# Function core::arch::x86_64::_mm_maskz_popcnt_epi32

source ·

    pub unsafe fn _mm_maskz_popcnt_epi32(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 `avx512vpopcntdq,avx512vl` and x86-64 only.
Expand description

For each packed 32-bit integer maps the value to the number of logical 1 bits.

Uses the writemask in k - elements are zeroed in the result if the corresponding mask bit is not set. Otherwise the computation result is written into the result.

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