RFR: 8367478: Improve UseAVX setting and add cpu descriptions for zhaoxin processors [v3]

[David Holmes]

On Sun, 4 Jan 2026 10:07:31 GMT, Vic Wang <duke at openjdk.org> wrote:

>> Here is the patch that improving the UseAVX setting and add cpu descriptions for zhaoxin processors.
>> Can you help to review this patch?
>> Thank you!
>
> Vic Wang has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains two new commits since the last revision:
> 
>  - Move cpu_model_id to the zx-specific if branch.
>  - Improve UseAVX setting and add cpu descriptions for zhaoxin processors.

I obviously do not know the specifics of the ZX processors, but as this only affects ZX and you represent the "owners" of ZX processors, then this change seems fine to me.

Somehow this escaped my notice last year - apologies for that.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27241#pullrequestreview-3628974731