b4d51f3dd4
* config/tc-m68k.c (m68k_index_width_default): New static variable. (m68k_ip): Use m68k_index_width_default to set the size of a base register whose size was not given. (md_longopts): Add --base-size-default-16 and --base-size-default-32. (md_parse_option): Handle new options. (md_show_usage): Mention new options. * doc/c-m68k.texi (M68K-Opts): Document new options.