[vectorIntrinsics] RFR: 8281562:[vectorapi] Add support for popcount operation [v2]

[Xiaohong Gong]

On Wed, 16 Feb 2022 07:14:59 GMT, Smita Kamath <svkamath at openjdk.org> wrote:

>> 8281562:[vectorapi] Add support for popcount operation
>
> Smita Kamath has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fixed review comments. Added test case to the test framework

Is there a followed-up PR to intrinsify the new added opcodes in hotspot? Thanks!

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PR: https://git.openjdk.java.net/panama-vector/pull/173