https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |missed-optimization Status|UNCONFIRMED |NEW Last reconfirmed| |2015-07-13 CC| |law at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> --- This is simply a jump-threading opportunity that is not taken (with the complication that this threads through the loop header). I wonder whether the FSM thereading machiner could catch this though.