# Function _mm256_cmp_epi8_mask

Source

    pub fn _mm256_cmp_epi8_mask(
        a: __m256i,
        b: __m256i,
        const IMM8: i32,
    ) -> __mmask32

🔬This is a nightly-only experimental API. (`stdarch_x86_avx512` #111137)
Available on (x86 or x86-64) and target feature `avx512bw,avx512vl` and x86-64 only.
Expand description

Compare packed signed 8-bit integers in a and b based on the comparison operand specified by imm8, and store the results in mask vector k.

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