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

```asm
<mergeKListsDC>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  sub    $0x38,%rsp
  cmp    %edx,%ebp
  je     L272
  lea    0x1(%rbp),%ebx
  cmp    %edx,%ebx
  je     L349
  lea    0x0(%rbp,%rdx,1),%eax
  mov    %eax,%r13d
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  lea    0x1(%r13),%r8d
  cmp    %edx,%r8d
  je     L503
  lea    0x2(%r13),%eax
  mov    %eax,(%rsp)
  cmp    %eax,%edx
  je     L265
  lea    (%r8,%rdx,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  lea    0x1(%r14),%r9d
  cmp    %r9d,%edx
  je     L498
  lea    0x2(%r14),%r10d
  cmp    %r10d,%edx
  je     L400
  lea    (%rdx,%r9,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  lea    0x1(%r15),%r11d
  cmp    %r11d,%edx
  je     L124
  lea    0x2(%r15),%eax
  cmp    %eax,%edx
  je     L509
  lea    (%rdx,%r11,1),%esi
  mov    %r10d,0x2c(%rsp)
  mov    %esi,%eax
  mov    %r9d,0x28(%rsp)
  shr    $0x1f,%eax
  mov    %r8d,0x20(%rsp)
  add    %esi,%eax
  mov    %r11d,0x1c(%rsp)
  sar    %eax
  lea    0x1(%rax),%esi
  mov    %eax,0x10(%rsp)
  call   <mergeKListsDC>
  mov    0x10(%rsp),%edx
  mov    0x1c(%rsp),%esi
  mov    %r12,%rdi
  mov    %rax,0x8(%rsp)
  call   <mergeKListsDC>
  mov    0x8(%rsp),%rsi
  mov    $0x1,%edx
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    0x2c(%rsp),%r10d
  mov    0x28(%rsp),%r9d
  mov    0x20(%rsp),%r8d
  mov    %rax,%r11
L140:
  cmp    %r15d,%r9d
  je     L364
  cmp    %r15d,%r10d
  je     L7
  lea    (%r9,%r15,1),%eax
  mov    %r15d,%edx
  mov    %r12,%rdi
  mov    %r11,0x20(%rsp)
  mov    %eax,%r10d
  mov    %r8d,0x1c(%rsp)
  shr    $0x1f,%r10d
  mov    %r9d,0x10(%rsp)
  add    %eax,%r10d
  sar    %r10d
  lea    0x1(%r10),%esi
  mov    %r10d,0x8(%rsp)
  call   <mergeKListsDC>
  mov    0x8(%rsp),%edx
  mov    0x10(%rsp),%esi
  mov    %r12,%rdi
  mov    %rax,%r15
  call   <mergeKListsDC>
  mov    $0x1,%edx
  mov    %r15,%rsi
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    0x20(%rsp),%r11
  mov    0x1c(%rsp),%r8d
  mov    %rax,%rdi
L388:
  mov    $0x1,%edx
  mov    %r11,%rsi
  mov    %r8d,0x8(%rsp)
  call   <binaryMerge@plt>
  mov    0x8(%rsp),%r8d
  mov    %rax,%r15
L280:
  cmp    %r14d,%r8d
  je     L207
  cmp    %r14d,(%rsp)
  je     L93
  lea    (%r8,%r14,1),%eax
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  lea    0x1(%r9),%r10d
  cmp    %r10d,%r14d
  je     L176
  lea    0x2(%r9),%eax
  cmp    %eax,%r14d
  je     L211
  lea    (%r14,%r10,1),%eax
  mov    %r14d,%edx
  mov    %r12,%rdi
  mov    %r9d,0x20(%rsp)
  mov    %eax,%r11d
  mov    %r8d,0x1c(%rsp)
  shr    $0x1f,%r11d
  mov    %r10d,0x10(%rsp)
  add    %eax,%r11d
  sar    %r11d
  lea    0x1(%r11),%esi
  mov    %r11d,0x8(%rsp)
  call   <mergeKListsDC>
  mov    0x8(%rsp),%edx
  mov    0x10(%rsp),%esi
  mov    %r12,%rdi
  mov    %rax,%r14
  call   <mergeKListsDC>
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    0x20(%rsp),%r9d
  mov    0x1c(%rsp),%r8d
  mov    %rax,%r10
L476:
  cmp    %r9d,%r8d
  je     L326
  cmp    %r9d,(%rsp)
  je     L101
  lea    (%r8,%r9,1),%eax
  mov    %r9d,%edx
  mov    %r12,%rdi
  mov    %r10,0x10(%rsp)
  mov    %eax,%r14d
  mov    %r8d,0x8(%rsp)
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  lea    0x1(%r14),%esi
  call   <mergeKListsDC>
  mov    0x8(%rsp),%esi
  mov    %r14d,%edx
  mov    %r12,%rdi
  mov    %rax,(%rsp)
  call   <mergeKListsDC>
  mov    (%rsp),%rsi
  mov    $0x1,%edx
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    0x10(%rsp),%r10
  mov    %rax,%rdi
L87:
  mov    $0x1,%edx
  mov    %r10,%rsi
  call   <binaryMerge@plt>
  mov    %rax,%rdi
L86:
  mov    $0x1,%edx
  mov    %r15,%rsi
  call   <binaryMerge@plt>
  mov    %rax,%r14
L128:
  cmp    %r13d,%ebp
  je     L451
L83:
  cmp    %r13d,%ebx
  je     L426
  lea    0x0(%rbp,%r13,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  lea    0x1(%r15),%r8d
  cmp    %r8d,%r13d
  je     L283
  lea    0x2(%r15),%ecx
  cmp    %ecx,%r13d
  je     L381
  lea    0x0(%r13,%r8,1),%eax
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  lea    0x1(%r9),%r10d
  cmp    %r10d,%r13d
  je     L300
  lea    0x2(%r9),%eax
  cmp    %eax,%r13d
  je     L392
  lea    0x0(%r13,%r10,1),%eax
  mov    %r13d,%edx
  mov    %r12,%rdi
  mov    %r9d,0x20(%rsp)
  mov    %eax,%r11d
  mov    %ecx,0x1c(%rsp)
  shr    $0x1f,%r11d
  mov    %r8d,0x10(%rsp)
  add    %eax,%r11d
  mov    %r10d,0x8(%rsp)
  sar    %r11d
  lea    0x1(%r11),%esi
  mov    %r11d,(%rsp)
  call   <mergeKListsDC>
  mov    (%rsp),%edx
  mov    0x8(%rsp),%esi
  mov    %r12,%rdi
  mov    %rax,%r13
  call   <mergeKListsDC>
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    0x20(%rsp),%r9d
  mov    0x1c(%rsp),%ecx
  mov    0x10(%rsp),%r8d
  mov    %rax,%r10
L491:
  cmp    %r9d,%r8d
  je     L375
  cmp    %r9d,%ecx
  je     L306
  lea    (%r8,%r9,1),%eax
  mov    %r9d,%edx
  mov    %r12,%rdi
  mov    %r10,0x10(%rsp)
  mov    %eax,%r13d
  mov    %r8d,0x8(%rsp)
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  lea    0x1(%r13),%esi
  call   <mergeKListsDC>
  mov    0x8(%rsp),%esi
  mov    %r13d,%edx
  mov    %r12,%rdi
  mov    %rax,(%rsp)
  call   <mergeKListsDC>
  mov    (%rsp),%rsi
  mov    $0x1,%edx
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    0x10(%rsp),%r10
  mov    %rax,%rdi
L183:
  mov    $0x1,%edx
  mov    %r10,%rsi
  call   <binaryMerge@plt>
  mov    %rax,%r8
L323:
  cmp    %r15d,%ebp
  je     L321
  mov    %r8,(%rsp)
  cmp    %r15d,%ebx
  je     L45
  lea    0x0(%rbp,%r15,1),%eax
  mov    %r15d,%edx
  mov    %r12,%rdi
  mov    %eax,%r13d
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  lea    0x1(%r13),%esi
  call   <mergeKListsDC>
  mov    %r13d,%edx
  mov    %ebp,%esi
  mov    %r12,%rdi
  mov    %rax,%r15
  call   <mergeKListsDC>
  mov    $0x1,%edx
  mov    %r15,%rsi
  mov    %rax,%rdi
  call   <binaryMerge@plt>
  mov    (%rsp),%r8
  mov    %rax,%rdi
L79:
  mov    $0x1,%edx
  mov    %r8,%rsi
  call   <binaryMerge@plt>
  mov    %rax,%rdi
L21:
  mov    $0x1,%edx
  mov    %r14,%rsi
  jmp    L454
  nopl   0x0(%rax,%rax,1)
L349:
  movslq %ebx,%rbx
  mov    $0x1,%edx
  mov    (%rdi,%rbx,8),%rsi
  mov    (%rdi,%rbp,8),%rdi
L454:
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <binaryMerge@plt>
  nopl   0x0(%rax,%rax,1)
L272:
  mov    (%rdi,%rbp,8),%rax
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L503:
  movslq %r8d,%r8
  mov    (%rdi,%r8,8),%r14
  cmp    %r13d,%ebp
  jne    L83
L451:
  mov    (%r12,%rbp,8),%rdi
  jmp    L21
  xchg   %ax,%ax
L400:
  movslq %edx,%rdx
  mov    %r8d,0x8(%rsp)
  mov    (%rdi,%rdx,8),%rsi
  mov    -0x8(%rdi,%rdx,8),%rdi
  mov    $0x1,%edx
  call   <binaryMerge@plt>
  mov    0x8(%rsp),%r8d
  mov    %rax,%r15
  jmp    L280
  nopl   0x0(%rax,%rax,1)
L265:
  movslq %edx,%rdx
  mov    (%rdi,%rdx,8),%rsi
  mov    -0x8(%rdi,%rdx,8),%rdi
  mov    $0x1,%edx
  call   <binaryMerge@plt>
  mov    %rax,%r14
  jmp    L128
  xchg   %ax,%ax
L426:
  movslq %ebx,%rbx
  mov    (%r12,%rbp,8),%rdi
  mov    $0x1,%edx
  mov    (%r12,%rbx,8),%rsi
  call   <binaryMerge@plt>
  mov    %rax,%rdi
  jmp    L21
  nopl   (%rax)
L93:
  movslq (%rsp),%rcx
  movslq %r8d,%r8
  mov    $0x1,%edx
  mov    (%r12,%r8,8),%rdi
  mov    (%r12,%rcx,8),%rsi
  call   <binaryMerge@plt>
  mov    %rax,%rdi
  jmp    L86
  nopl   0x0(%rax)
L45:
  movslq %ebx,%rbx
  mov    (%r12,%rbp,8),%rdi
  mov    $0x1,%edx
  mov    (%r12,%rbx,8),%rsi
  call   <binaryMerge@plt>
  mov    (%rsp),%r8
  mov    %rax,%rdi
  jmp    L79
  nopl   0x0(%rax)
L381:
  movslq %r8d,%r8
  movslq %r13d,%r13
  mov    $0x1,%edx
  mov    (%r12,%r8,8),%rdi
  mov    (%r12,%r13,8),%rsi
  call   <binaryMerge@plt>
  mov    %rax,%r8
  jmp    L323
L321:
  mov    (%r12,%rbp,8),%rdi
  jmp    L79
  nopl   0x0(%rax)
L283:
  movslq %r13d,%r13
  mov    (%r12,%r13,8),%r8
  jmp    L323
  nopl   0x0(%rax)
L498:
  movslq %edx,%rdx
  mov    (%rdi,%rdx,8),%r15
  jmp    L280
  nopl   0x0(%rax)
L207:
  movslq %r8d,%r8
  mov    (%r12,%r8,8),%rdi
  jmp    L86
  nopl   0x0(%rax)
L509:
  movslq %r11d,%r11
  movslq %edx,%rdx
  mov    %r10d,0x1c(%rsp)
  mov    (%rdi,%rdx,8),%rsi
  mov    (%rdi,%r11,8),%rdi
  mov    $0x1,%edx
  mov    %r9d,0x10(%rsp)
  mov    %r8d,0x8(%rsp)
  call   <binaryMerge@plt>
  mov    0x8(%rsp),%r8d
  mov    0x10(%rsp),%r9d
  mov    0x1c(%rsp),%r10d
  mov    %rax,%r11
  jmp    L140
  xchg   %ax,%ax
L306:
  movslq %ecx,%rax
  movslq %r8d,%r8
  mov    $0x1,%edx
  mov    %r10,(%rsp)
  mov    (%r12,%r8,8),%rdi
  mov    (%r12,%rax,8),%rsi
  call   <binaryMerge@plt>
  mov    (%rsp),%r10
  mov    %rax,%rdi
  jmp    L183
  nopl   0x0(%rax,%rax,1)
L392:
  movslq %r10d,%r10
  movslq %r13d,%r13
  mov    $0x1,%edx
  mov    %r9d,0x10(%rsp)
  mov    (%r12,%r10,8),%rdi
  mov    (%r12,%r13,8),%rsi
  mov    %ecx,0x8(%rsp)
  mov    %r8d,(%rsp)
  call   <binaryMerge@plt>
  mov    (%rsp),%r8d
  mov    0x8(%rsp),%ecx
  mov    0x10(%rsp),%r9d
  mov    %rax,%r10
  jmp    L491
  nopw   0x0(%rax,%rax,1)
L101:
  movslq (%rsp),%rcx
  movslq %r8d,%r8
  mov    $0x1,%edx
  mov    %r10,0x8(%rsp)
  mov    (%r12,%r8,8),%rdi
  mov    (%r12,%rcx,8),%rsi
  call   <binaryMerge@plt>
  mov    0x8(%rsp),%r10
  mov    %rax,%rdi
  jmp    L87
  nopl   0x0(%rax,%rax,1)
L211:
  movslq %r10d,%r10
  movslq %r14d,%r14
  mov    $0x1,%edx
  mov    %r9d,0x10(%rsp)
  mov    (%r12,%r10,8),%rdi
  mov    (%r12,%r14,8),%rsi
  mov    %r8d,0x8(%rsp)
  call   <binaryMerge@plt>
  mov    0x8(%rsp),%r8d
  mov    0x10(%rsp),%r9d
  mov    %rax,%r10
  jmp    L476
  nopl   0x0(%rax)
L7:
  movslq %r10d,%r10
  movslq %r9d,%r9
  mov    $0x1,%edx
  mov    %r11,0x10(%rsp)
  mov    (%r12,%r9,8),%rdi
  mov    (%r12,%r10,8),%rsi
  mov    %r8d,0x8(%rsp)
  call   <binaryMerge@plt>
  mov    0x8(%rsp),%r8d
  mov    0x10(%rsp),%r11
  mov    %rax,%rdi
  jmp    L388
  nopl   0x0(%rax)
L176:
  movslq %r14d,%r14
  mov    (%r12,%r14,8),%r10
  jmp    L476
  nopl   0x0(%rax)
L364:
  movslq %r9d,%r9
  mov    (%r12,%r9,8),%rdi
  jmp    L388
  nopl   0x0(%rax)
L300:
  movslq %r13d,%r13
  mov    (%r12,%r13,8),%r10
  jmp    L491
  nopl   0x0(%rax)
L326:
  movslq %r8d,%r8
  mov    (%r12,%r8,8),%rdi
  jmp    L87
  nopl   0x0(%rax)
L124:
  movslq %edx,%rdx
  mov    (%rdi,%rdx,8),%r11
  jmp    L140
  nopl   0x0(%rax)
L375:
  movslq %r8d,%r8
  mov    (%r12,%r8,8),%rdi
  jmp    L183
```

assistant: ```c
struct ListNode *mergeKListsDC(struct ListNode **lists, int start, int end) {
  int mid = 0;
  if (start == end) {
    return lists[start];
  } else if (start + 1 == end) {
    return binaryMerge(lists[start], lists[end], 1);
  } else {
    mid = (start + end) / 2;
    return binaryMerge(mergeKListsDC(lists, start, mid), mergeKListsDC(lists, mid + 1, end), 1);
  }
}
```