https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63281
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-10-27 Component|target |rtl-optimization Ever confirmed|0 |1 --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Actually this should just create one constant in registers and then rotate them. We are able to handle the +1 case just fine.