RFR: 8365799: AArch64: Remove trailing DMB from cmpxchgptr for LSE [v2]

Thu Aug 21 08:16:53 UTC 2025

On Wed, 20 Aug 2025 14:33:43 GMT, Samuel Chee <duke at openjdk.org> wrote:

> * We close this pr
> 
> * Open new one which removes the methods `MacroAssembler::cmpxchg_obj_header`, `MacroAssembler::cmpxchgptr` and `MacroAssembler::cmpxchgw` completely since they are no longer called to from anywhere.

If you like, although we can (and we should) tidy up as we go along.

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PR Comment: https://git.openjdk.org/jdk/pull/26845#issuecomment-3209493737