# Function vec_sum_u128

Source

    pub unsafe fn vec_sum_u128<T: VectorSumU128>(a: T, b: T) -> vector_unsigned_char

🔬This is a nightly-only experimental API. (`stdarch_s390x` #135681)
Available on s390x and target feature `vector` only.
Expand description

Vector Sum Across Quadword

Returns a vector containing the results of performing a sum across all the elements in each of the quadword of vector a, and the rightmost word or doubleword element of the b. The result is an unsigned 128-bit integer.