424     Register object_reg, Register holder_reg, Register scratch1,  in CheckPrototypes()  argument
430   DCHECK(!scratch1.is(object_reg) && !scratch1.is(holder_reg));  in CheckPrototypes()
431   DCHECK(!scratch2.is(object_reg) && !scratch2.is(holder_reg) &&  in CheckPrototypes()
509         __ LoadP(holder_reg, FieldMemOperand(scratch1, Map::kPrototypeOffset));  in CheckPrototypes()
526         __ LoadP(holder_reg, FieldMemOperand(map_reg, Map::kPrototypeOffset));  in CheckPrototypes()
530     reg = holder_reg;  // From now on the object will be in holder_reg.  in CheckPrototypes()
643     LookupIterator* it, Register holder_reg) {  in GenerateLoadInterceptorWithFollowup()  argument
650   DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1()));  in GenerateLoadInterceptorWithFollowup()
659       !receiver().is(holder_reg) &&  in GenerateLoadInterceptorWithFollowup()
667       __ Push(receiver(), holder_reg, this->name());  in GenerateLoadInterceptorWithFollowup()
669       __ Push(holder_reg, this->name());  in GenerateLoadInterceptorWithFollowup()
671     InterceptorVectorSlotPush(holder_reg);  in GenerateLoadInterceptorWithFollowup()
676         masm(), receiver(), holder_reg, this->name(), holder(),  in GenerateLoadInterceptorWithFollowup()
689     InterceptorVectorSlotPop(holder_reg);  in GenerateLoadInterceptorWithFollowup()
691     __ pop(holder_reg);  in GenerateLoadInterceptorWithFollowup()
698   GenerateLoadPostInterceptor(it, holder_reg);  in GenerateLoadInterceptorWithFollowup()
702 void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {  in GenerateLoadInterceptor()  argument
706   PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),  in GenerateLoadInterceptor()
716   Register holder_reg = Frontend(name);  in CompileStoreCallback()  local
718   __ Push(receiver(), holder_reg);  // receiver  in CompileStoreCallback()