Remove runtime storeval barrier

[Aleksey Shipilev]

On 03/19/2018 12:00 PM, Roman Kennke wrote:
> Am 19.03.2018 um 11:59 schrieb Aleksey Shipilev:
>> On 03/19/2018 11:55 AM, Roman Kennke wrote:
>>> The storeval_barrier() in BarrierSet is no longer used. It's all covered
>>> by the Access API now. Let's remove the API. I'll keep the
>>> ShenandoahBarrierSet part for internal use.
>>>
>>> diff --git a/src/hotspot/share/gc/shared/barrierSet.hpp
>>> b/src/hotspot/share/gc/shared/barrierSet.hpp
>>> --- a/src/hotspot/share/gc/shared/barrierSet.hpp
>>> +++ b/src/hotspot/share/gc/shared/barrierSet.hpp
>>> @@ -137,9 +137,6 @@
>>>    virtual oop write_barrier(oop src) {
>>>      return src;
>>>    }
>>> -  virtual oop storeval_barrier(oop src) {
>>> -    return src;
>>> -  }
>>>
>>>    virtual void keep_alive_barrier(oop obj) {
>>>      // Default impl does nothing.
>>>
>>>
>>> Ok?
>>
>> OK!
>>
>> What about this?
>>
>>   virtual void interpreter_storeval_barrier(MacroAssembler* masm, Register dst, Register tmp) {
>>     // Default implementation does nothing.
>>   }
>>
> 
> This needs to wait for CodeGen part of the BarrierSet API.

Ok then.

-Aleksey