On Thu, Nov 18, 2021 at 07:32:27AM -0600, Bill Schmidt wrote: > >>> error: '__builtin_vsx_scalar_extract_sig' requires the '-mcpu=power9' > >>> option and either the '-m64' or '-mpowerpc64' option > >>> note: builtin '__builtin_vec_scalar_extract_sig' requires builtin > >>> '__builtin_vsx_scalar_extract_sig' > >> The rhs in the note does not *exist*, as far as the user is concerned. > >> One builtin requiring another is all gobbledygook. > > As stated above, this isn't something new that I've added. That's what > > we already do. It's how the overload error messages have always been. > > That said, I don't like the "requires" language at all, either. How about > replacing "builtin X requires builtin Y" with "overloaded builtin X is > implemented by builtin Y" as a better explanation?
That is better (although builtin Y *does not exist* as far as the user is concerned: it is not documented, and you cannot write it in source code afaics). Segher
