Function core::arch::x86_64::_mm256_lzcnt_epi64

pub unsafe fn _mm256_lzcnt_epi64(a: __m256i) -> __m256i

🔬 This is a nightly-only experimental API. (stdsimd #48556)

Available on x86-64 and target feature avx512cd,avx512vl only.

Expand description

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