[aarch64-port-dev ] hg: aarch64-port/jdk8/hotspot: Remove code which uses load acquire and store release. Revert to

[aph at redhat.com]

Changeset: 8ec803e97a0d
Author:    aph
Date:      2015-08-12 16:04 +0000
URL:       http://hg.openjdk.java.net/aarch64-port/jdk8/hotspot/rev/8ec803e97a0d

Remove code which uses load acquire and store release.  Revert to
plain old memory fences.

! src/cpu/aarch64/vm/aarch64.ad
! src/share/vm/opto/graphKit.cpp
! src/share/vm/opto/memnode.hpp
! src/share/vm/opto/parse2.cpp
! src/share/vm/opto/parse3.cpp