[jdk25u] RFR: 8354348: Enable Extended EVEX to REX2/REX demotion for commutative operations with same dst and src2

[duke]

On Mon, 20 Oct 2025 16:43:40 GMT, Srinivas Vamsi Parasa <sparasa at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [c41add8d](https://github.com/openjdk/jdk/commit/c41add8d3e24be5f469f18cfbf0f476f2baf63a6) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Srinivas Vamsi Parasa on 16 Sep 2025 and was reviewed by Jatin Bhateja, Emanuel Peter and Sandhya Viswanathan.
> 
> Thanks!

@vamsi-parasa 
Your change (at version 1ed38ac5688bedced5f8f1b1bce50cbe097d4dd1) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk25u/pull/328#issuecomment-3438224290