## _mm_test_epi64_mask

# Function _mm_test_epi64_mask

1.89.0 · Source

    pub fn _mm_test_epi64_mask(a: __m128i, b: __m128i) -> __mmask8

Available on x86 and target feature `avx512f` and target feature `avx512vl` 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 if the intermediate value is non-zero.

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