https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79217
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to H. Peter Anvin from comment #5) > b) it seems likely that getting __intN where N > CHAR_BIT*sizeof(uintmax_t) > into a standard would be very hard, and thus would not be possible to > standard-track (although it could be used as an implementation on gcc using > a header inline, of course.) I saw a proposal for C23 (I think it was C23) for arbitrary bit size integers. I don't know if that included big integers either.
