hg: jdk/sandbox: 8220441: [PPC64] Clobber memory effect missing for memory barriers in atomics

[chris.hegarty at oracle.com]

Changeset: c4fb912f3085
Author:    mdoerr
Date:      2019-03-12 11:53 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/c4fb912f3085

8220441: [PPC64] Clobber memory effect missing for memory barriers in atomics
Reviewed-by: simonis, goetz

! src/hotspot/os_cpu/aix_ppc/atomic_aix_ppc.hpp
! src/hotspot/os_cpu/linux_ppc/atomic_linux_ppc.hpp