diff options
Diffstat (limited to 'lib/Target/Mips/MipsTargetMachine.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsTargetMachine.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp index 25211d472f..a318f81352 100644 --- a/lib/Target/Mips/MipsTargetMachine.cpp +++ b/lib/Target/Mips/MipsTargetMachine.cpp @@ -96,7 +96,10 @@ addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel) bool MipsTargetMachine:: addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) { - PM.add(createMipsEmitGPRestorePass(*this)); + // Do not restore $gp if target is Mips64. + // In N32/64, $gp is a callee-saved register. + if (!Subtarget.hasMips64()) + PM.add(createMipsEmitGPRestorePass(*this)); return true; } |