Function serde::lib::core::arch::x86_64::_mm_lzcnt_epi64

pub unsafe fn _mm_lzcnt_epi64(a: __m128i) -> __m128i

🔬This is a nightly-only experimental API. (stdarch_x86_avx512)

Available on x86-64 only.

Counts the number of leading zero bits in each packed 64-bit integer in a, and store the results in dst.

Intel’s documentation