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Bug fixes: fpGETRESULT should produces a flag result and X86ISD::FST should 

read a flag.

llvm-svn: 25378
This commit is contained in:
Evan Cheng 2006-01-17 00:19:47 +00:00
parent 0a15089ad0
commit bec9d720b0
2 changed files with 12 additions and 10 deletions
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18
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -543,16 +543,17 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy,
Chain = Hi.getValue(1);
break;
}
case MVT::f32:
case MVT::f64: {
std::vector<MVT::ValueType> Tys;
Tys.push_back(MVT::f64);
Tys.push_back(MVT::Other);
Tys.push_back(MVT::Flag);
std::vector<SDOperand> Ops;
Ops.push_back(Chain);
Ops.push_back(InFlag);
RetVal = DAG.getNode(X86ISD::FP_GET_RESULT, Tys, Ops);
Chain = RetVal.getValue(1);
Chain = RetVal.getValue(1);
InFlag = RetVal.getValue(2);
if (X86ScalarSSE) {
unsigned Size = MVT::getSizeInBits(MVT::f64)/8;
MachineFunction &MF = DAG.getMachineFunction();
@ -565,12 +566,12 @@ X86TargetLowering::LowerCCCCallTo(SDOperand Chain, const Type *RetTy,
Ops.push_back(RetVal);
Ops.push_back(StackSlot);
Ops.push_back(DAG.getValueType(RetTyVT));
Ops.push_back(InFlag);
Chain = DAG.getNode(X86ISD::FST, Tys, Ops);
RetVal = DAG.getLoad(RetTyVT, Chain, StackSlot,
DAG.getSrcValue(NULL));
Chain = RetVal.getValue(1);
} else if (RetTyVT == MVT::f32)
RetVal = DAG.getNode(ISD::FP_ROUND, MVT::f32, RetVal);
}
break;
}
}
@ -1059,16 +1060,17 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy,
Chain = Hi.getValue(1);
break;
}
case MVT::f32:
case MVT::f64: {
std::vector<MVT::ValueType> Tys;
Tys.push_back(MVT::f64);
Tys.push_back(MVT::Other);
Tys.push_back(MVT::Flag);
std::vector<SDOperand> Ops;
Ops.push_back(Chain);
Ops.push_back(InFlag);
RetVal = DAG.getNode(X86ISD::FP_GET_RESULT, Tys, Ops);
Chain = RetVal.getValue(1);
Chain = RetVal.getValue(1);
InFlag = RetVal.getValue(2);
if (X86ScalarSSE) {
unsigned Size = MVT::getSizeInBits(MVT::f64)/8;
MachineFunction &MF = DAG.getMachineFunction();
@ -1081,12 +1083,12 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy,
Ops.push_back(RetVal);
Ops.push_back(StackSlot);
Ops.push_back(DAG.getValueType(RetTyVT));
Ops.push_back(InFlag);
Chain = DAG.getNode(X86ISD::FST, Tys, Ops);
RetVal = DAG.getLoad(RetTyVT, Chain, StackSlot,
DAG.getSrcValue(NULL));
Chain = RetVal.getValue(1);
} else if (RetTyVT == MVT::f32)
RetVal = DAG.getNode(ISD::FP_ROUND, MVT::f32, RetVal);
}
break;
}
}

4
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -93,14 +93,14 @@ def X86call : SDNode<"X86ISD::CALL", SDT_X86Call,
[SDNPHasChain, SDNPOutFlag, SDNPOptInFlag]>;
def X86fpget : SDNode<"X86ISD::FP_GET_RESULT", SDTX86FpGet,
[SDNPHasChain, SDNPInFlag]>;
[SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
def X86fpset : SDNode<"X86ISD::FP_SET_RESULT", SDTX86FpSet,
[SDNPHasChain, SDNPOutFlag]>;
def X86fld : SDNode<"X86ISD::FLD", SDTX86Fld,
[SDNPHasChain]>;
def X86fst : SDNode<"X86ISD::FST", SDTX86Fst,
[SDNPHasChain]>;
[SDNPHasChain, SDNPInFlag]>;
def X86fild : SDNode<"X86ISD::FILD", SDTX86Fild,
[SDNPHasChain]>;
def X86fp_to_i16mem : SDNode<"X86ISD::FP_TO_INT16_IN_MEM", SDTX86FpToIMem,