https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61621
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2014-06-27 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Well, you manually made the first case covering many cases fast by grouping the rest of the cases. Did you try using profile-feedback to give GCC a chance to see what cases are executed more frequently?