pub unsafe fn _mm256_shuffle_f32x4<const MASK: i32>(
    a: __m256,
    b: __m256
) -> __m256
🔬 This is a nightly-only experimental API. (stdsimd)
This is supported on x86-64 and target feature avx512f,avx512vl only.
Expand description

Shuffle 128-bits (composed of 4 single-precision (32-bit) floating-point elements) selected by imm8 from a and b, and store the results in dst.

Intel’s documentation