RFR: 8242115: C2 SATB barriers are not safepoint-safe

Fri Sep 30 21:47:24 UTC 2022

On Fri, 30 Sep 2022 21:22:47 GMT, Igor Veresov <iveresov at openjdk.org> wrote:

> Implement load pinning, use it for g1 pre-value loads, add verification that the load control dependency is kept and that there are no safepoints between the load of the pre-value and the marking check (with the exception of the CAS intrinsics where it's permitted).

Looks reasonable.

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

Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.org/jdk/pull/10517