:-) Well it turns out I can't, and neither can anyone else if they are looking for the fastest performance, because the fastest assembly depends on the context

:-) Well it turns out I can't, and neither can anyone else if they are looking for the fastest performance, because the fastest assembly depends on the context it is called from. I had this problem going all the way back to the 8-bit machines, which is why I took an interest in compilers and dynamic code generation. To get the best :-)