@sbuild.parse
def mn_cmp_unsigned(arg1, arg2, arg3):
    crf_dict[arg1]['LT'] = expr.ExprOp(expr.TOK_INF_UNSIGNED, arg2, arg3)
    crf_dict[arg1]['GT'] = expr.ExprOp(expr.TOK_INF_UNSIGNED, arg3, arg2)
    crf_dict[arg1]['EQ'] = expr.ExprOp(expr.TOK_EQUAL, arg2, arg3)