Re: Reduce build times of pg_trgm GIN indexes - Mailing list pgsql-hackers

On Tue, Apr 7, 2026 at 6:27 PM Heikki Linnakangas <hlinnaka@iki.fi> wrote:
> But the comments on the pg_cmp functions say:
>
> >  * NB: If the comparator function is inlined, some compilers may produce
> >  * worse code with these helper functions than with code with the
> >  * following form:
> >  *
> >  *     if (a < b)
> >  *         return -1;
> >  *     if (a > b)
> >  *         return 1;
> >  *     return 0;
> >  *
>
> So, uh, is that really a universal improvement? Is that comment about
> producing worse code outdated?

No, it's quite recent:

https://www.postgresql.org/message-id/20240212230423.GA3519%40nathanxps13

--
John Naylor
Amazon Web Services