# Function core::arch::x86_64::_mm_popcnt_epi32

source ·

    pub unsafe fn _mm_popcnt_epi32(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.

Intel’s documentation