git: openjdk/jdk: jdk26: 8375653: C2: CmpUNode::sub is not monotonic

Wed Jan 28 08:24:04 UTC 2026

Changeset: 52340411
Branch: jdk26
Author:    Quan Anh Mai <qamai at openjdk.org>
Date:      2026-01-28 08:15:07 +0000
URL:       https://git.openjdk.org/jdk/commit/523404112e9efaee357470a33d6fcb08a22029da

8375653: C2: CmpUNode::sub is not monotonic

Reviewed-by: chagedorn, thartmann
Backport-of: 30675faa67d1bbb4acc729a841493bb8311416af

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