git: openjdk/jdk: 8276116: C2: optimize long range checks in int counted loops

[Roland Westrelin]

Changeset: b3faecf7
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2021-12-08 21:33:33 +0000
URL:       https://git.openjdk.java.net/jdk/commit/b3faecf73966ce0435644a89f8f43d85720e8328

8276116: C2: optimize long range checks in int counted loops

Reviewed-by: kvn

! src/hotspot/cpu/x86/x86_32.ad
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopnode.hpp
! src/hotspot/share/opto/loopopts.cpp
! test/hotspot/jtreg/compiler/c2/irTests/TestLongRangeChecks.java
! test/hotspot/jtreg/compiler/rangechecks/TestLongRangeCheck.java