[][src]Function safe_arch::test_mixed_ones_and_zeroes_m128i

#[must_use]pub fn test_mixed_ones_and_zeroes_m128i(a: m128i, mask: m128i) -> i32

Returns if, among the masked bits, there's both 0s and 1s

  • if (a & mask) as u128 == 0: Zero Flag
  • if ((!a) & mask) as u128 == 0: Compliment Flag
  • Return ZeroFlag == 0 && Compliment Flag == 0
let a = m128i::from(0b111_u128);
let mask = m128i::from(u128::MAX);
assert_eq!(test_mixed_ones_and_zeroes_m128i(a, mask), 1);
//
let a = m128i::from(0b0_u128);
let mask = m128i::from(u128::MAX);
assert_eq!(test_mixed_ones_and_zeroes_m128i(a, mask), 0);
//
let a = m128i::from(0b1_0000_u128);
let mask = m128i::from(0b0_1111_u128);
assert_eq!(test_mixed_ones_and_zeroes_m128i(a, mask), 0);
//
let a = m128i::from(0b1_0000_u128);
let mask = m128i::from(0b1_1111_u128);
assert_eq!(test_mixed_ones_and_zeroes_m128i(a, mask), 1);