JDK-8321648 : Integral gather optimized mask computation.
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 17,21,22,23
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: x86_64
  • Submitted: 2023-12-10
  • Updated: 2024-08-01
  • Resolved: 2023-12-19
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.
JDK 23
23 b03Fixed
Related Reports
Relates :  
Description
- Correct incorrect instruction attributes in legacy integral gather instructions.
- Optimize integral gather mask computation using cheaper instructions. 
Comments
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/17048 Date: 2023-12-11 07:26:31 +0000
01-08-2024

Changeset: 76637c53 Author: Jatin Bhateja <jbhateja@openjdk.org> Date: 2023-12-19 07:51:52 +0000 URL: https://git.openjdk.org/jdk/commit/76637c53c56d39cc534ecaa9e9ff55413173b15c
19-12-2023

ILW = Incorrect instruction attribution (harmless)? and suboptimal instructions, integral gather instructions, no workaround = MLH = P4
14-12-2023