VEC_SPLAT16       170 libavutil/ppc/util_altivec.h #define VEC_SPLAT16(a,b) vec_splat((vec_s16)(a), b)
VEC_SPLAT16       172 libavutil/ppc/util_altivec.h #define VEC_SPLAT16(a,b) vec_splat((vec_s16)(vec_perm(a, a, vcswapi2s(0,1,2,3))), b)