https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102477
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-09-24 Status|UNCONFIRMED |NEW Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. We have _2 = (vector(16) signed int) v.0_1; where v.0_1 is vector(16) unsigned int. So appearantly we have an optab for that but it doesn't work here.