RFR: 8330094: RISC-V: Save and restore FRM in the call stub [v4]

[Fei Yang]

On Wed, 17 Apr 2024 07:08:27 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> Hi,
>> Can you help to review this patch?
>> As discussed at https://github.com/openjdk/jdk/pull/17745#discussion_r1558783467, we should do the similar thing as [JDK-8319973](https://bugs.openjdk.org/browse/JDK-8319973) on aarch64.
>> Thanks!
>> 
>> Tests running ...
>
> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix comment; minor refinement

Marked as reviewed by fyang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/18758#pullrequestreview-2007722718