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Update alpha to reflect recent constantfp legalize changes. It's not clear

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why all this code isn't autogenerated. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25770 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-29 06:25:22 +00:00
parent ac0d723825
commit 08a90229ae
2 changed files with 18 additions and 16 deletions
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32
lib/Target/Alpha/AlphaISelDAGToDAG.cpp
View File

@ -237,23 +237,23 @@ SDOperand AlphaDAGToDAGISel::Select(SDOperand Op) {
return CurDAG->SelectNodeTo(N, Alpha::LDQr, MVT::i64, MVT::Other,
CPI, Tmp, CurDAG->getEntryNode());
}
case ISD::ConstantFP:
if (ConstantFPSDNode *CN = dyn_cast<ConstantFPSDNode>(N)) {
bool isDouble = N->getValueType(0) == MVT::f64;
MVT::ValueType T = isDouble ? MVT::f64 : MVT::f32;
if (CN->isExactlyValue(+0.0)) {
return CurDAG->SelectNodeTo(N, isDouble ? Alpha::CPYST : Alpha::CPYSS,
T, CurDAG->getRegister(Alpha::F31, T),
CurDAG->getRegister(Alpha::F31, T));
} else if ( CN->isExactlyValue(-0.0)) {
return CurDAG->SelectNodeTo(N, isDouble ? Alpha::CPYSNT : Alpha::CPYSNS,
T, CurDAG->getRegister(Alpha::F31, T),
CurDAG->getRegister(Alpha::F31, T));
} else {
abort();
}
break;
case ISD::TargetConstantFP: {
ConstantFPSDNode *CN = cast<ConstantFPSDNode>(N);
bool isDouble = N->getValueType(0) == MVT::f64;
MVT::ValueType T = isDouble ? MVT::f64 : MVT::f32;
if (CN->isExactlyValue(+0.0)) {
return CurDAG->SelectNodeTo(N, isDouble ? Alpha::CPYST : Alpha::CPYSS,
T, CurDAG->getRegister(Alpha::F31, T),
CurDAG->getRegister(Alpha::F31, T));
} else if ( CN->isExactlyValue(-0.0)) {
return CurDAG->SelectNodeTo(N, isDouble ? Alpha::CPYSNT : Alpha::CPYSNS,
T, CurDAG->getRegister(Alpha::F31, T),
CurDAG->getRegister(Alpha::F31, T));
} else {
abort();
}
break;
}
case ISD::SETCC:
if (MVT::isFloatingPoint(N->getOperand(0).Val->getValueType(0))) {

2
lib/Target/Alpha/AlphaISelLowering.cpp
View File

@ -145,6 +145,8 @@ AlphaTargetLowering::AlphaTargetLowering(TargetMachine &TM) : TargetLowering(TM)
setStackPointerRegisterToSaveRestore(Alpha::R30);
setOperationAction(ISD::ConstantFP, MVT::f64, Expand);
setOperationAction(ISD::ConstantFP, MVT::f32, Expand);
addLegalFPImmediate(+0.0); //F31
addLegalFPImmediate(-0.0); //-F31