git: openjdk/jdk: 8264543: Cross modify fence optimization for x86

[David Holmes]

Changeset: 04134fcd
Author:    Xubo Zhang <xubo.zhang at intel.com>
Committer: David Holmes <dholmes at openjdk.org>
Date:      2021-08-04 05:43:58 +0000
URL:       https://git.openjdk.java.net/jdk/commit/04134fcdaaf058429fc4ab109a98005ddce4636d

8264543: Cross modify fence optimization for x86

Reviewed-by: dholmes, tschatzl, sviswanathan

! src/hotspot/cpu/x86/vm_version_ext_x86.hpp
! src/hotspot/cpu/x86/vm_version_x86.cpp
! src/hotspot/cpu/x86/vm_version_x86.hpp
! src/hotspot/os_cpu/bsd_x86/orderAccess_bsd_x86.hpp
! src/hotspot/os_cpu/linux_x86/orderAccess_linux_x86.hpp
! src/hotspot/os_cpu/windows_x86/orderAccess_windows_x86.hpp
! src/hotspot/share/runtime/orderAccess.hpp
! src/hotspot/share/runtime/vm_version.hpp
! src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.amd64/src/jdk/vm/ci/amd64/AMD64.java