RFR: 8321648: Integral gather optimized mask computation.

Thu Dec 14 08:32:38 UTC 2023

On Mon, 11 Dec 2023 07:26:31 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

> Hi,
> 
> This bug fix patch optimizes integral gather mask computation using cheaper instruction and fixes incorrect instruction attributes in legacy integral gather instructions.
> 
> All Vector API JTREG tests are passing with this at various AVX levels.
> 
> Kindly review and share feedback.
> 
> Best Regards,
> Jatin

Okay, so if I understand correctly, since these instructions are always VEX encoded, the VL set to true does not make a difference and should not lead to failures, correct?

Looks reasonable to me but someone more experienced with this should have a look as well.

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/17048#pullrequestreview-1781287642