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## _mm256_mask_lzcnt_epi32

# Function _mm256_mask_lzcnt_epi32

1.89.0 (const: unstable) · Source

    pub fn _mm256_mask_lzcnt_epi32(src: __m256i, k: __mmask8, a: __m256i) -> __m256i

Available on x86 and target feature `avx512cd` and target feature `avx512vl` only.
Expand description

Counts the number of leading zero bits in each packed 32-bit integer in a, and store the results in dst using writemask k (elements are copied from src when the corresponding mask bit is not set).

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