JDK-8301584 : Generational ZGC: Add barrier elision tests
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: repo-genzgc
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2023-02-01
  • Updated: 2023-02-20
  • Resolved: 2023-02-09
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
Other
repo-genzgcFixed
Related Reports
Relates :  
JDK-8280378 - [IR Framework] Support IR matching for different compile phases
Relates :  
JDK-8302857 - Generational ZGC: enable correctness barrier elision tests on all platforms
Description
Add tests that exercise C2's generational ZGC barrier elision, including different combinations of the following dimensions:

- elision type (allocation vs. domination)
- first access type (read vs. write)
- second access type (read vs. write)
- scope (local vs. global)
- object type (array vs. class instance)
- compile-time offset knownness (for arrays only)
- object equality
- field equality
- ...
Comments
A pull request was submitted for review. URL: https://git.openjdk.org/zgc/pull/12 Date: 2023-02-03 15:19:48 +0000
03-02-2023