Function _mm256_cvtneps_pbh

#[target_feature(enable = "avx512bf16", enable = "avx512vl")]
pub fn _mm256_cvtneps_pbh(a: __m256) -> __m128bh

Convert packed single-precision (32-bit) floating-point elements in a to packed BF16 (16-bit) floating-point elements, and store the results in dst. Intel's documentation