git: openjdk/jdk: 8286638: C2: CmpU needs to do more precise over/underflow analysis

Mon May 16 07:23:17 UTC 2022

Changeset: 2d34acfe
Author:    Emanuel Peter <emanuel.peter at oracle.com>
Committer: Tobias Hartmann <thartmann at openjdk.org>
Date:      2022-05-16 07:21:30 +0000
URL:       https://git.openjdk.java.net/jdk/commit/2d34acfec908e6cdfb8e920b54d5b932029e4bac

8286638: C2: CmpU needs to do more precise over/underflow analysis

Reviewed-by: kvn, vlivanov, thartmann

! src/hotspot/share/opto/subnode.cpp
+ test/hotspot/jtreg/compiler/rangechecks/TestRangeCheckCmpUUnderflow.java