https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93720
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #4) > Note the __builtin_shuffle expansion can be generialized to handle the case > where there is more than elements but only one element insert: Note this should be done after zip expansion has happened.