[Bug gcov-profile/55734] [4.8 Regression] gcov-io.c uses builtins not available in non-GCC compilers

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55734

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-18 15:52:40 UTC ---
(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?