http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46598
--- Comment #14 from Cristian RodrÃguez <crrodriguez at opensuse dot org> 2010-11-23 15:34:19 UTC --- (In reply to comment #13) > They can use the new rdtsc builtin. In which GCC version will it appear ? will be cool if you can share a little example as well.