diff options
| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-01-25 04:19:22 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-01-25 04:19:22 +0000 |
| commit | 4bd73cac6abf8afa291f0e37e2240835fc1d08f0 (patch) | |
| tree | 85b3e08f82dc411827c653bf0d251cad787040e2 | |
| parent | de5a0b65c27cc82300d3046fb9c119b8b524aa81 (diff) | |
Mark 64-bit register RA_64 unused too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148918 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/Mips/MipsFrameLowering.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/Target/Mips/MipsFrameLowering.cpp b/lib/Target/Mips/MipsFrameLowering.cpp index dda20c5c21..9ca69de0e4 100644 --- a/lib/Target/Mips/MipsFrameLowering.cpp +++ b/lib/Target/Mips/MipsFrameLowering.cpp @@ -322,7 +322,6 @@ void MipsFrameLowering:: processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS) const { MachineRegisterInfo& MRI = MF.getRegInfo(); - unsigned RA = STI.isABI_N64() ? Mips::RA_64 : Mips::RA; unsigned FP = STI.isABI_N64() ? Mips::FP_64 : Mips::FP; // FIXME: remove this code if register allocator can correctly mark @@ -338,7 +337,9 @@ processFunctionBeforeCalleeSavedScan(MachineFunction &MF, // To correct this, $ra is explicitly marked unused if there is no // function call. if (MF.getFrameInfo()->hasCalls()) - MRI.setPhysRegUsed(RA); - else - MRI.setPhysRegUnused(RA); + MRI.setPhysRegUsed(Mips::RA); + else { + MRI.setPhysRegUnused(Mips::RA); + MRI.setPhysRegUnused(Mips::RA_64); + } } |