user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<round_f>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  add    $0x4,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x40(%rbp),%rax
  add    $0x4,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x48(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <READ_ROUND_KEY_DOUBLE_WORD@plt>
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <speckey@plt>
  mov    -0x48(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <READ_ROUND_KEY_DOUBLE_WORD@plt>
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <speckey@plt>
  mov    -0x48(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <READ_ROUND_KEY_DOUBLE_WORD@plt>
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <speckey@plt>
  mov    -0x48(%rbp),%rax
  add    $0xc,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <READ_ROUND_KEY_DOUBLE_WORD@plt>
  mov    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <speckey@plt>
  mov    -0x48(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <READ_ROUND_KEY_DOUBLE_WORD@plt>
  mov    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <speckey@plt>
  mov    -0x48(%rbp),%rax
  add    $0x14,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <READ_ROUND_KEY_DOUBLE_WORD@plt>
  mov    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <speckey@plt>
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x40(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%ecx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  shl    $0x8,%eax
  mov    %eax,%esi
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  sar    $0x18,%eax
  or     %esi,%eax
  xor    %eax,%ecx
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  sar    $0x8,%eax
  mov    %eax,%esi
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  shl    $0x18,%eax
  or     %esi,%eax
  xor    %ecx,%eax
  xor    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x40(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x40(%rbp),%rax
  mov    -0x24(%rbp),%edx
  mov    %edx,(%rax)
  nop
  leave
  ret
```

assistant: ```c
void round_f(uint32_t *left, uint32_t *right, uint32_t *roundKeys) {
  uint32_t temp;
  uint16_t *b0_l = (uint16_t *)left;
  uint16_t *b0_r = (uint16_t *)left + 1;
  uint16_t *b1_l = (uint16_t *)right;
  uint16_t *b1_r = (uint16_t *)right + 1;
  *left ^= READ_ROUND_KEY_DOUBLE_WORD(roundKeys[0]);
  speckey(b0_l, b0_r);
  *left ^= READ_ROUND_KEY_DOUBLE_WORD(roundKeys[1]);
  speckey(b0_l, b0_r);
  *left ^= READ_ROUND_KEY_DOUBLE_WORD(roundKeys[2]);
  speckey(b0_l, b0_r);
  *right ^= READ_ROUND_KEY_DOUBLE_WORD(roundKeys[3]);
  speckey(b1_l, b1_r);
  *right ^= READ_ROUND_KEY_DOUBLE_WORD(roundKeys[4]);
  speckey(b1_l, b1_r);
  *right ^= READ_ROUND_KEY_DOUBLE_WORD(roundKeys[5]);
  speckey(b1_l, b1_r);
  temp = *left;
  *right ^= *left ^ (((*left) << (8)) | ((*left) >> (32 - 8))) ^ (((*left) >> (8)) | ((*left) << (32 - 8)));
  *left = *right;
  *right = temp;
}
```