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| author | Jim Laskey <jlaskey@mac.com> | 2006-08-25 19:40:59 +0000 |
|---|---|---|
| committer | Jim Laskey <jlaskey@mac.com> | 2006-08-25 19:40:59 +0000 |
| commit | 4c2c9031acd1314440cdd0952182fa39b4efe90d (patch) | |
| tree | f6b4fd80427f53b09670610d1fe093e2c37cb04f /lib/Target/PowerPC/PPCRegisterInfo.cpp | |
| parent | 3d3d404b8a22c9e105bdc54bef24fb1dd7c5ad87 (diff) | |
| download | llvm-4c2c9031acd1314440cdd0952182fa39b4efe90d.tar.gz llvm-4c2c9031acd1314440cdd0952182fa39b4efe90d.tar.bz2 llvm-4c2c9031acd1314440cdd0952182fa39b4efe90d.tar.xz | |
Fix some comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29880 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp index a6c52bf398..d0a21e661a 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.cpp +++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp @@ -673,7 +673,10 @@ void PPCRegisterInfo::emitPrologue(MachineFunction &MF) const { MachineLocation Src(MachineLocation::VirtualFP, NegNumbytes); 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); + + } // 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) const { - // Initial state is the frame pointer is R1. + // Initial state of the frame pointer is R1. MachineLocation Dst(MachineLocation::VirtualFP); MachineLocation Src(PPC::R1, 0); Moves.push_back(new MachineMove(0, Dst, Src)); |