yosys
https://github.com/cliffordwolf/yosys
C++
Yosys Open SYnthesis Suite
Triage Issues!
When you volunteer to triage issues, you'll receive an email each day with a link to an open issue that needs help in this project. You'll also receive instructions on how to triage issues.
Triage Docs!
Receive a documented method or class from your favorite GitHub repos in your inbox every day. If you're really pro, receive undocumented methods or classes and supercharge your commit history.
C++ not yet supported3 Subscribers
Add a CodeTriage badge to yosys
Help out
- Issues
- Fix wide shift count folded as truncated/signed negative count
- Performance issue for read_verilog of nested for-loops with intermediate wire declaration
- Wide shift count is folded as truncated/signed negative count
- handle $bewqx in btor backend
- Update to `dfflibmap` to be able to map LATCHes
- build error when `pyosys` is enabled on Ubuntu 26.04 (dependency conflict)
- simplemap: moving $pmux lowering out of techmap.v changes the decomposition, causing QoR regression
- opt_reduce: $pmux input dedup emits inputs in dict (hash) order instead of source order, causing QoR regression
- opt_muxtree: fix reconvergence
- Self-assigning case corrupts ternary selector synthesis
- Docs
- C++ not yet supported