pub unsafe fn _mm_lzcnt_epi64(a: __m128i) -> __m128i🔬This is a nightly-only experimental API. (
stdarch_x86_avx512 #111137)Available on (x86 or x86-64) and target feature
avx512cd,avx512vl and x86-64 only.Expand description
Counts the number of leading zero bits in each packed 64-bit integer in a, and store the results in dst.