On Mon, 24 Mar 2025 20:49:25 GMT, Frederic Parain <[email protected]> wrote:
> Strict final instance fields are not subject to concurrent writes during a > read access, so they can be flattened even if they are nullable and bigger > than 64 bits. The NULLABLE_NON_ATOMIC_FLAT layout is added for this > particular case. > This new layout can also be used in the special case of nullable empty value > classes, because their payload contains a single entry, the null-marker, > which is naturally atomic. This pull request has now been integrated. Changeset: 0c01b973 Author: Frederic Parain <[email protected]> URL: https://git.openjdk.org/valhalla/commit/0c01b9734abc1ff8af4c0f79c85746fcb8debf43 Stats: 760 lines in 22 files changed: 589 ins; 10 del; 161 mod 8374800: [lworld] Add a NULLABLE_NON_ATOMIC_FLAT layout Reviewed-by: coleenp ------------- PR: https://git.openjdk.org/valhalla/pull/1407
