Optimize %ClassOf() on IA-32 and use it instead of the...

src/mirror-delay.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 562 matching lines @@
  * @constructor
  * @extends ValueMirror
  */
 function ObjectMirror(value, type, transient) {
   ValueMirror.call(this, type || OBJECT_TYPE, value, transient);
 }
 inherits(ObjectMirror, ValueMirror);
 
 
 ObjectMirror.prototype.className = function() {
-  return %ClassOf(this.value_);
+  return %_ClassOf(this.value_);
 };
 
 
 ObjectMirror.prototype.constructorFunction = function() {
   return MakeMirror(%DebugGetProperty(this.value_, 'constructor'));
 };
 
 
 ObjectMirror.prototype.prototypeObject = function() {
   return MakeMirror(%DebugGetProperty(this.value_, 'prototype'));
@@ skipping 1675 matching lines @@
   }
   if (!isFinite(value)) {
     if (value > 0) {
       return 'Infinity';
     } else {
       return '-Infinity';
     }
   }
   return value; 
 }