Add primitive type and string type to the number info....

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 134 matching lines @@
   void ToRegister();
 
   // Move this result to a specified register.  The register is spilled from
   // the frame, and the register is singly-referenced (by this result)
   // outside the frame.
   void ToRegister(Register reg);
 
  private:
   uint32_t value_;
 
+  // Declare BitFields with template parameters <type, start, size>.
   class TypeField: public BitField<Type, 0, 2> {};
-  class NumberInfoField : public BitField<int, 2, 4> {};
-  class IsUntaggedInt32Field : public BitField<bool, 6, 1> {};
-  class DataField: public BitField<uint32_t, 7, 32 - 7> {};
+  class NumberInfoField : public BitField<int, 2, 6> {};
+  class IsUntaggedInt32Field : public BitField<bool, 8, 1> {};
+  class DataField: public BitField<uint32_t, 9, 32 - 9> {};
 
   inline void CopyTo(Result* destination) const;
 
   friend class CodeGeneratorScope;
 };
 
 
 // -------------------------------------------------------------------------
 // Register file
 //
@@ skipping 136 matching lines @@
   }
 
  private:
   CodeGenerator* cgen_;
   RegisterFile registers_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_REGISTER_ALLOCATOR_H_