user: 这段汇编代码用C语言表示是什么样的：

```asm
<__imlib_SubBlendSpanToRGB>:
  endbr64
  test   %edx,%edx
  je     L23
  lea    -0x1(%rdx),%r9d
  mov    %edi,%edx
  mov    %edi,%r8d
  mov    %rsi,%rcx
  shr    $0x10,%edx
  shr    $0x18,%r8d
  mov    %edi,%eax
  sub    $0x260,%rsp
  movzbl %dl,%edx
  imul   %r8d,%edx
  mov    %edx,%esi
  shr    $0x8,%esi
  lea    0x80(%rdx,%rsi,1),%esi
  movzbl %ah,%edx
  movzbl %al,%eax
  imul   %r8d,%edx
  shr    $0x8,%esi
  imul   %r8d,%eax
  mov    %edx,%edi
  shr    $0x8,%edi
  lea    0x80(%rdx,%rdi,1),%edi
  mov    %eax,%edx
  shr    $0x8,%edx
  shr    $0x8,%edi
  lea    0x80(%rax,%rdx,1),%r8d
  shr    $0x8,%r8d
  cmp    $0xf,%r9d
  jbe    L36
  mov    %r9d,%edx
  movd   %esi,%xmm8
  movd   %edi,%xmm7
  mov    %rcx,%rax
  movd   %r8d,%xmm6
  shr    $0x4,%edx
  punpcklwd %xmm8,%xmm8
  punpcklwd %xmm7,%xmm7
  punpcklwd %xmm6,%xmm6
  pshufd $0x0,%xmm7,%xmm7
  pxor   %xmm5,%xmm5
  sub    $0x1,%edx
  shl    $0x6,%rdx
  pshufd $0x0,%xmm8,%xmm8
  pshufd $0x0,%xmm6,%xmm6
  movdqa D0(%rip),%xmm3
  lea    0x40(%rcx,%rdx,1),%r10
  nopw   0x0(%rax,%rax,1)
L30:
  movdqu (%rax),%xmm1
  movdqu 0x10(%rax),%xmm0
  movdqa %xmm3,%xmm4
  add    $0x40,%rax
  movdqu -0x10(%rax),%xmm2
  movdqu -0x10(%rax),%xmm9
  pand   %xmm3,%xmm0
  pand   %xmm3,%xmm1
  packuswb %xmm0,%xmm1
  movdqu -0x20(%rax),%xmm0
  pand   %xmm3,%xmm2
  pand   %xmm1,%xmm4
  psrlw  $0x8,%xmm1
  pand   %xmm3,%xmm0
  psrlw  $0x8,%xmm9
  packuswb %xmm2,%xmm0
  movdqa %xmm3,%xmm2
  pand   %xmm0,%xmm2
  psrlw  $0x8,%xmm0
  packuswb %xmm2,%xmm4
  packuswb %xmm0,%xmm1
  movdqu -0x40(%rax),%xmm2
  movdqu -0x30(%rax),%xmm0
  psrlw  $0x8,%xmm2
  psrlw  $0x8,%xmm0
  packuswb %xmm0,%xmm2
  movdqu -0x20(%rax),%xmm0
  pand   %xmm3,%xmm2
  psrlw  $0x8,%xmm0
  packuswb %xmm9,%xmm0
  movdqa %xmm1,%xmm9
  punpckhbw %xmm5,%xmm1
  punpcklbw %xmm5,%xmm9
  pand   %xmm3,%xmm0
  psubw  %xmm8,%xmm1
  psubw  %xmm8,%xmm9
  packuswb %xmm0,%xmm2
  movdqa %xmm1,%xmm10
  movdqa %xmm9,%xmm0
  psrlw  $0x8,%xmm10
  pand   %xmm3,%xmm1
  psrlw  $0x8,%xmm0
  pand   %xmm3,%xmm10
  pand   %xmm3,%xmm9
  pand   %xmm3,%xmm0
  packuswb %xmm1,%xmm9
  packuswb %xmm10,%xmm0
  pandn  %xmm9,%xmm0
  movdqa %xmm2,%xmm9
  punpckhbw %xmm5,%xmm2
  punpcklbw %xmm5,%xmm9
  psubw  %xmm7,%xmm2
  psubw  %xmm7,%xmm9
  movdqa %xmm2,%xmm10
  pand   %xmm3,%xmm2
  movdqa %xmm9,%xmm1
  psrlw  $0x8,%xmm10
  pand   %xmm3,%xmm9
  psrlw  $0x8,%xmm1
  pand   %xmm3,%xmm10
  packuswb %xmm2,%xmm9
  pand   %xmm3,%xmm1
  packuswb %xmm10,%xmm1
  pandn  %xmm9,%xmm1
  movdqa %xmm4,%xmm9
  punpckhbw %xmm5,%xmm4
  punpcklbw %xmm5,%xmm9
  psubw  %xmm6,%xmm4
  psubw  %xmm6,%xmm9
  movdqa %xmm4,%xmm10
  pand   %xmm3,%xmm4
  movdqa %xmm9,%xmm2
  psrlw  $0x8,%xmm10
  pand   %xmm3,%xmm9
  psrlw  $0x8,%xmm2
  pand   %xmm3,%xmm10
  packuswb %xmm4,%xmm9
  pand   %xmm3,%xmm2
  packuswb %xmm10,%xmm2
  pandn  %xmm9,%xmm2
  movd   %xmm2,%edx
  mov    %dl,-0x40(%rax)
  movaps %xmm2,0x248(%rsp)
  movzbl 0x249(%rsp),%edx
  mov    %dl,-0x3c(%rax)
  movaps %xmm2,0x238(%rsp)
  movzbl 0x23a(%rsp),%edx
  mov    %dl,-0x38(%rax)
  movaps %xmm2,0x228(%rsp)
  movzbl 0x22b(%rsp),%edx
  mov    %dl,-0x34(%rax)
  movaps %xmm2,0x218(%rsp)
  movzbl 0x21c(%rsp),%edx
  mov    %dl,-0x30(%rax)
  movaps %xmm2,0x208(%rsp)
  movzbl 0x20d(%rsp),%edx
  mov    %dl,-0x2c(%rax)
  movaps %xmm2,0x1f8(%rsp)
  movzbl 0x1fe(%rsp),%edx
  mov    %dl,-0x28(%rax)
  movaps %xmm2,0x1e8(%rsp)
  movzbl 0x1ef(%rsp),%edx
  mov    %dl,-0x24(%rax)
  movaps %xmm2,0x1d8(%rsp)
  movzbl 0x1e0(%rsp),%edx
  mov    %dl,-0x20(%rax)
  movaps %xmm2,0x1c8(%rsp)
  movzbl 0x1d1(%rsp),%edx
  mov    %dl,-0x1c(%rax)
  movaps %xmm2,0x1b8(%rsp)
  movzbl 0x1c2(%rsp),%edx
  mov    %dl,-0x18(%rax)
  movaps %xmm2,0x1a8(%rsp)
  movzbl 0x1b3(%rsp),%edx
  mov    %dl,-0x14(%rax)
  movaps %xmm2,0x198(%rsp)
  movzbl 0x1a4(%rsp),%edx
  mov    %dl,-0x10(%rax)
  movaps %xmm2,0x188(%rsp)
  movzbl 0x195(%rsp),%edx
  mov    %dl,-0xc(%rax)
  movaps %xmm2,0x178(%rsp)
  movzbl 0x186(%rsp),%edx
  mov    %dl,-0x8(%rax)
  movaps %xmm2,0x168(%rsp)
  movzbl 0x177(%rsp),%edx
  mov    %dl,-0x4(%rax)
  movd   %xmm1,%edx
  mov    %dl,-0x3f(%rax)
  movaps %xmm1,0x158(%rsp)
  movzbl 0x159(%rsp),%edx
  mov    %dl,-0x3b(%rax)
  movaps %xmm1,0x148(%rsp)
  movzbl 0x14a(%rsp),%edx
  mov    %dl,-0x37(%rax)
  movaps %xmm1,0x138(%rsp)
  movzbl 0x13b(%rsp),%edx
  mov    %dl,-0x33(%rax)
  movaps %xmm1,0x128(%rsp)
  movzbl 0x12c(%rsp),%edx
  mov    %dl,-0x2f(%rax)
  movaps %xmm1,0x118(%rsp)
  movzbl 0x11d(%rsp),%edx
  mov    %dl,-0x2b(%rax)
  movaps %xmm1,0x108(%rsp)
  movzbl 0x10e(%rsp),%edx
  mov    %dl,-0x27(%rax)
  movaps %xmm1,0xf8(%rsp)
  movzbl 0xff(%rsp),%edx
  mov    %dl,-0x23(%rax)
  movaps %xmm1,0xe8(%rsp)
  movzbl 0xf0(%rsp),%edx
  mov    %dl,-0x1f(%rax)
  movaps %xmm1,0xd8(%rsp)
  movzbl 0xe1(%rsp),%edx
  mov    %dl,-0x1b(%rax)
  movaps %xmm1,0xc8(%rsp)
  movzbl 0xd2(%rsp),%edx
  mov    %dl,-0x17(%rax)
  movaps %xmm1,0xb8(%rsp)
  movzbl 0xc3(%rsp),%edx
  mov    %dl,-0x13(%rax)
  movaps %xmm1,0xa8(%rsp)
  movzbl 0xb4(%rsp),%edx
  mov    %dl,-0xf(%rax)
  movaps %xmm1,0x98(%rsp)
  movzbl 0xa5(%rsp),%edx
  mov    %dl,-0xb(%rax)
  movaps %xmm1,0x88(%rsp)
  movzbl 0x96(%rsp),%edx
  mov    %dl,-0x7(%rax)
  movaps %xmm1,0x78(%rsp)
  movzbl 0x87(%rsp),%edx
  mov    %dl,-0x3(%rax)
  movd   %xmm0,%edx
  mov    %dl,-0x3e(%rax)
  movaps %xmm0,0x68(%rsp)
  movzbl 0x69(%rsp),%edx
  mov    %dl,-0x3a(%rax)
  movaps %xmm0,0x58(%rsp)
  movzbl 0x5a(%rsp),%edx
  mov    %dl,-0x36(%rax)
  movaps %xmm0,0x48(%rsp)
  movzbl 0x4b(%rsp),%edx
  mov    %dl,-0x32(%rax)
  movaps %xmm0,0x38(%rsp)
  movzbl 0x3c(%rsp),%edx
  mov    %dl,-0x2e(%rax)
  movaps %xmm0,0x28(%rsp)
  movzbl 0x2d(%rsp),%edx
  mov    %dl,-0x2a(%rax)
  movaps %xmm0,0x18(%rsp)
  movzbl 0x1e(%rsp),%edx
  mov    %dl,-0x26(%rax)
  movaps %xmm0,0x8(%rsp)
  movzbl 0xf(%rsp),%edx
  mov    %dl,-0x22(%rax)
  movaps %xmm0,-0x8(%rsp)
  movzbl (%rsp),%edx
  mov    %dl,-0x1e(%rax)
  movaps %xmm0,-0x18(%rsp)
  movzbl -0xf(%rsp),%edx
  mov    %dl,-0x1a(%rax)
  movaps %xmm0,-0x28(%rsp)
  movzbl -0x1e(%rsp),%edx
  mov    %dl,-0x16(%rax)
  movaps %xmm0,-0x38(%rsp)
  movzbl -0x2d(%rsp),%edx
  mov    %dl,-0x12(%rax)
  movaps %xmm0,-0x48(%rsp)
  movzbl -0x3c(%rsp),%edx
  mov    %dl,-0xe(%rax)
  movaps %xmm0,-0x58(%rsp)
  movzbl -0x4b(%rsp),%edx
  mov    %dl,-0xa(%rax)
  movaps %xmm0,-0x68(%rsp)
  movzbl -0x5a(%rsp),%edx
  mov    %dl,-0x6(%rax)
  movaps %xmm0,-0x78(%rsp)
  movzbl -0x69(%rsp),%edx
  mov    %dl,-0x2(%rax)
  cmp    %rax,%r10
  jne    L30
  mov    %r9d,%eax
  and    $0xfffffff0,%eax
  mov    %eax,%edx
  sub    %eax,%r9d
  lea    (%rcx,%rdx,4),%rcx
L36:
  lea    0x4(%rcx,%r9,4),%r9
  nopl   0x0(%rax,%rax,1)
L19:
  movzbl 0x2(%rcx),%edx
  add    $0x4,%rcx
  sub    %esi,%edx
  mov    %edx,%eax
  shr    $0x8,%eax
  not    %eax
  and    %edx,%eax
  movzbl -0x3(%rcx),%edx
  mov    %al,-0x2(%rcx)
  sub    %edi,%edx
  mov    %edx,%eax
  shr    $0x8,%eax
  not    %eax
  and    %edx,%eax
  movzbl -0x4(%rcx),%edx
  mov    %al,-0x3(%rcx)
  sub    %r8d,%edx
  mov    %edx,%eax
  shr    $0x8,%eax
  not    %eax
  and    %edx,%eax
  mov    %al,-0x4(%rcx)
  cmp    %r9,%rcx
  jne    L19
  add    $0x260,%rsp
  ret
  nopl   0x0(%rax,%rax,1)
L23:
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D0
type_guessed: byte[16]

tool: {"D0": [0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00]}

assistant: ```c
void __imlib_SubBlendSpanToRGB(unsigned int color, unsigned int *dst, int len) {
  while (len--) {
    unsigned int tmp;
    tmp = (((unsigned char *)(&color))[2]) * (((unsigned char *)(&color))[3]);
    tmp = (((unsigned char *)(dst))[2]) - ((tmp + (tmp >> 8) + 0x80) >> 8);
    ((unsigned char *)(dst))[2] = (tmp & (~(tmp >> 8)));
    ;
    tmp = (((unsigned char *)(&color))[1]) * (((unsigned char *)(&color))[3]);
    tmp = (((unsigned char *)(dst))[1]) - ((tmp + (tmp >> 8) + 0x80) >> 8);
    ((unsigned char *)(dst))[1] = (tmp & (~(tmp >> 8)));
    ;
    tmp = (((unsigned char *)(&color))[0]) * (((unsigned char *)(&color))[3]);
    tmp = (((unsigned char *)(dst))[0]) - ((tmp + (tmp >> 8) + 0x80) >> 8);
    ((unsigned char *)(dst))[0] = (tmp & (~(tmp >> 8)));
    ;
    ;
    dst++;
  }
}
```