pub fn _mm256_insertf32x4(a: __m256, b: __m128, const IMM8: i32) -> __m256Available on x86 and target feature 
avx512f and target feature avx512vl only.Expand description
Copy a to dst, then insert 128 bits (composed of 4 packed single-precision (32-bit) floating-point elements) from b into dst at the location specified by imm8.