On Mon, 29 Jun 2026 05:38:01 GMT, Daisuke Yamazaki <[email protected]> wrote:
> Valhalla uses `load_prototype_header()` to read the Valhalla-specific mark > word flags from the `klass` when the object appears to be locked. > > However, when `UseObjectMonitorTable` is enabled, object monitors are not > represented by displaced mark words in the object header. > In that case, the object header still contains the relevant markWord bits, so > we can get the loaded header directly. > > This patch avoids the locked-object/prototype-header path when > `UseObjectMonitorTable` is enabled. > > --------- > - [x] I confirm that I make this contribution in accordance with the [OpenJDK > Interim AI Policy](https://openjdk.org/legal/ai). This pull request has now been integrated. Changeset: 28b617e9 Author: Daisuke Yamazaki <[email protected]> Committer: David Holmes <[email protected]> URL: https://git.openjdk.org/valhalla/commit/28b617e9c69002e000f13df904b75c10c4b7e3fe Stats: 43 lines in 4 files changed: 12 ins; 4 del; 27 mod 8386858: [lworld] omit load_prototype_header when UseObjectMonitorTable is used Reviewed-by: coleenp, dholmes ------------- PR: https://git.openjdk.org/valhalla/pull/2591
