Function core_arch::x86::_mm256_fnmadd_ps

pub unsafe fn _mm256_fnmadd_ps(a: __m256, b: __m256, c: __m256) -> __m256

This is supported on x86 and target feature fma only.

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

Intel's documentation