Finish refactoring done for ia32 for the other platforms.

src/x64/lithium-x64.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 194 matching lines @@
       :  environment_(NULL),
          hydrogen_value_(NULL),
          is_call_(false),
          is_save_doubles_(false) { }
 
   virtual ~LInstruction() { }
 
   virtual void CompileToNative(LCodeGen* generator) = 0;
   virtual const char* Mnemonic() const = 0;
   virtual void PrintTo(StringStream* stream);
-  virtual void PrintDataTo(StringStream* stream) = 0;
-  virtual void PrintOutputOperandTo(StringStream* stream) = 0;
+  virtual void PrintDataTo(StringStream* stream);
+  virtual void PrintOutputOperandTo(StringStream* stream);
 
   enum Opcode {
     // Declare a unique enum value for each instruction.
 #define DECLARE_OPCODE(type) k##type,
     LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE)
     kNumberOfInstructions
 #undef DECLARE_OPCODE
   };
 
   virtual Opcode opcode() const = 0;
@@ skipping 74 matching lines @@
   virtual bool HasResult() const { return R != 0; }
   void set_result(LOperand* operand) { results_[0] = operand; }
   LOperand* result() { return results_[0]; }
 
   int InputCount() { return I; }
   LOperand* InputAt(int i) { return inputs_[i]; }
 
   int TempCount() { return T; }
   LOperand* TempAt(int i) { return temps_[i]; }
 
-  virtual void PrintDataTo(StringStream* stream);
-  virtual void PrintOutputOperandTo(StringStream* stream);
-
  protected:
   EmbeddedContainer<LOperand*, R> results_;
   EmbeddedContainer<LOperand*, I> inputs_;
   EmbeddedContainer<LOperand*, T> temps_;
 };
 
 
 class LGap: public LTemplateInstruction<0, 0, 0> {
  public:
   explicit LGap(HBasicBlock* block)
@@ skipping 2061 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::int
 
 #endif  // V8_X64_LITHIUM_X64_H_