David Rowley <david.rowley@2ndquadrant.com> writes:
> I'd like to see us using those functions, when they're available and
> falling back on the array when they're not. Sounds like that would
> just be a new configure test. Perhaps a good home for some shared code
> would be numutils.c.
Meh --- numutils.c is about numbers. Maybe "bitutils.c"?
Another point here is that there might easily be a use-case for such
functionality in frontend code, so I'd lean towards putting the support in
src/common if we do this.
regards, tom lane