https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106063
--- Comment #3 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Richard Biener from comment #2) > > but after vector lowering only vector operations that are handled by the > target may be introduced. The pattern > We can't tell that we're after veclower can we? so does it make sense to just never introduce a vector operation the target has no optab for?
