Changes in directory llvm/lib/Target/PowerPC:
PPCRegisterInfo.cpp updated: 1.74 -> 1.75
---
Log message:
Handle callee saved registers in dwarf frame info (lead up to exception
handling.)
---
Diffs of the changes: (+13 -6)
PPCRegisterInfo.cpp | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
Index: llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
diff -u llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.74
llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.75
--- llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.74 Fri Aug 25 14:40:59 2006
+++ llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp Tue Aug 29 11:24:26 2006
@@ -668,15 +668,22 @@
std::vector<MachineMove *> &Moves = DebugInfo->getFrameMoves();
unsigned LabelID = DebugInfo->NextLabelID();
- // Show update of SP.
- MachineLocation Dst(MachineLocation::VirtualFP);
- 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);
-
+ // Show update of SP.
+ MachineLocation SPDst(MachineLocation::VirtualFP);
+ MachineLocation SPSrc(MachineLocation::VirtualFP, NegNumbytes);
+ Moves.push_back(new MachineMove(LabelID, SPDst, SPSrc));
+
+ // Add callee saved registers to move list.
+ const std::vector<CalleeSavedInfo> &CSI = MFI->getCalleeSavedInfo();
+ for (unsigned I = 0, E = CSI.size(); I != E; ++I) {
+ MachineLocation CSDst(MachineLocation::VirtualFP,
+ MFI->getObjectOffset(CSI[I].getFrameIdx()));
+ MachineLocation CSSrc(CSI[I].getReg());
+ Moves.push_back(new MachineMove(LabelID, CSDst, CSSrc));
+ }
}
// If there is a frame pointer, copy R1 (SP) into R31 (FP)
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