~cpp
int i=123;
i-=4;
movl $123, -4(%ebp)
leal -4(%ebp), %eax
subl $4, (%eax)
movl $123, -4(%ebp)
subl $4, -4(%ebp)
했 GNU Compiler %eax 포 한.
?
~cpp
int i=123;
i-=4;
movl $123, -4(%ebp)
leal -4(%ebp), %eax
subl $4, (%eax)