https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79252
--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> --- Created attachment 40594 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40594&action=edit Test case to show the various vec_inserts Compile this code with -O2 -mcpu=power8, and look at the various v<type>_ins_<n>_arg functions to see the code generation.