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;
}