ARM/ARM64: Optimise HLoadNamedField and HStoreNamedField.

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index 818569b0919b0441bcb7a8f68b139c346e0d590c..067602ee0ed90e9f7893eecb76a84c8bf43c4177 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -1908,6 +1908,38 @@ inline HInstruction* HGraphBuilder::AddUncasted<HDeoptimize>(
 
 
 template<>
+inline HLoadNamedField*
+HGraphBuilder::Add<HLoadNamedField, HValue*, HValue*, HObjectAccess>(
+    HValue* object, HValue* dependency, HObjectAccess access) {
+  HLoadNamedField* object_properties = NULL;
+  if (HLoadNamedField::PreferExtractLoadPropertiesPointer() &&
+      HLoadNamedField::NeedsPropertiesPointer(access)) {
+    object_properties = Add<HLoadNamedField>(
+            object, dependency, HObjectAccess::ForPropertiesPointer());
+  }
+  return AddInstructionTyped(New<HLoadNamedField>(
+          object, dependency, access, object_properties));
+}
+
+
+template<>
+inline HLoadNamedField*
+HGraphBuilder::Add<HLoadNamedField, HValue*, HValue*,
+                   HObjectAccess, const UniqueSet<Map>*, HType>(
+    HValue* object, HValue* dependency, HObjectAccess access,
+    const UniqueSet<Map>* maps, HType type) {
+  HLoadNamedField* object_properties = NULL;
+  if (HLoadNamedField::PreferExtractLoadPropertiesPointer() &&
+      HLoadNamedField::NeedsPropertiesPointer(access)) {
+    object_properties = Add<HLoadNamedField>(
+            object, dependency, HObjectAccess::ForPropertiesPointer());
+  }
+  return AddInstructionTyped(New<HLoadNamedField>(
+          object, dependency, access, maps, type, object_properties));
+}
+
+
+template<>
 inline HSimulate* HGraphBuilder::Add<HSimulate>(
     BailoutId id,
     RemovableSimulate removable) {
@@ -1931,6 +1963,24 @@ inline HInstruction* HGraphBuilder::AddUncasted<HSimulate>(BailoutId id) {
 
 
 template<>
+inline HStoreNamedField*
+HGraphBuilder::Add<HStoreNamedField, HValue*, HObjectAccess,
+                   HValue*, StoreFieldOrKeyedMode, HValue*>(
+    HValue* obj, HObjectAccess access, HValue* val,
+    StoreFieldOrKeyedMode store_mode, HValue* obj_properties) {
+  HLoadNamedField* object_properties = NULL;
+  if (HStoreNamedField::PreferExtractLoadPropertiesPointer() &&
+      HStoreNamedField::NeedsPropertiesPointer(access)) {
+    object_properties = Add<HLoadNamedField>(
+            obj, reinterpret_cast<HValue*>(NULL),
+            HObjectAccess::ForPropertiesPointer());
+  }
+  return AddInstructionTyped(New<HStoreNamedField>(
+          obj, access, val, store_mode, object_properties));
+}
+
+
+template<>
 inline HReturn* HGraphBuilder::Add<HReturn>(HValue* value) {
   int num_parameters = graph()->info()->num_parameters();
   HValue* params = AddUncasted<HConstant>(num_parameters);