Yosys 0.44

Yosys 0.43 .. Yosys 0.44

• Various

  • Added ENABLE_LTO compile option to enable link time
    optimizations.
  • Build support for Haiku OS.

• New commands and options

  • Added "keep_hierarchy" pass to add attribute with
    same name to modules based on cost.
  • Added options "-noopt","-bloat" and "-check_cost" to
    "test_cell" pass.

• New back-ends

  • Added initial PolarFire support. ( synth_microchip )