arch:: x86_64:: _mm_fmadd_sd
pub unsafe fn _mm_fmadd_sd(a: __m128d, b: __m128d, c: __m128d) -> __m128d
Multiplies the lower double-precision (64-bit) floating-point elements in
b, and add the intermediate result to the lower element in
Stores the result in the lower element of the returned value, and copy the
upper element from
a to the upper elements of the result.