412     Register object_reg, Register holder_reg, Register scratch1,  in CheckPrototypes()  argument
418   DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg));  in CheckPrototypes()
419   DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) &&  in CheckPrototypes()
468     reg = holder_reg;  // From now on the object will be in holder_reg.  in CheckPrototypes()
522     LookupIterator* it, Register holder_reg) {  in GenerateLoadInterceptorWithFollowup()  argument
529   DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1()));  in GenerateLoadInterceptorWithFollowup()
538       !receiver().is(holder_reg) &&  in GenerateLoadInterceptorWithFollowup()
546       __ Push(receiver(), holder_reg, this->name());  in GenerateLoadInterceptorWithFollowup()
548       __ Push(holder_reg, this->name());  in GenerateLoadInterceptorWithFollowup()
550     InterceptorVectorSlotPush(holder_reg);  in GenerateLoadInterceptorWithFollowup()
555         masm(), receiver(), holder_reg, this->name(), holder(),  in GenerateLoadInterceptorWithFollowup()
567     InterceptorVectorSlotPop(holder_reg);  in GenerateLoadInterceptorWithFollowup()
569     __ Pop(holder_reg);  in GenerateLoadInterceptorWithFollowup()
576   GenerateLoadPostInterceptor(it, holder_reg);  in GenerateLoadInterceptorWithFollowup()
579 void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {  in GenerateLoadInterceptor()  argument
583   PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),  in GenerateLoadInterceptor()
596   Register holder_reg = Frontend(name);  in CompileStoreCallback()  local
598   __ Push(receiver(), holder_reg);  // receiver  in CompileStoreCallback()