hg: shenandoah/jdk9/hotspot: Experiment: use concurrent atomic adds for tracking heap region live data.

[roman at kennke.org]

Changeset: 176e25b25614
Author:    rkennke
Date:      2015-10-26 21:46 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/176e25b25614

Experiment: use concurrent atomic adds for tracking heap region live data.

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.inline.hpp