hg: jdk/sandbox: 8224187: Refactor arraycopy_prologue to allow ZGC read barriers on arraycopy

[chris.hegarty at oracle.com]

Changeset: f982c1a6582c
Author:    smonteith
Date:      2019-05-22 06:29 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/f982c1a6582c

8224187: Refactor arraycopy_prologue to allow ZGC read barriers on arraycopy
Reviewed-by: eosterlund

! src/hotspot/cpu/aarch64/gc/shared/barrierSetAssembler_aarch64.hpp
! src/hotspot/cpu/aarch64/gc/shared/modRefBarrierSetAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/shared/modRefBarrierSetAssembler_aarch64.hpp
! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
! src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.hpp
! src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp