AARCH64: 8064611: Changes to HotSpot shared code

[Vladimir Kozlov]

For these changes lets generate them as you did until now and rework 
this later.

Thanks,
Vladimir

On 11/18/14 1:38 AM, Andrew Haley wrote:
> On 17/11/14 20:55, Vladimir Kozlov wrote:
>> library_call.cpp:
>>
>> Please, add a comments.
>> And why MemBarAcquire is not generated here for volatile loads on
>> aarch64? In parse3.cpp we still do.
>
> Okay.
>
> I've been thinking about that.  In aarch64.ad I elide an unnecessary
> MemBarAcquire (by looking at the ideal graph).  This is something of a
> kludge, and perhaps it would be better not to generate it in the first
> place.  What do you think?
>
> Thanks,
> Andrew.
>