3 ms·
Actually, there is no 32-bit pop instruction in x86-64 mode. Your code won't work.
by nayuki 9y ago
Actually, there is no 32-bit pop instruction in x86-64 mode. Your code won't work.
- gsg 9y agoYou're right: it should be pushq $1/pop %rax (which is also three bytes, although there will be a prefix byte for registers r8 through r15).