Function kvarn::prelude::fs::prelude::utils::prelude::compact_str::core::arch::x86_64::_tzcnt_u64

pub unsafe fn _tzcnt_u64(x: u64) -> u64

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

Counts the number of trailing least significant zero bits.

When the source operand is 0, it returns its size in bits.

Intel’s documentation