Unbox/Box Float64x2 and inline typed array loads and stores

runtime/vm/deferred_objects.cc

Index: runtime/vm/deferred_objects.cc
diff --git a/runtime/vm/deferred_objects.cc b/runtime/vm/deferred_objects.cc
index defd14e37c02a9393beb14a465d2778ead14e276..ab9e6cdc61aeafd5651028480167d81f99b61b8c 100644
--- a/runtime/vm/deferred_objects.cc
+++ b/runtime/vm/deferred_objects.cc
@@ -54,6 +54,20 @@ void DeferredFloat32x4::Materialize(DeoptContext* deopt_context) {
 }
 
 
+void DeferredFloat64x2::Materialize(DeoptContext* deopt_context) {
+  RawFloat64x2** float64x2_slot = reinterpret_cast<RawFloat64x2**>(slot());
+  RawFloat64x2* raw_float64x2 = Float64x2::New(value());
+  *float64x2_slot = raw_float64x2;
+
+  if (FLAG_trace_deoptimization_verbose) {
+    double x = raw_float64x2->x();
+    double y = raw_float64x2->y();
+    OS::PrintErr("materializing Float64x2 at %" Px ": %g,%g\n",
+                 reinterpret_cast<uword>(slot()), x, y);
+  }
+}
+
+
 void DeferredInt32x4::Materialize(DeoptContext* deopt_context) {
   RawInt32x4** int32x4_slot = reinterpret_cast<RawInt32x4**>(slot());
   RawInt32x4* raw_int32x4 = Int32x4::New(value());