https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119757
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Sam James from comment #1) > -O2 -fno-vect-cost-model -march=rv64gcv_zvl256b fails `-O2 -fno-vect-cost-model -march=rv64gcv ` is enough to get it to fail. That is zvl256b is not needed.