signed-overflow
x86 left shift arithmetically overflow control
Do you know any way to ef开发者_StackOverflow中文版ficient check if overflow/underflow occurs on x86 left shift arithmetically?A good option is to perform an arithmetic shift right after the shift lef[详细]
2023-04-04 23:52 分类:问答Why does cmp 0x84,0x30 trigger the overflow flag?
I\'ve been playing with assembly for a while and looking at some code. in which AL is first set to 0x84 then cmp AL, 0x30 is used.[详细]
2023-04-01 07:22 分类:问答