Eliminate unnecessary depencencies in some header files....

src/register-allocator.h

 // Copyright 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 57 matching lines @@
 
   // Construct a Result whose value is a compile-time constant.
   explicit Result(Handle<Object> value) {
     value_ = TypeField::encode(CONSTANT)
         | DataField::encode(ConstantList()->length());
     ConstantList()->Add(value);
   }
 
   // The copy constructor and assignment operators could each create a new
   // register reference.
-  Result(const Result& other) {
-    other.CopyTo(this);
-  }
+  inline Result(const Result& other);
 
-  Result& operator=(const Result& other) {
-    if (this != &other) {
-      Unuse();
-      other.CopyTo(this);
-    }
-    return *this;
-  }
+  inline Result& operator=(const Result& other);
 
   inline ~Result();
 
   // Static indirection table for handles to constants.  If a Result
   // represents a constant, the data contains an index into this table
   // of handles to the actual constants.
   typedef ZoneList<Handle<Object> > ZoneObjectList;
 
   static ZoneObjectList* ConstantList();
 
@@ skipping 131 matching lines @@
   // platform-specific XXX-inl.h files..
   static inline bool IsReserved(Register reg);
 
   // Convert between (unreserved) assembler registers and allocator
   // numbers.  Defined in the platform-specific XXX-inl.h files.
   static inline int ToNumber(Register reg);
   static inline Register ToRegister(int num);
 
   // Predicates and accessors for the registers' reference counts.
   bool is_used(int num) { return registers_.is_used(num); }
-  bool is_used(Register reg) { return registers_.is_used(ToNumber(reg)); }
+  inline bool is_used(Register reg);
 
   int count(int num) { return registers_.count(num); }
-  int count(Register reg) { return registers_.count(ToNumber(reg)); }
+  inline int count(Register reg);
 
   // Explicitly record a reference to a register.
   void Use(int num) { registers_.Use(num); }
-  void Use(Register reg) { registers_.Use(ToNumber(reg)); }
+  inline void Use(Register reg);
 
   // Explicitly record that a register will no longer be used.
   void Unuse(int num) { registers_.Unuse(num); }
-  void Unuse(Register reg) { registers_.Unuse(ToNumber(reg)); }
+  inline void Unuse(Register reg);
 
   // Reset the register reference counts to free all non-reserved registers.
   void Reset() { registers_.Reset(); }
 
   // Initialize the register allocator for entry to a JS function.  On
   // entry, the (non-reserved) registers used by the JS calling
   // convention are referenced and the other (non-reserved) registers
   // are free.
   inline void Initialize();
 
@@ skipping 26 matching lines @@
   }
 
  private:
   CodeGenerator* cgen_;
   RegisterFile registers_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_REGISTER_ALLOCATOR_H_