Function safe_arch::population_count_i32

#[must_use]pub fn population_count_i32(a: i32) -> i32

This is supported with target feature popcnt only.

Count the number of bits set within an i32

assert_eq!(population_count_i32(0), 0);
assert_eq!(population_count_i32(0b1), 1);
assert_eq!(population_count_i32(0b1001), 2);