ART: Add non-temporal store support

Added non-temporal store support as a hint from the ME.
Added the implementation of the memory barrier
extended instruction that supports non-temporal stores
by explicitly serializing all previous store-to-memory instructions.

Change-Id: I8205a92083f9725253d8ce893671a133a0b6849d
Signed-off-by: Jean Christophe Beyler <jean.christophe.beyler@intel.com>
Signed-off-by: Chao-ying Fu <chao-ying.fu@intel.com>
diff --git a/compiler/dex/mir_dataflow.cc b/compiler/dex/mir_dataflow.cc
index 55ccf64..a964cc7 100644
--- a/compiler/dex/mir_dataflow.cc
+++ b/compiler/dex/mir_dataflow.cc
@@ -888,6 +888,9 @@
 
   // 129 MirOpReturnVectorRegisters
   0,
+
+  // 130 MirOpMemBarrier
+  0,
 };
 
 /* Return the base virtual register for a SSA name */