3.343. __nv_usad

i32 @__nv_usad(i32 %x, i32 %y, i32 %z)

Calculate \(|x - y| + z\) , the sum of absolute difference.

Calculate \(|x - y| + z\) , the 32-bit sum of the third argument z plus and the absolute value of the difference between the first argument, x, and second argument, y.

Inputs x, y, and z are unsigned 32-bit integers.

Returns

Returns \(|x - y| + z\).