Changes in directory llvm/lib/Target/SparcV8:
SparcV8ISelDAGToDAG.cpp updated: 1.35 -> 1.36
---
Log message:
implement vaarg. Varargs now should work.
---
Diffs of the changes: (+13 -2)
SparcV8ISelDAGToDAG.cpp | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)
Index: llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp
diff -u llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.35
llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.36
--- llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp:1.35 Fri Dec 23
00:24:04 2005
+++ llvm/lib/Target/SparcV8/SparcV8ISelDAGToDAG.cpp Fri Dec 23 00:37:38 2005
@@ -578,8 +578,19 @@
std::pair<SDOperand,SDOperand> SparcV8TargetLowering::
LowerVAArg(SDOperand Chain, SDOperand VAListP, Value *VAListV,
const Type *ArgTy, SelectionDAG &DAG) {
- assert(0 && "Unimp");
- abort();
+ // Load the pointer out of the valist.
+ SDOperand Ptr = DAG.getLoad(MVT::i32, Chain,
+ VAListP, DAG.getSrcValue(VAListV));
+ MVT::ValueType ArgVT = getValueType(ArgTy);
+ SDOperand Val = DAG.getLoad(ArgVT, Ptr.getValue(1),
+ Ptr, DAG.getSrcValue(NULL));
+ // Increment the pointer.
+ Ptr = DAG.getNode(ISD::ADD, MVT::i32, Ptr,
+ DAG.getConstant(MVT::getSizeInBits(ArgVT)/8, MVT::i32));
+ // Store it back to the valist.
+ Chain = DAG.getNode(ISD::STORE, MVT::Other, Chain, Ptr,
+ VAListP, DAG.getSrcValue(VAListV));
+ return std::make_pair(Val, Chain);
}
std::pair<SDOperand, SDOperand> SparcV8TargetLowering::
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