RFR: 8261553: Efficient mask generation using BMI2 BZHI instruction [v3]

[Claes Redestad]

On Mon, 15 Feb 2021 18:55:02 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 : Aligning main copy loop to prevent any penalty due to LSD and DSB misses.

Marked as reviewed by redestad (Reviewer).

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