message: ToHdlCommon: extract postfix unary ops
diff: @@ -42,6 +42,7 @@ class ToHdlCommon(HdlAstVisitor):
  HdlOpType.PLUS_UNARY: "+",
  HdlOpType.MINUS_UNARY: "-",
  }
  + GENERIC_UNARY_OPS_POSTFIX = {}
  GENERIC_BIN_OPS = {
  HdlOpType.ADD: " + ",
  HdlOpType.SUB: " - ",
  @@ -98,6 +99,12 @@ class ToHdlCommon(HdlAstVisitor):
  w(op_str)
  self._visit_operand(op.ops[0], 0, op, True, False)
  return
  + op_str = self.GENERIC_UNARY_OPS_POSTFIX.get(o, None)
  + if op_str is not None:
  + self._visit_operand(op.ops[0], 0, op, True, False)
  + w(op_str)
  + return
  +
  if argc == 2:
  op_str = self.GENERIC_BIN_OPS.get(o, None)
  if op_str is not None:
  