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::
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::