Arggh. I relied on Power ISA Book I Section 7.6.1 as a definitive list of VSX instructions. Unfortunately it is not complete.
I will publish soon V6 of this series to add in some ISA 2.07 VSX instructions that I missed: - mfvsr*, mtvsr* - fmrg[eo]w - xsrsp - xscvdpspn, xscvspdpn