yosys
https://github.com/cliffordwolf/yosys
C++
Yosys Open SYnthesis Suite
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- Issues
- 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
- opt_demorgan: skip zero width cells
- Yosys Synthesis Fails with std::out_of_range Error in OPT_DEMORGAN Pass
- 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