diff options
Diffstat (limited to 'lib/Target/Mips/MipsISelLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsISelLowering.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp index ed62da5ecb..b344ddabc9 100644 --- a/lib/Target/Mips/MipsISelLowering.cpp +++ b/lib/Target/Mips/MipsISelLowering.cpp @@ -156,6 +156,7 @@ const char *MipsTargetLowering::getTargetNodeName(unsigned Opcode) const { case MipsISD::FPCmp: return "MipsISD::FPCmp"; case MipsISD::CMovFP_T: return "MipsISD::CMovFP_T"; case MipsISD::CMovFP_F: return "MipsISD::CMovFP_F"; + case MipsISD::TruncIntFP: return "MipsISD::TruncIntFP"; case MipsISD::ExtractLOHI: return "MipsISD::ExtractLOHI"; case MipsISD::InsertLOHI: return "MipsISD::InsertLOHI"; case MipsISD::Mult: return "MipsISD::Mult"; @@ -249,6 +250,7 @@ MipsTargetLowering(MipsTargetMachine &TM) setOperationAction(ISD::VASTART, MVT::Other, Custom); setOperationAction(ISD::FCOPYSIGN, MVT::f32, Custom); setOperationAction(ISD::FCOPYSIGN, MVT::f64, Custom); + setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom); if (!TM.Options.NoNaNsFPMath) { setOperationAction(ISD::FABS, MVT::f32, Custom); @@ -264,6 +266,7 @@ MipsTargetLowering(MipsTargetMachine &TM) setOperationAction(ISD::SELECT, MVT::i64, Custom); setOperationAction(ISD::LOAD, MVT::i64, Custom); setOperationAction(ISD::STORE, MVT::i64, Custom); + setOperationAction(ISD::FP_TO_SINT, MVT::i64, Custom); } if (!HasMips64) { @@ -743,6 +746,7 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) const case ISD::LOAD: return lowerLOAD(Op, DAG); case ISD::STORE: return lowerSTORE(Op, DAG); case ISD::ADD: return lowerADD(Op, DAG); + case ISD::FP_TO_SINT: return lowerFP_TO_SINT(Op, DAG); } return SDValue(); } @@ -2027,6 +2031,22 @@ static SDValue lowerUnalignedIntStore(StoreSDNode *SD, SelectionDAG &DAG, return createStoreLR(MipsISD::SDR, DAG, SD, SDL, IsLittle ? 0 : 7); } +// Lower (store (fp_to_sint $fp) $ptr) to (store (TruncIntFP $fp), $ptr). +static SDValue lowerFP_TO_SINT_STORE(StoreSDNode *SD, SelectionDAG &DAG) { + SDValue Val = SD->getValue(); + + if (Val.getOpcode() != ISD::FP_TO_SINT) + return SDValue(); + + EVT FPTy = EVT::getFloatingPointVT(Val.getValueSizeInBits()); + SDValue Tr = DAG.getNode(MipsISD::TruncIntFP, Val.getDebugLoc(), FPTy, + Val.getOperand(0)); + + return DAG.getStore(SD->getChain(), SD->getDebugLoc(), Tr, SD->getBasePtr(), + SD->getPointerInfo(), SD->isVolatile(), + SD->isNonTemporal(), SD->getAlignment()); +} + SDValue MipsTargetLowering::lowerSTORE(SDValue Op, SelectionDAG &DAG) const { StoreSDNode *SD = cast<StoreSDNode>(Op); EVT MemVT = SD->getMemoryVT(); @@ -2036,7 +2056,7 @@ SDValue MipsTargetLowering::lowerSTORE(SDValue Op, SelectionDAG &DAG) const { ((MemVT == MVT::i32) || (MemVT == MVT::i64))) return lowerUnalignedIntStore(SD, DAG, Subtarget->isLittle()); - return SDValue(); + return lowerFP_TO_SINT_STORE(SD, DAG); } SDValue MipsTargetLowering::lowerADD(SDValue Op, SelectionDAG &DAG) const { @@ -2060,6 +2080,14 @@ SDValue MipsTargetLowering::lowerADD(SDValue Op, SelectionDAG &DAG) const { DAG.getConstant(0, ValTy)); } +SDValue MipsTargetLowering::lowerFP_TO_SINT(SDValue Op, + SelectionDAG &DAG) const { + EVT FPTy = EVT::getFloatingPointVT(Op.getValueSizeInBits()); + SDValue Trunc = DAG.getNode(MipsISD::TruncIntFP, Op.getDebugLoc(), FPTy, + Op.getOperand(0)); + return DAG.getNode(ISD::BITCAST, Op.getDebugLoc(), Op.getValueType(), Trunc); +} + //===----------------------------------------------------------------------===// // Calling Convention Implementation //===----------------------------------------------------------------------===// |