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

[Srinivas Vamsi Parasa]

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!

This pull request has now been integrated.

Changeset: 8f284e3d
Author:    Srinivas Vamsi Parasa <sparasa at openjdk.org>
Committer: Paul Hohensee <phh at openjdk.org>
URL:       https://git.openjdk.org/jdk25u/commit/8f284e3d299da27ead43b5801321d3a75e9af2fe
Stats:     3085 lines in 4 files changed: 518 ins; 169 del; 2398 mod

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

Backport-of: c41add8d3e24be5f469f18cfbf0f476f2baf63a6

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PR: https://git.openjdk.org/jdk25u/pull/328