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| author | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-10-20 21:10:27 +0000 |
| commit | 7b3392326c40c3c20697816acae597ba7b3144eb (patch) | |
| tree | 2cbcf22585e99f8a87d12d5ff94f392c0d266819 /lib/Target/Mips/MipsFrameLowering.cpp | |
| parent | 1176aa52646fe641a4243a246aa7f960c708a274 (diff) | |
| download | FreeBSD-src-7b3392326c40c3c20697816acae597ba7b3144eb.zip FreeBSD-src-7b3392326c40c3c20697816acae597ba7b3144eb.tar.gz | |
Vendor import of llvm release_30 branch r142614:
http://llvm.org/svn/llvm-project/llvm/branches/release_30@142614
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 { |
