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## _kortestz_mask64_u8

# Function _kortestz_mask64_u8

1.89.0 (const: unstable) · Source

    pub fn _kortestz_mask64_u8(a: __mmask64, b: __mmask64) -> u8

Available on x86-64 and target feature `avx512bw` and (x86 or x86-64) only.
Expand description

Compute the bitwise OR of 64-bit masks a and b. If the result is all zeros, store 1 in dst, otherwise store 0 in dst.

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