hg: jdk9/hs-comp/hotspot: 8136596: Remove aarch64: MemBarRelease when final field's allocation is NoEscape or ArgEscape

[roland.westrelin at oracle.com]

Changeset: 6cc606e29b74
Author:    roland
Date:      2015-09-21 10:51 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/6cc606e29b74

8136596: Remove aarch64: MemBarRelease when final field's allocation is NoEscape or ArgEscape
Summary: elide MemBar when AllocateNode _is_non_escaping
Reviewed-by: kvn, roland
Contributed-by: hui.shi at linaro.org

! src/share/vm/opto/callnode.hpp
! src/share/vm/opto/macro.cpp
! src/share/vm/opto/memnode.cpp