## _mm256_insertf64x2

# Function _mm256_insertf64x2

1.89.0 · Source

    pub fn _mm256_insertf64x2(a: __m256d, b: __m128d, const IMM8: i32) -> __m256d

Available on x86 and target feature `avx512dq` and target feature `avx512vl` only.
Expand description

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

Intel’s Documentation