hg: jdk9/hs-gc/hotspot: 8061964: Insufficient compiler barriers for GCC in OrderAccess functions

[mikael.gerdin at oracle.com]

Changeset: d4f303d3104c
Author:    mgerdin
Date:      2014-11-03 11:08 +0100
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/d4f303d3104c

8061964: Insufficient compiler barriers for GCC in OrderAccess functions
Summary: Fix OrderAccess functions to emit memory clobbering inline assembly to attempt to stop copiler reordering.
Reviewed-by: dcubed, dholmes, bdelsart

! src/os_cpu/linux_x86/vm/orderAccess_linux_x86.inline.hpp