Function kvarn::prelude::internals::prelude::utils::prelude::compact_str::core::arch::x86_64::_blcfill_u64

pub unsafe fn _blcfill_u64(x: u64) -> u64

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

Clears all bits below the least significant zero bit of x.

If there is no zero bit in x, it returns zero.