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## _mm_cmpestro

# Function _mm_cmpestro

1.27.0 · Source

    pub fn _mm_cmpestro(
        a: __m128i,
        la: i32,
        b: __m128i,
        lb: i32,
        const IMM8: i32,
    ) -> i32

Available on x86-64 and target feature `sse4.2` only.
Expand description

Compares packed strings in `a` and `b` with lengths `la` and `lb` using the control in `IMM8`, and return bit `0` of the resulting bit mask.

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