RFR: 8331577: RISC-V: C2 CountLeadingZerosV [v3]

[Fei Yang]

On Fri, 10 May 2024 07:10:15 GMT, Hamlin Li <mli at openjdk.org> wrote:

>> Hi,
>> Can you help to review this patch adding CountLeadingZerosV and CountTrailingZerosV instrinsics?
>> Thanks.
>
> Hamlin Li has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix masked ReverseBytesV & PopCountV by sharing dst&src regs

Marked as reviewed by fyang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/19153#pullrequestreview-2049557417