git: openjdk/jdk-sandbox: shen-late-barriers: 3 new changesets

[duke]

Changeset: 8b9be75f
Branch: shen-late-barriers
Author:    Aleksey Shipilev <aleksey at shipilev.net>
Date:      2026-02-06 16:37:48 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/8b9be75f18b66cc09cdfe6837fa68c29277cf1e2

Improve C2 barrier verification

! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp
! src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp

Changeset: 5aecc4d9
Branch: shen-late-barriers
Author:    Aleksey Shipilev <aleksey at shipilev.net>
Date:      2026-02-06 19:55:39 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/5aecc4d96932057eb93fcca0cac18b68405b0aea

Final refinement to drop unnecessary Elided flag

! src/hotspot/share/gc/shared/c2/barrierSetC2.hpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp
! src/hotspot/share/opto/compile.cpp

Changeset: 32ab369e
Branch: shen-late-barriers
Author:    Aleksey Shipilev <aleksey at shipilev.net>
Date:      2026-02-06 20:03:49 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/32ab369e3430d13984ff93828f2ff3f8f026012a

Rework CardMarkNotNull -> NotNull to be usable without CardMark

! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoah_aarch64.ad
! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoah_aarch64.m4
! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.hpp