Fix pixel array support for x64 and make the fast Array functions...

src/ia32/stub-cache-ia32.cc

 // Copyright 2006-2009 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 662 matching lines @@
                                           Context::BOOLEAN_FUNCTION_INDEX,
                                           ecx);
       CheckPrototypes(JSObject::cast(object->GetPrototype()), ecx, holder,
                       ebx, edx, name, &miss);
       break;
     }
 
     case JSARRAY_HAS_FAST_ELEMENTS_CHECK:
       CheckPrototypes(JSObject::cast(object), edx, holder,
                       ebx, ecx, name, &miss);
-      // Make sure object->elements()->map() != Heap::dictionary_array_map()
+      // Make sure object->HasFastElements().
       // Get the elements array of the object.
       __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset));
       // Check that the object is in fast mode (not dictionary).
       __ cmp(FieldOperand(ebx, HeapObject::kMapOffset),
-             Immediate(Factory::hash_table_map()));
-      __ j(equal, &miss, not_taken);
+             Immediate(Factory::fixed_array_map()));
+      __ j(not_equal, &miss, not_taken);
       break;
 
     default:
       UNREACHABLE();
   }
 
   // Get the function and setup the context.
   __ mov(edi, Immediate(Handle<JSFunction>(function)));
   __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
 
@@ skipping 724 matching lines @@
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal