RFR: 8332533: RISC-V: Enable vector variable shift instructions for machines with RVV [v3]

[Gui Cao]

On Tue, 21 May 2024 02:34:13 GMT, Fei Yang <fyang at openjdk.org> wrote:

>> Gui Cao 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 three additional commits since the last revision:
>> 
>>  - Merge remote-tracking branch 'upstream/master' into JDK-8332533
>>  - Remove constexpr in Matcher::supports_vector_variable_shifts
>>  - 8332533: RISC-V: Enable Matcher::supports_vector_variable_shifts with UseRVV
>
> Looks good. Thanks.

@RealFYang @Hamlin-Li : Thanks for the review.

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PR Comment: https://git.openjdk.org/jdk/pull/19313#issuecomment-2123962374