The Plan 9 C compilers are nice as they're so small. Still, the backend creation process would look roughly similar, at least from where I'm standing: copy a ro

The Plan 9 C compilers are nice as they're so small. Still, the backend creation process would look roughly similar, at least from where I'm standing: copy a roughly similar one and beat on it for some time. The difference is in duration, though. You're unlikely to pound on it for several years until you get something working.