tree 974ca2e66c6df38c149693fb0d700f7365d4f29a
parent 6181f79576e4269937b45e4fce8d0d004107e5b9
author buzbee <buzbee@google.com> 1317330905 -0700
committer buzbee <buzbee@google.com> 1317330905 -0700

Add memory barriers (Issue 3338450)

Add missing barriers required for volatile access on Arm.  Also,
flipped long volatile field accesses to the slow path.  The
previous codegen was not only missing barriers, but was not
using 64-bit atomics.

Change-Id: I4aa2be2bf81971e5ae664c762ceaf2ea58ce231b