Integrated: 8371205: AArch64: Remove unused cmpxchg* methods

[Ruben]

On Tue, 4 Nov 2025 13:41:04 GMT, Ruben <duke at openjdk.org> wrote:

> Since JDK-8364406, the AArch64 macroAssembler method cmpxchg_obj_header is no longer used. The method cmpxchgptr is used by cmpxchg_obj_header however is not used by any other method so can be removed alongside cmpxchgptr.
> cmpxchgw is also unused and can be removed.

This pull request has now been integrated.

Changeset: c9a98169
Author:    Samuel Chee <samche01 at arm.com>
Committer: Fei Gao <fgao at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/c9a98169cb79df235316cb38a804d539044ea57e
Stats:     101 lines in 2 files changed: 0 ins; 101 del; 0 mod

8371205: AArch64: Remove unused cmpxchg* methods

Co-authored-by: Samuel Chee <samche01 at arm.com>
Reviewed-by: aph, kbarrett, haosun

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PR: https://git.openjdk.org/jdk/pull/28131