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  1. VC++ ASSEMBLY:
  2.  
  3. void baseline(signed n, signed& cr0) {
  4. 00401500  push        ebp  
  5. 00401501  mov         ebp,esp  
  6. 	cr0 = 4;
  7. 00401503  mov         eax,dword ptr [cr0]  
  8. 00401506  mov         dword ptr [eax],4  
  9. }
  10. 0040150C  pop         ebp  
  11. 0040150D  ret         8  
  12.  
  13. void jalf(signed n, signed& cr0) {
  14. 00401540  push        ebp  
  15. 00401541  mov         ebp,esp  
  16. 	cr0 = 1 << ((n >= 0) + (n == 0));
  17. 00401543  mov         eax,dword ptr [n]  
  18. 00401546  xor         ecx,ecx  
  19. 00401548  test        eax,eax  
  20. 0040154A  setns       cl  
  21. 0040154D  xor         edx,edx  
  22. 0040154F  test        eax,eax  
  23. 00401551  sete        dl  
  24. 00401554  mov         eax,1  
  25. 00401559  add         ecx,edx  
  26. 0040155B  shl         eax,cl  
  27. 0040155D  mov         ecx,dword ptr [cr0]  
  28. 00401560  mov         dword ptr [ecx],eax  
  29. }
  30. 00401562  pop         ebp  
  31. 00401563  ret         8  
  32.  
  33.  
  34.  
  35. GCC ASSEMBLY:
  36.  
  37. .globl __Z8baselineiRi
  38. 	.def	__Z8baselineiRi;	.scl	2;	.type	32;	.endef
  39. __Z8baselineiRi:
  40. 	pushl	%ebp
  41. 	movl	%esp, %ebp
  42. 	movl	12(%ebp), %eax
  43. 	movl	$4, (%eax)
  44. 	popl	%ebp
  45. 	ret
  46. 	.p2align 4,,15
  47.  
  48.  
  49. .globl __Z4jalfiRi
  50. 	.def	__Z4jalfiRi;	.scl	2;	.type	32;	.endef
  51. __Z4jalfiRi:
  52. 	pushl	%ebp
  53. 	xorl	%ecx, %ecx
  54. 	movl	%esp, %ebp
  55. 	movl	8(%ebp), %eax
  56. 	movl	12(%ebp), %edx
  57. 	testl	%eax, %eax
  58. 	notl	%eax
  59. 	sete	%cl
  60. 	shrl	$31, %eax
  61. 	addl	%eax, %ecx
  62. 	movl	$1, %eax
  63. 	sall	%cl, %eax
  64. 	movl	%eax, (%edx)
  65. 	popl	%ebp
  66. 	ret
  67. 	.p2align 4,,15
  68.  
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https://ideone.com/u1tlW
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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