git: openjdk/jdk17u-dev: 8286638: C2: CmpU needs to do more precise over/underflow analysis

Wed Jun 22 10:45:26 UTC 2022

Changeset: c1e544fe
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2022-06-22 10:42:20 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/c1e544fe0f4fa9d8818bd2ec7a3b743677865a41

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

Backport-of: 2d34acfec908e6cdfb8e920b54d5b932029e4bac

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