## _mm256_insertf128_si256

# Function _mm256_insertf128_si256

1.27.0 · Source

    pub fn _mm256_insertf128_si256(
        a: __m256i,
        b: __m128i,
        const IMM1: i32,
    ) -> __m256i

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

Copies `a` to result, then inserts 128 bits from `b` into result at the location specified by `imm8`.

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