git: openjdk/jdk: 8322692: ZGC: avoid over-unrolling due to hidden barrier size

[Roberto Castañeda Lozano]

Changeset: bf666bc0
Author:    Roberto Castañeda Lozano <rcastanedalo at openjdk.org>
Date:      2024-01-17 07:50:03 +0000
URL:       https://git.openjdk.org/jdk/commit/bf666bc0c7ead0c5520f21f8e8cfac15323f5b50

8322692: ZGC: avoid over-unrolling due to hidden barrier size

Reviewed-by: eosterlund, kvn

! src/hotspot/share/gc/shared/c2/barrierSetC2.hpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp
! src/hotspot/share/gc/z/c2/zBarrierSetC2.hpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/memnode.cpp
! src/hotspot/share/opto/memnode.hpp
+ test/hotspot/jtreg/compiler/gcbarriers/TestZGCUnrolling.java