ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D44(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D4(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x64,%eax
  jg     L63
  test   %eax,%eax
  js     L49
  cmp    $0x59,%eax
  jg     L44
L50:
  cmpl   $0x3b,0x4(%rsp)
  jg     L26
  lea    D18(%rip),%rdi
  call   <printf@plt>
L59:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L63:
  lea    D50(%rip),%rdi
  call   <printf@plt>
  jmp    L50
L49:
  lea    D50(%rip),%rdi
  call   <printf@plt>
  jmp    L50
L44:
  lea    D36(%rip),%rdi
  call   <printf@plt>
  jmp    L50
L26:
  lea    D2(%rip),%rdi
  call   <printf@plt>
  jmp    L59
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D44
datatype: string
name: unpack_data
arguments: data_label: D4
datatype: string
name: unpack_data
arguments: data_label: D18
datatype: string
name: unpack_data
arguments: data_label: D50
datatype: string
name: unpack_data
arguments: data_label: D36
datatype: string
name: unpack_data
arguments: data_label: D2
datatype: string

tool: D44: Enter the student's grade: 

tool: D4: %d

tool: D18: You got a F


tool: D50: Invalid grade entered.  Expected 0 <= grade <= 100


tool: D36: Letter grade is: A


tool: D2: You got a B


assistant: ```c
int main() {
  int grade;
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 100) {
    printf("Invalid grade entered.  Expected 0 <= grade <= 100\n");
  } else if (grade < 0) {
    printf("Invalid grade entered.  Expected 0 <= grade <= 100\n");
  } else if (grade >= 90) {
    printf("Letter grade is: A\n");
  }
  if (grade <= 59) {
    printf("You got a F\n");
  } else if (80 <= grade <= 89) {
    printf("You got a B\n");
  } else if (70 <= grade <= 79) {
    printf("You got a C\n");
  } else if (60 <= grade <= 69) {
    printf("You got a D\n");
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D13(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D25(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x64,%eax
  ja     L31
  cmp    $0x59,%eax
  jg     L26
L5:
  cmpl   $0x3b,0x4(%rsp)
  jg     L11
  lea    D4(%rip),%rdi
  call   <printf@plt>
L64:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L50
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L31:
  lea    D9(%rip),%rdi
  call   <printf@plt>
  jmp    L5
L11:
  lea    D35(%rip),%rdi
  call   <printf@plt>
  jmp    L64
L26:
  lea    D47(%rip),%rdi
  call   <printf@plt>
  jmp    L5
L50:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D13
data_type: string
name: read_data
arguments: label: D25
data_type: string
name: read_data
arguments: label: D4
data_type: string
name: read_data
arguments: label: D9
data_type: string
name: read_data
arguments: label: D35
data_type: string
name: read_data
arguments: label: D47
data_type: string

tool: D13: Enter the student's grade: 

tool: D25: %d

tool: D4: You got a F


tool: D9: Invalid grade entered.  Expected 0 <= grade <= 100


tool: D35: You got a B


tool: D47: Letter grade is: A


assistant: ```c
int main() {
  int grade;
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 100) {
    printf("Invalid grade entered.  Expected 0 <= grade <= 100\n");
  } else if (grade < 0) {
    printf("Invalid grade entered.  Expected 0 <= grade <= 100\n");
  } else if (grade >= 90) {
    printf("Letter grade is: A\n");
  }
  if (grade <= 59) {
    printf("You got a F\n");
  } else if (80 <= grade <= 89) {
    printf("You got a B\n");
  } else if (70 <= grade <= 79) {
    printf("You got a C\n");
  } else if (60 <= grade <= 69) {
    printf("You got a D\n");
  }
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D42(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D28(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%eax
  cmp    $0x64,%eax
  ja     L66
  cmp    $0x59,%eax
  jg     L29
L37:
  cmpl   $0x3b,0x4(%rsp)
  jg     L19
  lea    D17(%rip),%rdi
  call   <printf@plt>
L51:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L26
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L66:
  lea    D25(%rip),%rdi
  call   <printf@plt>
  jmp    L37
L19:
  lea    D54(%rip),%rdi
  call   <printf@plt>
  jmp    L51
L29:
  lea    D23(%rip),%rdi
  call   <printf@plt>
  jmp    L37
L26:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D42
datatype: string
name: retrieve_data
arguments: tag: D28
datatype: string
name: retrieve_data
arguments: tag: D17
datatype: string
name: retrieve_data
arguments: tag: D25
datatype: string
name: retrieve_data
arguments: tag: D54
datatype: string
name: retrieve_data
arguments: tag: D23
datatype: string

tool: D42: Enter the student's grade: 

tool: D28: %d

tool: D17: You got a F


tool: D25: Invalid grade entered.  Expected 0 <= grade <= 100


tool: D54: You got a B


tool: D23: Letter grade is: A


assistant: ```c
int main() {
  int grade;
  printf("Enter the student's grade: ");
  scanf("%d", &grade);
  if (grade > 100) {
    printf("Invalid grade entered.  Expected 0 <= grade <= 100\n");
  } else if (grade < 0) {
    printf("Invalid grade entered.  Expected 0 <= grade <= 100\n");
  } else if (grade >= 90) {
    printf("Letter grade is: A\n");
  }
  if (grade <= 59) {
    printf("You got a F\n");
  } else if (80 <= grade <= 89) {
    printf("You got a B\n");
  } else if (70 <= grade <= 79) {
    printf("You got a C\n");
  } else if (60 <= grade <= 69) {
    printf("You got a D\n");
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<rangeBitwiseAnd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %edi,-0xc(%rbp)
  mov    %esi,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  xor    -0xc(%rbp),%eax
  mov    %eax,%ebx
  mov    %ebx,%eax
  sar    %eax
  or     %eax,%ebx
  mov    %ebx,%eax
  sar    $0x2,%eax
  or     %eax,%ebx
  mov    %ebx,%eax
  sar    $0x4,%eax
  or     %eax,%ebx
  mov    %ebx,%eax
  sar    $0x8,%eax
  or     %eax,%ebx
  mov    %ebx,%eax
  sar    $0x10,%eax
  or     %eax,%ebx
  mov    %ebx,%eax
  not    %eax
  and    -0xc(%rbp),%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int rangeBitwiseAnd(int m, int n) {
  register int s = n ^ m;
  s |= s >> 1;
  s |= s >> 2;
  s |= s >> 4;
  s |= s >> 8;
  s |= s >> 16;
  return m & ~s;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<rangeBitwiseAnd>:
  endbr64
  mov    %esi,%eax
  xor    %edi,%eax
  mov    %eax,%esi
  sar    %esi
  or     %eax,%esi
  mov    %esi,%eax
  sar    $0x2,%eax
  or     %esi,%eax
  mov    %eax,%esi
  sar    $0x4,%esi
  or     %eax,%esi
  mov    %esi,%edx
  sar    $0x8,%edx
  or     %esi,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  or     %edx,%eax
  not    %eax
  and    %edi,%eax
  ret
```

assistant: ```c
int rangeBitwiseAnd(int m, int n) {
  register int s = n ^ m;
  s |= s >> 1;
  s |= s >> 2;
  s |= s >> 4;
  s |= s >> 8;
  s |= s >> 16;
  return m & ~s;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<rangeBitwiseAnd>:
  endbr64
  mov    %esi,%eax
  xor    %edi,%eax
  mov    %eax,%esi
  sar    %esi
  or     %eax,%esi
  mov    %esi,%eax
  sar    $0x2,%eax
  or     %esi,%eax
  mov    %eax,%esi
  sar    $0x4,%esi
  or     %eax,%esi
  mov    %esi,%edx
  sar    $0x8,%edx
  or     %esi,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  or     %edx,%eax
  not    %eax
  and    %edi,%eax
  ret
```

assistant: ```c
int rangeBitwiseAnd(int m, int n) {
  register int s = n ^ m;
  s |= s >> 1;
  s |= s >> 2;
  s |= s >> 4;
  s |= s >> 8;
  s |= s >> 16;
  return m & ~s;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  movl   $0x1e,-0x8(%rbp)
  movl   $0x28,-0x4(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  jmp    L18
L9:
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  jmp    L13
L10:
  mov    -0xc(%rbp),%edx
  mov    -0x10(%rbp),%eax
  mov    %eax,%esi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  addl   $0x1,-0x10(%rbp)
L13:
  mov    -0x10(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L10
  addl   $0x3,-0xc(%rbp)
L18:
  mov    -0xc(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jl     L9
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D6
type_guessed: string

tool: D6: %d %d


assistant: ```c
int main(int argc) {
  int I, J;
  const int N = 30;
  const int M = 40;
  for (J = argc; J < N; J += 3) {
    for (I = J; I < M; I++) {
      printf("%d %d\n", I, J);
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebp
  lea    D0(%rip),%r12
  cmp    $0x1d,%edi
  jle    L4
L14:
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L47:
  mov    %ebp,%edx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <printf@plt>
  add    $0x1,%ebx
  cmp    $0x28,%ebx
  jne    L47
L40:
  add    $0x3,%ebp
  cmp    $0x1d,%ebp
  jg     L14
L4:
  mov    %ebp,%ebx
  cmp    $0x27,%ebp
  jle    L47
  jmp    L40
```

tool_calls: name: retrieve_data
arguments: data_label: D0
type_infered: string

tool: D0: %d %d


assistant: ```c
int main(int argc) {
  int I, J;
  const int N = 30;
  const int M = 40;
  for (J = argc; J < N; J += 3) {
    for (I = J; I < M; I++) {
      printf("%d %d\n", I, J);
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  cmp    $0x1d,%edi
  jg     L14
  push   %r12
  lea    D5(%rip),%r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  cs nopw 0x0(%rax,%rax,1)
L21:
  mov    %ebp,%ebx
  nopw   0x0(%rax,%rax,1)
L5:
  mov    %ebx,%esi
  mov    %ebp,%edx
  mov    %r12,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    $0x28,%ebx
  jne    L5
  add    $0x3,%ebp
  cmp    $0x1d,%ebp
  jle    L21
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L14:
  xor    %eax,%eax
  ret
```

tool_calls: name: parse_data
arguments: label: D5
type: string

tool: D5: %d %d


assistant: ```c
int main(int argc) {
  int I, J;
  const int N = 30;
  const int M = 40;
  for (J = argc; J < N; J += 3) {
    for (I = J; I < M; I++) {
      printf("%d %d\n", I, J);
    }
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<main>:
  endbr64
  cmp    $0x1d,%edi
  jg     L0
  push   %r12
  lea    D8(%rip),%r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  cs nopw 0x0(%rax,%rax,1)
L9:
  mov    %ebp,%ebx
  nopw   0x0(%rax,%rax,1)
L13:
  mov    %ebx,%esi
  mov    %ebp,%edx
  mov    %r12,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    $0x28,%ebx
  jne    L13
  add    $0x3,%ebp
  cmp    $0x1d,%ebp
  jle    L9
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
L0:
  xor    %eax,%eax
  ret
```

tool_calls: name: read_data
arguments: label: D8
type_infered: string

tool: D8: %d %d


assistant: ```c
int main(int argc) {
  int I, J;
  const int N = 30;
  const int M = 40;
  for (J = argc; J < N; J += 3) {
    for (I = J; I < M; I++) {
      printf("%d %d\n", I, J);
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <preliminary_checks@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <spawn_server@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  preliminary_checks(argc, argv);
  spawn_server(argv);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  call   <preliminary_checks@plt>
  mov    %rbx,%rdi
  call   <spawn_server@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  preliminary_checks(argc, argv);
  spawn_server(argv);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  call   <preliminary_checks@plt>
  mov    %rbp,%rdi
  call   <spawn_server@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  preliminary_checks(argc, argv);
  spawn_server(argv);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  call   <preliminary_checks@plt>
  mov    %rbp,%rdi
  call   <spawn_server@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  preliminary_checks(argc, argv);
  spawn_server(argv);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<velobeta>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  movsd  %xmm0,-0x28(%rbp)
  mov    %edi,-0x2c(%rbp)
  mov    %esi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  mov    %r9,-0x50(%rbp)
  mov    -0x40(%rbp),%rbx
  mov    -0x48(%rbp),%r12
  mov    -0x50(%rbp),%r14
  mov    $0x0,%r13d
  jmp    L3
L1:
  movsd  (%rbx),%xmm0
  movsd  D3(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%r12)
  mov    %r14,%rax
  lea    0x4(%rax),%r14
  movl   $0x0,(%rax)
  mov    -0x30(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%rbx
  mov    -0x34(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%r12
  add    $0x1,%r13d
L3:
  cmp    -0x2c(%rbp),%r13d
  jl     L1
  mov    $0x0,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %rbp
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D3
type_guessed: f64

tool: D3: 299792458

assistant: ```c
int velobeta(dummy, nvelo, svelo, sbeta, velo, beta, stat)
double dummy;
int nvelo, svelo, sbeta;
const double velo[];
double beta[];
int stat[];
{
  register int ivelo, *statp;
  register const double *velop;
  register double *betap;
  velop = velo;
  betap = beta;
  statp = stat;
  for (ivelo = 0; ivelo < nvelo; ivelo++) {
    *betap = (*velop) / 2.99792458e8;
    *(statp++) = 0;
    velop += svelo;
    betap += sbeta;
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<velobeta>:
  endbr64
  mov    %rcx,%rax
  test   %edi,%edi
  jle    L19
  movslq %esi,%rsi
  lea    0x0(,%rsi,8),%rcx
  movslq %edx,%rdx
  shl    $0x3,%rdx
  mov    %edi,%edi
  lea    (%r9,%rdi,4),%rsi
  movsd  D9(%rip),%xmm1
L16:
  movsd  (%rax),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%r8)
  add    $0x4,%r9
  movl   $0x0,-0x4(%r9)
  add    %rcx,%rax
  add    %rdx,%r8
  cmp    %rsi,%r9
  jne    L16
L19:
  mov    $0x0,%eax
  ret
```

tool_calls: name: disassemble_data
arguments: label: D9
type: f64

tool: D9: 299792458

assistant: ```c
int velobeta(dummy, nvelo, svelo, sbeta, velo, beta, stat)
double dummy;
int nvelo, svelo, sbeta;
const double velo[];
double beta[];
int stat[];
{
  register int ivelo, *statp;
  register const double *velop;
  register double *betap;
  velop = velo;
  betap = beta;
  statp = stat;
  for (ivelo = 0; ivelo < nvelo; ivelo++) {
    *betap = (*velop) / 2.99792458e8;
    *(statp++) = 0;
    velop += svelo;
    betap += sbeta;
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<velobeta>:
  endbr64
  mov    %rcx,%rax
  test   %edi,%edi
  jle    L4
  movslq %esi,%rsi
  movslq %edx,%rdx
  movslq %edi,%rdi
  movsd  D2(%rip),%xmm1
  lea    0x0(,%rsi,8),%rcx
  shl    $0x3,%rdx
  lea    (%r9,%rdi,4),%rsi
  nopl   0x0(%rax)
L7:
  movsd  (%rax),%xmm0
  add    $0x4,%r9
  add    %rcx,%rax
  divsd  %xmm1,%xmm0
  movsd  %xmm0,(%r8)
  add    %rdx,%r8
  movl   $0x0,-0x4(%r9)
  cmp    %rsi,%r9
  jne    L7
L4:
  xor    %eax,%eax
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D2
datatype: f64

tool: D2: 299792458

assistant: ```c
int velobeta(dummy, nvelo, svelo, sbeta, velo, beta, stat)
double dummy;
int nvelo, svelo, sbeta;
const double velo[];
double beta[];
int stat[];
{
  register int ivelo, *statp;
  register const double *velop;
  register double *betap;
  velop = velo;
  betap = beta;
  statp = stat;
  for (ivelo = 0; ivelo < nvelo; ivelo++) {
    *betap = (*velop) / 2.99792458e8;
    *(statp++) = 0;
    velop += svelo;
    betap += sbeta;
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<utf8_first_byte_length_hint>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movzbl -0x4(%rbp),%eax
  and    $0xfffffff0,%eax
  cmp    $0xf0,%eax
  je     L219
  cmp    $0xf0,%eax
  ja     L82
  cmp    $0xe0,%eax
  je     L71
  cmp    $0xe0,%eax
  ja     L82
  cmp    $0xd0,%eax
  je     L190
  cmp    $0xd0,%eax
  ja     L82
  cmp    $0xc0,%eax
  je     L173
  cmp    $0xc0,%eax
  ja     L82
  cmp    $0x30,%eax
  ja     L31
  jmp    L186
L165:
  sub    $0x40,%eax
  movabs $0x1000100010001,%rdx
  mov    %eax,%ecx
  shr    %cl,%rdx
  mov    %rdx,%rax
  and    $0x1,%eax
  test   %rax,%rax
  setne  %al
  test   %al,%al
  jne    L146
  jmp    L82
L186:
  movabs $0x1000100010001,%rdx
  mov    %eax,%ecx
  shr    %cl,%rdx
  mov    %rdx,%rax
  and    $0x1,%eax
  test   %rax,%rax
  setne  %al
  test   %al,%al
  jne    L146
  jmp    L82
L31:
  cmp    $0x70,%eax
  ja     L82
  cmp    $0x40,%eax
  jae    L165
  jmp    L82
L146:
  mov    $0x1,%eax
  jmp    L194
L173:
  cmpb   $0xc1,-0x4(%rbp)
  jbe    L103
  mov    $0x2,%eax
  jmp    L194
L103:
  mov    $0x0,%eax
  jmp    L194
L190:
  mov    $0x2,%eax
  jmp    L194
L71:
  mov    $0x3,%eax
  jmp    L194
L219:
  cmpb   $0xf4,-0x4(%rbp)
  ja     L26
  mov    $0x4,%eax
  jmp    L194
L26:
  mov    $0x0,%eax
  jmp    L194
L82:
  mov    $0x0,%eax
L194:
  pop    %rbp
  ret
```

assistant: ```c
unsigned utf8_first_byte_length_hint(unsigned char ch) {
  switch (ch & ~0x0fU) {
  case 0x00:
  case 0x10:
  case 0x20:
  case 0x30:
  case 0x40:
  case 0x50:
  case 0x60:
  case 0x70:
    return 1;
  case 0xc0:
    return ch >= 0xc2 ? 2 : 0;
  case 0xd0:
    return 2;
  case 0xe0:
    return 3;
  case 0xf0:
    return ch <= 0xf4 ? 4 : 0;
  default:
    return 0;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<utf8_first_byte_length_hint>:
  endbr64
  mov    %edi,%ecx
  and    $0xf0,%ecx
  cmp    $0xd0,%ecx
  je     L74
  ja     L34
  cmp    $0x70,%ecx
  ja     L40
  cmp    $0x3f,%ecx
  ja     L8
  cmp    $0x30,%ecx
  ja     L2
  movabs $0x1000100010001,%rax
  shr    %cl,%rax
  and    $0x1,%eax
  ret
L8:
  sub    $0x40,%ecx
  movabs $0x1000100010001,%rax
  shr    %cl,%rax
  and    $0x1,%eax
  ret
L40:
  cmp    $0xc0,%ecx
  jne    L1
  cmp    $0xc1,%dil
  seta   %al
  movzbl %al,%eax
  add    %eax,%eax
  ret
L1:
  mov    $0x0,%eax
  ret
L34:
  mov    $0x3,%eax
  cmp    $0xe0,%ecx
  je     L79
  cmp    $0xf0,%ecx
  jne    L73
  cmp    $0xf4,%dil
  setbe  %al
  movzbl %al,%eax
  shl    $0x2,%eax
  ret
L73:
  mov    $0x0,%eax
  ret
L74:
  mov    $0x2,%eax
  ret
L2:
  mov    $0x0,%eax
L79:
  ret
```

assistant: ```c
unsigned utf8_first_byte_length_hint(unsigned char ch) {
  switch (ch & ~0x0fU) {
  case 0x00:
  case 0x10:
  case 0x20:
  case 0x30:
  case 0x40:
  case 0x50:
  case 0x60:
  case 0x70:
    return 1;
  case 0xc0:
    return ch >= 0xc2 ? 2 : 0;
  case 0xd0:
    return 2;
  case 0xe0:
    return 3;
  case 0xf0:
    return ch <= 0xf4 ? 4 : 0;
  default:
    return 0;
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<utf8_first_byte_length_hint>:
  endbr64
  mov    %edi,%ecx
  and    $0xf0,%ecx
  cmp    $0xd0,%ecx
  je     L44
  ja     L30
  cmp    $0x70,%ecx
  ja     L70
  cmp    $0x3f,%ecx
  ja     L28
  cmp    $0x30,%ecx
  ja     L43
  movabs $0x1000100010001,%rax
  shr    %cl,%rax
  and    $0x1,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L30:
  mov    $0x3,%eax
  cmp    $0xe0,%ecx
  je     L65
  cmp    $0xf0,%ecx
  jne    L43
  xor    %eax,%eax
  cmp    $0xf4,%dil
  setbe  %al
  shl    $0x2,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L28:
  movabs $0x1000100010001,%rax
  sub    $0x40,%ecx
  shr    %cl,%rax
  and    $0x1,%eax
  ret
  nopl   0x0(%rax)
L70:
  cmp    $0xc0,%ecx
  jne    L43
  xor    %eax,%eax
  cmp    $0xc1,%dil
  seta   %al
  add    %eax,%eax
  ret
  nopl   0x0(%rax)
L43:
  xor    %eax,%eax
L65:
  ret
  nopl   0x0(%rax,%rax,1)
L44:
  mov    $0x2,%eax
  ret
```

assistant: ```c
unsigned utf8_first_byte_length_hint(unsigned char ch) {
  switch (ch & ~0x0fU) {
  case 0x00:
  case 0x10:
  case 0x20:
  case 0x30:
  case 0x40:
  case 0x50:
  case 0x60:
  case 0x70:
    return 1;
  case 0xc0:
    return ch >= 0xc2 ? 2 : 0;
  case 0xd0:
    return 2;
  case 0xe0:
    return 3;
  case 0xf0:
    return ch <= 0xf4 ? 4 : 0;
  default:
    return 0;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<utf8_first_byte_length_hint>:
  endbr64
  mov    %edi,%ecx
  and    $0xf0,%ecx
  cmp    $0xd0,%ecx
  je     L16
  ja     L2
  cmp    $0x70,%ecx
  ja     L37
  cmp    $0x3f,%ecx
  ja     L60
  cmp    $0x30,%ecx
  ja     L12
  movabs $0x1000100010001,%rax
  shr    %cl,%rax
  and    $0x1,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L2:
  mov    $0x3,%eax
  cmp    $0xe0,%ecx
  je     L43
  cmp    $0xf0,%ecx
  jne    L12
  xor    %eax,%eax
  cmp    $0xf4,%dil
  setbe  %al
  shl    $0x2,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L60:
  movabs $0x1000100010001,%rax
  sub    $0x40,%ecx
  shr    %cl,%rax
  and    $0x1,%eax
  ret
  nopl   0x0(%rax)
L37:
  cmp    $0xc0,%ecx
  jne    L12
  xor    %eax,%eax
  cmp    $0xc1,%dil
  seta   %al
  add    %eax,%eax
  ret
  nopl   0x0(%rax)
L12:
  xor    %eax,%eax
L43:
  ret
  nopl   0x0(%rax,%rax,1)
L16:
  mov    $0x2,%eax
  ret
```

assistant: ```c
unsigned utf8_first_byte_length_hint(unsigned char ch) {
  switch (ch & ~0x0fU) {
  case 0x00:
  case 0x10:
  case 0x20:
  case 0x30:
  case 0x40:
  case 0x50:
  case 0x60:
  case 0x70:
    return 1;
  case 0xc0:
    return ch >= 0xc2 ? 2 : 0;
  case 0xd0:
    return 2;
  case 0xe0:
    return 3;
  case 0xf0:
    return ch <= 0xf4 ? 4 : 0;
  default:
    return 0;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<latin1StrToUtf8Dup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %eax,%eax
  add    $0x1,%eax
  mov    %eax,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x1c(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  movl   $0x0,-0x1c(%rbp)
  jmp    L37
L27:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <latin1ToUtf8@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L1
L5:
  mov    -0x10(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x18(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  addl   $0x1,-0x1c(%rbp)
L1:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L5
  addq   $0x1,-0x28(%rbp)
L37:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L27
  mov    -0x1c(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  leave
  ret
```

assistant: ```c
unsigned char *latin1StrToUtf8Dup(unsigned char *latin1) {
  int len = strlen(latin1) * 2 + 1;
  unsigned char *ret = malloc(len);
  unsigned char *cp = ret;
  unsigned char *utf8;
  memset(ret, 0, len);
  len = 0;
  while (*latin1) {
    utf8 = latin1ToUtf8(*latin1);
    while (*utf8) {
      *(cp++) = *(utf8++);
      len++;
    }
    latin1++;
  }
  return realloc(ret, len + 1);
}
```