user: 下面的汇编指令对应的C源代码是什么：

```asm
<v4lconvert_border_bayer_line_to_y>:
  endbr64
  mov    %ecx,%r10d
  movzbl (%rsi),%r11d
  movzbl 0x1(%rdi),%ecx
  push   %r12
  movzbl (%rdi),%eax
  push   %rbp
  push   %rbx
  test   %r8d,%r8d
  je     L21
  imul   $0x40d2,%eax,%r8d
  lea    0x2(%rdx),%rax
  test   %r9d,%r9d
  jne    L79
  imul   $0x2105,%ecx,%ecx
  imul   $0xc97,%r11d,%r11d
  add    %r8d,%ecx
  lea    0x80000(%rcx,%r11,1),%ecx
  sar    $0xf,%ecx
  mov    %cl,(%rdx)
  movzbl 0x2(%rdi),%r8d
  movzbl (%rdi),%ecx
  movzbl 0x2(%rsi),%r11d
  add    %r8d,%ecx
  movzbl 0x1(%rsi),%r8d
  add    %r8d,%ecx
  movzbl 0x1(%rdi),%r8d
  imul   $0x159b,%ecx,%ecx
  imul   $0x2105,%r8d,%r8d
  add    %r8d,%ecx
  movzbl (%rsi),%r8d
  add    %r11d,%r8d
  imul   $0x64b,%r8d,%r8d
  lea    0x80000(%rcx,%r8,1),%ecx
  sar    $0xf,%ecx
L89:
  mov    %cl,0x1(%rdx)
  add    $0x1,%rdi
  add    $0x1,%rsi
  lea    -0x2(%r10),%r8d
  test   %r9d,%r9d
  je     L14
L139:
  cmp    $0x2,%r8d
  jle    L20
  lea    -0x3(%r8),%ebx
  mov    %rsi,%r9
  mov    %rdi,%rcx
  shr    %ebx
  lea    0x1(%rbx),%ebp
  add    %rbp,%rbp
  lea    (%rax,%rbp,1),%r11
  xchg   %ax,%ax
L6:
  movzbl 0x1(%rcx),%edx
  add    $0x2,%rax
  add    $0x2,%rcx
  movzbl (%rcx),%r12d
  movzbl 0x1(%r9),%r10d
  add    $0x2,%r9
  imul   $0x40d2,%edx,%edx
  imul   $0x2105,%r10d,%r10d
  add    %edx,%r10d
  movzbl -0x2(%rcx),%edx
  add    %r12d,%edx
  imul   $0x64b,%edx,%edx
  lea    0x80000(%r10,%rdx,1),%edx
  sar    $0xf,%edx
  mov    %dl,-0x2(%rax)
  movzbl 0x1(%rcx),%r10d
  movzbl -0x1(%rcx),%edx
  movzbl 0x1(%r9),%r12d
  add    %r10d,%edx
  movzbl (%r9),%r10d
  add    %r10d,%edx
  movzbl -0x1(%r9),%r10d
  imul   $0x159b,%edx,%edx
  add    %r12d,%r10d
  imul   $0x1082,%r10d,%r10d
  add    %r10d,%edx
  movzbl (%rcx),%r10d
  imul   $0xc97,%r10d,%r10d
  lea    0x80000(%rdx,%r10,1),%edx
  sar    $0xf,%edx
  mov    %dl,-0x1(%rax)
  cmp    %r11,%rax
  jne    L6
  neg    %ebx
  add    %rbp,%rdi
  add    %rbp,%rsi
  lea    -0x2(%r8,%rbx,2),%r8d
L37:
  movzbl 0x1(%rdi),%eax
  movzbl 0x1(%rsi),%edx
  imul   $0x40d2,%eax,%eax
  imul   $0x2105,%edx,%edx
  add    %edx,%eax
  movzbl (%rdi),%edx
  cmp    $0x2,%r8d
  je     L68
  imul   $0xc97,%edx,%edx
  lea    0x80000(%rax,%rdx,1),%eax
  sar    $0xf,%eax
  mov    %al,(%r11)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  xchg   %ax,%ax
L21:
  add    %r11d,%ecx
  movzbl 0x1(%rsi),%r8d
  imul   $0x2069,%ecx,%ecx
  test   %r9d,%r9d
  jne    L28
  imul   $0x2105,%eax,%eax
  imul   $0xc97,%r8d,%r8d
  add    %ecx,%eax
  lea    0x80000(%rax,%r8,1),%ecx
  sar    $0xf,%ecx
L105:
  mov    %cl,(%rdx)
  lea    0x1(%rdx),%rax
  lea    -0x1(%r10),%r8d
  test   %r9d,%r9d
  jne    L139
L14:
  cmp    $0x2,%r8d
  jle    L116
  lea    -0x3(%r8),%r11d
  mov    %rsi,%r9
  mov    %rdi,%rcx
  shr    %r11d
  lea    0x1(%r11),%ebx
  add    %rbx,%rbx
  lea    (%rax,%rbx,1),%r10
  cs nopw 0x0(%rax,%rax,1)
L35:
  movzbl 0x2(%rcx),%ebp
  movzbl (%rcx),%edx
  add    $0x2,%rax
  add    $0x2,%rcx
  add    $0x2,%r9
  add    %ebp,%edx
  movzbl -0x1(%rcx),%ebp
  imul   $0x1082,%edx,%edx
  imul   $0x40d2,%ebp,%ebp
  add    %ebp,%edx
  movzbl -0x1(%r9),%ebp
  imul   $0xc97,%ebp,%ebp
  lea    0x80000(%rdx,%rbp,1),%edx
  sar    $0xf,%edx
  mov    %dl,-0x2(%rax)
  movzbl 0x1(%rcx),%ebp
  movzbl -0x1(%rcx),%edx
  movzbl 0x1(%r9),%r12d
  add    %ebp,%edx
  movzbl (%r9),%ebp
  add    %ebp,%edx
  movzbl (%rcx),%ebp
  imul   $0x159b,%edx,%edx
  imul   $0x2105,%ebp,%ebp
  add    %ebp,%edx
  movzbl -0x1(%r9),%ebp
  add    %r12d,%ebp
  imul   $0x64b,%ebp,%ebp
  lea    0x80000(%rdx,%rbp,1),%edx
  sar    $0xf,%edx
  mov    %dl,-0x1(%rax)
  cmp    %rax,%r10
  jne    L35
  neg    %r11d
  add    %rbx,%rdi
  add    %rbx,%rsi
  lea    -0x2(%r8,%r11,2),%r8d
L116:
  movzbl 0x1(%rdi),%ecx
  movzbl (%rdi),%edx
  imul   $0x40d2,%ecx,%r9d
  movzbl 0x1(%rsi),%ecx
  imul   $0xc97,%ecx,%ecx
  cmp    $0x2,%r8d
  je     L121
  imul   $0x2105,%edx,%edx
  add    %r9d,%edx
  lea    0x80000(%rcx,%rdx,1),%edx
  sar    $0xf,%edx
  mov    %dl,(%rax)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L28:
  imul   $0x2105,%r8d,%r8d
  imul   $0xc97,%eax,%eax
  add    %ecx,%r8d
  lea    0x80000(%r8,%rax,1),%ecx
  sar    $0xf,%ecx
  jmp    L105
  nopl   0x0(%rax,%rax,1)
L79:
  imul   $0x2105,%r11d,%r11d
  imul   $0xc97,%ecx,%ecx
  add    %r8d,%r11d
  lea    0x80000(%r11,%rcx,1),%ecx
  sar    $0xf,%ecx
  mov    %cl,(%rdx)
  movzbl 0x2(%rdi),%r8d
  movzbl (%rdi),%ecx
  movzbl 0x2(%rsi),%r11d
  add    %r8d,%ecx
  movzbl 0x1(%rsi),%r8d
  add    %r8d,%ecx
  movzbl (%rsi),%r8d
  imul   $0x159b,%ecx,%ecx
  add    %r11d,%r8d
  imul   $0x1082,%r8d,%r8d
  add    %r8d,%ecx
  movzbl 0x1(%rdi),%r8d
  imul   $0xc97,%r8d,%r8d
  lea    0x80000(%rcx,%r8,1),%ecx
  sar    $0xf,%ecx
  jmp    L89
  nopl   0x0(%rax,%rax,1)
L121:
  movzbl 0x2(%rdi),%r8d
  add    %r8d,%edx
  imul   $0x1082,%edx,%edx
  add    %r9d,%edx
  lea    0x80000(%rcx,%rdx,1),%edx
  sar    $0xf,%edx
  mov    %dl,(%rax)
  movzbl 0x2(%rsi),%ecx
  movzbl 0x1(%rdi),%edx
  add    %ecx,%edx
  movzbl 0x2(%rdi),%ecx
  imul   $0x2069,%edx,%edx
  imul   $0x2105,%ecx,%ecx
  add    %ecx,%edx
  movzbl 0x1(%rsi),%ecx
  imul   $0xc97,%ecx,%ecx
  lea    0x80000(%rdx,%rcx,1),%edx
  sar    $0xf,%edx
  mov    %dl,0x1(%rax)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   (%rax)
L68:
  movzbl 0x2(%rdi),%ecx
  add    %ecx,%edx
  imul   $0x64b,%edx,%edx
  lea    0x80000(%rax,%rdx,1),%eax
  sar    $0xf,%eax
  mov    %al,(%r11)
  movzbl 0x2(%rsi),%edx
  movzbl 0x1(%rdi),%eax
  add    %edx,%eax
  movzbl 0x1(%rsi),%edx
  imul   $0x2069,%eax,%eax
  imul   $0x2105,%edx,%edx
  add    %edx,%eax
  movzbl 0x2(%rdi),%edx
  imul   $0xc97,%edx,%edx
  lea    0x80000(%rax,%rdx,1),%eax
  sar    $0xf,%eax
  mov    %al,0x1(%r11)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L20:
  mov    %rax,%r11
  jmp    L37
```

assistant: ```c
void v4lconvert_border_bayer_line_to_y(const unsigned char *bayer, const unsigned char *adjacent_bayer, unsigned char *y, int width, int start_with_green, int blue_line) {
  int t0, t1;
  if (start_with_green) {
    if (blue_line) {
      *y++ = (8453 * adjacent_bayer[0] + 16594 * bayer[0] + 3223 * bayer[1] + 524288) >> 15;
    } else {
      *y++ = (8453 * bayer[1] + 16594 * bayer[0] + 3223 * adjacent_bayer[0] + 524288) >> 15;
    }
    t0 = bayer[0] + bayer[2] + adjacent_bayer[1];
    t1 = adjacent_bayer[0] + adjacent_bayer[2];
    if (blue_line) {
      *y++ = (4226 * t1 + 5531 * t0 + 3223 * bayer[1] + 524288) >> 15;
    } else {
      *y++ = (8453 * bayer[1] + 5531 * t0 + 1611 * t1 + 524288) >> 15;
    }
    bayer++;
    adjacent_bayer++;
    width -= 2;
  } else {
    t0 = bayer[1] + adjacent_bayer[0];
    if (blue_line) {
      *y++ = (8453 * adjacent_bayer[1] + 8297 * t0 + 3223 * bayer[0] + 524288) >> 15;
    } else {
      *y++ = (8453 * bayer[0] + 8297 * t0 + 3223 * adjacent_bayer[1] + 524288) >> 15;
    }
    width--;
  }
  if (blue_line) {
    for (; width > 2; width -= 2) {
      t0 = bayer[0] + bayer[2];
      *y++ = (8453 * adjacent_bayer[1] + 16594 * bayer[1] + 1611 * t0 + 524288) >> 15;
      bayer++;
      adjacent_bayer++;
      t0 = bayer[0] + bayer[2] + adjacent_bayer[1];
      t1 = adjacent_bayer[0] + adjacent_bayer[2];
      *y++ = (4226 * t1 + 5531 * t0 + 3223 * bayer[1] + 524288) >> 15;
      bayer++;
      adjacent_bayer++;
    }
  } else {
    for (; width > 2; width -= 2) {
      t0 = bayer[0] + bayer[2];
      *y++ = (4226 * t0 + 16594 * bayer[1] + 3223 * adjacent_bayer[1] + 524288) >> 15;
      bayer++;
      adjacent_bayer++;
      t0 = bayer[0] + bayer[2] + adjacent_bayer[1];
      t1 = adjacent_bayer[0] + adjacent_bayer[2];
      *y++ = (8453 * bayer[1] + 5531 * t0 + 1611 * t1 + 524288) >> 15;
      bayer++;
      adjacent_bayer++;
    }
  }
  if (width == 2) {
    t0 = bayer[0] + bayer[2];
    if (blue_line) {
      *y++ = (8453 * adjacent_bayer[1] + 16594 * bayer[1] + 1611 * t0 + 524288) >> 15;
    } else {
      *y++ = (4226 * t0 + 16594 * bayer[1] + 3223 * adjacent_bayer[1] + 524288) >> 15;
    }
    t0 = bayer[1] + adjacent_bayer[2];
    if (blue_line) {
      *y++ = (8453 * adjacent_bayer[1] + 8297 * t0 + 3223 * bayer[2] + 524288) >> 15;
    } else {
      *y++ = (8453 * bayer[2] + 8297 * t0 + 3223 * adjacent_bayer[1] + 524288) >> 15;
    }
  } else {
    if (blue_line) {
      *y++ = (8453 * adjacent_bayer[1] + 16594 * bayer[1] + 3223 * bayer[0] + 524288) >> 15;
    } else {
      *y++ = (8453 * bayer[0] + 16594 * bayer[1] + 3223 * adjacent_bayer[1] + 524288) >> 15;
    }
  }
}
```