I did just that, compiling reverse-polish mathematical operations, such as "1 3 / 9 *", into x86 assembly. Even trivial compilers like that are fun to work on,

I did just that, compiling reverse-polish mathematical operations, such as "1 3 / 9 *", into x86 assembly. Even trivial compilers like that are fun to work on, as reminders of the low-level facilities available. https://github.com/skx/math-compiler https://github.com/skx/math-compiler