422 

   422 

   423   static bool        is_zero_const  (Code code)    { return (code == _aconst_null || code == _iconst_0

   423   static bool        is_zero_const  (Code code)    { return (code == _aconst_null || code == _iconst_0

   424                                                            || code == _fconst_0 || code == _dconst_0); }

   424                                                            || code == _fconst_0 || code == _dconst_0); }

   425   static bool        is_invoke      (Code code)    { return (_invokevirtual <= code && code <= _invokedynamic); }

   425   static bool        is_invoke      (Code code)    { return (_invokevirtual <= code && code <= _invokedynamic); }

   426 

   426 

   427   static int         compute_flags  (const char* format, int more_flags = 0);  // compute the flags

   429   static int         compute_flags  (const char* format, int more_flags = 0);  // compute the flags

   428   static int         flags          (int code, bool is_wide) {

   430   static int         flags          (int code, bool is_wide) {

   429     assert(code == (u_char)code, "must be a byte");

   431     assert(code == (u_char)code, "must be a byte");

   430     return _flags[code + (is_wide ? (1<<BitsPerByte) : 0)];

   432     return _flags[code + (is_wide ? (1<<BitsPerByte) : 0)];

   431   }

   433   }