- Added "read_aiger" frontend
- Extended "muxcover -mux{4,8,16}=<cost>"
- "synth_xilinx" to now infer hard shift registers, using new "shregmap -tech xilinx"
+ - Fixed sign extension of unsized constants with 'bx and 'bz MSB
Yosys 0.7 .. Yosys 0.8
- Added "write_verilog -decimal"
- Added "scc -set_attr"
- Added "verilog_defines" command
- - Remeber defines from one read_verilog to next
+ - Remember defines from one read_verilog to next
- Added support for hierarchical defparam
- Added FIRRTL back-end
- Improved ABC default scripts