RFR: 8261492: Shenandoah: reconsider forwardee accesses memory ordering [v2]

Thu Feb 11 18:11:43 UTC 2021

On Thu, 11 Feb 2021 16:18:30 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

>> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Make sure to access fwdptr with acquire semantics in assembler code
>
> Good to me.

Do we really need to change shenandoahBarrierSetAssembler_aarch64.cpp?
Address dependency ensures the ordering. Or is there anything missing?

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PR: https://git.openjdk.java.net/jdk/pull/2496