user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<pred_comp>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  mov    %ecx,%edi
  push   %rbp
  mov    %rsi,%rbp
  mov    %edx,%esi
  push   %rbx
  mov    0x38(%rsp),%edx
  mov    0x28(%rsp),%eax
  mov    0x30(%rsp),%ebx
  mov    %edx,%r11d
  sar    %edx
  mov    0x40(%rsp),%r10d
  add    %eax,%edx
  imul   %esi,%eax
  mov    %ebx,%ecx
  and    $0x1,%r11d
  imul   %esi,%edx
  sar    %ecx
  add    %r9d,%ecx
  movslq %r9d,%r9
  movslq %ecx,%rcx
  cltq
  movslq %edx,%rdx
  add    %r9,%rax
  add    %rcx,%rdx
  add    %rbp,%rax
  add    %r12,%rdx
  and    $0x1,%ebx
  je     L363
  test   %r11d,%r11d
  jne    L2
  test   %r10d,%r10d
  jne    L396
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  movslq %edi,%rbp
  nopw   0x0(%rax,%rax,1)
L183:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L297
  cs nopw 0x0(%rax,%rax,1)
L326:
  movzbl (%rdx,%rcx,1),%ebx
  movzbl 0x1(%rdx,%rcx,1),%r11d
  lea    0x1(%rbx,%r11,1),%esi
  shr    %esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rbp
  jne    L326
L297:
  add    $0x1,%r10d
  add    %r9,%rdx
  add    %r9,%rax
  cmp    %r10d,%r8d
  jne    L183
  jmp    L3
L2:
  test   %r10d,%r10d
  je     L299
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  xor    %ebx,%ebx
  movslq %edi,%r11
  lea    (%rdx,%r9,1),%rbp
  mov    %rbp,%r10
  nopl   0x0(%rax,%rax,1)
L325:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L122
  xchg   %ax,%ax
L108:
  movzbl 0x1(%rdx,%rcx,1),%r12d
  movzbl (%rdx,%rcx,1),%esi
  add    %r12d,%esi
  movzbl (%r10,%rcx,1),%r12d
  add    %r12d,%esi
  movzbl 0x1(%r10,%rcx,1),%r12d
  lea    0x2(%rsi,%r12,1),%esi
  movzbl (%rax,%rcx,1),%r12d
  shr    $0x2,%esi
  lea    0x1(%rsi,%r12,1),%esi
  shr    %esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%r11
  jne    L108
L122:
  add    $0x1,%ebx
  mov    %rbp,%rdx
  add    %r9,%rax
  add    %r9,%r10
  cmp    %ebx,%r8d
  je     L3
  add    %r9,%rbp
  jmp    L325
  cs nopw 0x0(%rax,%rax,1)
L363:
  test   %r11d,%r11d
  jne    L197
  test   %r10d,%r10d
  je     L139
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%rbx
  movslq %edi,%r10
  nopl   (%rax)
L80:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L187
  cs nopw 0x0(%rax,%rax,1)
L118:
  movzbl (%rax,%rcx,1),%r9d
  movzbl (%rdx,%rcx,1),%esi
  lea    0x1(%r9,%rsi,1),%esi
  shr    %esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%r10
  jne    L118
L187:
  add    $0x1,%r11d
  add    %rbx,%rdx
  add    %rbx,%rax
  cmp    %r11d,%r8d
  jne    L80
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L197:
  test   %r10d,%r10d
  je     L96
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  movslq %edi,%rbp
  lea    (%rdx,%r9,1),%r12
  mov    %r12,%r11
  nopw   0x0(%rax,%rax,1)
L87:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L26
  cs nopw 0x0(%rax,%rax,1)
L215:
  movzbl (%rdx,%rcx,1),%r10d
  movzbl (%r11,%rcx,1),%esi
  lea    0x1(%r10,%rsi,1),%esi
  movzbl (%rax,%rcx,1),%r10d
  shr    %esi
  lea    0x1(%rsi,%r10,1),%esi
  shr    %esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rbp
  jne    L215
L26:
  add    $0x1,%ebx
  mov    %r12,%rdx
  add    %r9,%rax
  add    %r9,%r11
  cmp    %ebx,%r8d
  je     L3
  add    %r9,%r12
  jmp    L87
L139:
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  movslq %edi,%r11
  nopl   0x0(%rax,%rax,1)
L432:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L256
  cs nopw 0x0(%rax,%rax,1)
L38:
  movzbl (%rdx,%rcx,1),%esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%r11
  jne    L38
L256:
  add    $0x1,%r10d
  add    %r9,%rdx
  add    %r9,%rax
  cmp    %r10d,%r8d
  jne    L432
L3:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L299:
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  movslq %edi,%rbx
  lea    (%rdx,%r9,1),%rbp
  mov    %rbp,%r11
  nopw   0x0(%rax,%rax,1)
L283:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L36
  xchg   %ax,%ax
L173:
  movzbl 0x1(%rdx,%rcx,1),%r12d
  movzbl (%rdx,%rcx,1),%esi
  add    %r12d,%esi
  movzbl (%r11,%rcx,1),%r12d
  add    %r12d,%esi
  movzbl 0x1(%r11,%rcx,1),%r12d
  lea    0x2(%rsi,%r12,1),%esi
  shr    $0x2,%esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rbx
  jne    L173
L36:
  add    $0x1,%r10d
  mov    %rbp,%rdx
  add    %r9,%rax
  add    %r9,%r11
  cmp    %r10d,%r8d
  je     L3
  add    %r9,%rbp
  jmp    L283
L96:
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  movslq %edi,%r12
  lea    (%rdx,%r9,1),%r13
  mov    %r13,%rbp
  nopl   0x0(%rax)
L424:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L147
  cs nopw 0x0(%rax,%rax,1)
L285:
  movzbl (%rdx,%rcx,1),%ebx
  movzbl 0x0(%rbp,%rcx,1),%r11d
  lea    0x1(%rbx,%r11,1),%esi
  shr    %esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%r12
  jne    L285
L147:
  add    $0x1,%r10d
  mov    %r13,%rdx
  add    %r9,%rax
  add    %r9,%rbp
  cmp    %r10d,%r8d
  je     L3
  add    %r9,%r13
  jmp    L424
L396:
  test   %r8d,%r8d
  jle    L3
  movslq %esi,%r9
  movslq %edi,%rbp
  nopl   0x0(%rax,%rax,1)
L384:
  xor    %ecx,%ecx
  test   %edi,%edi
  jle    L148
  cs nopw 0x0(%rax,%rax,1)
L335:
  movzbl 0x1(%rdx,%rcx,1),%r10d
  movzbl (%rdx,%rcx,1),%ebx
  lea    0x1(%rbx,%r10,1),%esi
  movzbl (%rax,%rcx,1),%r10d
  shr    %esi
  lea    0x1(%rsi,%r10,1),%esi
  shr    %esi
  mov    %sil,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rbp
  jne    L335
L148:
  add    $0x1,%r11d
  add    %r9,%rdx
  add    %r9,%rax
  cmp    %r11d,%r8d
  jne    L384
  jmp    L3
```

assistant: ```c
void pred_comp(unsigned char *src, unsigned char *dst, signed int lx, signed int w, signed int h, signed int x, signed int y, signed int dx, signed int dy, signed int addflag) {
  signed int xint;
  signed int xh;
  signed int yint;
  signed int yh;
  signed int i;
  signed int j;
  unsigned char *s;
  unsigned char *d;
  xint = dx >> 1;
  xh = dx & 1;
  yint = dy >> 1;
  yh = dy & 1;
  s = src + (signed long int)(lx * (y + yint)) + (signed long int)(x + xint);
  d = dst + (signed long int)(lx * y) + (signed long int)x;
  if (xh == 0) {
    if (yh != 0)
      goto __CPROVER_DUMP_L10;
    if (!(addflag == 0)) {
      j = 0;
      while (!(j >= h)) {
        i = 0;
        while (!(i >= w)) {
          d[(signed long int)i] = (unsigned char)((unsigned int)((signed int)d[(signed long int)i] + (signed int)s[(signed long int)i] + 1) >> 1);
          i = i + 1;
        }
        s = s + (signed long int)lx;
        d = d + (signed long int)lx;
        j = j + 1;
      }
    } else {
      j = 0;
      while (!(j >= h)) {
        i = 0;
        while (!(i >= w)) {
          d[(signed long int)i] = s[(signed long int)i];
          i = i + 1;
        }
        s = s + (signed long int)lx;
        d = d + (signed long int)lx;
        j = j + 1;
      }
    }
  } else {
  __CPROVER_DUMP_L10:;
    if (xh == 0) {
      if (yh == 0)
        goto __CPROVER_DUMP_L20;
      if (!(addflag == 0)) {
        j = 0;
        while (!(j >= h)) {
          i = 0;
          while (!(i >= w)) {
            d[(signed long int)i] = (unsigned char)((unsigned int)d[(signed long int)i] + ((unsigned int)((signed int)s[(signed long int)i] + (signed int)s[(signed long int)(i + lx)] + 1) >> 1) + (unsigned int)1 >> 1);
            i = i + 1;
          }
          s = s + (signed long int)lx;
          d = d + (signed long int)lx;
          j = j + 1;
        }
      } else {
        j = 0;
        while (!(j >= h)) {
          i = 0;
          while (!(i >= w)) {
            d[(signed long int)i] = (unsigned char)((unsigned int)((signed int)s[(signed long int)i] + (signed int)s[(signed long int)(i + lx)] + 1) >> 1);
            i = i + 1;
          }
          s = s + (signed long int)lx;
          d = d + (signed long int)lx;
          j = j + 1;
        }
      }
    } else {
    __CPROVER_DUMP_L20:;
      if (!(xh == 0)) {
        if (yh != 0)
          goto __CPROVER_DUMP_L30;
        if (!(addflag == 0)) {
          j = 0;
          while (!(j >= h)) {
            i = 0;
            while (!(i >= w)) {
              d[(signed long int)i] = (unsigned char)((unsigned int)d[(signed long int)i] + ((unsigned int)((signed int)s[(signed long int)i] + (signed int)s[(signed long int)(i + 1)] + 1) >> 1) + (unsigned int)1 >> 1);
              i = i + 1;
            }
            s = s + (signed long int)lx;
            d = d + (signed long int)lx;
            j = j + 1;
          }
        } else {
          j = 0;
          while (!(j >= h)) {
            i = 0;
            while (!(i >= w)) {
              d[(signed long int)i] = (unsigned char)((unsigned int)((signed int)s[(signed long int)i] + (signed int)s[(signed long int)(i + 1)] + 1) >> 1);
              i = i + 1;
            }
            s = s + (signed long int)lx;
            d = d + (signed long int)lx;
            j = j + 1;
          }
        }
      } else {
      __CPROVER_DUMP_L30:;
        if (!(addflag == 0)) {
          j = 0;
          while (!(j >= h)) {
            i = 0;
            while (!(i >= w)) {
              d[(signed long int)i] = (unsigned char)((unsigned int)d[(signed long int)i] + ((unsigned int)((signed int)s[(signed long int)i] + (signed int)s[(signed long int)(i + 1)] + (signed int)s[(signed long int)(i + lx)] + (signed int)s[(signed long int)(i + lx + 1)] + 2) >> 2) + (unsigned int)1 >> 1);
              i = i + 1;
            }
            s = s + (signed long int)lx;
            d = d + (signed long int)lx;
            j = j + 1;
          }
        } else {
          j = 0;
          while (!(j >= h)) {
            i = 0;
            while (!(i >= w)) {
              d[(signed long int)i] = (unsigned char)((unsigned int)((signed int)s[(signed long int)i] + (signed int)s[(signed long int)(i + 1)] + (signed int)s[(signed long int)(i + lx)] + (signed int)s[(signed long int)(i + lx + 1)] + 2) >> 2);
              i = i + 1;
            }
            s = s + (signed long int)lx;
            d = d + (signed long int)lx;
            j = j + 1;
          }
        }
      }
    }
  }
}
```