http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36041
--- Comment #14 from Cristian RodrÃguez <crrodriguez at opensuse dot org> --- (In reply to Andrew Pinski from comment #13) > (In reply to Marc Glisse from comment #12) Why can't you compile > your code with -march=native for the places where you know you are going to > compile and run directly on the same machine? Because it will be useless to general purpose distributions of course.