_mm256_mask_popcnt_epi32 in core::arch::x86_64 - Rust
Description: For each packed 32-bit integer maps the value to the number of logical 1 bits.

Skip to main content

## _mm256_mask_popcnt_epi32

# Function _mm256_mask_popcnt_epi32

1.89.0 (const: unstable) · Source

    pub fn _mm256_mask_popcnt_epi32(
        src: __m256i,
        k: __mmask8,
        a: __m256i,
    ) -> __m256i

Available on x86-64 and target feature `avx512vl` and target feature `avx512vpopcntdq` and (x86 or 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 copied from src if the corresponding mask bit is not set. Otherwise the computation result is written into the result.

Intel’s documentation