hg: jdk/hs: 8187227: Zero should use compiler built-ins for atomics on linux-m68k

[coleen.phillimore at oracle.com]

Changeset: 4e5124dacf91
Author:    glaubitz
Date:      2017-11-21 13:48 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/4e5124dacf91

8187227: Zero should use compiler built-ins for atomics on linux-m68k
Reviewed-by: aph, kbarrett

! src/hotspot/os_cpu/linux_zero/atomic_linux_zero.hpp