https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102989

--- Comment #54 from rguenther at suse dot de <rguenther at suse dot de> ---
On Fri, 2 Jun 2023, jakub at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102989
> 
> Jakub Jelinek <jakub at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>   Attachment #55169|0                           |1
>         is obsolete|                            |
> 
> --- Comment #53 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> Created attachment 55240
>   --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55240&action=edit
> gcc14-bitint-wip.patch
> 
> Further updates.  This introduces a new bitintlower (and bitintlower0) pass,
> categorizes
> _BitInt types into 4 categories (small, which are kept as is as they work out
> of the box, middle, which have already more than one limb, but there exists
> DImode or TImode
> type which is supported and covers the precision, here lowering is done by
> casting to
> INTEGER_TYPE and back, large which is up to double that size (so it will be
> lowered to straight line code) and huge, which will use loops.  The lowering 
> is
> so far implemented for the middle _BitInts.
> Added some runtime testsuite coverage for the small and middle _BitInts (so on
> x86-64 up to 128 bits).

At least for -Os we probably want to consider moving everything but 
small and maybe middle to out of line library functions?

Reply via email to