git: openjdk/jdk: master: 8375653: C2: CmpUNode::sub is not monotonic

[Quan Anh Mai]

Changeset: 30675faa
Branch: master
Author:    Quan Anh Mai <qamai at openjdk.org>
Date:      2026-01-26 11:18:21 +0000
URL:       https://git.openjdk.org/jdk/commit/30675faa67d1bbb4acc729a841493bb8311416af

8375653: C2: CmpUNode::sub is not monotonic

Reviewed-by: chagedorn, mchevalier

! src/hotspot/share/opto/subnode.cpp
+ test/hotspot/jtreg/compiler/c2/gvn/CmpUNodeValueTests.java
+ test/hotspot/jtreg/compiler/ccp/TestCmpUMonotonicity.java