RFR: 8367014: Rename class Atomic to AtomicAccess [v3]

[David Holmes]

On Thu, 11 Sep 2025 05:30:11 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Please review this change that renames the all-static class `Atomic` to
>> `AtomicAccess`. The reason for this name change is to allow the introduction
>> of the new type `Atomic<T>` ([JDK-8367013](https://bugs.openjdk.org/browse/JDK-8367013)).
>> 
>> The PR has several commits, according to the specific category of change being
>> made. It may be easier to review the PR by studying these individual commits.
>> 
>> Although the file "atomic.hpp" is being renamed to "atomicAccess.hpp", I chose
>> to not rename the various "atomic_<cpu>.*" and "atomic_<os>_<cpu>.*" files.
>> 
>> There are a number of comments containing the word "Atomic" that I didn't
>> change. They are generically about atomic operations, and will just as well
>> serve as referring to the future `Atomic<T>`.
>> 
>> Testing: mach5 tier1, GHA sanity tests.
>> This is one of those changes where successful builds indicate the change is good.
>
> Kim Barrett has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 13 commits:
> 
>  - Merge branch 'master' into atomic-access
>  - rename recently added Atomic:: => AtomicAccess::
>  - Merge branch 'master' into atomic-access
>  - fix prefiously missed arg misalignments
>  - rename test_atomic.cpp
>  - update copyrights
>  - misc cleanups
>  - fix indentation from rename
>  - rename Atomic => AtomicAccess in gtests
>  - rename Atomic => AtomicAccess
>  - ... and 3 more: https://git.openjdk.org/jdk/compare/134c3ef4...00ecd55c

Still good. Thanks

-------------

Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27135#pullrequestreview-3208979512