https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66144
Segher Boessenkool <segher at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-05-14 CC| |segher at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> --- Confirmed. This code is generated by rs6000_emit_vector_cond_expr and combine doesn't know how to simplify it (it tries though).