https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79251
--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> --- Created attachment 40595 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40595&action=edit File to show various vector inserts Compile this file with -O2 -mcpu=power9 (or -O2 -mcpu=power8), and look at the code generation for functions v<type>_ins_n_arg.