RFR: 8302158: PPC: test/jdk/jdk/internal/vm/Continuation/Fuzz.java: AssertionError: res: false shouldPin: false
Martin Doerr
mdoerr at openjdk.org
Wed Feb 15 15:00:35 UTC 2023
On Tue, 14 Feb 2023 14:10:08 GMT, Richard Reingruber <rrich at openjdk.org> wrote:
> This fixes the linked issue by trimming the caller of a frame to be deoptimized back to its `unextended_sp` iff it is compiled. The creation of the section `dead after deoptimization` shown in the attachment [yield_after_deopt_failure.log](https://bugs.openjdk.org/secure/attachment/102602/yield_after_deopt_failure.log) is prevented by this.
>
> A new mode is added to the test BasicExt.java where all frames are deoptimized after a yield operation. The issue can be deterministically reproduced with the new mode. It's not worth to execute all test cases with the new mode though. Instead `ContinuationCompiledFramesWithStackArgs_3c4` is always executed a 2nd time in this mode.
>
> Before this BasicExt.java was refactored for better argument processing and representation of the test modes.
> Also the try-catch-clause in the main method had to be changed to rethrow the caught exception because without this the test would have succeeded.
>
> Testing: jtreg tests tier 1-4 on standard platforms and also on ppc64le.
LGTM. Thanks for fixing!
src/hotspot/cpu/ppc/frame_ppc.cpp line 424:
> 422:
> 423: intptr_t *frame::initial_deoptimization_info() {
> 424: // `this` is the caller of the deoptee. We want to trimm it, if compiled, to
I believe "to trim" should contain only one 'm' in English.
-------------
Marked as reviewed by mdoerr (Reviewer).
PR: https://git.openjdk.org/jdk/pull/12557
More information about the core-libs-dev
mailing list