RFR: 8261553: Efficient mask generation using BMI2 BZHI instruction [v2]

Jatin Bhateja jbhateja at openjdk.java.net
Wed Feb 17 08:31:39 UTC 2021


On Tue, 16 Feb 2021 21:40:58 GMT, Nils Eliasson <neliasso at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8261553: Adding BMI2 missing check for partial in-lining.
>
> Looks good.

> Thanks for getting to the bottom of that regression.

Thanks, since there is not a significant impact on performance, but having an optimum instruction sequence will still reduce the complexity. Should it be ok to check this in ?  We have one reviewer consent.

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PR: https://git.openjdk.java.net/jdk/pull/2522


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