git: openjdk/jdk: 8253469: ARM32 Zero: replace usages of __sync_synchronize() with OrderAccess::fence

[Aleksey Shipilev]

Changeset: f62eefc0
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2020-09-25 10:14:04 +0000
URL:       https://git.openjdk.java.net/jdk/commit/f62eefc0

8253469: ARM32 Zero: replace usages of __sync_synchronize() with OrderAccess::fence

Reviewed-by: dholmes

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