hg: shenandoah/jdk: AArch64 port of ShenandoahBarrierSetAssembler

[roman at kennke.org]

Changeset: 856bfc181578
Author:    rkennke
Date:      2018-04-10 23:03 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/856bfc181578

AArch64 port of ShenandoahBarrierSetAssembler

+ src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.cpp
+ src/hotspot/cpu/aarch64/gc/shenandoah/shenandoahBarrierSetAssembler_aarch64.hpp