RFR: 8351101: RISC-V: C2: Small improvement to MacroAssembler::revb [v2]

[Fei Yang]

On Tue, 4 Mar 2025 06:05:27 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Fei Yang 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 JDK-8351101
>>  - 8351101: RISC-V: C2: Small improvement to MacroAssembler::revb
>
> Looks fine.

@feilongjiang @Hamlin-Li : Thanks! GHA is clean now.

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PR Comment: https://git.openjdk.org/jdk/pull/23879#issuecomment-2699574791