user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<setup>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdi,0x20(%rsp)
  mov    %rsi,0x28(%rsp)
  mov    %rdx,%rbx
  mov    %rcx,0x18(%rsp)
  mov    %r8,0x30(%rsp)
  cmp    $0x5,%rdx
  jbe    L82
  mov    %rdx,%rsi
  and    $0x1,%esi
  add    $0x4,%rsi
  mov    %rdx,%rbp
  sub    %rsi,%rbp
  mov    0x18(%rsp),%r15
  mov    %r15,%rdx
  imul   %r15,%rbp
  mov    0x20(%rsp),%r14
  lea    (%r14,%rbp,1),%r12
  mov    %r12,0x38(%rsp)
  mov    0x30(%rsp),%rcx
  mov    %r12,%rdi
  call   <insertionsort@plt>
  imul   %r15,%rbx
  mov    0x28(%rsp),%r13
  add    %r13,%rbx
  mov    %rbx,0x58(%rsp)
  lea    0x7(%r13,%rbp,1),%rax
  and    $0xfffffffffffffff8,%rax
  mov    %rbx,(%rax)
  mov    %r14,%rbx
  mov    %r14,%rsi
  mov    %r15,%r14
  add    %r15,%rsi
  mov    %rbx,%rdi
  mov    0x30(%rsp),%rax
  call   *%rax
  test   %eax,%eax
  setg   %r15b
  movzbl %r15b,%r15d
  cmp    %rbx,%r12
  jbe    L108
  mov    %r14,%rdx
  lea    (%r14,%r14,1),%rax
  mov    %rax,0x8(%rsp)
  mov    %r13,%rbp
  neg    %rdx
  mov    %rdx,0x10(%rsp)
  jmp    L256
L82:
  mov    %r8,%rcx
  mov    0x18(%rsp),%r15
  mov    %r15,%rdx
  mov    %rbx,%rsi
  call   <insertionsort@plt>
  mov    0x28(%rsp),%rdi
  lea    0x7(%rdi),%rax
  and    $0xfffffffffffffff8,%rax
  mov    %r15,%rdx
  imul   %rbx,%rdx
  add    %rdi,%rdx
  mov    %rdx,(%rax)
  jmp    L108
L160:
  mov    %r14,%r12
  mov    0x8(%rsp),%r8
  jmp    L173
L48:
  mov    0x8(%rsp),%r8
  jmp    L173
L76:
  add    %r8,%rbx
  cmp    %r12,%rbx
  jae    L236
L173:
  lea    0x7(%rbp),%rax
  and    $0xfffffffffffffff8,%rax
  lea    (%rbx,%r8,1),%rbp
  sub    0x20(%rsp),%rbp
  add    0x28(%rsp),%rbp
  mov    %rbp,(%rax)
  test   %r15d,%r15d
  jle    L76
  mov    0x18(%rsp),%rax
  lea    (%rbx,%rax,1),%rdi
  mov    %rdi,%rdx
  mov    %rbx,%rax
L35:
  movzbl (%rax),%ecx
  add    $0x1,%rax
  movzbl (%rdx),%esi
  mov    %sil,-0x1(%rax)
  add    $0x1,%rdx
  mov    %cl,-0x1(%rdx)
  cmp    %rax,%rdi
  jne    L35
  jmp    L76
L123:
  mov    0x18(%rsp),%r8
  lea    (%rbx,%r8,1),%rdi
L158:
  mov    %r13,%rdx
  mov    %rbx,%rax
L24:
  movzbl (%rax),%ecx
  add    $0x1,%rax
  movzbl (%rdx),%esi
  mov    %sil,-0x1(%rax)
  add    $0x1,%rdx
  mov    %cl,-0x1(%rdx)
  cmp    %rdi,%rax
  jne    L24
  add    %r8,%rbx
  add    0x10(%rsp),%r13
  add    %r8,%rdi
  cmp    %r13,%rbx
  jb     L158
  mov    %r14,%rbx
L88:
  add    0x8(%rsp),%r14
  cmp    %r12,%r14
  jae    L258
L75:
  mov    %r14,%r13
  sub    0x18(%rsp),%r13
  mov    %r14,%rsi
  mov    %r13,%rdi
  mov    0x30(%rsp),%rax
  call   *%rax
  test   %eax,%eax
  setg   %al
  movzbl %al,%eax
  cmp    %r15d,%eax
  je     L88
  lea    0x7(%rbp),%rax
  and    $0xfffffffffffffff8,%rax
  mov    %r14,%rbp
  sub    0x20(%rsp),%rbp
  add    0x28(%rsp),%rbp
  mov    %rbp,(%rax)
  test   %r15d,%r15d
  jg     L123
  mov    %r14,%rbx
  jmp    L88
L258:
  test   %r15d,%r15d
  jg     L19
L281:
  cmp    %r14,0x38(%rsp)
  ja     L62
  mov    %r14,%rdi
  sub    0x18(%rsp),%rdi
  mov    %r14,%rsi
  mov    0x30(%rsp),%rax
  call   *%rax
  test   %eax,%eax
  jle    L170
L62:
  lea    0x7(%rbp),%rax
  and    $0xfffffffffffffff8,%rax
  mov    %r14,%rbp
  sub    0x20(%rsp),%rbp
  add    0x28(%rsp),%rbp
  mov    %rbp,(%rax)
  mov    %r14,%rbx
L236:
  xor    $0x1,%r15d
  cmp    %rbx,0x38(%rsp)
  jbe    L108
L256:
  mov    0x8(%rsp),%rax
  lea    (%rbx,%rax,1),%r14
  mov    0x38(%rsp),%rax
  cmp    %r14,%rax
  jbe    L160
  mov    %r14,%r12
  mov    $0x2,%r13d
  mov    %rbp,0x40(%rsp)
  mov    %rbx,0x48(%rsp)
  mov    %rax,%rbx
  mov    %r14,0x50(%rsp)
  mov    0x18(%rsp),%r14
  mov    0x30(%rsp),%rbp
L114:
  lea    (%r12,%r14,1),%rsi
  mov    %r12,%rdi
  call   *%rbp
  test   %eax,%eax
  setg   %al
  movzbl %al,%eax
  cmp    %r15d,%eax
  jne    L55
  add    $0x2,%r13d
  add    0x8(%rsp),%r12
  cmp    %r12,%rbx
  ja     L114
L55:
  mov    0x40(%rsp),%rbp
  mov    0x48(%rsp),%rbx
  mov    0x50(%rsp),%r14
  cmp    $0xf,%r13d
  jle    L48
  cmp    %r12,%r14
  jb     L75
  test   %r15d,%r15d
  jle    L62
L19:
  mov    %r14,%r8
  mov    0x18(%rsp),%r9
  sub    %r9,%r8
  lea    (%rbx,%r9,1),%rdi
L235:
  mov    %r8,%rdx
  mov    %rbx,%rax
L100:
  movzbl (%rax),%ecx
  add    $0x1,%rax
  movzbl (%rdx),%esi
  mov    %sil,-0x1(%rax)
  add    $0x1,%rdx
  mov    %cl,-0x1(%rdx)
  cmp    %rdi,%rax
  jne    L100
  add    %r9,%rbx
  add    0x10(%rsp),%r8
  add    %r9,%rdi
  cmp    %r8,%rbx
  jb     L235
  jmp    L281
L170:
  lea    0x7(%rbp),%rax
  and    $0xfffffffffffffff8,%rax
  mov    0x58(%rsp),%rbx
  mov    %rbx,(%rax)
L108:
  add    $0x68,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void setup(unsigned char *list1, unsigned char *list2, size_t n, size_t size, int (*cmp)(const void *, const void *)) {
  size_t i;
  unsigned int tmp;
  int length, sense;
  size_t size2;
  unsigned char *f1, *f2, *s, *l2, *last, *p2;
  size2 = size * 2;
  if (n <= 5) {
    insertionsort(list1, n, size, cmp);
    *(unsigned char **)((unsigned char *)0 + (((unsigned char *)list2 + sizeof(unsigned char *) - 1 - (unsigned char *)0) & ~(sizeof(unsigned char *) - 1))) = (unsigned char *)list2 + n * size;
    return;
  }
  i = 4 + (n & 1);
  insertionsort(list1 + (n - i) * size, i, size, cmp);
  last = list1 + size * (n - i);
  *(unsigned char **)((unsigned char *)0 + (((unsigned char *)list2 + (last - list1) + sizeof(unsigned char *) - 1 - (unsigned char *)0) & ~(sizeof(unsigned char *) - 1))) = list2 + n * size;
  p2 = list2;
  f1 = list1;
  sense = (cmp(f1, f1 + size) > 0);
  for (; f1 < last; sense = !sense) {
    length = 2;
    for (f2 = f1 + size2; f2 < last; f2 += size2) {
      if ((cmp(f2, f2 + size) > 0) != sense)
        break;
      length += 2;
    }
    if (length < 16) {
      do {
        p2 = *(unsigned char **)((unsigned char *)0 + (((unsigned char *)p2 + sizeof(unsigned char *) - 1 - (unsigned char *)0) & ~(sizeof(unsigned char *) - 1))) = f1 + size2 - list1 + list2;
        if (sense > 0) {
          s = f1 + size;
          i = size;
          do {
            tmp = *f1;
            *f1++ = *s;
            *s++ = tmp;
          } while (--i);
          f1 -= size;
        };
      } while ((f1 += size2) < f2);
    } else {
      l2 = f2;
      for (f2 = f1 + size2; f2 < l2; f2 += size2) {
        if ((cmp(f2 - size, f2) > 0) != sense) {
          p2 = *(unsigned char **)((unsigned char *)0 + (((unsigned char *)p2 + sizeof(unsigned char *) - 1 - (unsigned char *)0) & ~(sizeof(unsigned char *) - 1))) = f2 - list1 + list2;
          if (sense > 0) {
            s = f2 - size;
            do {
              i = size;
              do {
                tmp = *f1;
                *f1++ = *s;
                *s++ = tmp;
              } while (--i);
              s -= size2;
            } while (f1 < s);
          };
          f1 = f2;
        }
      }
      if (sense > 0) {
        s = f2 - size;
        do {
          i = size;
          do {
            tmp = *f1;
            *f1++ = *s;
            *s++ = tmp;
          } while (--i);
          s -= size2;
        } while (f1 < s);
      };
      f1 = f2;
      if (f2 < last || cmp(f2 - size, f2) > 0)
        p2 = *(unsigned char **)((unsigned char *)0 + (((unsigned char *)p2 + sizeof(unsigned char *) - 1 - (unsigned char *)0) & ~(sizeof(unsigned char *) - 1))) = f2 - list1 + list2;
      else
        p2 = *(unsigned char **)((unsigned char *)0 + (((unsigned char *)p2 + sizeof(unsigned char *) - 1 - (unsigned char *)0) & ~(sizeof(unsigned char *) - 1))) = list2 + n * size;
    }
  }
}
```