diff options
Diffstat (limited to 'contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp b/contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp index 0ac2ced..407fdc6 100644 --- a/contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp +++ b/contrib/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp @@ -299,7 +299,7 @@ void PPCFrameLowering::replaceFPWithRealFP(MachineFunction &MF) const { const PPCRegisterInfo *RegInfo = static_cast<const PPCRegisterInfo*>(MF.getTarget().getRegisterInfo()); bool HasBP = RegInfo->hasBasePointer(MF); - unsigned BPReg = HasBP ? (unsigned) PPC::R30 : FPReg; + unsigned BPReg = HasBP ? (unsigned) RegInfo->getBaseRegister(MF): FPReg; unsigned BP8Reg = HasBP ? (unsigned) PPC::X30 : FPReg; for (MachineFunction::iterator BI = MF.begin(), BE = MF.end(); @@ -344,6 +344,7 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const { DebugLoc dl; bool needsFrameMoves = MMI.hasDebugInfo() || MF.getFunction()->needsUnwindTableEntry(); + bool isPIC = MF.getTarget().getRelocationModel() == Reloc::PIC_; // Get processor type. bool isPPC64 = Subtarget.isPPC64(); @@ -387,7 +388,7 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const { bool HasBP = RegInfo->hasBasePointer(MF); unsigned SPReg = isPPC64 ? PPC::X1 : PPC::R1; - unsigned BPReg = isPPC64 ? PPC::X30 : PPC::R30; + unsigned BPReg = RegInfo->getBaseRegister(MF); unsigned FPReg = isPPC64 ? PPC::X31 : PPC::R31; unsigned LRReg = isPPC64 ? PPC::LR8 : PPC::LR; unsigned ScratchReg = isPPC64 ? PPC::X0 : PPC::R0; @@ -442,7 +443,9 @@ void PPCFrameLowering::emitPrologue(MachineFunction &MF) const { BPOffset = FFI->getObjectOffset(BPIndex); } else { BPOffset = - PPCFrameLowering::getBasePointerSaveOffset(isPPC64, isDarwinABI); + PPCFrameLowering::getBasePointerSaveOffset(isPPC64, + isDarwinABI, + isPIC); } } @@ -675,6 +678,7 @@ void PPCFrameLowering::emitEpilogue(MachineFunction &MF, // Get the ABI. bool isDarwinABI = Subtarget.isDarwinABI(); bool isSVR4ABI = Subtarget.isSVR4ABI(); + bool isPIC = MF.getTarget().getRelocationModel() == Reloc::PIC_; // Check if the link register (LR) has been saved. PPCFunctionInfo *FI = MF.getInfo<PPCFunctionInfo>(); @@ -685,7 +689,7 @@ void PPCFrameLowering::emitEpilogue(MachineFunction &MF, bool HasBP = RegInfo->hasBasePointer(MF); unsigned SPReg = isPPC64 ? PPC::X1 : PPC::R1; - unsigned BPReg = isPPC64 ? PPC::X30 : PPC::R30; + unsigned BPReg = RegInfo->getBaseRegister(MF); unsigned FPReg = isPPC64 ? PPC::X31 : PPC::R31; unsigned ScratchReg = isPPC64 ? PPC::X0 : PPC::R0; unsigned TempReg = isPPC64 ? PPC::X12 : PPC::R12; // another scratch reg @@ -725,7 +729,9 @@ void PPCFrameLowering::emitEpilogue(MachineFunction &MF, BPOffset = FFI->getObjectOffset(BPIndex); } else { BPOffset = - PPCFrameLowering::getBasePointerSaveOffset(isPPC64, isDarwinABI); + PPCFrameLowering::getBasePointerSaveOffset(isPPC64, + isDarwinABI, + isPIC); } } @@ -902,6 +908,7 @@ PPCFrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, int FPSI = FI->getFramePointerSaveIndex(); bool isPPC64 = Subtarget.isPPC64(); bool isDarwinABI = Subtarget.isDarwinABI(); + bool isPIC = MF.getTarget().getRelocationModel() == Reloc::PIC_; MachineFrameInfo *MFI = MF.getFrameInfo(); // If the frame pointer save index hasn't been defined yet. @@ -916,7 +923,7 @@ PPCFrameLowering::processFunctionBeforeCalleeSavedScan(MachineFunction &MF, int BPSI = FI->getBasePointerSaveIndex(); if (!BPSI && RegInfo->hasBasePointer(MF)) { - int BPOffset = getBasePointerSaveOffset(isPPC64, isDarwinABI); + int BPOffset = getBasePointerSaveOffset(isPPC64, isDarwinABI, isPIC); // Allocate the frame index for the base pointer save area. BPSI = MFI->CreateFixedObject(isPPC64? 8 : 4, BPOffset, true); // Save the result. |
