Introduce faster swapping primitives.

src/ic.h

 // 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 283 matching lines @@
   // These are similar to the generic IC; they optimize the case of
   // operating upon external array types but fall back to the runtime
   // for all other types.
   static void GenerateExternalArray(MacroAssembler* masm,
                                     ExternalArrayType array_type);
   static void GenerateIndexedInterceptor(MacroAssembler* masm);
 
   // Clear the use of the inlined version.
   static void ClearInlinedVersion(Address address);
 
- private:
   // Bit mask to be tested against bit field for the cases when
   // generic stub should go into slow case.
   // Access check is necessary explicitly since generic stub does not perform
   // map checks.
   static const int kSlowCaseBitFieldMask =
       (1 << Map::kIsAccessCheckNeeded) | (1 << Map::kHasIndexedInterceptor);
 
+ private:
   // Update the inline cache.
   void UpdateCaches(LookupResult* lookup,
                     State state,
                     Handle<Object> object,
                     Handle<String> name);
 
   // Stub accessors.
   static Code* initialize_stub() {
     return Builtins::builtin(Builtins::KeyedLoadIC_Initialize);
   }
@@ skipping 143 matching lines @@
   static const char* GetName(TypeInfo type_info);
 
   static State ToState(TypeInfo type_info);
 
   static TypeInfo GetTypeInfo(Object* left, Object* right);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_H_