JDK-8283726 : x86_64 intrinsics for compareUnsigned method in Integer and Long
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 19
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • CPU: x86
  • Submitted: 2022-03-27
  • Updated: 2024-05-31
  • Resolved: 2022-06-29
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JDK 20
20 b05Fixed
Related Reports
Cloners :  
JDK-8287925 - AArch64: intrinsics for compareUnsigned method in Integer and Long
Relates :  
JDK-8290529 - C2: assert(BoolTest(btest).is_canonical()) failure
Relates :  
JDK-8333366 - C2: CmpU3Nodes are not pushed back to worklist in PhaseCCP leading to non-fixpoint assertion failure
Description
The goal is to implement x86 instrinsics for the compareUnsigned() method in java.lang.Integer and java.lang.Long. Which allows reliable usage of unsigned comparison in Java.
Comments
Changeset: 108cd695 Author: Quan Anh Mai <anhmdq99@gmail.com> Committer: Jatin Bhateja <jbhateja@openjdk.org> Date: 2022-06-29 10:34:05 +0000 URL: https://git.openjdk.org/jdk/commit/108cd695167f0eed7b778c29b55914998f15b90d
29-06-2022
A pull request was submitted for review. URL: https://git.openjdk.java.net/jdk/pull/9068 Date: 2022-06-07 17:14:18 +0000
07-06-2022
A pull request was submitted for review. URL: https://git.openjdk.java.net/jdk/pull/7975 Date: 2022-03-27 06:15:34 +0000
28-03-2022