Function _mm256_fmsubadd_ps

pub unsafe fn _mm256_fmsubadd_ps(a: __m256, b: __m256, c: __m256) -> __m256

Available on (x86 or x86-64) and target feature fma and x86-64 only.

Multiplies packed single-precision (32-bit) floating-point elements in a and b, and alternatively subtract and add packed elements in c from/to the intermediate result.

Intel’s documentation