pub unsafe fn _mm256_insertf32x4<const IMM8: i32>(
    a: __m256,
    b: __m128
) -> __m256
🔬 This is a nightly-only experimental API. (stdsimd)
This is supported on x86-64 and target feature avx512f,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.

Intel’s documentation