user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<merge>:
  endbr64
  push   %r15
  push   %r14
  mov    %esi,%r14d
  mov    $0x4,%esi
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  lea    0x1(%rdx),%ebp
  push   %rbx
  mov    %rdi,%rbx
  lea    0x1(%rcx),%edi
  sub    $0x18,%rsp
  call   <calloc@plt>
  mov    %rax,%rdi
  cmp    %r13d,%r14d
  jg     L224
  cmp    %r12d,%ebp
  jg     L224
  movslq %r14d,%r9
  mov    %r14d,%edx
  lea    (%rax,%r9,4),%rcx
  mov    %r14d,%eax
L288:
  movslq %ebp,%r10
  mov    (%rbx,%r9,4),%r8d
  add    $0x1,%edx
  mov    (%rbx,%r10,4),%esi
  cmp    %r8d,%esi
  jle    L161
L348:
  mov    %r8d,(%rcx)
  add    $0x1,%eax
  add    $0x4,%rcx
  cmp    %ebp,%r12d
  jl     L253
  cmp    %eax,%r13d
  jl     L102
  movslq %eax,%r9
  mov    (%rbx,%r10,4),%esi
  add    $0x1,%edx
  mov    (%rbx,%r9,4),%r8d
  cmp    %r8d,%esi
  jg     L348
L161:
  add    $0x1,%ebp
  mov    %esi,(%rcx)
  add    $0x4,%rcx
  cmp    %ebp,%r12d
  jl     L253
  cmp    %eax,%r13d
  jge    L288
  nopl   (%rax)
L102:
  cmp    %ebp,%r12d
  jl     L214
  movslq %edx,%r10
  movslq %ebp,%r8
  mov    %r12d,%esi
  lea    0x0(,%r10,4),%r9
  lea    0x4(,%r8,4),%r8
  sub    %ebp,%esi
  lea    (%r9,%rdi,1),%rcx
  lea    (%rbx,%r8,1),%r13
  mov    %rcx,%r11
  mov    %rcx,%rax
  sub    %r13,%r11
  cmp    $0x8,%r11
  jbe    L146
  cmp    $0x2,%esi
  jbe    L146
  add    $0x1,%esi
  mov    %rbx,%r9
  mov    %esi,%ecx
  sub    %rax,%r9
  shr    $0x2,%ecx
  lea    -0x4(%r9,%r8,1),%r8
  shl    $0x4,%rcx
  add    %rax,%rcx
  nopw   0x0(%rax,%rax,1)
L260:
  movdqu (%rax,%r8,1),%xmm1
  add    $0x10,%rax
  movups %xmm1,-0x10(%rax)
  cmp    %rcx,%rax
  jne    L260
  mov    %esi,%eax
  and    $0xfffffffc,%eax
  add    %eax,%ebp
  add    %eax,%edx
  cmp    %eax,%esi
  je     L214
  movslq %ebp,%rax
  mov    (%rbx,%rax,4),%ecx
  movslq %edx,%rax
  add    $0x1,%edx
  mov    %ecx,(%rdi,%rax,4)
  lea    0x1(%rbp),%eax
  cmp    %r12d,%eax
  jg     L214
  cltq
  movslq %edx,%rdx
  add    $0x2,%ebp
  lea    0x0(,%rax,4),%rsi
  mov    (%rbx,%rax,4),%eax
  lea    0x0(,%rdx,4),%rcx
  mov    %eax,(%rdi,%rdx,4)
  cmp    %r12d,%ebp
  jg     L214
  mov    0x4(%rbx,%rsi,1),%eax
  mov    %eax,0x4(%rdi,%rcx,1)
L214:
  cmp    %r12d,%r14d
  jg     L2
  movslq %r14d,%r8
  mov    %r12d,%esi
  lea    0x0(,%r8,4),%rax
  sub    %r14d,%esi
  lea    (%rbx,%rax,1),%rcx
  add    %rdi,%rax
  lea    0x4(%rax),%rdx
  mov    %rcx,%r9
  sub    %rdx,%r9
  cmp    $0x8,%r9
  jbe    L25
  cmp    $0x2,%esi
  jbe    L25
  add    $0x1,%esi
  sub    %rax,%rcx
  mov    %esi,%edx
  shr    $0x2,%edx
  shl    $0x4,%rdx
  add    %rax,%rdx
  nopw   0x0(%rax,%rax,1)
L62:
  movdqu (%rax),%xmm2
  movups %xmm2,(%rcx,%rax,1)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L62
  mov    %esi,%eax
  and    $0xfffffffc,%eax
  add    %eax,%r14d
  cmp    %esi,%eax
  je     L2
  movslq %r14d,%rax
  mov    (%rdi,%rax,4),%edx
  mov    %edx,(%rbx,%rax,4)
  lea    0x1(%r14),%eax
  cmp    %r12d,%eax
  jg     L2
  cltq
  add    $0x2,%r14d
  mov    (%rdi,%rax,4),%ecx
  lea    0x0(,%rax,4),%rdx
  mov    %ecx,(%rbx,%rax,4)
  cmp    %r12d,%r14d
  jg     L2
  mov    0x4(%rdi,%rdx,1),%eax
  mov    %eax,0x4(%rbx,%rdx,1)
L2:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <free@plt>
  nopl   0x0(%rax,%rax,1)
L224:
  mov    %r14d,%edx
  mov    %r14d,%eax
  cs nopw 0x0(%rax,%rax,1)
L253:
  cmp    %eax,%r13d
  jl     L102
  movslq %edx,%r11
  movslq %eax,%r8
  mov    %r13d,%r9d
  lea    0x0(,%r11,4),%r10
  lea    0x4(,%r8,4),%r8
  sub    %eax,%r9d
  lea    (%r10,%rdi,1),%rcx
  lea    (%rbx,%r8,1),%r15
  mov    %rcx,%rsi
  mov    %rcx,0x8(%rsp)
  sub    %r15,%rsi
  cmp    $0x8,%rsi
  jbe    L269
  cmp    $0x2,%r9d
  jbe    L269
  lea    0x1(%r9),%r11d
  mov    %r11d,%esi
  shr    $0x2,%esi
  sub    $0x1,%esi
  shl    $0x4,%rsi
  lea    0x10(%rcx,%rsi,1),%r10
  mov    %rbx,%rsi
  sub    %rcx,%rsi
  lea    -0x4(%rsi,%r8,1),%rsi
  nopl   (%rax)
L341:
  movdqu (%rcx,%rsi,1),%xmm0
  add    $0x10,%rcx
  movups %xmm0,-0x10(%rcx)
  cmp    %r10,%rcx
  jne    L341
  mov    %r11d,%esi
  and    $0xfffffffc,%esi
  add    %esi,%eax
  lea    (%rdx,%rsi,1),%ecx
  cmp    %esi,%r11d
  je     L307
  movslq %eax,%rsi
  mov    (%rbx,%rsi,4),%r8d
  movslq %ecx,%rsi
  add    $0x1,%ecx
  mov    %r8d,(%rdi,%rsi,4)
  lea    0x1(%rax),%esi
  cmp    %r13d,%esi
  jg     L307
  movslq %esi,%rsi
  movslq %ecx,%rcx
  add    $0x2,%eax
  lea    0x0(,%rsi,4),%r8
  mov    (%rbx,%rsi,4),%esi
  lea    0x0(,%rcx,4),%r10
  mov    %esi,(%rdi,%rcx,4)
  cmp    %eax,%r13d
  jl     L307
  mov    0x4(%rbx,%r8,1),%eax
  mov    %eax,0x4(%rdi,%r10,1)
L307:
  lea    0x1(%rdx,%r9,1),%edx
  jmp    L102
  nopl   0x0(%rax,%rax,1)
L269:
  mov    %r9d,%eax
  mov    0x8(%rsp),%rsi
  add    %r11,%rax
  lea    0x4(%rdi,%rax,4),%rcx
  lea    -0x4(%r8),%rax
  sub    %r10,%rax
  sub    %rdi,%rax
  add    %rbx,%rax
  nopl   (%rax)
L324:
  mov    (%rax,%rsi,1),%r8d
  add    $0x4,%rsi
  mov    %r8d,-0x4(%rsi)
  cmp    %rcx,%rsi
  jne    L324
  lea    0x1(%rdx,%r9,1),%edx
  jmp    L102
  nopl   0x0(%rax,%rax,1)
L146:
  lea    -0x4(%r8),%rax
  add    %r10,%rsi
  sub    %rdi,%rax
  lea    0x4(%rdi,%rsi,4),%rsi
  sub    %r9,%rax
  add    %rbx,%rax
  nopl   (%rax)
L169:
  mov    (%rax,%rcx,1),%edx
  add    $0x4,%rcx
  mov    %edx,-0x4(%rcx)
  cmp    %rsi,%rcx
  jne    L169
  jmp    L214
  nopl   0x0(%rax)
L25:
  lea    0x1(%r8,%rsi,1),%rcx
  sub    %rdi,%rbx
  lea    (%rdi,%rcx,4),%rsi
  jmp    L92
  cs nopw 0x0(%rax,%rax,1)
L192:
  add    $0x4,%rdx
L92:
  mov    (%rax),%ecx
  mov    %ecx,(%rbx,%rax,1)
  mov    %rdx,%rax
  cmp    %rdx,%rsi
  jne    L192
  jmp    L2
```

assistant: ```c
void merge(int *A, int start, int middle, int end) {
  int i = start;
  int j = middle + 1;
  int l = start;
  int *B = (int *)calloc(end + 1, sizeof(int));
  while (i <= middle && j <= end) {
    if (A[i] < A[j]) {
      B[l] = A[i];
      i++;
      l++;
    } else {
      B[l] = A[j];
      j++;
      l++;
    }
  }
  while (i <= middle) {
    B[l] = A[i];
    i++;
    l++;
  }
  while (j <= end) {
    B[l] = A[j];
    j++;
    l++;
  }
  for (int i = start; i <= end; i++) {
    A[i] = B[i];
  }
  free(B);
}
```