[计] conditional no-operation instruction

tiáo jiàn kōng cāo zuò zhǐ lìng ㄊㄧㄠˊ ㄐㄧㄢˋ ㄎㄨㄥ ㄘㄠ ㄗㄨㄛˋ ㄓˇ ㄌㄧㄥˋ