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this should take care of calls to varadic functions, but it doesn.,t

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BUG: calling printf(string, float) will load the float into the wrong
register, completely forget about loading the string, etce


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24947 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duraid Madina 2005-12-22 06:39:57 +00:00
parent 0b3c4d8221
commit 98b3a83d83
1 changed files with 14 additions and 7 deletions
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21
lib/Target/IA64/IA64ISelLowering.cpp
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@ -388,16 +388,22 @@ IA64TargetLowering::LowerCallTo(SDOperand Chain,
InFlag = Chain.getValue(1);
//FIXME: for performance, only do the following when required
// if we have just copied an FP arg, copy its in-memory representation
// to the appropriate integer register
/* if(MVT::isFloatingPoint(RegValuesToPass[i].getValueType())) {
Chain = DAG.getTargetNode(IA64::GETFD, MVT::i64, RegValuesToPass[i], Chain, InFlag);
InFlag = Chain.getValue(0); // XXX
Chain = DAG.getCopyToReg(Chain, IntArgRegs[i], Chain, InFlag); // ...thrice!
if(MVT::isFloatingPoint(RegValuesToPass[i].getValueType())) {
std::vector<MVT::ValueType> GETFDRetTypes;
std::vector<SDOperand> GETFDOperands;
GETFDRetTypes.push_back(MVT::i64);
GETFDRetTypes.push_back(MVT::Flag);
GETFDOperands.push_back(RegValuesToPass[i]);
GETFDOperands.push_back(Chain);
GETFDOperands.push_back(InFlag);
Chain = DAG.getNode(IA64ISD::GETFD, GETFDRetTypes, GETFDOperands);
Chain = DAG.getCopyToReg(Chain, IntArgRegs[i], Chain.getValue(0), Chain.getValue(1)); // ...thrice!
InFlag = Chain.getValue(1);
} */
}
}
std::vector<MVT::ValueType> RetVals;
@ -452,6 +458,7 @@ IA64TargetLowering::LowerCallTo(SDOperand Chain,
RetVal = DAG.getNode(RetTy->isSigned() ? ISD::AssertSext :ISD::AssertZext,
MVT::i64, RetVal, DAG.getValueType(RetTyVT));
RetVal = DAG.getNode(ISD::TRUNCATE, RetTyVT, RetVal);
break;
case MVT::i64:
RetVal = DAG.getCopyFromReg(Chain, IA64::r8, MVT::i64, InFlag);
Chain = RetVal.getValue(1);