2017-2018-1 20155331 《信息安全系统设计基础》第八周课堂测试
第八周课下作业1
测试代码
int main()
{
int i;
int data[10]={54,63,0,-12,45,34523,34,-4,0,345};
bubble_a(data,10);
for(i=0;i<10;i++)
{
printf("%d ",*(data+i));
}
}
Y86代码
bubble_a:
pushl %ebp
rrmovl %esp, %ebp
irmovl $16,%esi
subl %esi, %esp
irmovl $1,%esi
rmmovl %esi, -8(%ebp)
jmp .L2
.L6:
mrmovl -8(%ebp), %eax
irmovl $1,%esi
subl %esi, %eax
rmmovl %eax, -12(%ebp)
jmp .L3
.L5:
mrmovl -12(%ebp), %eax
irmovl $1,%esi
addl %esi, %eax
addl %eax,%eax
addl %eax,%eax
mrmovl 8(%ebp),%esi
addl %esi, %eax
mrmovl (%eax), %edx
mrmovl -12(%ebp), %eax
addl %eax,%eax
addl %eax,%eax
mrmovl 8(%ebp),%esi
addl %esi, %eax
mrmovl (%eax), %eax
rrmovl %eax,%esi
rrmovl %edx,%edi
subl %esi,%edi
jge .L4
mrmovl -12(%ebp), %eax
irmovl $1,%esi
addl %esi, %eax
addl %eax,%eax
addl %eax,%eax
mrmovl 8(%ebp),%esi
addl %esi, %eax
mrmovl (%eax), %eax
rmmovl %eax, -4(%ebp)
mrmovl -12(%ebp), %eax
irmovl $1,%esi
addl $esi, %eax
addl %eax,%eax
addl %eax,%eax
mrmovl 8(%ebp),%esi
addl %esi, %eax
mrmovl -12(%ebp), %edx
addl %edx,%edx
addl %edx,%edx
mrmovl 8(%ebp),%esi
addl %esi, %edx
mrmovl (%edx), %edx
rmmovl %edx, (%eax)
mrmovl -12(%ebp), %eax
addl %eax,%eax
addl %eax,%eax
mrmovl 8(%ebp),%esi
addl %esi, %eax
mrmovl -4(%ebp), %edx
rmmovl %edx, (%eax)
.L4:
irmovl $1,%esi
mrmovl -12(%ebp),%edi
subl %esi,%edi
rmmovl %edi, -12(%ebp)
.L3:
irmovl $0,%esi
mrmovl -12(%ebp),%edi
subl %esi,%edi
jns .L5
irmovl $1,%esi
mrmovl -8(%ebp),%edi
addl %esi,%edi
rmmovl %edi, -8(%ebp)
.L2:
mrmovl -8(%ebp), %eax
mrmovl 12(%ebp),%esi
rrmovl %eax,%edi
subl %esi, %edi
jl .L6
rrmovl %ebp,%esp
popl %ebp
ret
.size bubble_a, .-bubble_a
.section .rodata
.LC0:
.string "%d "
.text
.globl main
.type main, @function
main:
pushl %ebp
rrmovl %esp, %ebp
irmovl $-16,%esi
andl %esi, %esp
irmovl $64,%esi
subl %esi, %esp
irmovl $54,%esi
rmmovl %esi, 20(%esp)
irmovl $63,%esi
rmmovl %esi, 24(%esp)
irmovl $0,%esi
rmmovl %esi, 28(%esp)
irmovl $-12,%esi
rmmovl %esi, 32(%esp)
irmovl $45,%esi
rmmovl %esi, 36(%esp)
irmovl $34523,%esi
rmmovl %esi, 40(%esp)
irmovl $34,%esi
rmmovl %esi, 44(%esp)
irmovl $-4,%esi
rmmovl %esi, 48(%esp)
irmovl $0,%esi
rmmovl %esi, 52(%esp)
irmovl $345,%esi
rmmovl %esi, 56(%esp)
irmovl $10,%esi
rmmovl %esi, 4(%esp)
rrmovl %esp,%eax
irmovl $20,%esi
addl %esi,%eax
rmmovl %eax, (%esp)
call bubble_a
irmovl $0,%esi
rmmovl %esi, 60(%esp)
jmp .L9
.L10:
mrmovl 60(%esp), %eax
rrmovl %eax,%edx
addl %edx,%edx
addl %edx,%edx
rrmovl %esp,%eax
irmovl $20,%esi
addl %esi,%eax
addl %edx, %eax
mrmovl (%eax), %edx
rmmovl $.LC0, %eax
rmmovl %edx, 4(%esp)
rmmovl %eax, (%esp)
call printf
irmovl $1,%esi
mrmovl 60(%esp),%edi
addl %esi,%edi
rmmovl %edi,60(%esp);
.L9:
irmovl $9,%esi
mrmovl 60(%esp),%edi
subl %esi,%edi
jle .L10
rrmovl %ebp,%esp
popl %ebp
ret