(); - EVT ResultVT = Result.getValueType(); // Insert the relevant 128 bits. - unsigned ElemsPerChunk = 128 / ElVT.getSizeInBits(); + unsigned ElemsPerChunk = 128/ElVT.getSizeInBits(); // This is the index of the first element of the 128-bit chunk // we want. - unsigned NormalizedIdxVal = (((IdxVal * ElVT.getSizeInBits()) / 128) + unsigned NormalizedIdxVal = (((IdxVal * ElVT.getSizeInBits())/128) * ElemsPerChunk); SDValue VecIdx = DAG.getConstant(NormalizedIdxVal, MVT::i32); - Result = DAG.getNode(ISD::INSERT_SUBVECTOR, dl, ResultVT, Result, Vec, VecIdx); return Result; @@ -3641,7 +3633,6 @@ unsigned X86::getExtractVEXTRACTF128Immediate(SDNode *N) { EVT ElVT = VecVT.getVectorElementType(); unsigned NumElemsPerChunk = 128 / ElVT.getSizeInBits(); - return Index / NumElemsPerChunk; } @@ -3659,7 +3650,6 @@ unsigned X86::getInsertVINSERTF128Immediate(SDNode *N) { EVT ElVT = VecVT.getVectorElementType(); unsigned NumElemsPerChunk = 128 / ElVT.getSizeInBits(); - return Index / NumElemsPerChunk; } |