hg: jdk10/hs/hotspot: 8169061: Drop os::is_MP checks from Atomics

[david.holmes at oracle.com]

Changeset: ae91ec8b554a
Author:    shade
Date:      2017-04-26 09:06 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/ae91ec8b554a

8169061: Drop os::is_MP checks from Atomics
Reviewed-by: aph, dholmes

! src/os_cpu/bsd_x86/vm/atomic_bsd_x86.hpp
! src/os_cpu/linux_x86/vm/atomic_linux_x86.hpp
! src/os_cpu/linux_x86/vm/linux_x86_32.s
! src/os_cpu/solaris_x86/vm/atomic_solaris_x86.hpp
! src/os_cpu/solaris_x86/vm/solaris_x86_32.il
! src/os_cpu/solaris_x86/vm/solaris_x86_32.s
! src/os_cpu/windows_x86/vm/atomic_windows_x86.hpp