user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<FillImage420>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x2c(%rbp),%eax
  imul   -0x30(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x2c(%rbp),%eax
  imul   -0x30(%rbp),%eax
  mov    %eax,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x20(%rbp)
  jmp    L124
L70:
  movl   $0x0,-0x1c(%rbp)
  jmp    L92
L113:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x52,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x52,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x52,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x52,(%rax)
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movl   $0x5b,(%rax)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movl   $0xf0,(%rax)
  addl   $0x1,-0x1c(%rbp)
L92:
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0x1c(%rbp)
  jl     L113
  addl   $0x1,-0x20(%rbp)
L124:
  mov    -0x30(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  cmp    %eax,-0x20(%rbp)
  jl     L70
  movl   $0x0,-0x20(%rbp)
  jmp    L127
L36:
  movl   $0x0,-0x1c(%rbp)
  jmp    L63
L21:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x91,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x91,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x91,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x91,(%rax)
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movl   $0x37,(%rax)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movl   $0x23,(%rax)
  addl   $0x1,-0x1c(%rbp)
L63:
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0x1c(%rbp)
  jl     L21
  addl   $0x1,-0x20(%rbp)
L127:
  mov    -0x30(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  cmp    %eax,-0x20(%rbp)
  jl     L36
  movl   $0x0,-0x20(%rbp)
  jmp    L120
L31:
  movl   $0x0,-0x1c(%rbp)
  jmp    L112
L5:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x29,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x29,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x29,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0x29,(%rax)
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movl   $0xf0,(%rax)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movl   $0x6f,(%rax)
  addl   $0x1,-0x1c(%rbp)
L112:
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0x1c(%rbp)
  jl     L5
  addl   $0x1,-0x20(%rbp)
L120:
  mov    -0x30(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  cmp    %eax,-0x20(%rbp)
  jl     L31
  movl   $0x0,-0x20(%rbp)
  jmp    L10
L97:
  movl   $0x0,-0x1c(%rbp)
  jmp    L146
L44:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0xeb,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0xeb,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0xeb,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movl   $0xeb,(%rax)
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movl   $0x80,(%rax)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movl   $0x80,(%rax)
  addl   $0x1,-0x1c(%rbp)
L146:
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0x1c(%rbp)
  jl     L44
  addl   $0x1,-0x20(%rbp)
L10:
  mov    -0x30(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  cmp    %eax,-0x20(%rbp)
  jl     L97
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void FillImage420(unsigned char *image, int width, int height) {
  uint8_t *pY = (uint8_t *)(image);
  uint8_t *pU = (uint8_t *)(image + width * height);
  uint8_t *pV = (uint8_t *)(image + width * height * 5 / 4);
  int y, x;
  for (y = 0; y < height / 8; y++) {
    for (x = 0; x < width / 2; x++) {
      *pY++ = 0x52;
      *pY++ = 0x52;
      *pY++ = 0x52;
      *pY++ = 0x52;
      *pU++ = 0x5b;
      *pV++ = 0xf0;
    }
  }
  for (y = 0; y < height / 8; y++) {
    for (x = 0; x < width / 2; x++) {
      *pY++ = 0x91;
      *pY++ = 0x91;
      *pY++ = 0x91;
      *pY++ = 0x91;
      *pU++ = 0x37;
      *pV++ = 0x23;
    }
  }
  for (y = 0; y < height / 8; y++) {
    for (x = 0; x < width / 2; x++) {
      *pY++ = 0x29;
      *pY++ = 0x29;
      *pY++ = 0x29;
      *pY++ = 0x29;
      *pU++ = 0xf0;
      *pV++ = 0x6f;
    }
  }
  for (y = 0; y < height / 8; y++) {
    for (x = 0; x < width / 2; x++) {
      *pY++ = 0xeb;
      *pY++ = 0xeb;
      *pY++ = 0xeb;
      *pY++ = 0xeb;
      *pU++ = 0x80;
      *pV++ = 0x80;
    }
  }
}
```