Yosys 0.47 .. Yosys 0.48
-
Various
- Removed "read_ilang" deprecated pass.
- Enhanced boxing features in the experimental "abc_new" command.
- Added new Tcl methods for design inspection.
- Added clock enable inference to "dfflibmap".
- Added a Han-Carlson and Sklansky option for $lcu mapping.
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New commands and options
- Added "-nopeepopt" option to "clk2fflogic" pass.
- Added "-liberty" and "-dont_use" options to "clockgate" pass.
- Added "-ignore_buses" option to "read_liberty" pass.
- Added "-dont_map" option to "techmap" pass.
- Added "-selected" option to "write_json" pass.
- Added "wrapcell" command for creating wrapper modules
around selected cells. - Added "portarcs" command for deriving propagation timing arcs.
- Added "setenv" command for setting environment variables.
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Gowin support
- Added "-family" option to "synth_gowin" pass.
- Cell definitions split by family.
-
Verific support
- Improved blackbox support.