.data
intout:     .string "0x%08x\n"

CRC32POLY:	.long 0x04C11DB7
	
datastream: .long 1,0,0,0,1,1,0,1
databits:	.long 8

.text
.globl main

main:        
movl $0, %eax 
movl $0 , %ecx
L1:

movl %eax , %ebx
and  $0x80000000 , %ebx
shrl $31 , %ebx
movl %ecx , %esi
cmpl %ebx , datastream(,%esi,4)
je equal

shll $1 , %eax
xor  CRC32POLY , %eax
jmp goAhead

equal:
shll $1 , %eax

goAhead:
inc %ecx
cmpl databits, %ecx
jne L1

pushl %eax
pushl $intout
call printf

.Exit:
	movl  $1,  %eax
	int  $0x80