On Thu, 19 Sep 2024 17:07:41 GMT, Chen Liang <li...@openjdk.org> wrote:
> The `tag` field in `AbstractPoolEntry` is redundant, as it's always of the > same value for each subtype. This is now replaced with an override. This can > reduce the footprint of the entries.. > > The removal of `hash` was considered but withdrawn; in part because hash > computations are heavy; in c2 things as simple as identity hash code are > better stored in object fields for performance. This pull request has now been integrated. Changeset: ab81197d Author: Chen Liang <li...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/ab81197d0ded93b82eea9f8fb35d1647c4520f1e Stats: 140 lines in 1 file changed: 97 ins; 4 del; 39 mod 8339198: Remove tag field from AbstractPoolEntry Reviewed-by: asotona, redestad ------------- PR: https://git.openjdk.org/jdk/pull/21093