Integrated: 8320363: ppc64 TypeEntries::type_unknown logic looks wrong, missed optimization opportunity

[Martin Doerr]

On Thu, 23 Nov 2023 16:43:19 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> The `TypeEntries::type_unknown` logic uses a wrong register. This results in unnecessary profile updates if the type is already flagged as unknown. Doesn't cause VM errors, but may affect performance. However, I haven't seen performance impact in larger benchmarks.

This pull request has now been integrated.

Changeset: 6aa19766
Author:    Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/6aa197667ad05bd93adf3afc7b06adbfb2b18a22
Stats:     2 lines in 2 files changed: 0 ins; 0 del; 2 mod

8320363: ppc64 TypeEntries::type_unknown logic looks wrong, missed optimization opportunity

Reviewed-by: lucy, rrich

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

PR: https://git.openjdk.org/jdk/pull/16801