RFR 8225483: Shenandoah: Enhance native access barrier

[Zhengyu Gu]

On 6/12/19 4:32 AM, Aleksey Shipilev wrote:
> On 6/11/19 5:51 PM, Roman Kennke wrote:
>> Am 11. Juni 2019 16:25:21 MESZ schrieb Zhengyu Gu <zgu at redhat.com>:
>>      Updated: http://cr.openjdk.java.net/~zgu/JDK-8225483/webrev.02/
>>      Okay now?
> 
> I still do not like ASSERT around the declaration/definition. What prevents us from making that
> method available in both release/debug? That would certainly simplify debugging: we would execute
> the same code in both configurations.

Rebased on Roman's JDK-8226695 fix and made 
SHBS::oop_store_not_in_heap() available for both configurations, as 
suggested by Aleksey.

http://cr.openjdk.java.net/~zgu/JDK-8225483/webrev.03/

Reran hotspot_gc_shenandoah (fastdebug and release)

Thanks,

-Zhengyu


> 
> -Aleksey
>