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Read/write the offset value for stack-relative loads via correct instr operand.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14722 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-07-09 15:37:16 +00:00
parent ce22e76996
commit c1ef127ae2
1 changed files with 5 additions and 7 deletions
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12
lib/Target/PowerPC/PowerPCRegisterInfo.cpp
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@ -153,21 +153,19 @@ PowerPCRegisterInfo::eliminateFrameIndex(MachineFunction &MF,
int FrameIndex = MI.getOperand(i).getFrameIndex();
// This must be part of a four operand memory reference. Replace the
// FrameIndex with base register with GPR1.
// Replace the FrameIndex with base register with GPR1.
MI.SetMachineOperandReg(i, PPC32::R1);
// Take into account whether its an add or mem instruction
if (i == 2) i--;
// Take into account whether it's an add or mem instruction
unsigned OffIdx = (i == 2) ? 1 : 2;
// Now add the frame object offset to the offset from r1.
int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex) +
MI.getOperand(i).getImmedValue()+4;
MI.getOperand(OffIdx).getImmedValue()+4;
if (!hasFP(MF))
Offset += MF.getFrameInfo()->getStackSize();
MI.SetMachineOperandConst(i, MachineOperand::MO_SignExtendedImmed, Offset);
MI.SetMachineOperandConst(OffIdx, MachineOperand::MO_SignExtendedImmed, Offset);
DEBUG(std::cerr << "offset = " << Offset << std::endl);
}