user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<chi>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L31
L9:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  addl   $0x1,-0x14(%rbp)
L31:
  mov    -0x34(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  lea    0x0(,%rax,4),%edx
  add    %edx,%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  cmp    %eax,-0x14(%rbp)
  jl     L9
  movl   $0x0,-0x10(%rbp)
  jmp    L63
L77:
  movl   $0x0,-0xc(%rbp)
  jmp    L67
L43:
  movl   $0x0,-0x8(%rbp)
  jmp    L4
L71:
  mov    -0xc(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %eax,%edx
  mov    -0x10(%rbp),%eax
  add    %edx,%eax
  imul   -0x34(%rbp),%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  mov    %eax,%esi
  movslq %esi,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %eax,%r11d
  mov    -0x4(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x4(%rbp),%eax
  and    $0x7,%eax
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%r8d
  mov    -0xc(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  lea    (%rax,%rdx,1),%edi
  mov    -0x10(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%r9d
  sar    $0x1f,%r9d
  mov    %edx,%ecx
  sub    %r9d,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,%ecx
  lea    (%rdi,%rcx,1),%eax
  imul   -0x34(%rbp),%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%edi
  mov    -0xc(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  lea    (%rax,%rdx,1),%r9d
  mov    -0x10(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%r10d
  sar    $0x1f,%r10d
  mov    %edx,%ecx
  sub    %r10d,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,%ecx
  lea    (%r9,%rcx,1),%eax
  imul   -0x34(%rbp),%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  and    $0x7,%eax
  mov    %eax,%ecx
  sar    %cl,%edi
  mov    %edi,%eax
  xor    $0x1,%eax
  xor    %eax,%r8d
  mov    -0xc(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  lea    (%rax,%rdx,1),%edi
  mov    -0x10(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%r9d
  sar    $0x1f,%r9d
  mov    %edx,%ecx
  sub    %r9d,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,%ecx
  lea    (%rdi,%rcx,1),%eax
  imul   -0x34(%rbp),%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%edi
  mov    -0xc(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  lea    (%rax,%rdx,1),%r9d
  mov    -0x10(%rbp),%eax
  add    $0x2,%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%r10d
  sar    $0x1f,%r10d
  mov    %edx,%ecx
  sub    %r10d,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,%ecx
  lea    (%r9,%rcx,1),%eax
  imul   -0x34(%rbp),%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  and    $0x7,%eax
  mov    %eax,%ecx
  sar    %cl,%edi
  mov    %edi,%eax
  and    %r8d,%eax
  and    $0x1,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  and    $0x7,%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %r11d,%ecx
  or     %eax,%ecx
  movslq %esi,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  addl   $0x1,-0x8(%rbp)
L4:
  mov    -0x8(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  jl     L71
  addl   $0x1,-0xc(%rbp)
L67:
  cmpl   $0x4,-0xc(%rbp)
  jle    L43
  addl   $0x1,-0x10(%rbp)
L63:
  cmpl   $0x4,-0x10(%rbp)
  jle    L77
  mov    -0x30(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
unsigned char *chi(unsigned char *m, unsigned char *mp, int w) {
  for (int i = 0; i < (w * 25 / 8); i++) {
    mp[i] = 0x00;
  }
  for (int x = 0; x < 5; x++) {
    for (int y = 0; y < 5; y++) {
      for (int z = 0; z < w; z++) {
        int ind = w * (5 * y + x) + z;
        mp[ind / 8] |= (((m[ind / 8] >> (ind % 8)) ^ ((m[(w * (5 * y + ((x + 1) % 5)) + z) / 8] >> ((w * (5 * y + ((x + 1) % 5)) + z) % 8)) ^ 1)) & (m[(w * (5 * y + ((x + 2) % 5)) + z) / 8] >> ((w * (5 * y + ((x + 2) % 5)) + z) % 8)) & 1) << (ind % 8);
      }
    }
  }
  return mp;
}
```