user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xb8,%rsp
  mov    %fs:0x28,%rdx
  mov    %rdx,0xa8(%rsp)
  xor    %edx,%edx
  cmp    $0x1,%edi
  jg     L35
L93:
  lea    0x80(%rsp),%rsi
  lea    0x78(%rsp),%rdi
  mov    $0x84,%edx
  call   <allocate@plt>
  lea    0x90(%rsp),%rsi
  lea    0x88(%rsp),%rdi
  mov    $0x84,%edx
  call   <allocate@plt>
  lea    0xa0(%rsp),%rsi
  lea    0x98(%rsp),%rdi
  mov    $0x84,%edx
  call   <allocate@plt>
  mov    $0x84,%ecx
  movss  D35(%rip),%xmm1
  movss  D107(%rip),%xmm0
  mov    0xa0(%rsp),%rdx
  mov    0x80(%rsp),%rsi
  mov    0x90(%rsp),%rdi
  call   <initialize@plt>
  mov    $0x84,%edx
  mov    $0x0,%esi
  mov    0x80(%rsp),%rdi
  call   <write@plt>
  mov    $0x0,%eax
  call   <seconds@plt>
  movsd  %xmm0,0x50(%rsp)
  movl   $0x3e8,0x68(%rsp)
L94:
  movl   $0x0,0x4c(%rsp)
  jmp    L103
L35:
  mov    0x8(%rsi),%rdi
  call   <atoi@plt>
  mov    %eax,%ebx
  mov    %eax,0x68(%rsp)
  test   %eax,%eax
  je     L93
  lea    0x80(%rsp),%rsi
  lea    0x78(%rsp),%rdi
  mov    $0x84,%edx
  call   <allocate@plt>
  lea    0x90(%rsp),%rsi
  lea    0x88(%rsp),%rdi
  mov    $0x84,%edx
  call   <allocate@plt>
  lea    0xa0(%rsp),%rsi
  lea    0x98(%rsp),%rdi
  mov    $0x84,%edx
  call   <allocate@plt>
  mov    $0x84,%ecx
  movss  D35(%rip),%xmm1
  movss  D107(%rip),%xmm0
  mov    0xa0(%rsp),%rdx
  mov    0x80(%rsp),%rsi
  mov    0x90(%rsp),%rdi
  call   <initialize@plt>
  mov    $0x84,%edx
  mov    $0x0,%esi
  mov    0x80(%rsp),%rdi
  call   <write@plt>
  mov    $0x0,%eax
  call   <seconds@plt>
  movsd  %xmm0,0x50(%rsp)
  test   %ebx,%ebx
  jg     L94
L109:
  mov    $0x0,%eax
  call   <seconds@plt>
  movq   %xmm0,%rbp
  pxor   %xmm0,%xmm0
  cvtsi2sdl 0x68(%rsp),%xmm0
  mulsd  D106(%rip),%xmm0
  mulsd  D47(%rip),%xmm0
  movq   %xmm0,%rbx
  lea    D124(%rip),%rdi
  call   <printf@plt>
  movq   %rbp,%xmm2
  subsd  0x50(%rsp),%xmm2
  movq   %xmm2,%rbp
  movapd %xmm2,%xmm0
  lea    D16(%rip),%rdi
  call   <printf@plt>
  movq   %rbp,%xmm1
  mulsd  D84(%rip),%xmm1
  movq   %rbx,%xmm0
  divsd  %xmm1,%xmm0
  lea    D114(%rip),%rdi
  call   <printf@plt>
  mov    0x88(%rsp),%rdi
  call   <free@plt>
  mov    0x78(%rsp),%rdi
  call   <free@plt>
  mov    0x98(%rsp),%rdi
  call   <free@plt>
  mov    0xa8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  mov    $0x0,%eax
  add    $0xb8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L34:
  mov    0x90(%rsp),%rax
  mov    0x80(%rsp),%rdx
  mov    %rdx,0x90(%rsp)
  mov    0xa0(%rsp),%rdx
  mov    %rdx,0x80(%rsp)
  mov    %rax,0xa0(%rsp)
  addl   $0x1,0x4c(%rsp)
  mov    0x4c(%rsp),%eax
  cmp    0x68(%rsp),%eax
  jge    L109
L103:
  movl   $0x108,0x6c(%rsp)
  movq   $0x226a8,0x60(%rsp)
  movq   $0x8928,0x58(%rsp)
L37:
  addl   $0x84,0x6c(%rsp)
  mov    0x58(%rsp),%rbx
  lea    0x84(%rbx),%r15
  lea    -0x84(%rbx),%rax
  mov    %rax,0x8(%rsp)
  mov    %rbx,%rax
  add    $0x4410,%rbx
  mov    %rbx,0x58(%rsp)
  lea    -0x4410(%rax),%rdi
  mov    %rdi,0x18(%rsp)
  lea    0x108(%rax),%rdi
  mov    %rdi,0x20(%rsp)
  lea    -0x108(%rax),%rdi
  mov    %rdi,0x28(%rsp)
  lea    0x8820(%rax),%rdi
  mov    %rdi,0x30(%rsp)
  lea    -0x8820(%rax),%rdi
  mov    %rdi,0x38(%rsp)
  mov    0x60(%rsp),%rdi
  mov    %rbx,0x10(%rsp)
  mov    %rax,%r14
  add    $0x4200,%rax
  mov    %rax,0x40(%rsp)
L67:
  lea    -0x200(%rdi),%rdx
  mov    %r15,%r13
  sub    %r14,%r13
  shl    $0x2,%r13
  mov    0x8(%rsp),%r12
  sub    %r14,%r12
  shl    $0x2,%r12
  mov    0x10(%rsp),%rbp
  sub    %r14,%rbp
  shl    $0x2,%rbp
  mov    0x18(%rsp),%rbx
  sub    %r14,%rbx
  shl    $0x2,%rbx
  mov    0x20(%rsp),%r11
  sub    %r14,%r11
  shl    $0x2,%r11
  mov    0x28(%rsp),%r10
  sub    %r14,%r10
  shl    $0x2,%r10
  mov    0x30(%rsp),%r9
  sub    %r14,%r9
  shl    $0x2,%r9
  mov    0x38(%rsp),%r8
  sub    %r14,%r8
  shl    $0x2,%r8
L72:
  mov    0x80(%rsp),%rsi
  movss  D82(%rip),%xmm1
  mulss  (%rsi,%rdx,1),%xmm1
  mov    0x90(%rsp),%rax
  subss  (%rax,%rdx,1),%xmm1
  mov    %rdx,%rax
  add    $0x4,%rdx
  movss  -0x4(%rsi,%rax,1),%xmm0
  addss  (%rsi,%rdx,1),%xmm0
  lea    (%rsi,%rax,1),%rcx
  addss  (%rcx,%r13,1),%xmm0
  addss  (%rcx,%r12,1),%xmm0
  addss  (%rcx,%rbp,1),%xmm0
  addss  (%rcx,%rbx,1),%xmm0
  mulss  D66(%rip),%xmm0
  addss  %xmm1,%xmm0
  movss  0x8(%rsi,%rax,1),%xmm1
  addss  -0x8(%rsi,%rax,1),%xmm1
  addss  (%rcx,%r11,1),%xmm1
  addss  (%rcx,%r10,1),%xmm1
  addss  (%rcx,%r9,1),%xmm1
  addss  (%rcx,%r8,1),%xmm1
  mulss  D44(%rip),%xmm1
  addss  %xmm1,%xmm0
  mov    0xa0(%rsp),%rcx
  movss  %xmm0,(%rcx,%rax,1)
  cmp    %rdi,%rdx
  jne    L72
  add    $0x84,%r15
  add    $0x84,%r14
  addq   $0x84,0x8(%rsp)
  addq   $0x84,0x10(%rsp)
  addq   $0x84,0x18(%rsp)
  addq   $0x84,0x20(%rsp)
  addq   $0x84,0x28(%rsp)
  addq   $0x84,0x30(%rsp)
  addq   $0x84,0x38(%rsp)
  add    $0x210,%rdi
  cmp    0x40(%rsp),%r14
  jne    L67
  addq   $0x11040,0x60(%rsp)
  cmpl   $0x4308,0x6c(%rsp)
  jne    L37
  mov    0x4c(%rsp),%edi
  movslq %edi,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  mov    %edi,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  cmp    %eax,%edi
  jne    L34
  lea    0x1(%rdi),%esi
  mov    $0x84,%edx
  mov    0xa0(%rsp),%rdi
  call   <write@plt>
  jmp    L34
L28:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D35
data_type: byte[4]
name: retrieve_data
arguments: label: D107
data_type: byte[4]
name: retrieve_data
arguments: label: D106
data_type: byte[8]
name: retrieve_data
arguments: label: D47
data_type: f64
name: retrieve_data
arguments: label: D124
data_type: string
name: retrieve_data
arguments: label: D16
data_type: string
name: retrieve_data
arguments: label: D84
data_type: f64
name: retrieve_data
arguments: label: D114
data_type: string
name: retrieve_data
arguments: label: D82
data_type: byte[4]
name: retrieve_data
arguments: label: D66
data_type: byte[4]
name: retrieve_data
arguments: label: D44
data_type: byte[4]

tool: {"D35": [0xf8,0x03,0x7e,0x3c]}

tool: {"D107": [0x00,0x00,0x80,0xbf]}

tool: {"D106": [0x00,0x00,0x00,0x00,0x00,0x00,0x40,0x41]}

tool: D47: 16

tool: D124: Flops in stencil code:      %e


tool: D16: Time spent in stencil code: %f


tool: D84: 1000000000

tool: D114: Performance in GFlop/s:     %f


tool: {"D82": [0x9a,0x99,0xfd,0x3f]}

tool: {"D66": [0x0f,0x74,0x5a,0x3b]}

tool: {"D44": [0x0f,0x74,0x5a,0xb9]}

assistant: ```c
int main(int argc, char **argv) {
  int t;
  double t1, t2, num_flops;
  int num_timesteps = 0;
  if (argc > 1)
    num_timesteps = atoi(argv[1]);
  if (num_timesteps == 0)
    num_timesteps = 1000;
  const int size = 128 + 4;
  const float min_x = -1.0f;
  const float max_x = 1.0f;
  const float dx = (max_x - min_x) / (128 + 1);
  const float dt = dx / 20.0f;
  const float dt_dx_square = dt * dt / (dx * dx);
  float *_U_0, *U_0;
  float *_U_m1, *U_m1;
  float *_U_1, *U_1;
  allocate(&_U_0, &U_0, size);
  allocate(&_U_m1, &U_m1, size);
  allocate(&_U_1, &U_1, size);
  initialize(U_m1, U_0, U_1, min_x, dx, size);
  write(U_0, 0, size);
  const float c0 = 2.0f - 7.5f * dt_dx_square;
  const float c1 = 4.0f / 3.0f * dt_dx_square;
  const float c2 = -1.0f / 12.0f * dt_dx_square;
  t1 = seconds();
  for (t = 0; t < num_timesteps; t++) {
    int i, j, k;
#pragma omp parallel for private(i, j, k)
    for (k = 2; k < size - 2; k++) {
      for (j = 2; j < size - 2; j++) {
        for (i = 2; i < size - 2; i++) {
          U_1[((i) + size * ((j) + size * (k)))] = c0 * U_0[((i) + size * ((j) + size * (k)))] - U_m1[((i) + size * ((j) + size * (k)))] + c1 * (U_0[((i + 1) + size * ((j) + size * (k)))] + U_0[((i - 1) + size * ((j) + size * (k)))] + U_0[((i) + size * ((j + 1) + size * (k)))] + U_0[((i) + size * ((j - 1) + size * (k)))] + U_0[((i) + size * ((j) + size * (k + 1)))] + U_0[((i) + size * ((j) + size * (k - 1)))]) + c2 * (U_0[((i + 2) + size * ((j) + size * (k)))] + U_0[((i - 2) + size * ((j) + size * (k)))] + U_0[((i) + size * ((j + 2) + size * (k)))] + U_0[((i) + size * ((j - 2) + size * (k)))] + U_0[((i) + size * ((j) + size * (k + 2)))] + U_0[((i) + size * ((j) + size * (k - 2)))]);
        }
      }
    }
    if (t % 10 == 0)
      write(U_1, t + 1, size);
    float *tmp = U_m1;
    U_m1 = U_0;
    U_0 = U_1;
    U_1 = tmp;
  }
  t2 = seconds();
  num_flops = (double)(size - 4) * (double)(size - 4) * (double)(size - 4) * num_timesteps * 16.0;
  printf("Flops in stencil code:      %e\n", num_flops);
  printf("Time spent in stencil code: %f\n", t2 - t1);
  printf("Performance in GFlop/s:     %f\n", num_flops / (1e9 * (t2 - t1)));
  free(_U_m1);
  free(_U_0);
  free(_U_1);
  return 0;
}
```