diff options
Diffstat (limited to 'lib/Target/Mips/MipsSEISelLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsSEISelLowering.cpp | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/lib/Target/Mips/MipsSEISelLowering.cpp b/lib/Target/Mips/MipsSEISelLowering.cpp index e2da8477295b..bf7f079e3105 100644 --- a/lib/Target/Mips/MipsSEISelLowering.cpp +++ b/lib/Target/Mips/MipsSEISelLowering.cpp @@ -1547,11 +1547,24 @@ static SDValue lowerMSABinaryBitImmIntr(SDValue Op, SelectionDAG &DAG, return DAG.getNode(Opc, DL, VecTy, Op->getOperand(1), Exp2Imm); } +static SDValue truncateVecElts(SDValue Op, SelectionDAG &DAG) { + SDLoc DL(Op); + EVT ResTy = Op->getValueType(0); + SDValue Vec = Op->getOperand(2); + bool BigEndian = !DAG.getSubtarget().getTargetTriple().isLittleEndian(); + MVT ResEltTy = ResTy == MVT::v2i64 ? MVT::i64 : MVT::i32; + SDValue ConstValue = DAG.getConstant(Vec.getScalarValueSizeInBits() - 1, + DL, ResEltTy); + SDValue SplatVec = getBuildVectorSplat(ResTy, ConstValue, BigEndian, DAG); + + return DAG.getNode(ISD::AND, DL, ResTy, Vec, SplatVec); +} + static SDValue lowerMSABitClear(SDValue Op, SelectionDAG &DAG) { EVT ResTy = Op->getValueType(0); SDLoc DL(Op); SDValue One = DAG.getConstant(1, DL, ResTy); - SDValue Bit = DAG.getNode(ISD::SHL, DL, ResTy, One, Op->getOperand(2)); + SDValue Bit = DAG.getNode(ISD::SHL, DL, ResTy, One, truncateVecElts(Op, DAG)); return DAG.getNode(ISD::AND, DL, ResTy, Op->getOperand(1), DAG.getNOT(DL, Bit, ResTy)); @@ -1687,7 +1700,7 @@ SDValue MipsSETargetLowering::lowerINTRINSIC_WO_CHAIN(SDValue Op, return DAG.getNode(ISD::XOR, DL, VecTy, Op->getOperand(1), DAG.getNode(ISD::SHL, DL, VecTy, One, - Op->getOperand(2))); + truncateVecElts(Op, DAG))); } case Intrinsic::mips_bnegi_b: case Intrinsic::mips_bnegi_h: @@ -1723,7 +1736,7 @@ SDValue MipsSETargetLowering::lowerINTRINSIC_WO_CHAIN(SDValue Op, return DAG.getNode(ISD::OR, DL, VecTy, Op->getOperand(1), DAG.getNode(ISD::SHL, DL, VecTy, One, - Op->getOperand(2))); + truncateVecElts(Op, DAG))); } case Intrinsic::mips_bseti_b: case Intrinsic::mips_bseti_h: @@ -2210,7 +2223,7 @@ SDValue MipsSETargetLowering::lowerINTRINSIC_WO_CHAIN(SDValue Op, case Intrinsic::mips_sll_w: case Intrinsic::mips_sll_d: return DAG.getNode(ISD::SHL, DL, Op->getValueType(0), Op->getOperand(1), - Op->getOperand(2)); + truncateVecElts(Op, DAG)); case Intrinsic::mips_slli_b: case Intrinsic::mips_slli_h: case Intrinsic::mips_slli_w: @@ -2240,7 +2253,7 @@ SDValue MipsSETargetLowering::lowerINTRINSIC_WO_CHAIN(SDValue Op, case Intrinsic::mips_sra_w: case Intrinsic::mips_sra_d: return DAG.getNode(ISD::SRA, DL, Op->getValueType(0), Op->getOperand(1), - Op->getOperand(2)); + truncateVecElts(Op, DAG)); case Intrinsic::mips_srai_b: case Intrinsic::mips_srai_h: case Intrinsic::mips_srai_w: @@ -2270,7 +2283,7 @@ SDValue MipsSETargetLowering::lowerINTRINSIC_WO_CHAIN(SDValue Op, case Intrinsic::mips_srl_w: case Intrinsic::mips_srl_d: return DAG.getNode(ISD::SRL, DL, Op->getValueType(0), Op->getOperand(1), - Op->getOperand(2)); + truncateVecElts(Op, DAG)); case Intrinsic::mips_srli_b: case Intrinsic::mips_srli_h: case Intrinsic::mips_srli_w: |