ART: Arm64 optimizing compiler intrinsics

Implement most intrinsics for the optimizing compiler for Arm64.

Change-Id: Idb459be09f0524cb9aeab7a5c7fccb1c6b65a707
diff --git a/compiler/optimizing/locations.h b/compiler/optimizing/locations.h
index 6bf8f77..8b06d60 100644
--- a/compiler/optimizing/locations.h
+++ b/compiler/optimizing/locations.h
@@ -446,6 +446,8 @@
   DISALLOW_COPY_AND_ASSIGN(RegisterSet);
 };
 
+static constexpr bool kIntrinsified = true;
+
 /**
  * The code generator computes LocationSummary for each instruction so that
  * the instruction itself knows what code to generate: where to find the inputs