Function core::arch::x86_64::_mm_lzcnt_epi64
source · pub unsafe fn _mm_lzcnt_epi64(a: __m128i) -> __m128i
🔬This is a nightly-only experimental API. (
stdsimd
#48556)Available on (x86 or 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.