git: openjdk/jdk: master: 8325495: C2: implement optimization for series of Add of unique value

[Kangcheng Xu]

Changeset: c30ad012
Branch: master
Author:    Kangcheng Xu <kxu at openjdk.org>
Date:      2024-10-09 15:07:13 +0000
URL:       https://git.openjdk.org/jdk/commit/c30ad0124e7743f3a4c29ef901761f8fcc53de10

8325495: C2: implement optimization for series of Add of unique value

Reviewed-by: chagedorn, roland

! src/hotspot/share/opto/addnode.cpp
! src/hotspot/share/opto/addnode.hpp
+ test/hotspot/jtreg/compiler/c2/TestSerialAdditions.java