RFR: 8287794: Reverse*VNode::Identity problem [v2]

Tobias Hartmann thartmann at openjdk.org
Tue Jul 26 10:36:25 UTC 2022


On Mon, 25 Jul 2022 05:29:05 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Hi All,
>> 
>> - This bug fix patch fixes a missing case during reverse[bits|bytes] identity transformation.
>> - Unlike AARCH64(SVE), X86(AVX512) ISA has no direct instruction to reverse[bits|bytes] of a vector lane hence a predicated operation is supported through blend instruction.
>> - New IR framework based tests has been added to test transforms relevant to AVX2, AVX512 and SVE.
>> 
>> Kindly review and share your feedback.
>> 
>> Best Regards,
>> Jatin
>
> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8287794: Review comments resolved.

All tests passed.

-------------

PR: https://git.openjdk.org/jdk/pull/9623


More information about the hotspot-compiler-dev mailing list