http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55734
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-18
15:53:42 UTC ---
(In reply to comment #4)
> (In reply to comment #3)
> > In that thread, I had asked:
> >
> > ---
> > If you prefer, I can simply inline the popcount/clz functionality into
> > gcov-io.c directly (or at least when not using recent versions of
> > GCC). But that in fact would be duplicating the code, when I thought
> > Aldy's solution was trying to avoid that by providing the more general
> > interfaces.
> >
> > Teresa
> > ---
> >
> > but didn't get a response. Richard, is that your preferred route for
> > fixing this issue?
>
> We already have popcount_hwi and clz_hwi available. Can't you piggy-back
> on that to provide (inline in gcov-io.c) popcountll and clzll? Why do
> you need the long long variants anyway?
You don't seem to:
unsigned histo_bitvector[GCOV_HISTOGRAM_BITVECTOR_SIZE];
...
h_cnt += __builtin_popcountll (histo_bitvector[bv_ix]);
so just use popcount_hwi.
