# Function core::arch::x86::_mm256_maskz_cvtepu8_epi64

source ·

    pub unsafe fn _mm256_maskz_cvtepu8_epi64(k: __mmask8, a: __m128i) -> __m256i

🔬This is a nightly-only experimental API. (`stdsimd` #48556)
Available on (x86 or x86-64) and target feature `avx512f,avx512vl` only.
Expand description

Zero extend packed unsigned 8-bit integers in the low 4 bytes of a to packed 64-bit integers, 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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