user: 下面的汇编指令对应的C源代码是什么:

```asm
<merge>:
  endbr64
  mov    %rdx,%r10
  lea    -0x1(%rsi),%r8d
  lea    -0x1(%rcx),%edx
  add    %ecx,%esi
  neg    %ecx
  push   %rbx
  lea    -0x1(%rsi),%r9d
  jns    L3
  test   %r8d,%r8d
  js     L61
  sub    $0x2,%esi
  movslq %r8d,%r11
  movslq %esi,%rax
  nopl   0x0(%rax,%rax,1)
L49:
  movslq %edx,%rbx
  mov    (%rdi,%r11,4),%esi
  mov    (%r10,%rbx,4),%ecx
  cmp    %esi,%ecx
  jge    L41
L183:
  sub    $0x1,%r8d
  mov    %esi,0x4(%rdi,%rax,4)
  mov    %eax,%r9d
  sub    $0x1,%rax
  mov    %r8d,%esi
  or     %edx,%esi
  js     L3
  movslq %r8d,%r11
  mov    (%r10,%rbx,4),%ecx
  mov    (%rdi,%r11,4),%esi
  cmp    %esi,%ecx
  jl     L183
L41:
  sub    $0x1,%edx
  mov    %r8d,%ebx
  mov    %ecx,0x4(%rdi,%rax,4)
  mov    %eax,%r9d
  sub    $0x1,%rax
  or     %edx,%ebx
  jns    L49
L3:
  test   %r8d,%r8d
  js     L61
  movslq %r9d,%rcx
  movslq %r8d,%r11
  mov    %rcx,%rax
  sub    %r11,%rax
  lea    0xc(,%rax,4),%rax
  cmp    $0x8,%rax
  jbe    L84
  cmp    $0x2,%r8d
  jbe    L84
  lea    0x1(%r8),%ebx
  lea    -0xc(%rdi,%rcx,4),%rsi
  xor    %eax,%eax
  mov    %ebx,%ecx
  lea    -0xc(%rdi,%r11,4),%r11
  shr    $0x2,%ecx
  neg    %rcx
  shl    $0x4,%rcx
  cs nopw 0x0(%rax,%rax,1)
L70:
  movdqu (%r11,%rax,1),%xmm0
  movups %xmm0,(%rsi,%rax,1)
  sub    $0x10,%rax
  cmp    %rcx,%rax
  jne    L70
  mov    %ebx,%eax
  mov    %r8d,%esi
  mov    %r9d,%ecx
  and    $0xfffffffc,%eax
  sub    %eax,%esi
  sub    %eax,%ecx
  cmp    %eax,%ebx
  je     L58
  movslq %esi,%rbx
  lea    -0x1(%rcx),%eax
  lea    -0x1(%rsi),%r11d
  movslq %ecx,%rcx
  mov    (%rdi,%rbx,4),%ebx
  mov    %ebx,(%rdi,%rcx,4)
  test   %esi,%esi
  je     L58
  movslq %r11d,%rcx
  cltq
  lea    0x0(,%rcx,4),%rbx
  mov    (%rdi,%rcx,4),%ecx
  lea    0x0(,%rax,4),%r11
  mov    %ecx,(%rdi,%rax,4)
  cmp    $0x1,%esi
  je     L58
  mov    -0x4(%rdi,%rbx,1),%eax
  mov    %eax,-0x4(%rdi,%r11,1)
L58:
  sub    $0x1,%r9d
  sub    %r8d,%r9d
L61:
  test   %edx,%edx
  js     L38
  movslq %r9d,%rsi
  movslq %edx,%rax
  shl    $0x2,%rsi
  lea    0x0(,%rax,4),%r8
  lea    (%rdi,%rsi,1),%rcx
  lea    -0x4(%r10,%r8,1),%r11
  sub    %r11,%rcx
  add    $0x8,%rcx
  cmp    $0x8,%rcx
  jbe    L181
  cmp    $0x2,%edx
  jbe    L181
  lea    0x1(%rdx),%r11d
  lea    -0xc(%r10,%r8,1),%r8
  xor    %eax,%eax
  mov    %r11d,%ecx
  lea    -0xc(%rdi,%rsi,1),%rsi
  shr    $0x2,%ecx
  neg    %rcx
  shl    $0x4,%rcx
  nopw   0x0(%rax,%rax,1)
L120:
  movdqu (%r8,%rax,1),%xmm1
  movups %xmm1,(%rsi,%rax,1)
  sub    $0x10,%rax
  cmp    %rax,%rcx
  jne    L120
  mov    %r11d,%eax
  and    $0xfffffffc,%eax
  sub    %eax,%edx
  sub    %eax,%r9d
  cmp    %eax,%r11d
  je     L38
  movslq %edx,%rsi
  lea    -0x1(%r9),%eax
  lea    -0x1(%rdx),%ecx
  movslq %r9d,%r9
  mov    (%r10,%rsi,4),%esi
  mov    %esi,(%rdi,%r9,4)
  test   %edx,%edx
  je     L38
  movslq %ecx,%rcx
  cltq
  lea    0x0(,%rcx,4),%r8
  mov    (%r10,%rcx,4),%ecx
  lea    0x0(,%rax,4),%rsi
  mov    %ecx,(%rdi,%rax,4)
  cmp    $0x1,%edx
  je     L38
  mov    -0x4(%r10,%r8,1),%eax
  mov    %eax,-0x4(%rdi,%rsi,1)
L38:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L181:
  sub    %r8,%rsi
  add    %rsi,%rdi
  cs nopw 0x0(%rax,%rax,1)
L154:
  mov    (%r10,%rax,4),%edx
  mov    %edx,(%rdi,%rax,4)
  sub    $0x1,%rax
  test   %eax,%eax
  jns    L154
  pop    %rbx
  ret
  nopl   0x0(%rax)
L84:
  lea    (%rdi,%r11,4),%rax
  lea    -0x4(%rdi),%rbx
  sub    %r11,%rcx
  nopl   0x0(%rax,%rax,1)
L95:
  mov    (%rax),%esi
  mov    %esi,(%rax,%rcx,4)
  sub    $0x4,%rax
  cmp    %rbx,%rax
  jne    L95
  jmp    L58
```

assistant: ```c
void merge(int A[], int m, int B[], int n) {
  int ia = m - 1;
  int ib = n - 1;
  int i = m + n - 1;
  while ((ia >= 0) && (ib >= 0)) {
    A[i--] = A[ia] > B[ib] ? A[ia--] : B[ib--];
  }
  while (ia >= 0) {
    A[i--] = A[ia--];
  }
  while (ib >= 0) {
    A[i--] = B[ib--];
  }
}
```