RFR: 8367013: Add Atomic<T> to package/replace idiom of volatile var plus AtomicAccess:: operations

[Kim Barrett]

On Fri, 3 Oct 2025 13:00:30 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> I skimmed through the current code base and can see lots of places that assumes `release` precedes `store`, but I don't get why it has to be this way. Why `store_release` doesn't work? (It matches `load_acquire` in a symmetry, IMO.)

The naming is intentional, to map onto the behavior.
release_store() is roughly like release(); store();
release_store_fence() is roughly like release(); store(); fence()
load_acquire() is roughly like load(); acquire();

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PR Comment: https://git.openjdk.org/jdk/pull/27539#issuecomment-3366171793