On 11/04/2013 05:43 PM, Matt Turner 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)))
For both, Reviewed-by: Brian Paul <bri...@vmware.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
