Function coresimd::vendor::_mm_cmpord_sd

pub unsafe fn _mm_cmpord_sd(a: f64x2, b: f64x2) -> f64x2

Return a new vector with the low element of a replaced by the result of comparing both of the lower elements of a and b to NaN. If neither are equal to NaN then 0xFFFFFFFFFFFFFFFF is used and 0 otherwise.