https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118362
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- You can always grep E_V[0-9]*[A-Z]*mode, insn-modes.h in the builddir, those are all the vector modes actually used. Or grep MODE_VECTOR insn-modes.cc
