user: 请将以下的汇编代码转换成C语言代码:

```asm
<reduce_by_clause>:
  endbr64
  movslq %edx,%rdx
  mov    %rdi,%r9
  mov    %rsi,%rdi
  mov    %rdx,%rax
  lea    (%rsi,%rdx,8),%rsi
  lea    (%r9,%rdx,4),%rcx
  test   %edx,%edx
  je     L179
  mov    (%rsi),%rdx
  xor    %r8d,%r8d
  cmp    (%rdi),%rdx
  je     L45
L113:
  cmp    $0x1,%eax
  je     L504
L478:
  cmp    0x8(%rdi),%rdx
  je     L760
L149:
  cmp    $0x2,%eax
  je     L795
L504:
  cmp    0x10(%rdi),%rdx
  je     L513
L434:
  cmp    $0x3,%eax
  je     L295
L795:
  cmp    0x18(%rdi),%rdx
  je     L634
L70:
  cmp    $0x4,%eax
  je     L559
L295:
  cmp    0x20(%rdi),%rdx
  je     L731
L58:
  cmp    $0x5,%eax
  je     L473
L559:
  cmp    0x28(%rdi),%rdx
  je     L761
L525:
  cmp    $0x6,%eax
  je     L652
L473:
  cmp    0x30(%rdi),%rdx
  je     L237
L287:
  cmp    $0x7,%eax
  je     L158
L652:
  cmp    0x38(%rdi),%rdx
  je     L551
L158:
  mov    %r8d,%eax
  ret
L45:
  mov    (%r9),%r8d
  test   %r8d,%r8d
  je     L113
  mov    (%rcx),%esi
  mov    %esi,%r10d
  and    %r8d,%r10d
  cmp    %r10d,%esi
  je     L219
L320:
  xor    %r8d,%r8d
  jmp    L113
  nopl   0x0(%rax)
L551:
  mov    0x1c(%r9),%edx
  test   %edx,%edx
  je     L158
  mov    (%rcx),%ecx
  mov    %edx,%esi
  and    %ecx,%esi
  cmp    %esi,%ecx
  jne    L158
  xor    $0x7,%eax
  and    %ecx,%eax
  cmp    $0x2,%eax
  jg     L33
  test   %eax,%eax
  jg     L561
  jne    L158
  movl   $0x0,0x1c(%r9)
  mov    $0x1,%r8d
  jmp    L158
  nopw   0x0(%rax,%rax,1)
L237:
  mov    0x18(%r9),%esi
  test   %esi,%esi
  je     L287
  mov    (%rcx),%r10d
  mov    %esi,%r11d
  and    %r10d,%r11d
  cmp    %r11d,%r10d
  jne    L287
  mov    %eax,%r11d
  xor    $0x6,%r11d
  and    %r11d,%r10d
  cmp    $0x2,%r10d
  jg     L669
  test   %r10d,%r10d
  jg     L9
  jne    L287
  movl   $0x0,0x18(%r9)
  mov    $0x1,%r8d
  jmp    L287
  nopl   0x0(%rax,%rax,1)
L761:
  mov    0x14(%r9),%esi
  test   %esi,%esi
  je     L525
  mov    (%rcx),%r10d
  mov    %esi,%r11d
  and    %r10d,%r11d
  cmp    %r11d,%r10d
  jne    L525
  mov    %eax,%r11d
  xor    $0x5,%r11d
  and    %r11d,%r10d
  cmp    $0x2,%r10d
  jg     L232
  test   %r10d,%r10d
  jg     L286
  jne    L525
  movl   $0x0,0x14(%r9)
  mov    $0x1,%r8d
  jmp    L525
  nopl   0x0(%rax)
L731:
  mov    0x10(%r9),%esi
  test   %esi,%esi
  je     L58
  mov    (%rcx),%r10d
  mov    %esi,%r11d
  and    %r10d,%r11d
  cmp    %r11d,%r10d
  jne    L58
  mov    %eax,%r11d
  xor    $0x4,%r11d
  and    %r11d,%r10d
  cmp    $0x2,%r10d
  jg     L231
  test   %r10d,%r10d
  jg     L575
  jne    L58
  movl   $0x0,0x10(%r9)
  mov    $0x1,%r8d
  jmp    L58
  nopl   0x0(%rax)
L634:
  mov    0xc(%r9),%esi
  test   %esi,%esi
  je     L70
  mov    (%rcx),%r10d
  mov    %esi,%r11d
  and    %r10d,%r11d
  cmp    %r11d,%r10d
  jne    L70
  mov    %eax,%r11d
  xor    $0x3,%r11d
  and    %r11d,%r10d
  cmp    $0x2,%r10d
  jg     L461
  test   %r10d,%r10d
  jg     L481
  jne    L70
  movl   $0x0,0xc(%r9)
  mov    $0x1,%r8d
  jmp    L70
  nopl   0x0(%rax)
L513:
  mov    0x8(%r9),%esi
  test   %esi,%esi
  je     L434
  mov    (%rcx),%r10d
  mov    %esi,%r11d
  and    %r10d,%r11d
  cmp    %r11d,%r10d
  jne    L434
  mov    %eax,%r11d
  xor    $0x2,%r11d
  and    %r11d,%r10d
  cmp    $0x2,%r10d
  jg     L410
  test   %r10d,%r10d
  jg     L376
  jne    L434
  movl   $0x0,0x8(%r9)
  mov    $0x1,%r8d
  jmp    L434
  nopl   0x0(%rax)
L760:
  mov    0x4(%r9),%esi
  test   %esi,%esi
  je     L149
  mov    (%rcx),%r10d
  mov    %esi,%r11d
  and    %r10d,%r11d
  cmp    %r11d,%r10d
  jne    L149
  mov    %eax,%r11d
  xor    $0x1,%r11d
  and    %r11d,%r10d
  cmp    $0x2,%r10d
  jg     L796
  test   %r10d,%r10d
  jg     L468
  jne    L149
  movl   $0x0,0x4(%r9)
  mov    $0x1,%r8d
  jmp    L149
  nopl   0x0(%rax)
L179:
  mov    (%rsi),%rdx
  xor    %r8d,%r8d
  jmp    L478
L219:
  and    %eax,%esi
  cmp    $0x2,%esi
  jg     L147
  test   %esi,%esi
  jg     L136
  jne    L320
  movl   $0x0,(%r9)
  mov    $0x1,%r8d
  jmp    L113
L796:
  cmp    $0x4,%r10d
  jne    L149
L468:
  xor    %r10d,%esi
  mov    $0x1,%r8d
  mov    %esi,0x4(%r9)
  jmp    L149
L147:
  cmp    $0x4,%esi
  jne    L320
L136:
  xor    %r8d,%esi
  mov    $0x1,%r8d
  mov    %esi,(%r9)
  jmp    L113
L461:
  cmp    $0x4,%r10d
  jne    L70
L481:
  xor    %r10d,%esi
  mov    $0x1,%r8d
  mov    %esi,0xc(%r9)
  jmp    L70
L232:
  cmp    $0x4,%r10d
  jne    L525
L286:
  xor    %r10d,%esi
  mov    $0x1,%r8d
  mov    %esi,0x14(%r9)
  jmp    L525
L33:
  cmp    $0x4,%eax
  jne    L158
L561:
  xor    %eax,%edx
  mov    $0x1,%r8d
  mov    %edx,0x1c(%r9)
  jmp    L158
L669:
  cmp    $0x4,%r10d
  jne    L287
L9:
  xor    %r10d,%esi
  mov    $0x1,%r8d
  mov    %esi,0x18(%r9)
  jmp    L287
L231:
  cmp    $0x4,%r10d
  jne    L58
L575:
  xor    %r10d,%esi
  mov    $0x1,%r8d
  mov    %esi,0x10(%r9)
  jmp    L58
L410:
  cmp    $0x4,%r10d
  jne    L434
L376:
  xor    %r10d,%esi
  mov    $0x1,%r8d
  mov    %esi,0x8(%r9)
  jmp    L434
```

assistant: ```c
bool reduce_by_clause(uint32_t m[8], int32_t b[8], uint32_t i) {
  uint32_t j, delta;
  bool changed;
  changed = false;
  for (j = 0; j < 8; j++) {
    if (i != j && b[i] == b[j] && m[j] != 0 && (m[i] & m[j]) == m[i]) {
      delta = (i ^ j) & m[i];
      switch (delta) {
      case 0:
        changed = true;
        m[j] = 0;
        break;
      case 1:
      case 2:
      case 4:
        changed = true;
        m[j] ^= delta;
        break;
      default:
        break;
      }
    }
  }
  return changed;
}
```