[vectorIntrinsics+compress] RFR: 8274837: Intel backend support for compress VectorAPI [v2]

[Sandhya Viswanathan]

On Thu, 7 Oct 2021 10:12:42 GMT, Joshua Zhu <jzhu at openjdk.org> wrote:

>> I separate my implementation of "compress" API into several patches for easy review.
>> This patch is the change in backend used to support vector-to-vector compress API.
>> ByteVector and ShortVector are supported in AVX512vbmi2.
>
> Joshua Zhu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update

Looks good to me.

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Marked as reviewed by sviswanathan (Committer).

PR: https://git.openjdk.java.net/panama-vector/pull/144