JDK-8326139 : C2 SuperWord: split packs (match use/def packs, implemented, mutual independence)
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 23
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2024-02-19
  • Updated: 2024-11-06
  • Resolved: 2024-03-12
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JDK 23
23 b14Fixed
Related Reports
Duplicate :  
JDK-8309267 - C2 SuperWord: some tests fail on KNL machines - fail to vectorize
Relates :  
JDK-8341834 - C2 compilation fails with "bad AD file" due to Replicate
Description
Make sure to split packs that otherwise would prevent vectorization.
Would fix issues of JDK-8309267
Comments
Changeset: 251347bd Author: Emanuel Peter <epeter@openjdk.org> Date: 2024-03-12 07:27:23 +0000 URL: https://git.openjdk.org/jdk/commit/251347bd7e589b51354a2318bfac0c71cd71bf5f
12-03-2024
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/17848 Date: 2024-02-14 15:10:18 +0000
22-02-2024