RFR: 8338727: RISC-V: Avoid synthetic data dependency in nmethod barrier on Ztso [v2]

[Fei Yang]

On Mon, 26 Aug 2024 06:24:15 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

>> Hi please consider,
>> 
>> On TSO we don't need the synthetic data dependency in between the loads.
>> Also added some comment about this.
>> 
>> Sanity tested
>
> Robbin Ehn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Comment update

Looks good. Thanks for the update.

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/20661#pullrequestreview-2259870642