yosys
https://github.com/cliffordwolf/yosys
C++
Yosys Open SYnthesis Suite
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- Issues
- tests: remove -seq 1 from sat with -tempinduct where possible
- Assume x values for missing signal data in FST
- log_deprecated
- abc segfaults in certain usecase
- Allow whitespace in `tee` command paths
- Fix: handle VCD variable references with and without whitespace
- Synthesis fails on MacOS but succeeds on Linux (possibly ABC error)
- VCD file parsing error in sim pass with GHDL-generated VCDs due to whitespace handling
- Efficient handling of patterns emitted by sv2v
- opt_reduce: keep at least one input to $reduce_or/and cells
- Docs
- C++ not yet supported