Function core::arch::x86_64::_mm_fnmadd_sd
1.27.0 · source · pub unsafe fn _mm_fnmadd_sd(a: __m128d, b: __m128d, c: __m128d) -> __m128d
Available on (x86 or x86-64) and target feature
fma
and x86-64 only.Expand description
Multiplies the lower double-precision (64-bit) floating-point elements in
a
and b
, and add the negated intermediate result to the lower element
in c
. Store the result in the lower element of the returned value, and
copy the upper element from a
to the upper elements of the result.