Opt Compiler: ARM64: Add support for rem-float, rem-double and volatile.

Add support for rem-float, rem-double and volatile memory accesses
using acquire-release and memory barriers.

Change-Id: I96a24dff66002c3b772c3d8e6ed792e3cb59048a
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
9 files changed