yosys
https://github.com/cliffordwolf/yosys
C++
Yosys Open SYnthesis Suite
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- Issues
- `read_blif; write_blif; read_blif;` doesn't work
- Performance issue with many concatenations in CXXRTL
- Add a generic way to delete all non-synthesizable cells
- Defect in btor2 file format generation
- Segmentation fault with verific
- Can't call DPI function with no return (void return type)
- Automatically call `hierarchy` if the current pass does not accept abstract modules
- `sim` doesn't consider assertions failed if EN=x A=0
- Use /usr/bin/env for bash on remaining places
- synth_nexus with -abc9: CCU2 cells get the low order CIN connected to constant 1'b0
- Docs
- C++ not yet supported