int frame;
int frame ATTRIBUTE_UNUSED;
tc_get_register (frame)     int frame;{  int framereg = AXP_REG_SP;  SKIP_WHITESPACE ();  if (*input_line_pointer == '$')    {      char *s = input_line_pointer;      char c = get_symbol_end ();      symbolS *sym = md_undefined_symbol (s);      *strchr(s, '\0') = c;      if (sym && (framereg = S_GET_VALUE (sym)) <= 31)	goto found;    }  as_warn ("frame reg expected, using $%d.", framereg);found:  note_gpreg (framereg);  return framereg;}