yosys
https://github.com/cliffordwolf/yosys
C++
Yosys Open SYnthesis Suite
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- Issues
- Assert `flow.wire_comb_defs[it].size() == 1` in `write_cxxrtl`
- `sta` command hangs on some designs
- `tee -q -o <bad-path>` fails silently
- log_deprecated
- abc segfaults in certain usecase
- Synthesis fails on MacOS but succeeds on Linux (possibly ABC error)
- Efficient handling of patterns emitted by sv2v
- Nanoxplore synthesis does not works when using abc9 flow
- Importing init of memory is extremely slow
- Port names starting with '%' cause stack buffer overflow during error reporting
- Docs
- C++ not yet supported