[autovect] [patch] vectorize in cases when number of iterations may be zero

[Zdenek Dvorak]

Hello,

> > Why do you create a new wrapper for this, instead of just using
> > number_of_iterations_exit directly (which would give you the same
> > information)?
> 
> Original number_of_iterations_exit called to a static inline function
> set_nb_iterations_in_loop () and I prefered not copy it to vectorizer
> sources.

I do not understand what you mean; number_of_iterations_exit never
called set_nb_iterations_in_loop.

Zdenek