user: Demonstrate the C code that generates the assembly output below:

```asm
<merge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  sub    $0x50,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %esi,-0x4c(%rbp)
  mov    %edx,-0x50(%rbp)
  mov    %ecx,-0x54(%rbp)
  mov    %r8d,-0x58(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rsi
  movl   $0x4,-0x34(%rbp)
  mov    -0x34(%rbp),%eax
  movslq %eax,%rdi
  mov    $0x8,%eax
  mov    $0x0,%edx
  div    %rdi
  mov    %eax,-0x30(%rbp)
  mov    -0x4c(%rbp),%eax
  mov    %eax,-0x2c(%rbp)
  mov    -0x4c(%rbp),%eax
  mov    %eax,-0x38(%rbp)
  mov    -0x30(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x28(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  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
L121:
  cmp    %rdx,%rsp
  je     L2
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L121
L2:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L14
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L14:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x20(%rbp)
  jmp    L31
L143:
  mov    -0x4c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x48(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jge    L92
  mov    -0x4c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x20(%rbp),%rax
  mov    -0x38(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x4c(%rbp)
  jmp    L128
L92:
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x20(%rbp),%rax
  mov    -0x38(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x54(%rbp)
L128:
  addl   $0x1,-0x38(%rbp)
L31:
  mov    -0x4c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jg     L147
  mov    -0x54(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jle    L143
L147:
  mov    -0x4c(%rbp),%eax
  mov    %eax,-0x3c(%rbp)
  jmp    L36
L1:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x20(%rbp),%rax
  mov    -0x38(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x38(%rbp)
  addl   $0x1,-0x3c(%rbp)
L36:
  mov    -0x3c(%rbp),%eax
  cmp    -0x50(%rbp),%eax
  jle    L1
  mov    -0x54(%rbp),%eax
  mov    %eax,-0x3c(%rbp)
  jmp    L71
L124:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x20(%rbp),%rax
  mov    -0x38(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x38(%rbp)
  addl   $0x1,-0x3c(%rbp)
L71:
  mov    -0x3c(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jle    L124
  mov    -0x2c(%rbp),%eax
  mov    %eax,-0x3c(%rbp)
  jmp    L74
L106:
  mov    -0x3c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x20(%rbp),%rax
  mov    -0x3c(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %eax,(%rcx)
  addl   $0x1,-0x3c(%rbp)
L74:
  mov    -0x3c(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jle    L106
  mov    %rsi,%rsp
  nop
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L83
  call   <__stack_chk_fail@plt>
L83:
  lea    -0x10(%rbp),%rsp
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
```

assistant: ```c
void merge(int list[], int firstLeft, int lastLeft, int firstRight, int lastRight) {
  int int_size = sizeof(int);
  int length = sizeof(list) / int_size;
  int i;
  int saveFirst = firstLeft;
  int index = firstLeft;
  int temparray[length];
  while ((firstLeft <= lastLeft) && (firstRight <= lastRight)) {
    if (list[firstLeft] < list[firstRight]) {
      temparray[index] = list[firstLeft];
      firstLeft++;
    } else {
      temparray[index] = list[firstRight];
      firstRight++;
    }
    index++;
  }
  for (i = firstLeft; i <= lastLeft; i++) {
    temparray[index] = list[i];
    index++;
  }
  for (i = firstRight; i <= lastRight; i++) {
    temparray[index] = list[i];
    index++;
  }
  for (i = saveFirst; i <= lastRight; i++)
    list[i] = temparray[i];
}
```