You can do that on modern CPUs, and I do. If you can't do it, it's simply because you haven't studied the CPUs closely enough. I write compilers, and I write c

You can do that on modern CPUs, and I do. If you can't do it, it's simply because you haven't studied the CPUs closely enough. I write compilers, and I write critical routines by hand when compilers don't do a good job.