user: 下面的汇编指令对应的C源代码是什么:

```asm
<blurYAlpha>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %esi,-0x4c(%rbp)
  mov    %edx,-0x50(%rbp)
  mov    %ecx,-0x54(%rbp)
  mov    %r8d,%eax
  mov    %r9d,-0x5c(%rbp)
  mov    %al,-0x58(%rbp)
  cmpl   $0x0,-0x54(%rbp)
  jle    L17
  mov    0x10(%rbp),%eax
  imul   -0x4c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x5c(%rbp),%eax
  cltq
  add    %rax,%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x54(%rbp),%eax
  add    %eax,%eax
  mov    %eax,-0x34(%rbp)
  mov    -0x34(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x30(%rbp)
  mov    0x20(%rbp),%edx
  mov    -0x34(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edi
  call   <allocMemory@plt>
  mov    %rax,-0x10(%rbp)
  movzbl -0x58(%rbp),%ecx
  mov    -0x34(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <clearMemory@plt>
  movzbl -0x58(%rbp),%eax
  mov    0x20(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x10(%rbp),%rdx
  add    %rdx,%rcx
  mov    -0x34(%rbp),%edx
  mov    %eax,%esi
  mov    %rcx,%rdi
  call   <clearMemory@plt>
  mov    0x20(%rbp),%eax
  mov    %eax,%edi
  call   <allocMemory@plt>
  mov    %rax,-0x8(%rbp)
  mov    0x20(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <clearMemory@plt>
  mov    -0x54(%rbp),%eax
  imul   -0x4c(%rbp),%eax
  mov    %eax,-0x2c(%rbp)
  movl   $0x0,-0x3c(%rbp)
  jmp    L69
L19:
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x34(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x38(%rbp)
  jmp    L55
L64:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    -0x20(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x4c(%rbp),%eax
  cltq
  add    %rax,-0x20(%rbp)
  addl   $0x1,-0x38(%rbp)
L55:
  mov    0x20(%rbp),%eax
  sub    -0x34(%rbp),%eax
  cmp    %eax,-0x38(%rbp)
  jl     L64
  mov    -0x30(%rbp),%ecx
  mov    0x20(%rbp),%edx
  mov    -0x10(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <boxBlurAlpha@plt>
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x38(%rbp)
  jmp    L23
L48:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x4c(%rbp),%eax
  cltq
  add    %rax,-0x20(%rbp)
  addl   $0x1,-0x38(%rbp)
L23:
  mov    -0x38(%rbp),%eax
  cmp    0x20(%rbp),%eax
  jl     L48
  addq   $0x1,-0x28(%rbp)
  addl   $0x1,-0x3c(%rbp)
L69:
  mov    -0x3c(%rbp),%eax
  cmp    0x18(%rbp),%eax
  jl     L19
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <freeMemory@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <freeMemory@plt>
  jmp    L65
L17:
  nop
L65:
  leave
  ret
```

assistant: ```c
void blurYAlpha(unsigned char *img, int width, int height, int distance, unsigned char borderAlpha, int rx, int ry, int rw, int rh) {
  if (distance < 1) {
    return;
  }
  unsigned char *src = img + (ry * width) + rx;
  int dist2 = distance << 1;
  int windowLength = dist2 + 1;
  unsigned char *lineBufferIn = allocMemory(rh + dist2);
  clearMemory(lineBufferIn, borderAlpha, dist2);
  clearMemory(lineBufferIn + rh, borderAlpha, dist2);
  unsigned char *lineBufferOut = allocMemory(rh);
  clearMemory(lineBufferOut, 0, rh);
  unsigned char *psrc;
  unsigned char *pline;
  int srcOffs = distance * width;
  int x, y;
  for (x = 0; x < rw; ++x) {
    psrc = src + srcOffs;
    pline = lineBufferIn + dist2;
    for (y = 0; y < rh - dist2; ++y) {
      *pline++ = *psrc;
      psrc += width;
    }
    boxBlurAlpha(lineBufferOut, lineBufferIn, rh, windowLength);
    psrc = src;
    pline = lineBufferOut;
    for (y = 0; y < rh; ++y) {
      *psrc = *pline++;
      psrc += width;
    }
    src++;
  }
  freeMemory(lineBufferOut);
  freeMemory(lineBufferIn);
}
```