# Function _mm256_mask_test_epi64_mask

1.89.0 · Source

    pub fn _mm256_mask_test_epi64_mask(
        k: __mmask8,
        a: __m256i,
        b: __m256i,
    ) -> __mmask8

Available on (x86 or x86-64) and target feature `avx512f,avx512vl` and x86 only.
Expand description

Compute the bitwise AND of packed 64-bit integers in a and b, producing intermediate 64-bit values, and set the corresponding bit in result mask k (subject to writemask k) if the intermediate value is non-zero.

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