user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<merge>:
  endbr64
  push   %r15
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %ecx,%r13d
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  lea    0x1(%rdx),%ebp
  push   %rbx
  mov    %rdi,%rbx
  lea    0x4(,%rcx,4),%edi
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %rax,%rdi
  cmp    %r13d,%ebp
  jg     L346
  cmp    %r14d,%r12d
  jg     L346
  movslq %r12d,%r9
  mov    %r12d,%ecx
  mov    %r12d,%edx
  lea    (%rax,%r9,4),%rax
  nop
L84:
  movslq %ebp,%r10
  mov    (%rbx,%r9,4),%r8d
  mov    (%rbx,%r10,4),%esi
  cmp    %r8d,%esi
  jl     L188
L266:
  mov    %r8d,(%rax)
  add    $0x1,%edx
  add    $0x1,%ecx
  add    $0x4,%rax
  cmp    %ebp,%r13d
  jl     L349
  cmp    %edx,%r14d
  jl     L358
  movslq %edx,%r9
  mov    (%rbx,%r10,4),%esi
  mov    (%rbx,%r9,4),%r8d
  cmp    %r8d,%esi
  jge    L266
L188:
  add    $0x1,%ebp
  mov    %esi,(%rax)
  add    $0x1,%ecx
  add    $0x4,%rax
  cmp    %ebp,%r13d
  jl     L349
  cmp    %r14d,%edx
  jle    L84
L349:
  cmp    %edx,%r14d
  jl     L358
  movslq %ecx,%r11
  movslq %edx,%r10
  mov    %r14d,%r8d
  lea    0x0(,%r11,4),%r9
  lea    0x4(,%r10,4),%r10
  sub    %edx,%r8d
  lea    (%r9,%rdi,1),%rsi
  lea    (%rbx,%r10,1),%r15
  mov    %rsi,%rbp
  mov    %rsi,%rax
  sub    %r15,%rbp
  cmp    $0x8,%rbp
  jbe    L316
  cmp    $0x2,%r8d
  jbe    L316
  lea    0x1(%r8),%esi
  mov    %esi,%r8d
  shr    $0x2,%r8d
  sub    $0x1,%r8d
  shl    $0x4,%r8
  lea    0x10(%rax,%r8,1),%r9
  mov    %rbx,%r8
  sub    %rax,%r8
  lea    -0x4(%r8,%r10,1),%r8
  xchg   %ax,%ax
L256:
  movdqu (%rax,%r8,1),%xmm1
  add    $0x10,%rax
  movups %xmm1,-0x10(%rax)
  cmp    %r9,%rax
  jne    L256
  mov    %esi,%eax
  and    $0xfffffffc,%eax
  add    %eax,%edx
  add    %eax,%ecx
  cmp    %eax,%esi
  je     L56
  movslq %edx,%rax
  mov    (%rbx,%rax,4),%esi
  movslq %ecx,%rax
  add    $0x1,%ecx
  mov    %esi,(%rdi,%rax,4)
  lea    0x1(%rdx),%eax
  cmp    %eax,%r14d
  jl     L56
  cltq
  movslq %ecx,%rcx
  add    $0x2,%edx
  lea    0x0(,%rax,4),%r8
  mov    (%rbx,%rax,4),%eax
  lea    0x0(,%rcx,4),%rsi
  mov    %eax,(%rdi,%rcx,4)
  cmp    %edx,%r14d
  jl     L56
  mov    0x4(%rbx,%r8,1),%eax
  mov    %eax,0x4(%rdi,%rsi,1)
L56:
  cmp    %r13d,%r12d
  jg     L262
  movslq %r12d,%rax
  mov    %r13d,%r8d
  lea    0x0(,%rax,4),%rdx
  sub    %r12d,%r8d
  lea    (%rbx,%rdx,1),%rsi
  add    %rdi,%rdx
  lea    0x4(%rdx),%rcx
  mov    %rsi,%r9
  sub    %rcx,%r9
  cmp    $0x8,%r9
  jbe    L323
  cmp    $0x2,%r8d
  jbe    L323
  add    $0x1,%r8d
  mov    %rsi,%rcx
  mov    %r8d,%eax
  sub    %rdx,%rcx
  shr    $0x2,%eax
  shl    $0x4,%rax
  add    %rdx,%rax
  nopl   0x0(%rax)
L344:
  movdqu (%rdx),%xmm0
  movups %xmm0,(%rcx,%rdx,1)
  add    $0x10,%rdx
  cmp    %rdx,%rax
  jne    L344
  mov    %r8d,%eax
  and    $0xfffffffc,%eax
  add    %eax,%r12d
  cmp    %r8d,%eax
  je     L262
  movslq %r12d,%rax
  mov    (%rdi,%rax,4),%edx
  mov    %edx,(%rbx,%rax,4)
  lea    0x1(%r12),%eax
  cmp    %r13d,%eax
  jg     L262
  cltq
  add    $0x2,%r12d
  mov    (%rdi,%rax,4),%ecx
  lea    0x0(,%rax,4),%rdx
  mov    %ecx,(%rbx,%rax,4)
  cmp    %r13d,%r12d
  jg     L262
  mov    0x4(%rdi,%rdx,1),%eax
  mov    %eax,0x4(%rbx,%rdx,1)
L262:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <free@plt>
  cs nopw 0x0(%rax,%rax,1)
L358:
  cmp    %ebp,%r13d
  jl     L56
  movslq %ecx,%r10
  movslq %ebp,%r8
  mov    %r13d,%esi
  lea    0x0(,%r10,4),%r9
  lea    0x4(,%r8,4),%r8
  sub    %ebp,%esi
  lea    (%r9,%rdi,1),%rdx
  lea    (%rbx,%r8,1),%r14
  mov    %rdx,%r11
  mov    %rdx,%rax
  sub    %r14,%r11
  cmp    $0x8,%r11
  jbe    L361
  cmp    $0x2,%esi
  jbe    L361
  lea    0x1(%rsi),%edx
  mov    %edx,%esi
  shr    $0x2,%esi
  sub    $0x1,%esi
  shl    $0x4,%rsi
  lea    0x10(%rax,%rsi,1),%r9
  mov    %rbx,%rsi
  sub    %rax,%rsi
  lea    -0x4(%rsi,%r8,1),%rsi
  nopw   0x0(%rax,%rax,1)
L294:
  movdqu (%rax,%rsi,1),%xmm2
  add    $0x10,%rax
  movups %xmm2,-0x10(%rax)
  cmp    %r9,%rax
  jne    L294
  mov    %edx,%eax
  and    $0xfffffffc,%eax
  add    %eax,%ebp
  add    %eax,%ecx
  cmp    %eax,%edx
  je     L56
  movslq %ebp,%rax
  mov    (%rbx,%rax,4),%edx
  movslq %ecx,%rax
  add    $0x1,%ecx
  mov    %edx,(%rdi,%rax,4)
  lea    0x1(%rbp),%eax
  cmp    %eax,%r13d
  jl     L56
  cltq
  movslq %ecx,%rcx
  add    $0x2,%ebp
  lea    0x0(,%rax,4),%rsi
  mov    (%rbx,%rax,4),%eax
  lea    0x0(,%rcx,4),%rdx
  mov    %eax,(%rdi,%rcx,4)
  cmp    %r13d,%ebp
  jg     L56
  mov    0x4(%rbx,%rsi,1),%eax
  mov    %eax,0x4(%rdi,%rdx,1)
  jmp    L56
  nopw   0x0(%rax,%rax,1)
L316:
  lea    -0x4(%r10),%rax
  mov    %r8d,%edx
  sub    %r9,%rax
  add    %r11,%rdx
  sub    %rdi,%rax
  lea    0x4(%rdi,%rdx,4),%rcx
  add    %rbx,%rax
L159:
  mov    (%rax,%rsi,1),%edx
  add    $0x4,%rsi
  mov    %edx,-0x4(%rsi)
  cmp    %rcx,%rsi
  jne    L159
  jmp    L56
  nopl   0x0(%rax)
L323:
  lea    0x1(%rax,%r8,1),%rax
  lea    (%rdi,%rax,4),%r8
  mov    %rbx,%rax
  sub    %rdi,%rax
  jmp    L283
  nopl   0x0(%rax)
L255:
  add    $0x4,%rcx
L283:
  mov    (%rdx),%esi
  mov    %esi,(%rax,%rdx,1)
  mov    %rcx,%rdx
  cmp    %rcx,%r8
  jne    L255
  jmp    L262
  cs nopw 0x0(%rax,%rax,1)
L346:
  mov    %r12d,%ecx
  mov    %r12d,%edx
  jmp    L349
L361:
  mov    %esi,%eax
  add    %r10,%rax
  lea    0x4(%rdi,%rax,4),%rsi
  lea    -0x4(%r8),%rax
  sub    %r9,%rax
  sub    %rdi,%rax
  add    %rbx,%rax
  nopw   0x0(%rax,%rax,1)
L38:
  mov    (%rax,%rdx,1),%ecx
  add    $0x4,%rdx
  mov    %ecx,-0x4(%rdx)
  cmp    %rsi,%rdx
  jne    L38
  jmp    L56
```

assistant: ```c
void merge(int arr[], int left, int mid, int right) {
  int fIdx = left;
  int rIdx = mid + 1;
  int i;
  int *sortArr = (int *)malloc(sizeof(int) * (right + 1));
  int sIdx = left;
  while (fIdx <= mid && rIdx <= right) {
    if (arr[fIdx] <= arr[rIdx])
      sortArr[sIdx] = arr[fIdx++];
    else
      sortArr[sIdx] = arr[rIdx++];
    sIdx++;
  }
  if (fIdx > mid) {
    for (i = rIdx; i <= right; i++, sIdx++)
      sortArr[sIdx] = arr[i];
  } else {
    for (i = fIdx; i <= mid; i++, sIdx++)
      sortArr[sIdx] = arr[i];
  }
  for (i = left; i <= right; i++) {
    arr[i] = sortArr[i];
  }
  free(sortArr);
}
```