Replace AddProperty by AddNamedProperty to speed up the common case

src/typedarray.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 "use strict";
 
 // This file relies on the fact that the following declaration has been made
 // in runtime.js:
 // var $Array = global.Array;
 var $ArrayBuffer = global.ArrayBuffer;
@@ skipping 281 matching lines @@
 }
 
 // -------------------------------------------------------------------
 
 function SetupTypedArrays() {
 macro SETUP_TYPED_ARRAY(ARRAY_ID, NAME, ELEMENT_SIZE)
   %CheckIsBootstrapping();
   %SetCode(global.NAME, NAMEConstructor);
   %FunctionSetPrototype(global.NAME, new $Object());
 
-  %AddProperty(global.NAME, "BYTES_PER_ELEMENT", ELEMENT_SIZE,
-               READ_ONLY | DONT_ENUM | DONT_DELETE);
-  %AddProperty(global.NAME.prototype,
-               "constructor", global.NAME, DONT_ENUM);
-  %AddProperty(global.NAME.prototype,
-               "BYTES_PER_ELEMENT", ELEMENT_SIZE,
-               READ_ONLY | DONT_ENUM | DONT_DELETE);
+  %AddNamedProperty(global.NAME, "BYTES_PER_ELEMENT", ELEMENT_SIZE,
+                    READ_ONLY | DONT_ENUM | DONT_DELETE);
+  %AddNamedProperty(global.NAME.prototype,
+                    "constructor", global.NAME, DONT_ENUM);
+  %AddNamedProperty(global.NAME.prototype,
+                    "BYTES_PER_ELEMENT", ELEMENT_SIZE,
+                    READ_ONLY | DONT_ENUM | DONT_DELETE);
   InstallGetter(global.NAME.prototype, "buffer", NAME_GetBuffer);
   InstallGetter(global.NAME.prototype, "byteOffset", NAME_GetByteOffset);
   InstallGetter(global.NAME.prototype, "byteLength", NAME_GetByteLength);
   InstallGetter(global.NAME.prototype, "length", NAME_GetLength);
 
   InstallFunctions(global.NAME.prototype, DONT_ENUM, $Array(
         "subarray", NAMESubArray,
         "set", TypedArraySet
   ));
 endmacro
@@ skipping 110 matching lines @@
 DATA_VIEW_TYPES(DATA_VIEW_GETTER_SETTER)
 
 function SetupDataView() {
   %CheckIsBootstrapping();
 
   // Setup the DataView constructor.
   %SetCode($DataView, DataViewConstructor);
   %FunctionSetPrototype($DataView, new $Object);
 
   // Set up constructor property on the DataView prototype.
-  %AddProperty($DataView.prototype, "constructor", $DataView, DONT_ENUM);
+  %AddNamedProperty($DataView.prototype, "constructor", $DataView, DONT_ENUM);
 
   InstallGetter($DataView.prototype, "buffer", DataViewGetBufferJS);
   InstallGetter($DataView.prototype, "byteOffset", DataViewGetByteOffset);
   InstallGetter($DataView.prototype, "byteLength", DataViewGetByteLength);
 
   InstallFunctions($DataView.prototype, DONT_ENUM, $Array(
       "getInt8", DataViewGetInt8JS,
       "setInt8", DataViewSetInt8JS,
 
       "getUint8", DataViewGetUint8JS,
@@ skipping 13 matching lines @@
 
       "getFloat32", DataViewGetFloat32JS,
       "setFloat32", DataViewSetFloat32JS,
 
       "getFloat64", DataViewGetFloat64JS,
       "setFloat64", DataViewSetFloat64JS
   ));
 }
 
 SetupDataView();