On Mon, Nov 4, 2013 at 4:43 PM, Matt Turner <matts...@gmail.com> wrote: > --- > src/mesa/main/compiler.h | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h > index 61ce5db..6a25bf5 100644 > --- a/src/mesa/main/compiler.h > +++ b/src/mesa/main/compiler.h > @@ -252,6 +252,21 @@ static INLINE GLuint CPU_TO_LE32(GLuint x) > (void) sizeof(char [1 - 2*!(COND)]); \ > } while (0) > > +/** > + * Unreachable macro. Useful for suppressing "control reaches end of non-void > + * function" warnings. > + */ > +#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 5 > +#define unreachable __builtin_unreachable() > +#elif (defined(__clang__) && defined(__has_builtin)) > +# if __has_builtin(__builtin_unreachable) > +# define unreachable __builtin_unreachable() > +# endif > +#endif > + > +#ifndef unreachable > +#define unreachable > +#endif > > #if (__GNUC__ >= 3) > #define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a))) > -- > 1.8.3.2 >
I'm actually going to change these to 'unreachable()' so it looks less funny. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
