RFR: 8281375: Accelerate bitCount operation for AVX2 and AVX512 target. [v6]

[Jatin Bhateja]

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: Fix a typo.
>
> 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

Hi @neliasso, reviewers, just want to check if any other modification needed here. Regards, Jatin

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