user: 下面的汇编指令对应的C源代码是什么:

```asm
<MergeSort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  movslq %edx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rsi,0x8(%rsp)
  cmp    %ecx,%r12d
  jne    L278
  mov    (%rdi,%r12,4),%eax
  mov    %eax,(%rsi,%r12,4)
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L278:
  mov    %ecx,%eax
  mov    %ecx,%ebx
  sub    %r12d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,(%rsp)
  mov    %rax,%rcx
  lea    (%r12,%rbx,1),%eax
  mov    %eax,%r13d
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  cmp    %r13d,%r12d
  jne    L162
  movslq %r12d,%rax
  lea    0x1(%r13),%r14d
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
  cmp    %ebx,%r14d
  jne    L235
L198:
  movslq %ebx,%rax
  mov    (%rsp),%rcx
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
L70:
  mov    0x8(%rsp),%rsi
  mov    (%rsp),%rdi
  add    $0x48,%rsp
  mov    %ebx,%r8d
  mov    %r13d,%ecx
  pop    %rbx
  mov    %r12d,%edx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <Merge@plt>
  nopw   0x0(%rax,%rax,1)
L162:
  mov    %r13d,%eax
  sub    %r12d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,0x10(%rsp)
  mov    %rax,%rcx
  lea    (%r12,%r13,1),%eax
  mov    %eax,%r14d
  shr    $0x1f,%r14d
  add    %eax,%r14d
  sar    %r14d
  cmp    %r14d,%r12d
  jne    L31
  movslq %r12d,%rax
  lea    0x1(%r14),%r15d
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
  cmp    %r15d,%r13d
  jne    L274
L101:
  movslq %r13d,%rax
  mov    0x10(%rsp),%rsi
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rsi,%rax,4)
L148:
  mov    (%rsp),%rsi
  mov    0x10(%rsp),%rdi
  mov    %r14d,%ecx
  mov    %r13d,%r8d
  mov    %r12d,%edx
  lea    0x1(%r13),%r14d
  call   <Merge@plt>
  cmp    %ebx,%r14d
  je     L198
L235:
  mov    %ebx,%eax
  sub    %r14d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,0x10(%rsp)
  mov    %rax,%rcx
  lea    (%r14,%rbx,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%r14d
  jne    L160
  movslq %r14d,%rax
  lea    0x1(%r15),%r9d
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
  cmp    %r9d,%ebx
  jne    L1
L35:
  movslq %ebx,%rax
  mov    0x10(%rsp),%rcx
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
L210:
  mov    (%rsp),%rsi
  mov    0x10(%rsp),%rdi
  mov    %ebx,%r8d
  mov    %r15d,%ecx
  mov    %r14d,%edx
  call   <Merge@plt>
  jmp    L70
  nopl   0x0(%rax,%rax,1)
L31:
  mov    %r14d,%eax
  sub    %r12d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,%r9
  lea    (%r12,%r14,1),%eax
  mov    %eax,%r15d
  shr    $0x1f,%r15d
  add    %eax,%r15d
  sar    %r15d
  cmp    %r15d,%r12d
  jne    L159
  movslq %r12d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%r9,%rax,4)
L71:
  lea    0x1(%r15),%r10d
  cmp    %r10d,%r14d
  jne    L132
  movslq %r14d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%r9,%rax,4)
L284:
  mov    0x10(%rsp),%rsi
  mov    %r15d,%ecx
  mov    %r14d,%r8d
  mov    %r12d,%edx
  mov    %r9,%rdi
  lea    0x1(%r14),%r15d
  call   <Merge@plt>
  cmp    %r15d,%r13d
  je     L101
L274:
  mov    %r13d,%eax
  sub    %r15d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,0x18(%rsp)
  mov    %rax,%rcx
  lea    0x0(%r13,%r15,1),%eax
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  cmp    %r9d,%r15d
  jne    L75
  movslq %r15d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
L215:
  lea    0x1(%r9),%r10d
  cmp    %r10d,%r13d
  jne    L68
  movslq %r13d,%rax
  mov    0x18(%rsp),%rsi
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rsi,%rax,4)
L258:
  mov    0x10(%rsp),%rsi
  mov    0x18(%rsp),%rdi
  mov    %r13d,%r8d
  mov    %r9d,%ecx
  mov    %r15d,%edx
  call   <Merge@plt>
  jmp    L148
  nopl   (%rax)
L160:
  mov    %r15d,%eax
  sub    %r14d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %rax,0x18(%rsp)
  mov    %rax,%rsi
  lea    (%r14,%r15,1),%eax
  mov    %eax,%r9d
  shr    $0x1f,%r9d
  add    %eax,%r9d
  sar    %r9d
  cmp    %r9d,%r14d
  jne    L60
  movslq %r14d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rsi,%rax,4)
L85:
  lea    0x1(%r9),%r10d
  cmp    %r10d,%r15d
  jne    L237
  movslq %r15d,%rax
  mov    0x18(%rsp),%rsi
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rsi,%rax,4)
L47:
  mov    0x10(%rsp),%rsi
  mov    0x18(%rsp),%rdi
  mov    %r9d,%ecx
  mov    %r15d,%r8d
  mov    %r14d,%edx
  call   <Merge@plt>
  lea    0x1(%r15),%r9d
  cmp    %r9d,%ebx
  je     L35
L1:
  mov    %ebx,%eax
  mov    %r9d,0x18(%rsp)
  sub    %r9d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x18(%rsp),%r9d
  mov    %rax,0x20(%rsp)
  mov    %rax,%rcx
  lea    (%rbx,%r9,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  mov    %eax,0x18(%rsp)
  cmp    %eax,%r9d
  jne    L39
  movslq %r9d,%rax
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
L113:
  mov    0x18(%rsp),%eax
  lea    0x1(%rax),%r10d
  cmp    %r10d,%ebx
  jne    L109
  movslq %ebx,%rax
  mov    0x20(%rsp),%rcx
  mov    0x0(%rbp,%rax,4),%edx
  mov    %edx,(%rcx,%rax,4)
L44:
  mov    0x18(%rsp),%ecx
  mov    0x10(%rsp),%rsi
  mov    %ebx,%r8d
  mov    %r9d,%edx
  mov    0x20(%rsp),%rdi
  call   <Merge@plt>
  jmp    L210
  nopl   0x0(%rax)
L68:
  mov    %r13d,%eax
  mov    %r9d,0x38(%rsp)
  sub    %r10d,%eax
  mov    %r10d,0x20(%rsp)
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x20(%rsp),%r10d
  mov    %rbp,%rdi
  mov    %rax,%r11
  lea    0x0(%r13,%r10,1),%edx
  mov    %r11,%rsi
  mov    %r10d,0x30(%rsp)
  mov    %edx,%eax
  mov    %r11,0x20(%rsp)
  shr    $0x1f,%eax
  add    %edx,%eax
  mov    %r10d,%edx
  sar    %eax
  mov    %eax,%ecx
  mov    %eax,0x28(%rsp)
  call   <MergeSort>
  mov    0x28(%rsp),%eax
  mov    %r13d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  lea    0x1(%rax),%edx
  call   <MergeSort>
  mov    0x28(%rsp),%ecx
  mov    0x30(%rsp),%edx
  mov    %r13d,%r8d
  mov    0x18(%rsp),%rsi
  mov    0x20(%rsp),%rdi
  call   <Merge@plt>
  mov    0x38(%rsp),%r9d
  jmp    L258
  nopl   0x0(%rax,%rax,1)
L75:
  mov    %r9d,%eax
  mov    %r9d,0x20(%rsp)
  sub    %r15d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x20(%rsp),%r9d
  mov    %r15d,%edx
  mov    %rbp,%rdi
  mov    %rax,%r11
  lea    (%r15,%r9,1),%eax
  mov    %r11,%rsi
  mov    %r11,0x28(%rsp)
  mov    %eax,%r10d
  mov    %r9d,0x38(%rsp)
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%ecx
  mov    %r10d,0x20(%rsp)
  call   <MergeSort>
  mov    0x20(%rsp),%r10d
  mov    0x38(%rsp),%r9d
  mov    %rbp,%rdi
  mov    0x28(%rsp),%rsi
  mov    %r9d,%ecx
  lea    0x1(%r10),%edx
  mov    %r9d,0x20(%rsp)
  mov    %r10d,0x30(%rsp)
  call   <MergeSort>
  mov    0x20(%rsp),%r8d
  mov    0x30(%rsp),%ecx
  mov    %r15d,%edx
  mov    0x18(%rsp),%rsi
  mov    0x28(%rsp),%rdi
  call   <Merge@plt>
  mov    0x20(%rsp),%r9d
  jmp    L215
  nopl   (%rax)
L109:
  mov    %ebx,%eax
  mov    %r9d,0x3c(%rsp)
  sub    %r10d,%eax
  mov    %r10d,0x28(%rsp)
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x28(%rsp),%r10d
  mov    %rbp,%rdi
  mov    %rax,%rsi
  mov    %rax,0x28(%rsp)
  lea    (%rbx,%r10,1),%edx
  mov    %r10d,0x38(%rsp)
  mov    %edx,%r11d
  shr    $0x1f,%r11d
  add    %edx,%r11d
  mov    %r10d,%edx
  sar    %r11d
  mov    %r11d,%ecx
  mov    %r11d,0x30(%rsp)
  call   <MergeSort>
  mov    0x30(%rsp),%r11d
  mov    %ebx,%ecx
  mov    %rbp,%rdi
  mov    0x28(%rsp),%rsi
  lea    0x1(%r11),%edx
  call   <MergeSort>
  mov    0x30(%rsp),%ecx
  mov    0x38(%rsp),%edx
  mov    %ebx,%r8d
  mov    0x20(%rsp),%rsi
  mov    0x28(%rsp),%rdi
  call   <Merge@plt>
  mov    0x3c(%rsp),%r9d
  jmp    L44
  nopl   (%rax)
L39:
  sub    %r9d,%eax
  mov    %r9d,0x28(%rsp)
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x28(%rsp),%r9d
  mov    %rbp,%rdi
  mov    %rax,%r11
  mov    0x18(%rsp),%eax
  mov    %r9d,%edx
  mov    %r11,%rsi
  mov    %r9d,0x38(%rsp)
  add    %r9d,%eax
  mov    %r11,0x30(%rsp)
  mov    %eax,%r10d
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%ecx
  mov    %r10d,0x28(%rsp)
  call   <MergeSort>
  mov    0x28(%rsp),%r10d
  mov    0x18(%rsp),%ecx
  mov    %rbp,%rdi
  mov    0x30(%rsp),%rsi
  lea    0x1(%r10),%edx
  call   <MergeSort>
  mov    0x38(%rsp),%r9d
  mov    0x28(%rsp),%ecx
  mov    0x18(%rsp),%r8d
  mov    0x20(%rsp),%rsi
  mov    0x30(%rsp),%rdi
  mov    %r9d,%edx
  mov    %r9d,0x28(%rsp)
  call   <Merge@plt>
  mov    0x28(%rsp),%r9d
  jmp    L113
  nopl   0x0(%rax)
L132:
  mov    %r14d,%eax
  mov    %r9,0x30(%rsp)
  sub    %r10d,%eax
  mov    %r10d,0x18(%rsp)
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x18(%rsp),%r10d
  mov    %rbp,%rdi
  mov    %rax,%rsi
  mov    %rax,0x20(%rsp)
  lea    (%r14,%r10,1),%edx
  mov    %r10d,0x28(%rsp)
  mov    %edx,%r11d
  shr    $0x1f,%r11d
  add    %edx,%r11d
  mov    %r10d,%edx
  sar    %r11d
  mov    %r11d,%ecx
  mov    %r11d,0x18(%rsp)
  call   <MergeSort>
  mov    0x18(%rsp),%r11d
  mov    %r14d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  lea    0x1(%r11),%edx
  call   <MergeSort>
  mov    0x18(%rsp),%ecx
  mov    0x28(%rsp),%edx
  mov    %r14d,%r8d
  mov    0x30(%rsp),%r9
  mov    0x20(%rsp),%rdi
  mov    %r9,%rsi
  mov    %r9,0x18(%rsp)
  call   <Merge@plt>
  mov    0x18(%rsp),%r9
  jmp    L284
  nopw   0x0(%rax,%rax,1)
L159:
  mov    %r15d,%eax
  mov    %r9,0x28(%rsp)
  sub    %r12d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    %r12d,%edx
  mov    %rbp,%rdi
  mov    %rax,%r11
  lea    (%r12,%r15,1),%eax
  mov    %eax,%r10d
  mov    %r11,%rsi
  mov    %r11,0x20(%rsp)
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%ecx
  mov    %r10d,0x18(%rsp)
  call   <MergeSort>
  mov    0x18(%rsp),%r10d
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  lea    0x1(%r10),%edx
  call   <MergeSort>
  mov    0x28(%rsp),%r9
  mov    %r15d,%r8d
  mov    %r12d,%edx
  mov    0x18(%rsp),%ecx
  mov    0x20(%rsp),%rdi
  mov    %r9,%rsi
  mov    %r9,0x18(%rsp)
  call   <Merge@plt>
  mov    0x18(%rsp),%r9
  jmp    L71
  nopw   0x0(%rax,%rax,1)
L237:
  mov    %r15d,%eax
  mov    %r9d,0x38(%rsp)
  sub    %r10d,%eax
  mov    %r10d,0x20(%rsp)
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x20(%rsp),%r10d
  mov    %rbp,%rdi
  mov    %rax,%r11
  lea    (%r15,%r10,1),%edx
  mov    %r11,%rsi
  mov    %r10d,0x30(%rsp)
  mov    %edx,%eax
  mov    %r11,0x20(%rsp)
  shr    $0x1f,%eax
  add    %edx,%eax
  mov    %r10d,%edx
  sar    %eax
  mov    %eax,%ecx
  mov    %eax,0x28(%rsp)
  call   <MergeSort>
  mov    0x28(%rsp),%eax
  mov    %r15d,%ecx
  mov    %rbp,%rdi
  mov    0x20(%rsp),%rsi
  lea    0x1(%rax),%edx
  call   <MergeSort>
  mov    0x28(%rsp),%ecx
  mov    0x30(%rsp),%edx
  mov    %r15d,%r8d
  mov    0x18(%rsp),%rsi
  mov    0x20(%rsp),%rdi
  call   <Merge@plt>
  mov    0x38(%rsp),%r9d
  jmp    L47
  nopw   0x0(%rax,%rax,1)
L60:
  mov    %r9d,%eax
  mov    %r9d,0x20(%rsp)
  sub    %r14d,%eax
  lea    0x4(,%rax,4),%edi
  call   <malloc@plt>
  mov    0x20(%rsp),%r9d
  mov    %r14d,%edx
  mov    %rbp,%rdi
  mov    %rax,%r11
  lea    (%r14,%r9,1),%eax
  mov    %r11,%rsi
  mov    %r11,0x28(%rsp)
  mov    %eax,%r10d
  mov    %r9d,0x38(%rsp)
  shr    $0x1f,%r10d
  add    %eax,%r10d
  sar    %r10d
  mov    %r10d,%ecx
  mov    %r10d,0x20(%rsp)
  call   <MergeSort>
  mov    0x20(%rsp),%r10d
  mov    0x38(%rsp),%r9d
  mov    %rbp,%rdi
  mov    0x28(%rsp),%rsi
  mov    %r9d,%ecx
  lea    0x1(%r10),%edx
  mov    %r9d,0x20(%rsp)
  mov    %r10d,0x30(%rsp)
  call   <MergeSort>
  mov    0x20(%rsp),%r8d
  mov    0x30(%rsp),%ecx
  mov    %r14d,%edx
  mov    0x18(%rsp),%rsi
  mov    0x28(%rsp),%rdi
  call   <Merge@plt>
  mov    0x20(%rsp),%r9d
  jmp    L85
```

assistant: ```c
void MergeSort(int *source, int *target, int s, int t) {
  int m, *temp;
  if (s == t) {
    target[s] = source[s];
  } else {
    temp = (int *)malloc(sizeof(int) * (t - s + 1));
    m = (s + t) / 2;
    MergeSort(source, temp, s, m);
    MergeSort(source, temp, m + 1, t);
    Merge(temp, target, s, m, t);
  }
}
```