hg: hsx/hotspot-comp/hotspot: 8004318: JEP-171: Support Unsafe fences intrinsics

[vladimir.kozlov at oracle.com]

Changeset: 1e41b0bc58a0
Author:    kvn
Date:      2012-12-18 17:37 -0800
URL:       http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/1e41b0bc58a0

8004318: JEP-171: Support Unsafe fences intrinsics
Summary: Add three memory-ordering intrinsics to the sun.misc.Unsafe class.
Reviewed-by: twisti, kvn
Contributed-by: Aleksey Shipilev <aleksey.shipilev at oracle.com>

! src/share/vm/c1/c1_GraphBuilder.cpp
! src/share/vm/c1/c1_LIRGenerator.cpp
! src/share/vm/classfile/vmSymbols.hpp
! src/share/vm/opto/library_call.cpp
! src/share/vm/prims/unsafe.cpp