pub unsafe fn _mm256_maskz_lzcnt_epi64(k: u8, a: __m256i) -> __m256i
🔬This is a nightly-only experimental API. (
stdarch_x86_avx512
#111137)Available on 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 using zeromask k (elements are zeroed out when the corresponding mask bit is not set).