Function _mm256_inserti64x2

pub fn _mm256_inserti64x2(a: __m256i, b: __m128i, const IMM8: i32) -> __m256i

Available on (x86 or x86-64) and target feature avx512dq and target feature avx512vl and x86-64 only.

Copy a to dst, then insert 128 bits (composed of 2 packed 64-bit integers) from b into dst at the location specified by IMM8.

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