diff options
Diffstat (limited to 'lib/Target/Mips/MipsFrameLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsFrameLowering.cpp | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/lib/Target/Mips/MipsFrameLowering.cpp b/lib/Target/Mips/MipsFrameLowering.cpp index a0f90a0..22d1e47 100644 --- a/lib/Target/Mips/MipsFrameLowering.cpp +++ b/lib/Target/Mips/MipsFrameLowering.cpp @@ -254,9 +254,15 @@ void MipsFrameLowering::emitPrologue(MachineFunction &MF) const { } // Restore GP from the saved stack location - if (MipsFI->needGPSaveRestore()) - BuildMI(MBB, MBBI, dl, TII.get(Mips::CPRESTORE)) - .addImm(MFI->getObjectOffset(MipsFI->getGPFI())); + if (MipsFI->needGPSaveRestore()) { + unsigned Offset = MFI->getObjectOffset(MipsFI->getGPFI()); + BuildMI(MBB, MBBI, dl, TII.get(Mips::CPRESTORE)).addImm(Offset); + + if (Offset >= 0x8000) { + BuildMI(MBB, llvm::prior(MBBI), dl, TII.get(Mips::MACRO)); + BuildMI(MBB, MBBI, dl, TII.get(Mips::NOMACRO)); + } + } } void MipsFrameLowering::emitEpilogue(MachineFunction &MF, @@ -300,13 +306,6 @@ void MipsFrameLowering::emitEpilogue(MachineFunction &MF, } } -void -MipsFrameLowering::getInitialFrameState(std::vector<MachineMove> &Moves) const { - MachineLocation Dst(MachineLocation::VirtualFP); - MachineLocation Src(Mips::SP, 0); - Moves.push_back(MachineMove(0, Dst, Src)); -} - void MipsFrameLowering:: processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS) const { |
