428     Register object_reg, Register holder_reg, Register scratch1,  in CheckPrototypes()  argument
434   DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg));  in CheckPrototypes()
435   DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) &&  in CheckPrototypes()
487     reg = holder_reg;  // From now on the object will be in holder_reg.  in CheckPrototypes()
544     LookupIterator* it, Register holder_reg) {  in GenerateLoadInterceptorWithFollowup()  argument
551   DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1()));  in GenerateLoadInterceptorWithFollowup()
560       !receiver().is(holder_reg) &&  in GenerateLoadInterceptorWithFollowup()
571     __ Push(holder_reg);  in GenerateLoadInterceptorWithFollowup()
573     InterceptorVectorSlotPush(holder_reg);  in GenerateLoadInterceptorWithFollowup()
579         masm(), receiver(), holder_reg, this->name(), holder(),  in GenerateLoadInterceptorWithFollowup()
591     InterceptorVectorSlotPop(holder_reg);  in GenerateLoadInterceptorWithFollowup()
593     __ Pop(holder_reg);  in GenerateLoadInterceptorWithFollowup()
601   GenerateLoadPostInterceptor(it, holder_reg);  in GenerateLoadInterceptorWithFollowup()
605 void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {  in GenerateLoadInterceptor()  argument
610   PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),  in GenerateLoadInterceptor()
624   Register holder_reg = Frontend(name);  in CompileStoreCallback()  local
628   __ Push(holder_reg);  in CompileStoreCallback()