[−][src]Function safe_arch::intel::sum_of_u8_abs_diff_m128i
#[must_use]pub fn sum_of_u8_abs_diff_m128i(a: m128i, b: m128i) -> m128i
Compute "sum of u8
absolute differences".
u8
lanewiseabs(a - b)
, producingu8
intermediate values.- Sum the first eight and second eight values.
- Place into the low 16 bits of two
u64
lanes.
let a = m128i::from([ 0_u8, 11, 2, 13, 4, 15, 6, 17, 8, 19, 20, 21, 22, 23, 24, 127, ]); let b = m128i::from([ 20_u8, 110, 250, 103, 34, 105, 60, 217, 8, 19, 210, 201, 202, 203, 204, 127, ]); let c: [u64; 2] = sum_of_u8_abs_diff_m128i(a, b).into(); assert_eq!(c, [831_u64, 910]);