Function kvarn::prelude::internals::prelude::utils::prelude::compact_str::core::arch::x86_64::_bzhi_u64

pub unsafe fn _bzhi_u64(a: u64, index: u32) -> u64

Available on non-crate feature miri-test-libstd and x86-64 and non-x86 only.

Zeroes higher bits of a >= index.

Intel’s documentation