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  1. .data
  2. x:	.long	0
  3. s:	.string "%d\n\0"
  4. .text
  5. .global main
  6. main:
  7. 	pushl	$x
  8. 	pushl	$s
  9. 	call	scanf
  10. 	addl	$8, %esp
  11. 	cmp		$3, x
  12. 	jl		zero
  13. 	bsr		x, %ecx
  14. 	xor		%eax, %eax
  15. 	inc		%eax
  16. 	shl		%cl, %eax
  17. 	mov		%eax, %ecx
  18. 	shr		%ecx
  19. 	add		%ecx, %eax
  20. 	sub		x, %eax
  21. 	cdq
  22. 	xor		%edx, %eax
  23. 	sub		%edx, %eax
  24. 	sub		%ecx, %eax
  25. 	neg		%eax
  26. print:
  27. 	mov		%eax, x
  28. 	pushl	x
  29. 	pushl	$s
  30. 	call	printf
  31. 	addl	$8, %esp
  32. 	xor		%eax, %eax
  33. 	ret
  34. zero:
  35. 	xor		%eax, %eax
  36. 	jmp		print
Success #stdin #stdout 0s 1728KB
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https://ideone.com/ROocYY
language:
Assembler 32bit (gcc 8.3)
created:
8 years ago
visibility:
public

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