unsafe fn vec_vmsumubm(
a: vector_unsigned_char,
b: vector_unsigned_char,
c: vector_unsigned_int,
) -> vector_unsigned_intAvailable on (PowerPC or PowerPC-64) and target feature
altivec only.unsafe fn vec_vmsumubm(
a: vector_unsigned_char,
b: vector_unsigned_char,
c: vector_unsigned_int,
) -> vector_unsigned_intaltivec only.