Yosys 0.36

Yosys 0.35 .. Yosys 0.36

• New commands and options

  • Added option "--" to pass arguments down to tcl when using -c option.
  • Added ability on MacOS and Windows to pass options after arguments on cli.
  • Added option "-cmp2softlogic" to synth_lattice.
  • Added option "-lowpower" to "booth" pass.

• QuickLogic support

  • Added "K6N10f" support.
  • Added "-nodsp", "-nocarry", "-nobram" and "-bramtypes" options to
    "synth_quicklogic" pass.
  • Added "ql_bram_merge" pass to merge 18K BRAM cells into TDP36K.
  • Added "ql_bram_types" pass to change TDP36K depending on configuration.
  • Added "ql_dsp_io_regs" pass to update QL_DSP2 depending on configuration.
  • Added "ql_dsp_macc" pass to infer multiplier-accumulator DSP cells.
  • Added "ql_dsp_simd" pass to merge DSP pairs to operate in SIMD mode.

• ECP5,iCE40 and Gowin support

  • Enabled abc9 by default, added "-noabc9" option to disable.

• MachXO3 support

  • Quality of results improvements.
  • Enabled "booth" pass by default for it in "synth_lattice".

• Various

  • Improved "peepopt" by adding shiftadd pattern support.
  • Added "--incremental" mode to smtbmc.