ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here:

```asm
<ADCSequenceStepConfigure>:
  endbr64
  mov    %rcx,%rax
  add    $0x2,%rsi
  shl    $0x5,%rsi
  add    %rdi,%rsi
  mov    (%rsi),%r8
  lea    0x0(,%rdx,4),%rcx
  mov    $0xf,%edx
  shl    %cl,%edx
  not    %edx
  movslq %edx,%rdx
  mov    %rax,%rdi
  and    $0xf,%edi
  shl    %cl,%rdi
  and    %rdx,%r8
  or     %r8,%rdi
  mov    %rdi,(%rsi)
  mov    0x18(%rsi),%r8
  mov    %rax,%rdi
  shr    $0x8,%rdi
  and    $0xf,%edi
  shl    %cl,%rdi
  and    %rdx,%r8
  or     %r8,%rdi
  mov    %rdi,0x18(%rsi)
  mov    0x4(%rsi),%r8
  mov    %rax,%rdi
  shr    $0x4,%rdi
  and    $0xf,%edi
  shl    %cl,%rdi
  and    %rdx,%r8
  or     %r8,%rdi
  mov    %rdi,0x4(%rsi)
  test   $0xf0000,%eax
  je     L0
  mov    0x14(%rsi),%rdi
  and    %rdi,%rdx
  shr    $0x10,%rax
  and    $0x7,%eax
  shl    %cl,%rax
  or     %rdx,%rax
  mov    %rax,0x14(%rsi)
  mov    0x10(%rsi),%rdx
  mov    $0x1,%eax
  shl    %cl,%eax
  cltq
  or     %rdx,%rax
  mov    %rax,0x10(%rsi)
  ret
L0:
  mov    0x10(%rsi),%rdx
  mov    $0xfffffffe,%eax
  rol    %cl,%eax
  cltq
  and    %rdx,%rax
  mov    %rax,0x10(%rsi)
  ret
```

assistant: ```c
void ADCSequenceStepConfigure(unsigned long ulBase, unsigned long ulSequenceNum, unsigned long ulStep, unsigned long ulConfig) {
  unsigned long ulTemp;
  ;
  ;

  ;
  ulBase += (0x00000040) + ((0x00000060 - 0x00000040) * ulSequenceNum);
  ulStep *= 4;
  (*((volatile unsigned long *)(ulBase + (0x00000040 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000040 - 0x00000040)))) & ~(0x0000000f << ulStep)) | ((ulConfig & 0x0f) << ulStep));
  (*((volatile unsigned long *)(ulBase + (0x00000058 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000058 - 0x00000040)))) & ~(0x0000000f << ulStep)) | (((ulConfig & 0xf00) >> 8) << ulStep));
  (*((volatile unsigned long *)(ulBase + (0x00000044 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000044 - 0x00000040)))) & ~(0x0000000f << ulStep)) | (((ulConfig & 0xf0) >> 4) << ulStep));
  if (ulConfig & 0x000F0000) {
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000054 - 0x00000040))));
    ulTemp &= ~(0xF << ulStep);
    ulTemp |= (((ulConfig & 0x00070000) >> 16) << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000054 - 0x00000040)))) = ulTemp;
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040))));
    ulTemp |= (1 << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040)))) = ulTemp;
  } else {
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040))));
    ulTemp &= ~(1 << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040)))) = ulTemp;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<ADCSequenceStepConfigure>:
  endbr64
  add    $0x2,%rsi
  mov    %rcx,%rax
  lea    0x0(,%rdx,4),%rcx
  mov    $0xf,%edx
  shl    $0x5,%rsi
  shl    %cl,%edx
  add    %rdi,%rsi
  not    %edx
  mov    %rax,%rdi
  mov    (%rsi),%r8
  movslq %edx,%rdx
  and    $0xf,%edi
  shl    %cl,%rdi
  and    %rdx,%r8
  or     %r8,%rdi
  mov    %rdi,(%rsi)
  mov    %rax,%rdi
  mov    0x18(%rsi),%r8
  shr    $0x8,%rdi
  and    $0xf,%edi
  and    %rdx,%r8
  shl    %cl,%rdi
  or     %r8,%rdi
  mov    %rdi,0x18(%rsi)
  mov    %rax,%rdi
  mov    0x4(%rsi),%r8
  shr    $0x4,%rdi
  and    $0xf,%edi
  and    %rdx,%r8
  shl    %cl,%rdi
  or     %r8,%rdi
  mov    %rdi,0x4(%rsi)
  mov    $0x1,%edi
  shl    %cl,%edi
  test   $0xf0000,%eax
  je     L1
  mov    0x14(%rsi),%r8
  shr    $0x10,%rax
  movslq %edi,%rdi
  and    $0x7,%eax
  and    %r8,%rdx
  shl    %cl,%rax
  or     %rdx,%rax
  mov    %rax,0x14(%rsi)
  mov    0x10(%rsi),%rax
  or     %rax,%rdi
  mov    %rdi,0x10(%rsi)
  ret
  cs nopw 0x0(%rax,%rax,1)
L1:
  mov    0x10(%rsi),%rax
  not    %edi
  movslq %edi,%rdi
  and    %rax,%rdi
  mov    %rdi,0x10(%rsi)
  ret
```

assistant: ```c
void ADCSequenceStepConfigure(unsigned long ulBase, unsigned long ulSequenceNum, unsigned long ulStep, unsigned long ulConfig) {
  unsigned long ulTemp;
  ;
  ;

  ;
  ulBase += (0x00000040) + ((0x00000060 - 0x00000040) * ulSequenceNum);
  ulStep *= 4;
  (*((volatile unsigned long *)(ulBase + (0x00000040 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000040 - 0x00000040)))) & ~(0x0000000f << ulStep)) | ((ulConfig & 0x0f) << ulStep));
  (*((volatile unsigned long *)(ulBase + (0x00000058 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000058 - 0x00000040)))) & ~(0x0000000f << ulStep)) | (((ulConfig & 0xf00) >> 8) << ulStep));
  (*((volatile unsigned long *)(ulBase + (0x00000044 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000044 - 0x00000040)))) & ~(0x0000000f << ulStep)) | (((ulConfig & 0xf0) >> 4) << ulStep));
  if (ulConfig & 0x000F0000) {
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000054 - 0x00000040))));
    ulTemp &= ~(0xF << ulStep);
    ulTemp |= (((ulConfig & 0x00070000) >> 16) << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000054 - 0x00000040)))) = ulTemp;
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040))));
    ulTemp |= (1 << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040)))) = ulTemp;
  } else {
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040))));
    ulTemp &= ~(1 << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040)))) = ulTemp;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ADCSequenceStepConfigure>:
  endbr64
  add    $0x2,%rsi
  mov    %rcx,%rax
  lea    0x0(,%rdx,4),%rcx
  mov    $0xf,%edx
  shl    $0x5,%rsi
  shl    %cl,%edx
  add    %rdi,%rsi
  not    %edx
  mov    %rax,%rdi
  mov    (%rsi),%r8
  movslq %edx,%rdx
  and    $0xf,%edi
  shl    %cl,%rdi
  and    %rdx,%r8
  or     %r8,%rdi
  mov    %rdi,(%rsi)
  mov    %rax,%rdi
  mov    0x18(%rsi),%r8
  shr    $0x8,%rdi
  and    $0xf,%edi
  and    %rdx,%r8
  shl    %cl,%rdi
  or     %r8,%rdi
  mov    %rdi,0x18(%rsi)
  mov    %rax,%rdi
  mov    0x4(%rsi),%r8
  shr    $0x4,%rdi
  and    $0xf,%edi
  and    %rdx,%r8
  shl    %cl,%rdi
  or     %r8,%rdi
  mov    %rdi,0x4(%rsi)
  mov    $0x1,%edi
  shl    %cl,%edi
  test   $0xf0000,%eax
  je     L6
  mov    0x14(%rsi),%r8
  shr    $0x10,%rax
  movslq %edi,%rdi
  and    $0x7,%eax
  and    %r8,%rdx
  shl    %cl,%rax
  or     %rdx,%rax
  mov    %rax,0x14(%rsi)
  mov    0x10(%rsi),%rax
  or     %rax,%rdi
  mov    %rdi,0x10(%rsi)
  ret
  cs nopw 0x0(%rax,%rax,1)
L6:
  mov    0x10(%rsi),%rax
  not    %edi
  movslq %edi,%rdi
  and    %rax,%rdi
  mov    %rdi,0x10(%rsi)
  ret
```

assistant: ```c
void ADCSequenceStepConfigure(unsigned long ulBase, unsigned long ulSequenceNum, unsigned long ulStep, unsigned long ulConfig) {
  unsigned long ulTemp;
  ;
  ;

  ;
  ulBase += (0x00000040) + ((0x00000060 - 0x00000040) * ulSequenceNum);
  ulStep *= 4;
  (*((volatile unsigned long *)(ulBase + (0x00000040 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000040 - 0x00000040)))) & ~(0x0000000f << ulStep)) | ((ulConfig & 0x0f) << ulStep));
  (*((volatile unsigned long *)(ulBase + (0x00000058 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000058 - 0x00000040)))) & ~(0x0000000f << ulStep)) | (((ulConfig & 0xf00) >> 8) << ulStep));
  (*((volatile unsigned long *)(ulBase + (0x00000044 - 0x00000040)))) = (((*((volatile unsigned long *)(ulBase + (0x00000044 - 0x00000040)))) & ~(0x0000000f << ulStep)) | (((ulConfig & 0xf0) >> 4) << ulStep));
  if (ulConfig & 0x000F0000) {
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000054 - 0x00000040))));
    ulTemp &= ~(0xF << ulStep);
    ulTemp |= (((ulConfig & 0x00070000) >> 16) << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000054 - 0x00000040)))) = ulTemp;
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040))));
    ulTemp |= (1 << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040)))) = ulTemp;
  } else {
    ulTemp = (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040))));
    ulTemp &= ~(1 << ulStep);
    (*((volatile unsigned long *)(ulBase + (0x00000050 - 0x00000040)))) = ulTemp;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<_GLOBAL__I_a>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <__cxx_global_var_init@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void _GLOBAL__I_a(void) {
  __cxx_global_var_init();
  return;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<_GLOBAL__I_a>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <__cxx_global_var_init@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void _GLOBAL__I_a(void) {
  __cxx_global_var_init();
  return;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<_GLOBAL__I_a>:
  endbr64
  xor    %eax,%eax
  jmp    1050 <__cxx_global_var_init@plt>
```

assistant: ```c
void _GLOBAL__I_a(void) {
  __cxx_global_var_init();
  return;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<_GLOBAL__I_a>:
  endbr64
  xor    %eax,%eax
  jmp    1050 <__cxx_global_var_init@plt>
```

assistant: ```c
void _GLOBAL__I_a(void) {
  __cxx_global_var_init();
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<bsearch_2cmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x18(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x8(%rbp)
  jmp    L15
L14:
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x14(%rbp)
  jge    L40
  mov    -0x4(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x8(%rbp)
  jmp    L15
L40:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x14(%rbp)
  jle    L30
  mov    -0x4(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0xc(%rbp)
  jmp    L15
L30:
  mov    -0x4(%rbp),%eax
  jmp    L54
L15:
  mov    -0xc(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jle    L14
  mov    $0xffffffff,%eax
L54:
  pop    %rbp
  ret
```

assistant: ```c
int bsearch_2cmp(int x, int *array, int size) {
  int low = 0;
  int high = size - 1;
  while (low <= high) {
    int mid = (low + high) / 2;
    if (x < array[mid])
      high = mid - 1;
    else if (x > array[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<bsearch_2cmp>:
  endbr64
  sub    $0x1,%edx
  js     L62
  mov    $0x0,%r8d
  jmp    L66
L58:
  jge    L52
  lea    0x1(%rax),%r8d
L2:
  cmp    %edx,%r8d
  jg     L69
L66:
  lea    (%r8,%rdx,1),%ecx
  mov    %ecx,%eax
  shr    $0x1f,%eax
  add    %ecx,%eax
  sar    %eax
  mov    %eax,%r9d
  movslq %eax,%rcx
  mov    (%rsi,%rcx,4),%ecx
  cmp    %edi,%ecx
  jle    L58
  lea    -0x1(%rax),%edx
  jmp    L2
L69:
  mov    $0xffffffff,%r9d
L52:
  mov    %r9d,%eax
  ret
L62:
  mov    $0xffffffff,%r9d
  jmp    L52
```

assistant: ```c
int bsearch_2cmp(int x, int *array, int size) {
  int low = 0;
  int high = size - 1;
  while (low <= high) {
    int mid = (low + high) / 2;
    if (x < array[mid])
      high = mid - 1;
    else if (x > array[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: What is the c source code of the assembly code below?

```asm
<bsearch_2cmp>:
  endbr64
  sub    $0x1,%edx
  js     L52
  xor    %ecx,%ecx
  jmp    L47
  nopl   (%rax)
L59:
  lea    -0x1(%rax),%edx
  cmp    %ecx,%edx
  jl     L52
L47:
  lea    (%rdx,%rcx,1),%eax
  sar    %eax
  movslq %eax,%r8
  cmp    %edi,(%rsi,%r8,4)
  jg     L59
  jge    L0
  lea    0x1(%rax),%ecx
  cmp    %ecx,%edx
  jge    L47
L52:
  mov    $0xffffffff,%eax
L0:
  ret
```

assistant: ```c
int bsearch_2cmp(int x, int *array, int size) {
  int low = 0;
  int high = size - 1;
  while (low <= high) {
    int mid = (low + high) / 2;
    if (x < array[mid])
      high = mid - 1;
    else if (x > array[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bsearch_2cmp>:
  endbr64
  sub    $0x1,%edx
  js     L10
  xor    %ecx,%ecx
  jmp    L43
  nopl   (%rax)
L7:
  lea    -0x1(%rax),%edx
  cmp    %ecx,%edx
  jl     L10
L43:
  lea    (%rdx,%rcx,1),%eax
  sar    %eax
  movslq %eax,%r8
  cmp    %edi,(%rsi,%r8,4)
  jg     L7
  jge    L33
  lea    0x1(%rax),%ecx
  cmp    %ecx,%edx
  jge    L43
L10:
  mov    $0xffffffff,%eax
L33:
  ret
```

assistant: ```c
int bsearch_2cmp(int x, int *array, int size) {
  int low = 0;
  int high = size - 1;
  while (low <= high) {
    int mid = (low + high) / 2;
    if (x < array[mid])
      high = mid - 1;
    else if (x > array[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<uninitvar__builtin_memset>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    -0x8(%rbp),%rdx
  mov    -0x14(%rbp),%ecx
  mov    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__builtin_memset@plt>
  nop
  leave
  ret
```

assistant: ```c
void uninitvar__builtin_memset(void) {
  void *s;
  int c;
  size_t n;
  (void)__builtin_memset(s, c, n);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<uninitvar__builtin_memset>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <__builtin_memset@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void uninitvar__builtin_memset(void) {
  void *s;
  int c;
  size_t n;
  (void)__builtin_memset(s, c, n);
}
```
user: Translate the below assembly code into C programming language:

```asm
<uninitvar__builtin_memset>:
  endbr64
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  jmp    1050 <__builtin_memset@plt>
```

assistant: ```c
void uninitvar__builtin_memset(void) {
  void *s;
  int c;
  size_t n;
  (void)__builtin_memset(s, c, n);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<uninitvar__builtin_memset>:
  endbr64
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  jmp    1050 <__builtin_memset@plt>
```

assistant: ```c
void uninitvar__builtin_memset(void) {
  void *s;
  int c;
  size_t n;
  (void)__builtin_memset(s, c, n);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<hashlib_current_fd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  cmpl   $0xfffffffe,-0x4(%rbp)
  jne    L0
  movl   $0xffffffff,D6(%rip)
  mov    $0xfffffffe,%eax
  jmp    L25
L0:
  cmpl   $0xffffffff,-0x4(%rbp)
  jne    L11
  mov    D6(%rip),%eax
  cmp    $0xffffffff,%eax
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  jmp    L22
L11:
  mov    -0x4(%rbp),%eax
  mov    %eax,D19(%rip)
L22:
  mov    D19(%rip),%eax
L25:
  leave
  ret
```

assistant: ```c
int hashlib_current_fd(int fd) {
  static int cfd = (-1);
  if (fd == (-2)) {
    cfd = (-1);
    return (-2);
  }
  if (fd == (-1))
    assert(cfd != (-1));
  else
    cfd = fd;
  return cfd;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<hashlib_current_fd>:
  endbr64
  cmp    $0xfffffffe,%edi
  je     L11
  cmp    $0xffffffff,%edi
  je     L9
  mov    %edi,D41(%rip)
  mov    D41(%rip),%eax
  ret
L11:
  movl   $0xffffffff,D41(%rip)
  mov    %edi,%eax
  ret
L9:
  sub    $0x8,%rsp
  cmpl   $0xffffffff,D41(%rip)
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    D41(%rip),%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int hashlib_current_fd(int fd) {
  static int cfd = (-1);
  if (fd == (-2)) {
    cfd = (-1);
    return (-2);
  }
  if (fd == (-1))
    assert(cfd != (-1));
  else
    cfd = fd;
  return cfd;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<hashlib_current_fd>:
  endbr64
  cmp    $0xfffffffe,%edi
  je     L17
  cmp    $0xffffffff,%edi
  je     L13
  mov    %edi,D23(%rip)
  mov    %edi,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L13:
  sub    $0x8,%rsp
  xor    %edi,%edi
  cmpl   $0xffffffff,D23(%rip)
  setne  %dil
  call   <assert@plt>
  mov    D23(%rip),%eax
  add    $0x8,%rsp
  ret
L17:
  movl   $0xffffffff,D23(%rip)
  mov    $0xfffffffe,%eax
  ret
```

assistant: ```c
int hashlib_current_fd(int fd) {
  static int cfd = (-1);
  if (fd == (-2)) {
    cfd = (-1);
    return (-2);
  }
  if (fd == (-1))
    assert(cfd != (-1));
  else
    cfd = fd;
  return cfd;
}
```
user: What is the c source code of the assembly code below:

```asm
<hashlib_current_fd>:
  endbr64
  cmp    $0xfffffffe,%edi
  je     L17
  cmp    $0xffffffff,%edi
  je     L6
  mov    %edi,D15(%rip)
  mov    %edi,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L6:
  sub    $0x8,%rsp
  xor    %edi,%edi
  cmpl   $0xffffffff,D15(%rip)
  setne  %dil
  call   <assert@plt>
  mov    D15(%rip),%eax
  add    $0x8,%rsp
  ret
L17:
  movl   $0xffffffff,D15(%rip)
  mov    $0xfffffffe,%eax
  ret
```

assistant: ```c
int hashlib_current_fd(int fd) {
  static int cfd = (-1);
  if (fd == (-2)) {
    cfd = (-1);
    return (-2);
  }
  if (fd == (-1))
    assert(cfd != (-1));
  else
    cfd = fd;
  return cfd;
}
```
user: Translate the below assembly code into C programming language:

```asm
<utf8_validate_char>:
  endbr64
  movzbl (%rdi),%edx
  mov    $0x1,%eax
  test   %dl,%dl
  jns    L124
  mov    $0x0,%eax
  cmp    $0xc1,%dl
  jbe    L124
  lea    0x1(%rdi),%rcx
  cmp    $0xdf,%dl
  ja     L17
  sub    %rcx,%rsi
  test   %rsi,%rsi
  jle    L124
  movzbl 0x1(%rdi),%eax
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  sete   %al
  movzbl %al,%eax
  add    %eax,%eax
  ret
L17:
  cmp    $0xef,%dl
  ja     L91
  sub    %rcx,%rsi
  mov    $0x0,%eax
  cmp    $0x1,%rsi
  jle    L124
  cmp    $0xe0,%dl
  je     L175
  cmp    $0xed,%dl
  je     L24
L121:
  movzbl 0x1(%rdi),%edx
  and    $0xffffffc0,%edx
  mov    $0x0,%eax
  cmp    $0x80,%dl
  jne    L124
  movzbl 0x2(%rdi),%eax
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  sete   %al
  movzbl %al,%eax
  lea    (%rax,%rax,2),%eax
  ret
L175:
  cmpb   $0x9f,0x1(%rdi)
  ja     L121
  ret
L24:
  mov    $0x0,%eax
  cmpb   $0x9f,0x1(%rdi)
  jbe    L121
  jmp    L124
L91:
  mov    $0x0,%eax
  cmp    $0xf4,%dl
  ja     L124
  sub    %rcx,%rsi
  cmp    $0x2,%rsi
  jle    L124
  cmp    $0xf0,%dl
  je     L67
  cmp    $0xf4,%dl
  je     L74
L23:
  movzbl 0x1(%rdi),%edx
  and    $0xffffffc0,%edx
  mov    $0x0,%eax
  cmp    $0x80,%dl
  jne    L124
  movzbl 0x2(%rdi),%edx
  and    $0xffffffc0,%edx
  cmp    $0x80,%dl
  jne    L124
  movzbl 0x3(%rdi),%eax
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  sete   %al
  movzbl %al,%eax
  shl    $0x2,%eax
L124:
  ret
L67:
  cmpb   $0x8f,0x1(%rdi)
  ja     L23
  ret
L74:
  mov    $0x0,%eax
  cmpb   $0x8f,0x1(%rdi)
  jbe    L23
  jmp    L124
```

assistant: ```c
int utf8_validate_char(const char *s, const char *e) {
  unsigned char c = *s++;
  if (c <= 0x7F) {
    return 1;
  } else if (c <= 0xC1) {
    return 0;
  } else if (c <= 0xDF) {
    if (e - s < 1)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    return 2;
  } else if (c <= 0xEF) {
    if (e - s < 2)
      return 0;
    if (c == 0xE0 && (unsigned char)*s < 0xA0)
      return 0;
    if (c == 0xED && (unsigned char)*s > 0x9F)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    return 3;
  } else if (c <= 0xF4) {
    if (e - s < 3)
      return 0;
    if (c == 0xF0 && (unsigned char)*s < 0x90)
      return 0;
    if (c == 0xF4 && (unsigned char)*s > 0x8F)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    return 4;
  } else {
    return 0;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<utf8_validate_char>:
  endbr64
  movzbl (%rdi),%eax
  mov    $0x1,%r8d
  test   %al,%al
  jns    L72
  xor    %r8d,%r8d
  cmp    $0xc1,%al
  jbe    L72
  lea    0x1(%rdi),%rdx
  cmp    $0xdf,%al
  jbe    L216
  cmp    $0xef,%al
  ja     L184
  sub    %rdx,%rsi
  cmp    $0x1,%rsi
  jle    L72
  movzbl 0x1(%rdi),%edx
  cmp    $0xe0,%al
  je     L22
  cmp    $0xed,%al
  je     L0
L124:
  and    $0xffffffc0,%edx
  xor    %r8d,%r8d
  cmp    $0x80,%dl
  jne    L72
  movzbl 0x2(%rdi),%eax
  xor    %r8d,%r8d
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  sete   %r8b
  lea    (%r8,%r8,2),%r8d
L72:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
L216:
  sub    %rdx,%rsi
  test   %rsi,%rsi
  jle    L72
  movzbl 0x1(%rdi),%eax
  xor    %r8d,%r8d
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  sete   %r8b
  add    %r8d,%r8d
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L184:
  cmp    $0xf4,%al
  ja     L72
  sub    %rdx,%rsi
  cmp    $0x2,%rsi
  jle    L72
  movzbl 0x1(%rdi),%edx
  cmp    $0xf0,%al
  je     L237
  cmp    $0xf4,%al
  je     L164
L235:
  and    $0xffffffc0,%edx
  xor    %r8d,%r8d
  cmp    $0x80,%dl
  jne    L72
  movzbl 0x2(%rdi),%eax
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  jne    L72
  movzbl 0x3(%rdi),%eax
  xor    %r8d,%r8d
  and    $0xffffffc0,%eax
  cmp    $0x80,%al
  sete   %r8b
  shl    $0x2,%r8d
  jmp    L72
  nopl   (%rax)
L22:
  cmp    $0x9f,%dl
  ja     L124
  jmp    L72
  cs nopw 0x0(%rax,%rax,1)
L0:
  cmp    $0x9f,%dl
  jbe    L124
  jmp    L72
  xchg   %ax,%ax
L237:
  cmp    $0x8f,%dl
  ja     L235
  jmp    L72
  nopw   0x0(%rax,%rax,1)
L164:
  cmp    $0x8f,%dl
  jbe    L235
  jmp    L72
```

assistant: ```c
int utf8_validate_char(const char *s, const char *e) {
  unsigned char c = *s++;
  if (c <= 0x7F) {
    return 1;
  } else if (c <= 0xC1) {
    return 0;
  } else if (c <= 0xDF) {
    if (e - s < 1)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    return 2;
  } else if (c <= 0xEF) {
    if (e - s < 2)
      return 0;
    if (c == 0xE0 && (unsigned char)*s < 0xA0)
      return 0;
    if (c == 0xED && (unsigned char)*s > 0x9F)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    return 3;
  } else if (c <= 0xF4) {
    if (e - s < 3)
      return 0;
    if (c == 0xF0 && (unsigned char)*s < 0x90)
      return 0;
    if (c == 0xF4 && (unsigned char)*s > 0x8F)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    if (((unsigned char)*s++ & 0xC0) != 0x80)
      return 0;
    return 4;
  } else {
    return 0;
  }
}
```