https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66120
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Not those, but addv<mode>4 and subv<mode>4 instead (perhaps {,u}mulv<mode>4 if
the ISA detects multiplication overflows, also there is negv<mode>3).
