RFR: 8345067: C2: enable implicit null checks for ZGC reads [v5]

Tue May 27 07:49:54 UTC 2025

On Fri, 16 May 2025 09:33:11 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> I guess it's not worth stepping over the memory barrier. Disabling this rule for PPC64 should be ok, too.

Thanks for testing and reporting @TheRealMDoerr, I agree that it would be too much complexity for little return. I disabled the rule for PPC64 (commit fdf34f90). Please let me know if that works as expected.

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

PR Comment: https://git.openjdk.org/jdk/pull/25066#issuecomment-2911516324