user: 下面的汇编指令对应的C源代码是什么:

```asm
<merge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r8
  mov    %esi,%edi
  mov    %edx,%r13d
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %edx,%r11d
  sub    %esi,%r11d
  lea    0x1(%r11),%ebx
  sub    %edx,%ecx
  mov    %ecx,%r9d
  movslq %ebx,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L197:
  cmp    %rdx,%rsp
  je     L160
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L197
L160:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L205
  orq    $0x0,-0x8(%rsp,%rax,1)
L205:
  mov    %rsp,%r10
  movslq %r9d,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L118:
  cmp    %rdx,%rsp
  je     L71
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L118
L71:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L219
  orq    $0x0,-0x8(%rsp,%rax,1)
L219:
  mov    %rsp,%rsi
  test   %ebx,%ebx
  jle    L203
  mov    %r11d,%eax
  lea    0x4(,%rax,4),%r12
  movslq %edi,%rax
  lea    (%r8,%rax,4),%rcx
  mov    $0x0,%eax
L66:
  mov    (%rcx,%rax,1),%edx
  mov    %edx,(%r10,%rax,1)
  add    $0x4,%rax
  cmp    %r12,%rax
  jne    L66
L203:
  test   %r9d,%r9d
  jle    L201
  lea    0x1(%r9),%r12d
  movslq %r13d,%r13
  lea    (%r8,%r13,4),%rcx
  mov    $0x1,%eax
L166:
  mov    (%rcx,%rax,4),%edx
  mov    %edx,-0x4(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %r12,%rax
  jne    L166
  test   %ebx,%ebx
  jle    L237
  lea    0x1(%rdi),%edx
  movslq %edx,%rdx
  mov    $0x0,%eax
  mov    $0x0,%ecx
  jmp    L163
L72:
  mov    %edi,-0x4(%r8,%rdx,4)
  add    $0x1,%eax
L91:
  mov    %edx,%edi
  add    $0x1,%rdx
  cmp    %ebx,%ecx
  jge    L106
  cmp    %r9d,%eax
  jge    L106
L163:
  movslq %ecx,%rdi
  mov    (%r10,%rdi,4),%r12d
  movslq %eax,%rdi
  mov    (%rsi,%rdi,4),%edi
  cmp    %edi,%r12d
  jg     L72
  mov    %r12d,-0x4(%r8,%rdx,4)
  add    $0x1,%ecx
  jmp    L91
L106:
  cmp    %ebx,%ecx
  jge    L234
L13:
  mov    %ecx,%r12d
  mov    %r11d,%ebx
  sub    %ecx,%ebx
  movslq %ecx,%rcx
  lea    (%r10,%rcx,4),%r13
  movslq %edi,%rdx
  lea    (%r8,%rdx,4),%r10
  mov    $0x0,%edx
L180:
  mov    0x0(%r13,%rdx,4),%ecx
  mov    %ecx,(%r10,%rdx,4)
  mov    %rdx,%rcx
  add    $0x1,%rdx
  cmp    %rbx,%rcx
  jne    L180
  lea    0x1(%r11,%rdi,1),%edi
  sub    %r12d,%edi
L234:
  cmp    %r9d,%eax
  jge    L76
  cltq
  movslq %edi,%rdi
  sub    %rax,%rdi
  lea    (%r8,%rdi,4),%rcx
L55:
  mov    (%rsi,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r9d
  jg     L55
L76:
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L18
  lea    -0x18(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
L237:
  mov    $0x0,%eax
  jmp    L234
L201:
  mov    $0x0,%eax
  mov    $0x0,%ecx
  test   %ebx,%ebx
  jg     L13
  jmp    L76
L18:
  call   <__stack_chk_fail@plt>
```

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++;
  }
}
```