user: What is the c source code of the assembly code below:

```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,%rsi
  mov    -0x70(%rbp),%eax
  sub    -0x6c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x50(%rbp)
  mov    -0x74(%rbp),%eax
  sub    -0x70(%rbp),%eax
  mov    %eax,-0x4c(%rbp)
  mov    -0x50(%rbp),%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,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L129:
  cmp    %rdx,%rsp
  je     L187
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L129
L187:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L101
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L101:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x4c(%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,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L69:
  cmp    %rdx,%rsp
  je     L189
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L69
L189:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L5
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L5:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x30(%rbp)
  movl   $0x0,-0x5c(%rbp)
  jmp    L168
L191:
  mov    -0x5c(%rbp),%edx
  mov    -0x6c(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x5c(%rbp)
L168:
  mov    -0x5c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jl     L191
  movl   $0x0,-0x5c(%rbp)
  jmp    L95
L0:
  mov    -0x5c(%rbp),%edx
  mov    -0x70(%rbp),%eax
  add    %edx,%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x30(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x5c(%rbp)
L95:
  mov    -0x5c(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L0
  movl   $0x0,-0x58(%rbp)
  mov    -0x58(%rbp),%eax
  mov    %eax,-0x5c(%rbp)
  mov    -0x6c(%rbp),%eax
  mov    %eax,-0x54(%rbp)
  jmp    L31
L143:
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%ecx
  mov    -0x30(%rbp),%rax
  mov    -0x58(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  cmp    %eax,%ecx
  jg     L165
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %eax,(%rcx)
  addl   $0x1,-0x5c(%rbp)
  jmp    L73
L165:
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x30(%rbp),%rax
  mov    -0x58(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %eax,(%rcx)
  addl   $0x1,-0x58(%rbp)
L73:
  addl   $0x1,-0x54(%rbp)
L31:
  mov    -0x5c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jge    L112
  mov    -0x58(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L143
  jmp    L112
L39:
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %eax,(%rcx)
  addl   $0x1,-0x5c(%rbp)
  addl   $0x1,-0x54(%rbp)
L112:
  mov    -0x5c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jl     L39
  jmp    L104
L28:
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x68(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x30(%rbp),%rax
  mov    -0x58(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %eax,(%rcx)
  addl   $0x1,-0x58(%rbp)
  addl   $0x1,-0x54(%rbp)
L104:
  mov    -0x58(%rbp),%eax
  cmp    -0x4c(%rbp),%eax
  jl     L28
  mov    %rsi,%rsp
  nop
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L139
  call   <__stack_chk_fail@plt>
L139:
  lea    -0x20(%rbp),%rsp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void merge(int array[], int p, int q, int r) {
  int i, j;
  int n1 = q - p + 1;
  int n2 = r - q;
  int b[n1], c[n2];
  for (i = 0; i < n1; ++i) {
    b[i] = array[i + p];
  }
  for (i = 0; i < n2; ++i) {
    c[i] = array[i + q + 1];
  }
  i = j = 0;
  int k = p;
  while ((i < n1) && (j < n2)) {
    if (b[i] <= c[j]) {
      array[k] = b[i];
      i++;
    } else {
      array[k] = c[j];
      j++;
    }
    k++;
  }
  while (i < n1) {
    array[k] = b[i];
    i++;
    k++;
  }
  while (j < n2) {
    array[k] = c[j];
    j++;
    k++;
  }
}
```