RFR: 8351016: RA support for EVEX to REX/REX2 demotion to optimize NDD instructions [v23]

[Jatin Bhateja]

On Mon, 1 Dec 2025 02:57:51 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Jatin Bhateja has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 21 commits:
>> 
>>  - Merge branch 'master' of http://github.com/openjdk/jdk into JDK-8351016
>>  - Incorporating polished comments suggestions from Daniel
>>  - Review comments resolution
>>  - Review comments resolutions
>>  - Review comments resolution
>>  - Extending biasing heuristics to account for bias range with minimum degree of freedom. Review feedback incorporated.
>>  - Generic operand traversal and sharpening candidate selection based on RegisterMask and non-interference. Review feedback incorporated
>>  - Review comments resolution
>>  - Review comments resolutions
>>  - Moving demotion candidate marking to AD file, review comments resolutions
>>  - ... and 11 more: https://git.openjdk.org/jdk/compare/1ce2a44e...93577b83
>
> Marked as reviewed by vlivanov (Reviewer).

Thanks @iwanowww , @dean-long, @dlunde , @merykitty and @sviswa7  for your reviews and approval

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PR Comment: https://git.openjdk.org/jdk/pull/26283#issuecomment-3594672542