user: Converte this assembly snippet into its equivalent C code:

```asm
<merge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  sub    $0x60,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %esi,-0x6c(%rbp)
  mov    %edx,-0x70(%rbp)
  mov    %ecx,-0x74(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rdi
  mov    -0x70(%rbp),%eax
  sub    -0x6c(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L65:
  cmp    %rdx,%rsp
  je     L191
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L65
L191:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L217
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L217:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x74(%rbp),%eax
  sub    -0x70(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x38(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  movslq %eax,%rdx
  mov    %rdx,%r8
  mov    $0x0,%r9d
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L32:
  cmp    %rdx,%rsp
  je     L6
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L32
L6:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L166
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L166:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x30(%rbp)
  movl   $0x0,-0x54(%rbp)
  movl   $0x0,-0x50(%rbp)
  mov    -0x6c(%rbp),%eax
  mov    %eax,-0x54(%rbp)
  jmp    L183
L158:
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x54(%rbp),%eax
  sub    -0x6c(%rbp),%eax
  mov    %eax,%edx
  mov    (%rcx),%ecx
  mov    -0x40(%rbp),%rax
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x54(%rbp)
L183:
  mov    -0x54(%rbp),%eax
  cmp    -0x70(%rbp),%eax
  jle    L158
  mov    -0x70(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x50(%rbp)
  jmp    L123
L103:
  mov    -0x50(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  add    %rax,%rdx
  mov    -0x50(%rbp),%eax
  sub    -0x70(%rbp),%eax
  lea    -0x1(%rax),%esi
  mov    (%rdx),%ecx
  mov    -0x30(%rbp),%rax
  movslq %esi,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x50(%rbp)
L123:
  mov    -0x50(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jle    L103
  mov    -0x6c(%rbp),%eax
  mov    %eax,-0x4c(%rbp)
  movl   $0x0,-0x50(%rbp)
  movl   $0x0,-0x54(%rbp)
  jmp    L173
L224:
  mov    -0x40(%rbp),%rax
  mov    -0x54(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%ecx
  mov    -0x30(%rbp),%rax
  mov    -0x50(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  cmp    %eax,%ecx
  jle    L225
  mov    -0x54(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x54(%rbp)
  mov    -0x4c(%rbp),%edx
  lea    0x1(%rdx),%ecx
  mov    %ecx,-0x4c(%rbp)
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x68(%rbp),%rdx
  add    %rdx,%rcx
  mov    -0x40(%rbp),%rdx
  cltq
  mov    (%rdx,%rax,4),%eax
  mov    %eax,(%rcx)
L225:
  mov    -0x30(%rbp),%rax
  mov    -0x50(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%ecx
  mov    -0x40(%rbp),%rax
  mov    -0x54(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  cmp    %eax,%ecx
  jl     L173
  mov    -0x50(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x50(%rbp)
  mov    -0x4c(%rbp),%edx
  lea    0x1(%rdx),%ecx
  mov    %ecx,-0x4c(%rbp)
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x68(%rbp),%rdx
  add    %rdx,%rcx
  mov    -0x30(%rbp),%rdx
  cltq
  mov    (%rdx,%rax,4),%eax
  mov    %eax,(%rcx)
L173:
  mov    -0x4c(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jg     L37
  mov    -0x70(%rbp),%eax
  sub    -0x6c(%rbp),%eax
  cmp    %eax,-0x54(%rbp)
  jg     L37
  mov    -0x74(%rbp),%eax
  sub    -0x70(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jl     L224
  jmp    L37
L163:
  mov    -0x54(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x54(%rbp)
  mov    -0x4c(%rbp),%edx
  lea    0x1(%rdx),%ecx
  mov    %ecx,-0x4c(%rbp)
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x68(%rbp),%rdx
  add    %rdx,%rcx
  mov    -0x40(%rbp),%rdx
  cltq
  mov    (%rdx,%rax,4),%eax
  mov    %eax,(%rcx)
L37:
  mov    -0x70(%rbp),%eax
  sub    -0x6c(%rbp),%eax
  cmp    %eax,-0x54(%rbp)
  jg     L219
  mov    -0x4c(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jle    L163
  jmp    L219
L195:
  mov    -0x50(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x50(%rbp)
  mov    -0x4c(%rbp),%edx
  lea    0x1(%rdx),%ecx
  mov    %ecx,-0x4c(%rbp)
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x68(%rbp),%rdx
  add    %rdx,%rcx
  mov    -0x30(%rbp),%rdx
  cltq
  mov    (%rdx,%rax,4),%eax
  mov    %eax,(%rcx)
L219:
  mov    -0x74(%rbp),%eax
  sub    -0x70(%rbp),%eax
  cmp    %eax,-0x50(%rbp)
  jge    L182
  mov    -0x4c(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jle    L195
L182:
  mov    %rdi,%rsp
  nop
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L134
  call   <__stack_chk_fail@plt>
L134:
  lea    -0x20(%rbp),%rsp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void merge(int arr[], int low, int mid, int high) {
  int A1[mid - low + 1];
  int A2[high - mid];
  int i = 0, j = 0;
  for (i = low; i <= mid; i++)
    A1[i - low] = arr[i];
  for (j = mid + 1; j <= high; j++)
    A2[j - mid - 1] = arr[j];
  int k = low;
  j = 0;
  i = 0;
  while (k <= high && i <= mid - low && j <= high - mid - 1) {
    if (A1[i] > A2[j])
      arr[k++] = A1[i++];
    if (A2[j] >= A1[i])
      arr[k++] = A2[j++];
  }
  while (i <= mid - low && k <= high)
    arr[k++] = A1[i++];
  while (j <= high - mid - 1 && k <= high)
    arr[k++] = A2[j++];
}
```