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  1. --- stack.asm	2012-07-01 12:57:44.224441163 +0100
  2. +++ new.asm	2012-07-01 12:58:00.245440067 +0100
  3. @@ -9,19 +9,21 @@
  4.  	.type	main, @function
  5.  main:
  6.  .LFB3038:
  7. -	sub	rsp, 640008
  8. +	push	rbx
  9.  .LCFI0:
  10. +	mov	edi, 640000
  11. +	call	operator new(unsigned long)
  12.  	mov	edx, 1
  13. +	mov	rbx, rax
  14.  	xor	eax, eax
  15.  .L2:
  16. -	lea	rsi, [rsp]
  17. -	mov	rcx, rax
  18. -	sal	rcx, 5
  19. -	add	rcx, rsi
  20.  	lea	rsi, [0+rax*4]
  21. +	mov	rcx, rax
  22.  	add	rax, 1
  23.  	cvtsi2sd	xmm0, rsi
  24. +	sal	rcx, 5
  25.  	lea	rsi, [rdx+1]
  26. +	add	rcx, rbx
  27.  	movsd	QWORD PTR [rcx], xmm0
  28.  	cvtsi2sd	xmm0, rdx
  29.  	movsd	QWORD PTR [rcx+8], xmm0
  30. @@ -39,14 +41,13 @@
  31.  	mov	rdi, rax
  32.  	call	std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)
  33.  	xorpd	xmm3, xmm3
  34. -	xor	ecx, ecx
  35. +	xor	esi, esi
  36.  	movapd	xmm0, xmm3
  37.  .L3:
  38. -	lea	rdx, [rsp]
  39. -	mov	rax, rcx
  40. +	mov	rax, rsi
  41. +	xor	ecx, ecx
  42.  	sal	rax, 5
  43. -	add	rax, rdx
  44. -	xor	edx, edx
  45. +	add	rax, rbx
  46.  	movsd	xmm7, QWORD PTR [rax]
  47.  	movsd	xmm6, QWORD PTR [rax+8]
  48.  	movsd	xmm5, QWORD PTR [rax+16]
  49. @@ -54,39 +55,38 @@
  50.  	.p2align 4,,10
  51.  	.p2align 3
  52.  .L4:
  53. -	mov	rax, rdx
  54. +	mov	rdx, rcx
  55.  	movapd	xmm1, xmm7
  56.  	movapd	xmm2, xmm6
  57. -	lea	rsi, [rsp]
  58. -	sal	rax, 5
  59. -	add	rdx, 1
  60. -	add	rax, rsi
  61. -	cmp	rdx, 20000
  62. -	subsd	xmm1, QWORD PTR [rax]
  63. -	subsd	xmm2, QWORD PTR [rax+8]
  64. +	sal	rdx, 5
  65. +	add	rcx, 1
  66. +	add	rdx, rbx
  67. +	cmp	rcx, 20000
  68. +	subsd	xmm1, QWORD PTR [rdx]
  69. +	subsd	xmm2, QWORD PTR [rdx+8]
  70.  	mulsd	xmm1, xmm1
  71.  	mulsd	xmm2, xmm2
  72.  	addsd	xmm1, xmm3
  73.  	addsd	xmm1, xmm2
  74.  	movapd	xmm2, xmm5
  75. -	subsd	xmm2, QWORD PTR [rax+16]
  76. +	subsd	xmm2, QWORD PTR [rdx+16]
  77.  	mulsd	xmm2, xmm2
  78.  	addsd	xmm1, xmm2
  79.  	movapd	xmm2, xmm4
  80. -	subsd	xmm2, QWORD PTR [rax+24]
  81. +	subsd	xmm2, QWORD PTR [rdx+24]
  82.  	mulsd	xmm2, xmm2
  83.  	addsd	xmm1, xmm2
  84.  	addsd	xmm0, xmm1
  85.  	jne	.L4
  86. -	add	rcx, 1
  87. -	cmp	rcx, 20000
  88. +	add	rsi, 1
  89. +	cmp	rsi, 20000
  90.  	jne	.L3
  91.  	mov	edi, OFFSET FLAT:std::cout
  92.  	call	std::basic_ostream<char, std::char_traits<char> >& std::basic_ostream<char, std::char_traits<char> >::_M_insert<double>(double)
  93.  	mov	rdi, rax
  94.  	call	std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)
  95.  	xor	eax, eax
  96. -	add	rsp, 640008
  97. +	pop	rbx
  98.  .LCFI1:
  99.  	ret
  100.  .LFE3038:
  101. @@ -141,7 +141,9 @@
  102.  	.byte	0x4
  103.  	.long	.LCFI0-.LFB3038
  104.  	.byte	0xe
  105. -	.uleb128 0x9c410
  106. +	.uleb128 0x10
  107. +	.byte	0x83
  108. +	.uleb128 0x2
  109.  	.byte	0x4
  110.  	.long	.LCFI1-.LCFI0
  111.  	.byte	0xe
  112.  
Not running #stdin #stdout 0s 0KB
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https://ideone.com/udMVz
language:
Assembler 32bit (gcc 8.3)
created:
11 years ago
visibility:
public

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