Function core::arch::x86_64::_mm256_fnmsub_ps

pub unsafe fn _mm256_fnmsub_ps(a: __m256, b: __m256, c: __m256) -> __m256

This is supported on x86-64 and target feature fma only.

Multiply packed single-precision (32-bit) floating-point elements in a and b, and subtract packed elements in c from the negated intermediate result.

Intel's documentation