hg: jdk/jdk: 8233339: Shenandoah: Centralize load barrier decisions into ShenandoahBarrierSet

[zgu at redhat.com]

Changeset: 5606867a5e6e
Author:    zgu
Date:      2019-11-08 09:50 -0500
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/5606867a5e6e

8233339: Shenandoah: Centralize load barrier decisions into ShenandoahBarrierSet
Reviewed-by: rkennke

! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
! src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp
! src/hotspot/share/gc/shenandoah/c1/shenandoahBarrierSetC1.cpp
! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp