On Mon, Nov 16, 2009 at 08:33, Godlike God <godlike_panos_hot@xxxxxxxxxxx> wrote: > First question: Will gcc be able to understand and make this kind of small functions inline (with -O3 for example)? If the body of the function is around at the time when GCC is doing inlining decisions, yes. This may mean that you need to use -flto or put the bodies of the functions in a file that you #include (and mark the functionst 'static inline'). > I read about Link Time Optimizations and -flto but it seems this is a new feature (I cannot use it yet). > > Second question: If I convert my code and ditch every inline I have, will -flto make the small functions inline for me? It should, yes. If you get a chance, I would suggest building a snapshot of GCC 4.5 (available at http://gcc.gnu.org/snapshots.html) and give it a try. Diego.
