RV32-M extension implementation

[WangHanChi]

Hello,
We have tried to implement RV32M extension instruction, please have a look. The extension instruction also passes riscv-test benchmark. If you want your riscv-atom to support RV32M, you can look at out code as an reference.

The finished version is in branch stable . Here is the Link 1, Link 2.

Best Regards 👍

[saursin]

Thank you Wang!
I'll definitely have a look.
If you're interested in contributing, I invite you to start a PR.

[WangHanChi]

Thanks for your reply,
I noticed that you have changed your project recently, so my version (clone at 12/13) is not compatible with your latest version.
Maybe you can open a new branch to keep my modified part and you can also keep your latest progress in main branch.

Best Regards 👍

[saursin]

Alright, will do that!
Thanks