pub unsafe fn _mm_popcnt_epi64(a: __m128i) -> __m128i
🔬This is a nightly-only experimental API. (stdsimd #48556)
Available on (x86 or x86-64) and target feature avx512vpopcntdq,avx512vl and x86-64 only.
Expand description

For each packed 64-bit integer maps the value to the number of logical 1 bits.

Intel’s documentation

This documentation is an old archive. Please see https://rust.docs.kernel.org instead.