Changes in directory llvm/lib/Target/IA64:
IA64ISelLowering.cpp updated: 1.6 -> 1.7
---
Log message:
this should take care of calls to varadic functions, but it doesn.,t
BUG: calling printf(string, float) will load the float into the wrong
register, completely forget about loading the string, etce
---
Diffs of the changes: (+14 -7)
IA64ISelLowering.cpp | 21 ++++++++++++++-------
1 files changed, 14 insertions(+), 7 deletions(-)
Index: llvm/lib/Target/IA64/IA64ISelLowering.cpp
diff -u llvm/lib/Target/IA64/IA64ISelLowering.cpp:1.6
llvm/lib/Target/IA64/IA64ISelLowering.cpp:1.7
--- llvm/lib/Target/IA64/IA64ISelLowering.cpp:1.6 Wed Dec 21 22:07:40 2005
+++ llvm/lib/Target/IA64/IA64ISelLowering.cpp Thu Dec 22 00:39:57 2005
@@ -388,16 +388,22 @@
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 @@
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);
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