Function _mm_getexp_ps

#[target_feature(enable = "avx512f", enable = "avx512vl")]
pub fn _mm_getexp_ps(a: __m128) -> __m128

Convert the exponent of each packed single-precision (32-bit) floating-point element in a to a single-precision (32-bit) floating-point number representing the integer exponent, and store the results in dst. This intrinsic essentially calculates floor(log2(x)) for each element.

Intel's documentation