hg: jdk10/hs: 8187977: Generalize Atomic::xchg to use templates

[erik.osterlund at oracle.com]

Changeset: 09c41c4913d9
Author:    eosterlund
Date:      2017-09-26 21:37 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/rev/09c41c4913d9

8187977: Generalize Atomic::xchg to use templates
Reviewed-by: kbarrett, coleenp

! src/hotspot/os_cpu/aix_ppc/atomic_aix_ppc.hpp
! src/hotspot/os_cpu/bsd_x86/atomic_bsd_x86.hpp
! src/hotspot/os_cpu/bsd_zero/atomic_bsd_zero.hpp
! src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp
! src/hotspot/os_cpu/linux_arm/atomic_linux_arm.hpp
! src/hotspot/os_cpu/linux_ppc/atomic_linux_ppc.hpp
! src/hotspot/os_cpu/linux_s390/atomic_linux_s390.hpp
! src/hotspot/os_cpu/linux_sparc/atomic_linux_sparc.hpp
! src/hotspot/os_cpu/linux_x86/atomic_linux_x86.hpp
! src/hotspot/os_cpu/linux_zero/atomic_linux_zero.hpp
! src/hotspot/os_cpu/solaris_sparc/atomic_solaris_sparc.hpp
! src/hotspot/os_cpu/solaris_sparc/solaris_sparc.il
! src/hotspot/os_cpu/solaris_x86/atomic_solaris_x86.hpp
! src/hotspot/os_cpu/windows_x86/atomic_windows_x86.hpp
! src/hotspot/share/compiler/compileBroker.hpp
! src/hotspot/share/runtime/atomic.hpp