https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89213
--- Comment #3 from Michael Meissner <meissner at gcc dot gnu.org> --- The vector shift sequence does not appear in Spec 2006 CPU compiled for power9. The vector shift sequence does appear 4 times in the 602_gcc_s benchmark, and once in the 683_imagick_s benchmark.
