## _mm256_cmp_epu64_mask

# Function _mm256_cmp_epu64_mask

1.89.0 (const: unstable) · Source

    pub fn _mm256_cmp_epu64_mask(
        a: __m256i,
        b: __m256i,
        const IMM3: _MM_CMPINT_ENUM,
    ) -> __mmask8

Available on x86 and target feature `avx512f` and target feature `avx512vl` only.
Expand description

Compare packed unsigned 64-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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