diff options
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 2c6810c..e39040a 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -1086,6 +1086,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG, MVT::ValueType PtrVT = DAG.getTargetLoweringInfo().getPointerTy(); bool isPPC64 = PtrVT == MVT::i64; + unsigned PtrByteSize = isPPC64 ? 8 : 4; unsigned ArgOffset = PPCFrameInfo::getLinkageSize(isPPC64); @@ -1128,7 +1129,7 @@ static SDOperand LowerFORMAL_ARGUMENTS(SDOperand Op, SelectionDAG &DAG, default: assert(0 && "Unhandled argument type!"); case MVT::i32: // All int arguments reserve stack space. - ArgOffset += isPPC64 ? 8 : 4; + ArgOffset += PtrByteSize; if (GPR_idx != Num_GPR_Regs) { unsigned VReg = RegMap->createVirtualRegister(&PPC::GPRCRegClass); @@ -1266,6 +1267,7 @@ static SDNode *isBLACompatibleAddress(SDOperand Op, SelectionDAG &DAG) { return DAG.getConstant((int)C->getValue() >> 2, MVT::i32).Val; } +#include <iostream> static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG) { SDOperand Chain = Op.getOperand(0); @@ -1287,8 +1289,11 @@ static SDOperand LowerCALL(SDOperand Op, SelectionDAG &DAG) { unsigned NumBytes = PPCFrameInfo::getLinkageSize(isPPC64); // Add up all the space actually used. - for (unsigned i = 0; i != NumOps; ++i) - NumBytes += MVT::getSizeInBits(Op.getOperand(5+2*i).getValueType())/8; + for (unsigned i = 0; i != NumOps; ++i) { + unsigned ArgSize =MVT::getSizeInBits(Op.getOperand(5+2*i).getValueType())/8; + ArgSize = std::max(ArgSize, PtrByteSize); + NumBytes += ArgSize; + } // The prolog code of the callee may store up to 8 GPR argument registers to // the stack, allowing va_start to index over them in memory if its varargs. |