user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  je     L191
  mov    %rsi,%r12
  movq   $0x0,0x10(%rsp)
  movq   $0x0,0x8(%rsp)
  lea    0x8(%rsp),%rdi
  mov    $0x300000,%edx
  mov    $0x10,%esi
  call   <posix_memalign@plt>
  test   %rax,%rax
  jne    L238
  lea    0x10(%rsp),%rdi
  mov    $0x300000,%edx
  mov    $0x10,%esi
  call   <posix_memalign@plt>
  test   %rax,%rax
  jne    L111
  mov    $0x64,%ebp
  cmp    $0x2,%ebx
  jg     L55
L61:
  mov    0x8(%r12),%rdi
  lea    D52(%rip),%rsi
  call   <strcasecmp@plt>
  test   %rax,%rax
  je     L81
  mov    0x8(%r12),%rdi
  lea    D18(%rip),%rsi
  call   <strcasecmp@plt>
  test   %rax,%rax
  jne    L20
  mov    0x8(%r12),%rsi
  mov    %ebp,%edx
  lea    D63(%rip),%rdi
  call   <printf@plt>
  test   %ebp,%ebp
  jle    L199
  mov    $0x0,%ebx
L179:
  mov    $0xc0000,%edx
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  call   <x86_convert@plt>
  add    $0x1,%ebx
  cmp    %ebp,%ebx
  jne    L179
  jmp    L199
L191:
  call   <help@plt>
  mov    %ebx,%eax
  jmp    L116
L238:
  lea    D81(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%eax
  jmp    L116
L111:
  lea    D10(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%eax
  jmp    L116
L55:
  mov    0x10(%r12),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  test   %eax,%eax
  jg     L61
  mov    $0x64,%ebp
  jmp    L61
L20:
  mov    0x8(%r12),%rdi
  lea    D91(%rip),%rsi
  call   <strcasecmp@plt>
  test   %rax,%rax
  jne    L185
  mov    0x8(%r12),%rsi
  mov    %ebp,%edx
  lea    D63(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%ebx
  jmp    L154
L50:
  mov    $0xc0000,%edx
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  call   <sse2_convert@plt>
  add    $0x1,%ebx
L154:
  cmp    %ebp,%ebx
  jl     L50
  jmp    L199
L185:
  mov    0x8(%r12),%rdi
  lea    D96(%rip),%rsi
  call   <strcasecmp@plt>
  test   %rax,%rax
  jne    L208
  mov    0x8(%r12),%rsi
  mov    %ebp,%edx
  lea    D63(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%ebx
  jmp    L95
L79:
  mov    $0xc0000,%edx
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  call   <sse4_convert@plt>
  add    $0x1,%ebx
L95:
  cmp    %ebp,%ebx
  jl     L79
  jmp    L199
L208:
  mov    $0x0,%eax
  call   <help@plt>
  jmp    L199
L81:
  mov    0x8(%r12),%rsi
  mov    %ebp,%edx
  lea    D63(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%ebx
L128:
  mov    $0xc0000,%edx
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  call   <convert@plt>
  add    $0x1,%ebx
  cmp    %ebp,%ebx
  jl     L128
L199:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  mov    0x10(%rsp),%rdi
  call   <free@plt>
  mov    $0x0,%eax
L116:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L246
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L246:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D52
datatype: string
name: retrieve_data
arguments: data_tag: D18
datatype: string
name: retrieve_data
arguments: data_tag: D63
datatype: string
name: retrieve_data
arguments: data_tag: D81
datatype: string
name: retrieve_data
arguments: data_tag: D10
datatype: string
name: retrieve_data
arguments: data_tag: D91
datatype: string
name: retrieve_data
arguments: data_tag: D96
datatype: string

tool: D52: naive

tool: D18: x86

tool: D63: function %s, repeat count %d


tool: D81: can't allocate mem(1)

tool: D10: can't allocate mem(2)

tool: D91: SSE2

tool: D96: SSE4

assistant: ```c
int main(int argc, char *argv[]) {
  int n;
  uint32_t *input;
  uint32_t *output;
  if (argc == 1) {
    help();
    return 1;
  }
  n = 1024 * 768;
  input = output = NULL;
  if (posix_memalign((void *)&input, 16, 4 * n)) {
    puts("can't allocate mem(1)");
    return 1;
  }
  if (posix_memalign((void *)&output, 16, 4 * n)) {
    puts("can't allocate mem(2)");
    return 1;
  }
  int i;
  int repeat_count = 0;
  if (argc > 2)
    repeat_count = atoi(argv[2]);
  if (repeat_count <= 0)
    repeat_count = 100;
  if (strcasecmp(argv[1], "naive") == 0) {
    printf("function %s, repeat count %d\n", argv[1], repeat_count);
    for (i = 0; i < repeat_count; i++)
      convert(input, output, n);
  } else if (strcasecmp(argv[1], "x86") == 0) {
    printf("function %s, repeat count %d\n", argv[1], repeat_count);
    for (i = 0; i < repeat_count; i++)
      x86_convert(input, output, n);
  } else if (strcasecmp(argv[1], "SSE2") == 0) {
    printf("function %s, repeat count %d\n", argv[1], repeat_count);
    for (i = 0; i < repeat_count; i++)
      sse2_convert(input, output, n);
  } else if (strcasecmp(argv[1], "SSE4") == 0) {
    printf("function %s, repeat count %d\n", argv[1], repeat_count);
    for (i = 0; i < repeat_count; i++)
      sse4_convert(input, output, n);
  } else
    help();
  free(input);
  free(output);
  return 0;
}
```