user: 这段汇编代码用C语言表示是什么样的？

```asm
<Dswap4BArr>:
  endbr64
  lea    0x0(,%rsi,4),%ecx
  test   %ecx,%ecx
  jle    L10
  lea    -0x1(%rcx),%eax
  mov    %rdi,%rdx
  mov    %eax,%edi
  shr    $0x2,%edi
  add    $0x1,%edi
  cmp    $0x3b,%eax
  jbe    L66
  mov    %edi,%esi
  movdqa D2(%rip),%xmm3
  mov    %rdx,%rax
  shr    $0x4,%esi
  sub    $0x1,%esi
  shl    $0x6,%rsi
  lea    0x40(%rdx,%rsi,1),%rsi
  cs nopw 0x0(%rax,%rax,1)
L94:
  movdqu (%rax),%xmm1
  movdqu 0x10(%rax),%xmm0
  movdqa %xmm3,%xmm6
  add    $0x40,%rax
  movdqu -0x30(%rax),%xmm2
  movdqu -0x20(%rax),%xmm4
  pand   %xmm3,%xmm0
  pand   %xmm3,%xmm1
  movdqu -0x10(%rax),%xmm5
  packuswb %xmm0,%xmm1
  movdqu -0x40(%rax),%xmm0
  psrlw  $0x8,%xmm2
  pand   %xmm3,%xmm4
  psrlw  $0x8,%xmm5
  psrlw  $0x8,%xmm0
  packuswb %xmm2,%xmm0
  movdqu -0x10(%rax),%xmm2
  pand   %xmm3,%xmm2
  packuswb %xmm2,%xmm4
  movdqu -0x20(%rax),%xmm2
  pand   %xmm4,%xmm6
  psrlw  $0x8,%xmm4
  psrlw  $0x8,%xmm2
  packuswb %xmm5,%xmm2
  movdqa %xmm3,%xmm5
  pand   %xmm1,%xmm5
  psrlw  $0x8,%xmm1
  packuswb %xmm6,%xmm5
  packuswb %xmm4,%xmm1
  movdqa %xmm3,%xmm6
  movdqa %xmm3,%xmm4
  pand   %xmm2,%xmm6
  pand   %xmm0,%xmm4
  psrlw  $0x8,%xmm2
  psrlw  $0x8,%xmm0
  packuswb %xmm6,%xmm4
  packuswb %xmm2,%xmm0
  movdqa %xmm0,%xmm2
  punpckhbw %xmm4,%xmm0
  punpcklbw %xmm4,%xmm2
  movdqa %xmm1,%xmm4
  punpckhbw %xmm5,%xmm1
  punpcklbw %xmm5,%xmm4
  movdqa %xmm2,%xmm5
  punpckhbw %xmm4,%xmm2
  punpcklbw %xmm4,%xmm5
  movups %xmm2,-0x30(%rax)
  movdqa %xmm0,%xmm2
  punpckhbw %xmm1,%xmm0
  punpcklbw %xmm1,%xmm2
  movups %xmm5,-0x40(%rax)
  movups %xmm2,-0x20(%rax)
  movups %xmm0,-0x10(%rax)
  cmp    %rax,%rsi
  jne    L94
  mov    %edi,%esi
  and    $0xfffffff0,%esi
  lea    0x0(,%rsi,4),%eax
  cmp    %esi,%edi
  je     L184
L36:
  movslq %eax,%rsi
  push   %rbx
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x4(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %ecx,%esi
  jge    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x8(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0xc(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x10(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x14(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x18(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x1c(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x20(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x24(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x28(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x2c(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x30(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  lea    0x34(%rax),%esi
  mov    %r10b,(%rdi)
  cmp    %esi,%ecx
  jle    L65
  movslq %esi,%rsi
  add    $0x38,%eax
  lea    0x3(%rdx,%rsi,1),%rdi
  lea    (%rdx,%rsi,1),%r9
  movzbl (%rdi),%ebx
  lea    0x1(%rdx,%rsi,1),%r8
  lea    0x2(%rdx,%rsi,1),%rsi
  movzbl (%r9),%r10d
  movzbl (%r8),%r11d
  mov    %bl,(%r9)
  movzbl (%rsi),%r9d
  mov    %r9b,(%r8)
  mov    %r11b,(%rsi)
  mov    %r10b,(%rdi)
  cmp    %eax,%ecx
  jle    L65
  cltq
  lea    0x3(%rdx,%rax,1),%rcx
  lea    (%rdx,%rax,1),%rdi
  movzbl (%rcx),%r10d
  lea    0x1(%rdx,%rax,1),%rsi
  lea    0x2(%rdx,%rax,1),%rax
  movzbl (%rdi),%r8d
  movzbl (%rsi),%r9d
  mov    %r10b,(%rdi)
  movzbl (%rax),%edx
  mov    %dl,(%rsi)
  mov    %r9b,(%rax)
  mov    %r8b,(%rcx)
L65:
  pop    %rbx
  ret
L66:
  xor    %eax,%eax
  jmp    L36
  nopl   0x0(%rax)
L10:
  ret
L184:
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D2
datatype: byte[16]

tool: {"D2": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

assistant: ```c
void Dswap4BArr(void *val, int n) {
  int i;
  char a, b;
  char *c = (char *)val;
  for (i = 0; i < 4 * n; i += 4) {
    a = c[i];
    b = c[i + 1];
    c[i] = c[i + 3];
    c[i + 1] = c[i + 2];
    c[i + 2] = b;
    c[i + 3] = a;
  }
}
```