[FFmpeg-devel] [PATCH 4/5] lavu/intmath.h: Fix UB in ff_ctz_c() and ff_ctzll_c()

[Hendrik Leppkes]

On Thu, May 30, 2024 at 11:50 AM Tomas Härdin <git at haerdin.se> wrote:
>
> tor 2024-05-30 klockan 10:54 +0300 skrev Rémi Denis-Courmont:
> > Can't we just use the compiler built-ins here? AFAIK, they (GCC,
> > LLVM) use the same algorithm if the CPU doesn't support native CTZ.
> > And they will pick the right instruction if CPU does have CTZ.
> >
> > I get it that maybe it wasn't working so well 20 years ago, but we've
> > increased compiler version requirements since then.
>
> I think we still support MSVC, but maybe we shouldn't? It's possible to
> cross-compile for Windows either way.
>

This is not going to happen.

- Hendrik