diff --git a/lib/Target/Alpha/AlphaISelPattern.cpp b/lib/Target/Alpha/AlphaISelPattern.cpp index f2ed9862fed..1fd03d342cd 100644 --- a/lib/Target/Alpha/AlphaISelPattern.cpp +++ b/lib/Target/Alpha/AlphaISelPattern.cpp @@ -403,24 +403,23 @@ AlphaTargetLowering::LowerCallTo(SDOperand Chain, std::pair AlphaTargetLowering::LowerVAStart(SDOperand Chain, SelectionDAG &DAG, SDOperand Dest) { // vastart just stores the address of the VarArgsBase and VarArgsOffset - SDOperand FR = DAG.getFrameIndex(VarArgsBase, MVT::i32); + SDOperand FR = DAG.getFrameIndex(VarArgsBase, MVT::i64); SDOperand S1 = DAG.getNode(ISD::STORE, MVT::Other, Chain, FR, Dest, DAG.getSrcValue(NULL)); SDOperand SA2 = DAG.getNode(ISD::ADD, MVT::i64, Dest, DAG.getConstant(8, MVT::i64)); - SDOperand S2 = DAG.getNode(ISD::STORE, MVT::Other, S1, + SDOperand S2 = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, S1, DAG.getConstant(VarArgsOffset, MVT::i64), SA2, - DAG.getSrcValue(NULL)); - + DAG.getSrcValue(NULL), MVT::i32); return std::make_pair(S2, S2); } std::pair AlphaTargetLowering:: LowerVAArgNext(SDOperand Chain, SDOperand VAList, const Type *ArgTy, SelectionDAG &DAG) { - //FIXME: For now, ignore FP SDOperand Base = DAG.getLoad(MVT::i64, Chain, VAList, DAG.getSrcValue(NULL)); SDOperand Tmp = DAG.getNode(ISD::ADD, MVT::i64, VAList, DAG.getConstant(8, MVT::i64)); - SDOperand Offset = DAG.getLoad(MVT::i64, Chain, Tmp, DAG.getSrcValue(NULL)); + SDOperand Offset = DAG.getNode(ISD::SEXTLOAD, MVT::i64, Chain, Tmp, + DAG.getSrcValue(NULL), MVT::i32); SDOperand DataPtr = DAG.getNode(ISD::ADD, MVT::i64, Base, Offset); if (ArgTy->isFloatingPoint()) { @@ -432,12 +431,23 @@ LowerVAArgNext(SDOperand Chain, SDOperand VAList, DataPtr = DAG.getNode(ISD::SELECT, MVT::i64, CC, FPDataPtr, DataPtr); } - SDOperand Result = DAG.getLoad(getValueType(ArgTy), Chain, DataPtr, - DAG.getSrcValue(NULL)); + SDOperand Result; + if (ArgTy == Type::IntTy) + Result = DAG.getNode(ISD::SEXTLOAD, MVT::i64, Chain, DataPtr, + DAG.getSrcValue(NULL), MVT::i32); + else if (ArgTy == Type::UIntTy) + Result = DAG.getNode(ISD::ZEXTLOAD, MVT::i64, Chain, DataPtr, + DAG.getSrcValue(NULL), MVT::i32); + else + Result = DAG.getLoad(getValueType(ArgTy), Chain, DataPtr, + DAG.getSrcValue(NULL)); + SDOperand NewOffset = DAG.getNode(ISD::ADD, MVT::i64, Offset, DAG.getConstant(8, MVT::i64)); - SDOperand Update = DAG.getNode(ISD::STORE, MVT::Other, Result, NewOffset, - Tmp, DAG.getSrcValue(NULL)); + SDOperand Update = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, Result, NewOffset, + Tmp, DAG.getSrcValue(NULL), MVT::i32); + Result = DAG.getNode(ISD::TRUNCATE, getValueType(ArgTy), Result); + return std::make_pair(Result, Update); } @@ -450,9 +460,10 @@ LowerVACopy(SDOperand Chain, SDOperand Src, SDOperand Dest, Val, Dest, DAG.getSrcValue(NULL)); SDOperand NP = DAG.getNode(ISD::ADD, MVT::i64, Src, DAG.getConstant(8, MVT::i64)); - Val = DAG.getLoad(MVT::i32, Chain, NP, DAG.getSrcValue(NULL)); - Result = DAG.getNode(ISD::STORE, MVT::Other, Val.getValue(1), - Val, Dest, DAG.getSrcValue(NULL)); + Val = DAG.getNode(ISD::SEXTLOAD, MVT::i64, Chain, NP, DAG.getSrcValue(NULL), + MVT::i32); + Result = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, Val.getValue(1), + Val, Dest, DAG.getSrcValue(NULL), MVT::i32); return std::make_pair(Result, Result); }