diff options
Diffstat (limited to 'lib/Target/PowerPC/PPC64ISelPattern.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPC64ISelPattern.cpp | 40 |
1 files changed, 27 insertions, 13 deletions
diff --git a/lib/Target/PowerPC/PPC64ISelPattern.cpp b/lib/Target/PowerPC/PPC64ISelPattern.cpp index 1d528a9a5b..20fd724444 100644 --- a/lib/Target/PowerPC/PPC64ISelPattern.cpp +++ b/lib/Target/PowerPC/PPC64ISelPattern.cpp @@ -98,12 +98,16 @@ namespace { SelectionDAG &DAG); virtual std::pair<SDOperand, SDOperand> - LowerVAStart(SDOperand Chain, SelectionDAG &DAG); + LowerVAStart(SDOperand Chain, SelectionDAG &DAG, SDOperand Dest); virtual std::pair<SDOperand,SDOperand> - LowerVAArgNext(bool isVANext, SDOperand Chain, SDOperand VAList, + LowerVAArgNext(SDOperand Chain, SDOperand VAList, const Type *ArgTy, SelectionDAG &DAG); + virtual std::pair<SDOperand,SDOperand> + LowerVACopy(SDOperand Chain, SDOperand Src, SDOperand Dest, + SelectionDAG &DAG); + virtual std::pair<SDOperand, SDOperand> LowerFrameReturnAddress(bool isFrameAddr, SDOperand Chain, unsigned Depth, SelectionDAG &DAG); @@ -365,26 +369,36 @@ PPC64TargetLowering::LowerCallTo(SDOperand Chain, } std::pair<SDOperand, SDOperand> -PPC64TargetLowering::LowerVAStart(SDOperand Chain, SelectionDAG &DAG) { - //vastart just returns the address of the VarArgsFrameIndex slot. - return std::make_pair(DAG.getFrameIndex(VarArgsFrameIndex, MVT::i64), Chain); +PPC64TargetLowering::LowerVAStart(SDOperand Chain, SelectionDAG &DAG, SDOperand Dest) { + // vastart just stores the address of the VarArgsFrameIndex slot. + SDOperand FR = DAG.getFrameIndex(VarArgsFrameIndex, MVT::i64); + SDOperand Result = DAG.getNode(ISD::STORE, MVT::Other, Chain, FR, Dest, DAG.getSrcValue(NULL)); + return std::make_pair(Result, Result); } std::pair<SDOperand,SDOperand> PPC64TargetLowering:: -LowerVAArgNext(bool isVANext, SDOperand Chain, SDOperand VAList, +LowerVAArgNext(SDOperand Chain, SDOperand VAList, const Type *ArgTy, SelectionDAG &DAG) { MVT::ValueType ArgVT = getValueType(ArgTy); SDOperand Result; - if (!isVANext) { - Result = DAG.getLoad(ArgVT, DAG.getEntryNode(), VAList, - DAG.getSrcValue(NULL)); - } else { - Result = DAG.getNode(ISD::ADD, VAList.getValueType(), VAList, - DAG.getConstant(8, VAList.getValueType())); - } + SDOperand Val = DAG.getLoad(MVT::i64, Chain, VAList, DAG.getSrcValue(NULL)); + Result = DAG.getLoad(ArgVT, Val.getValue(1), Val, DAG.getSrcValue(NULL)); + Val = DAG.getNode(ISD::ADD, VAList.getValueType(), Val, + DAG.getConstant(8, VAList.getValueType())); + Chain = DAG.getNode(ISD::STORE, MVT::Other, Chain, + Val, VAList, DAG.getSrcValue(NULL)); return std::make_pair(Result, Chain); } +std::pair<SDOperand,SDOperand> +PPC64TargetLowering::LowerVACopy(SDOperand Chain, SDOperand Src, + SDOperand Dest, SelectionDAG &DAG) +{ + SDOperand Result = DAG.getNode(ISD::STORE, MVT::Other, Chain, + Src, Dest, DAG.getSrcValue(NULL)); + return std::make_pair(Result, Result); +} + std::pair<SDOperand, SDOperand> PPC64TargetLowering:: LowerFrameReturnAddress(bool isFrameAddress, SDOperand Chain, unsigned Depth, |