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

Nils Eliasson neliasso at openjdk.java.net
Tue Feb 16 21:44:46 UTC 2021


On Thu, 11 Feb 2021 12:25:53 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> BMI2 BHZI instruction can be used to optimize the instruction sequence
>> used for mask generation at various place in array copy stubs and partial in-lining for small copy operations.
>
> 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.

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Marked as reviewed by neliasso (Reviewer).

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


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