https://docs.factorcode.org/content/article-alien-assembly.h...

It's not something I've dabbled in but I think you could do something like that.

If you look at https://re.factorcode.org/2015/06/bit-test.html and the vocabularies it links over to I'm sure you'll be better able to figure it out.

Edit: This article says you can and shows how, https://re.factorcode.org/2010/11/estimating-cpu-speed.html .