https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65424
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Status|UNCONFIRMED |NEW Last reconfirmed| |2015-03-18 Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. The idea was unrolling would expose it (but we don't unroll these kind of loops before swap detection).