RFR: 8327794: RISC-V: enable extension features based on impid (Rivos specific change) [v2]

[Guoxiong Li]

On Mon, 11 Mar 2024 13:13:23 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> Hi,
>> Can you review the patch? it enables extension features based on impid.
>> Thanks!
>
> Hamlin Li has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'master' into march-mimp-ids
>  - Initial commit

Marked as reviewed by gli (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/18191#pullrequestreview-1927851012