ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<rdfa_strtok_r>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  jne    L104
  jmp    L23
  nopl   0x0(%rax)
L10:
  mov    %rbp,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L6
  add    $0x1,%rbx
L104:
  movsbl (%rbx),%esi
  test   %sil,%sil
  jne    L10
L11:
  movq   $0x0,(%r12)
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L6:
  movsbl (%rbx),%esi
  test   %sil,%sil
  je     L11
  mov    %rbx,%r13
  jmp    L24
  nopl   (%rax)
L9:
  movsbl 0x1(%r13),%esi
  add    $0x1,%r13
  test   %sil,%sil
  je     L86
L24:
  mov    %rbp,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L9
  cmpb   $0x0,0x0(%r13)
  je     L86
  movb   $0x0,0x0(%r13)
  add    $0x1,%r13
  mov    %rbx,%rax
  mov    %r13,(%r12)
L98:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L86:
  movq   $0x0,(%r12)
  add    $0x8,%rsp
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L23:
  mov    (%rdx),%rbx
  xor    %eax,%eax
  test   %rbx,%rbx
  jne    L104
  jmp    L98
```

assistant: ```c
char *rdfa_strtok_r(char *str, const char *delim, char **saveptr) {
  char *p;
  if (str == NULL)
    str = *saveptr;
  if (str == NULL)
    return NULL;
  while (*str && strchr(delim, *str))
    str++;
  if (*str == '\0') {
    *saveptr = NULL;
    return NULL;
  }
  p = str;
  while (*p && !strchr(delim, *p))
    p++;
  if (*p == '\0')
    *saveptr = NULL;
  else {
    *p = '\0';
    p++;
    *saveptr = p;
  }
  return str;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<merge_sort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    -0x1c(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  jge    L7
  mov    -0x1c(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    -0x1c(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <merge_sort>
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x20(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <merge_sort>
  mov    -0x20(%rbp),%ecx
  mov    -0x4(%rbp),%edx
  mov    -0x1c(%rbp),%esi
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <merge@plt>
L7:
  nop
  leave
  ret
```

assistant: ```c
void merge_sort(int list[], int left, int right) {
  int mid;
  if (left < right) {
    mid = (left + right) / 2;
    merge_sort(list, left, mid);
    merge_sort(list, mid + 1, right);
    merge(list, left, mid, right);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<merge_sort>:
  endbr64
  cmp    %edx,%esi
  jl     L1
  ret
L1:
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %esi,%ebx
  mov    %edx,%ebp
  lea    (%rsi,%rdx,1),%eax
  mov    %eax,%r13d
  shr    $0x1f,%r13d
  add    %eax,%r13d
  sar    %r13d
  mov    %r13d,%edx
  call   <merge_sort>
  lea    0x1(%r13),%esi
  mov    %ebp,%edx
  mov    %r12,%rdi
  call   <merge_sort>
  mov    %ebp,%ecx
  mov    %r13d,%edx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <merge@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void merge_sort(int list[], int left, int right) {
  int mid;
  if (left < right) {
    mid = (left + right) / 2;
    merge_sort(list, left, mid);
    merge_sort(list, mid + 1, right);
    merge(list, left, mid, right);
  }
}
```