Function _mm_maskz_lzcnt_epi64

pub unsafe fn _mm_maskz_lzcnt_epi64(k: __mmask8, 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 only.

Counts the number of leading zero bits in each packed 64-bit integer in a, and store the results in dst using zeromask k (elements are zeroed out when the corresponding mask bit is not set).

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