# Function core::arch::x86::_mm_cmpestro
1.27.0[−][src]

    pub unsafe fn _mm_cmpestro(
        a: __m128i,
        la: i32,
        b: __m128i,
        lb: i32,
        imm8: i32
    ) -> i32

This is supported on x86 and target feature `sse4.2` only.

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.

Intel’s documentation