RFR: 8281375: Accelerate bitCount operation for AVX2 and AVX512 target. [v8]

Tue Mar 8 18:05:07 UTC 2022

On Tue, 8 Feb 2022 09:01:30 GMT, Nils Eliasson <neliasso at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8281375: Review comments resolved.
>
> Hi Jatin, nice work!
> 
> One quick comment - the _vector_popcount_lut it's generated unconditionally - could you guard it so that it's only generated when it can be used? My preferred choice would to be have it be generated lazily, but that's an enhancement all of it's own.
> 
> Best regards,
> Nils

@neliasso Could you please review and approve the patch if it looks ok to you? Jatin has incorporated changes suggested by you earlier. Paul Sandoz has tested the patch.

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PR: https://git.openjdk.java.net/jdk/pull/7373