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Fix some comments. 

llvm-svn: 29880
This commit is contained in:
Jim Laskey 2006-08-25 19:40:59 +00:00
parent f8bf1e6034
commit d51ce619c3
1 changed files with 4 additions and 1 deletions
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5
llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
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@ -673,7 +673,10 @@ void PPCRegisterInfo::emitPrologue(MachineFunction &MF) const {
MachineLocation Src(MachineLocation::VirtualFP, NegNumbytes); MachineLocation Src(MachineLocation::VirtualFP, NegNumbytes);
Moves.push_back(new MachineMove(LabelID, Dst, Src)); Moves.push_back(new MachineMove(LabelID, Dst, Src));
// Mark effective beginning of when frame pointer becomes valid.
BuildMI(MBB, MBBI, PPC::DWARF_LABEL, 1).addImm(LabelID); BuildMI(MBB, MBBI, PPC::DWARF_LABEL, 1).addImm(LabelID);
} }
// If there is a frame pointer, copy R1 (SP) into R31 (FP) // If there is a frame pointer, copy R1 (SP) into R31 (FP)
@ -727,7 +730,7 @@ unsigned PPCRegisterInfo::getFrameRegister(MachineFunction &MF) const {
void PPCRegisterInfo::getInitialFrameState(std::vector<MachineMove *> &Moves) void PPCRegisterInfo::getInitialFrameState(std::vector<MachineMove *> &Moves)
const { const {
// Initial state is the frame pointer is R1. // Initial state of the frame pointer is R1.
MachineLocation Dst(MachineLocation::VirtualFP); MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(PPC::R1, 0); MachineLocation Src(PPC::R1, 0);
Moves.push_back(new MachineMove(0, Dst, Src)); Moves.push_back(new MachineMove(0, Dst, Src));