hg: jdk9/hs-rt/hotspot: 7143664: Clean up OrderAccess implementations and usage

[david.holmes at oracle.com]

Changeset: 8a4e011d99be
Author:    dholmes
Date:      2015-03-03 19:20 -0500
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/8a4e011d99be

7143664: Clean up OrderAccess implementations and usage
Summary: Clarify and correct the abstract model for memory barriers provided by the orderAccess class. Refactor the implementations using template specialization to allow the bulk of the code to be shared, with platform specific customizations applied as needed.
Reviewed-by: acorn, dcubed, dholmes, dlong, goetz, kbarrett, sgehwolf
Contributed-by: Erik Osterlund <erik.osterlund at lnu.se>

! src/cpu/x86/vm/c1_LIRAssembler_x86.cpp
! src/os_cpu/aix_ppc/vm/orderAccess_aix_ppc.inline.hpp
! src/os_cpu/bsd_x86/vm/orderAccess_bsd_x86.inline.hpp
! src/os_cpu/bsd_zero/vm/orderAccess_bsd_zero.inline.hpp
! src/os_cpu/linux_ppc/vm/orderAccess_linux_ppc.inline.hpp
! src/os_cpu/linux_sparc/vm/orderAccess_linux_sparc.inline.hpp
! src/os_cpu/linux_x86/vm/orderAccess_linux_x86.inline.hpp
! src/os_cpu/linux_zero/vm/orderAccess_linux_zero.inline.hpp
! src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp
! src/os_cpu/solaris_sparc/vm/solaris_sparc.il
! src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp
! src/os_cpu/solaris_x86/vm/solaris_x86_32.il
! src/os_cpu/solaris_x86/vm/solaris_x86_64.il
! src/os_cpu/windows_x86/vm/orderAccess_windows_x86.inline.hpp
! src/share/vm/runtime/orderAccess.hpp
! src/share/vm/runtime/orderAccess.inline.hpp