These LUT2/3 operations are high cost high reward. Outlined in
[[sv/bitmanip]], the simplest ones already exist in PackedSIMD VSX:
`xxeval`. The same reasoning applies as to fclass: SFFS needs to be
-stand-alone on its own merits and not "punished" should an implementor
-choose not to implement any aspect of PackedSIMD VSX.
+stand-alone on its own merits and should an implementor
+choose not to implement any aspect of PackedSIMD VSX the performance
+of their product should not be penalised for making that decision.
With Predication being such a high priority in GPUs and HPC, CR Field
variants of Ternary and Binary LUT instructions were considered high