Function _bzhi_u64
#[target_feature(enable = "bmi2")]
pub fn _bzhi_u64(a: u64, index: u32) -> u64Zeroes higher bits of a >= index.
_bzhi_u64#[target_feature(enable = "bmi2")]
pub fn _bzhi_u64(a: u64, index: u32) -> u64Zeroes higher bits of a >= index.