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

[Hamlin Li]

On Thu, 18 Apr 2024 08:03:15 GMT, Ludovic Henry <luhenry at openjdk.org> wrote:

>> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix comment; minor refinement
>
> Marked as reviewed by luhenry (Committer).

Thanks @luhenry @RealFYang for your reviewing.

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PR Comment: https://git.openjdk.org/jdk/pull/18758#issuecomment-2063616448