How to create a C compiler for custom CPU?

Question

What would be the easiest way to create a C compiler for a custom CPU, assuming of course I already have an assembler for it?

Since a C compiler generates assembly, is t

Answer 1

There's the concept of a cross-compiler, ie., one that runs on one architecture, but targets a different one. You can see how GCC does it (for example) and add a new architecture to the set, if that's the compiler you want to extend.

Edit: I just spotted a question a few years ago on a GCC mailing list on how to add a new target and someone pointed to this