On 30.06.2014 20:03, Matt Turner wrote: > On Mon, Jun 30, 2014 at 10:37 AM, Ian Romanick <i...@freedesktop.org> wrote: >> In the cases where a return (with a value) is removed, I'm afraid static >> analysis tools will start to complain. I'll be surprised if Klocwork >> understands (or trusts) GCC __builtin_unreachable decorations. > > Good catch. I didn't think about this. > > I did a little bit of searching and discovered this page: > > http://www.klocwork.com/products/documentation/current/Compiler_attributes_analyzed_by_Klocwork > > which fortunately says that Klocwork recognizes gcc's > __attribute__((noreturn)), so I feel relatively confident that > Klocwork recognizes __builtin_unreachable as well. > > If it doesn't and we get warnings from Klocwork, we can easily make > the unreachable() macro expand to a static inline function marked with > __attribute__((noreturn)).
Why use gcc-specific stuff instead of the standard _Noreturn/noreturn? Philipp _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev