JDK-8334060 : Implementation of Late Barrier Expansion for G1
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 24
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2024-06-12
  • Updated: 2025-06-16
  • Resolved: 2024-10-03
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JDK 24
24 b18Fixed
Related Reports
Causes :  
JDK-8359378 - aarch64: crash when using -XX:+UseFPUForSpilling
Duplicate :  
JDK-8308944 - Late barrier insertion for G1
Relates :  
JDK-8341525 - G1: use bit clearing to remove tightly-coupled initialization store pre-barriers
Relates :  
JDK-8341619 - C2: remove unused StoreCM node
Relates :  
JDK-8347563 - C2: clean up ModRefBarrierSetC2
Relates :  
JDK-8343420 - [lworld] compiler/gcbarriers/TestG1BarrierGeneration.java after merging JDK-8334060 in jdk-24+18
Relates :  
JDK-8340454 - C2 EA asserts with "previous reducible Phi is no longer reducible before SUT"
Relates :  
JDK-8344381 - [s390x] Test failures with error: Register type is not known
Relates :  
JDK-8341818 - C2 compilation fails with "dead loop detected"
Description
This is the implementation task for JEP 475. See the JEP for details.
Comments
Changeset: 0b467e90 Branch: master Author: Roberto Castañeda Lozano <rcastanedalo@openjdk.org> Date: 2024-10-03 08:36:33 +0000 URL: https://git.openjdk.org/jdk/commit/0b467e902d591ae9feeec1669918d1588987cd1c
03-10-2024
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/19746 Date: 2024-06-17 09:49:25 +0000
09-07-2024