Hydrogen: Re-use regular comparisons infrastructure for switch statements

src/code-stubs.h

 // Copyright 2012 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 1158 matching lines @@
   virtual void Generate(MacroAssembler* masm);
 
   void set_known_map(Handle<Map> map) { known_map_ = map; }
 
   static void DecodeMinorKey(int minor_key,
                              CompareIC::State* left_state,
                              CompareIC::State* right_state,
                              CompareIC::State* handler_state,
                              Token::Value* op);
 
-  static CompareIC::State CompareState(int minor_key) {
-    return static_cast<CompareIC::State>(HandlerStateField::decode(minor_key));
-  }
-
   virtual InlineCacheState GetICState();
 
  private:
   class OpField: public BitField<int, 0, 3> { };
   class LeftStateField: public BitField<int, 3, 4> { };
   class RightStateField: public BitField<int, 7, 4> { };
   class HandlerStateField: public BitField<int, 11, 4> { };
 
   virtual void FinishCode(Handle<Code> code) {
     code->set_stub_info(MinorKey());
@@ skipping 1155 matching lines @@
   int MinorKey() { return 0; }
 
   void Generate(MacroAssembler* masm);
 
   DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_