ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Translate the below assembly code into C programming language:

```asm
<isnormal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <double_to_bits@plt>
  mov    $0x34,%edx
  mov    %edx,%ecx
  sar    %cl,%eax
  cltq
  and    $0x7ff,%eax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L21
  cmpq   $0x7fe,-0x8(%rbp)
  ja     L21
  mov    $0x1,%eax
  jmp    L18
L21:
  mov    $0x0,%eax
L18:
  leave
  ret
```

assistant: ```c
int isnormal(double x) {
  unsigned long exponent = (double_to_bits(x) >> 52) & 0x7ff;
  return exponent > 0 && exponent < 2047;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<isnormal>:
  endbr64
  sub    $0x8,%rsp
  call   <double_to_bits@plt>
  mov    $0x34,%ecx
  sar    %cl,%eax
  and    $0x7ff,%eax
  sub    $0x1,%rax
  cmp    $0x7fd,%rax
  setbe  %al
  movzbl %al,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int isnormal(double x) {
  unsigned long exponent = (double_to_bits(x) >> 52) & 0x7ff;
  return exponent > 0 && exponent < 2047;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<isnormal>:
  endbr64
  sub    $0x8,%rsp
  call   <double_to_bits@plt>
  mov    $0x34,%ecx
  sar    %cl,%eax
  and    $0x7ff,%eax
  sub    $0x1,%rax
  cmp    $0x7fd,%rax
  setbe  %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
int isnormal(double x) {
  unsigned long exponent = (double_to_bits(x) >> 52) & 0x7ff;
  return exponent > 0 && exponent < 2047;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<isnormal>:
  endbr64
  sub    $0x8,%rsp
  call   <double_to_bits@plt>
  mov    $0x34,%ecx
  sar    %cl,%eax
  and    $0x7ff,%eax
  sub    $0x1,%rax
  cmp    $0x7fd,%rax
  setbe  %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
int isnormal(double x) {
  unsigned long exponent = (double_to_bits(x) >> 52) & 0x7ff;
  return exponent > 0 && exponent < 2047;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<is_printable>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x7f,-0x18(%rbp)
  jbe    L124
  mov    $0x0,%eax
  jmp    L32
L124:
  mov    -0x18(%rbp),%rax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x60,-0x4(%rbp)
  jle    L133
  cmpl   $0x7a,-0x4(%rbp)
  jg     L133
  mov    $0x1,%eax
  jmp    L32
L133:
  cmpl   $0x40,-0x4(%rbp)
  jle    L126
  cmpl   $0x5a,-0x4(%rbp)
  jg     L126
  mov    $0x1,%eax
  jmp    L32
L126:
  cmpl   $0x2f,-0x4(%rbp)
  jle    L30
  cmpl   $0x39,-0x4(%rbp)
  jg     L30
  mov    $0x1,%eax
  jmp    L32
L30:
  cmpl   $0x20,-0x4(%rbp)
  je     L85
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L11
L85:
  mov    $0x1,%eax
  jmp    L32
L11:
  mov    $0x0,%eax
L32:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D1
data_type: string

tool: D1: '()+,-./:=?

assistant: ```c
int is_printable(unsigned long value) {
  int ch;
  if (value > 0x7f)
    return 0;
  ch = (int)value;
  if ((ch >= 'a') && (ch <= 'z'))
    return 1;
  if ((ch >= 'A') && (ch <= 'Z'))
    return 1;
  if ((ch >= '0') && (ch <= '9'))
    return 1;
  if ((ch == ' ') || strchr("'()+,-./:=?", ch))
    return 1;
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<is_printable>:
  endbr64
  mov    $0x0,%eax
  cmp    $0x7f,%rdi
  ja     L33
  mov    %edi,%edx
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  mov    $0x1,%eax
  cmp    $0x19,%edx
  jbe    L33
  mov    %edi,%esi
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L30
  cmp    $0x20,%edi
  je     L30
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <strchr@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  add    $0x8,%rsp
  ret
L30:
  mov    $0x1,%eax
  ret
L33:
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D4
datatype: string

tool: D4: '()+,-./:=?

assistant: ```c
int is_printable(unsigned long value) {
  int ch;
  if (value > 0x7f)
    return 0;
  ch = (int)value;
  if ((ch >= 'a') && (ch <= 'z'))
    return 1;
  if ((ch >= 'A') && (ch <= 'Z'))
    return 1;
  if ((ch >= '0') && (ch <= '9'))
    return 1;
  if ((ch == ' ') || strchr("'()+,-./:=?", ch))
    return 1;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<is_printable>:
  endbr64
  xor    %eax,%eax
  cmp    $0x7f,%rdi
  ja     L14
  mov    %edi,%edx
  mov    %edi,%esi
  mov    $0x1,%eax
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  cmp    $0x19,%edx
  jbe    L14
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L6
  cmp    $0x20,%rdi
  je     L6
  sub    $0x8,%rsp
  lea    D0(%rip),%rdi
  call   <strchr@plt>
  test   %rax,%rax
  setne  %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
  nopl   0x0(%rax)
L14:
  ret
  nopl   0x0(%rax)
L6:
  mov    $0x1,%eax
  ret
```

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

tool: D0: '()+,-./:=?

assistant: ```c
int is_printable(unsigned long value) {
  int ch;
  if (value > 0x7f)
    return 0;
  ch = (int)value;
  if ((ch >= 'a') && (ch <= 'z'))
    return 1;
  if ((ch >= 'A') && (ch <= 'Z'))
    return 1;
  if ((ch >= '0') && (ch <= '9'))
    return 1;
  if ((ch == ' ') || strchr("'()+,-./:=?", ch))
    return 1;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<is_printable>:
  endbr64
  xor    %eax,%eax
  cmp    $0x7f,%rdi
  ja     L33
  mov    %edi,%edx
  mov    %edi,%esi
  mov    $0x1,%eax
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  cmp    $0x19,%edx
  jbe    L33
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L23
  cmp    $0x20,%rdi
  je     L23
  sub    $0x8,%rsp
  lea    D0(%rip),%rdi
  call   <strchr@plt>
  test   %rax,%rax
  setne  %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
  nopl   0x0(%rax)
L33:
  ret
  nopl   0x0(%rax)
L23:
  mov    $0x1,%eax
  ret
```

tool_calls: name: disassemble_data
arguments: label: D0
type_infered: string

tool: D0: '()+,-./:=?

assistant: ```c
int is_printable(unsigned long value) {
  int ch;
  if (value > 0x7f)
    return 0;
  ch = (int)value;
  if ((ch >= 'a') && (ch <= 'z'))
    return 1;
  if ((ch >= 'A') && (ch <= 'Z'))
    return 1;
  if ((ch >= '0') && (ch <= '9'))
    return 1;
  if ((ch == ' ') || strchr("'()+,-./:=?", ch))
    return 1;
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<inrange>:
  endbr64
  mov    $0x0,%eax
  cmpb   $0x0,(%rsi)
  je     L52
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbx
  lea    D1(%rip),%r13
  jmp    L61
L43:
  lea    0x1(%rbx),%rdx
  movzbl 0x1(%rbx),%eax
  lea    -0x30(%rax),%ecx
  mov    %rdx,%rbx
  mov    $0x40000000,%r14d
  cmp    $0x9,%cl
  ja     L44
  mov    $0x0,%r14d
L75:
  lea    (%r14,%r14,4),%ecx
  add    $0x1,%rdx
  movsbl %al,%eax
  lea    -0x30(%rax,%rcx,2),%r14d
  movzbl (%rdx),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  jbe    L75
  mov    %rdx,%rbx
  jmp    L44
L144:
  cmp    %ebp,%r12d
  jl     L130
  cmp    %r12d,%r14d
  jge    L79
L130:
  cmpb   $0x2c,(%rbx)
  sete   %al
  movzbl %al,%eax
  add    %rax,%rbx
  cmpb   $0x0,(%rbx)
  je     L87
L61:
  movzbl (%rbx),%eax
  lea    -0x30(%rax),%edx
  mov    $0x0,%ebp
  cmp    $0x9,%dl
  ja     L81
L9:
  lea    0x0(%rbp,%rbp,4),%edx
  add    $0x1,%rbx
  movsbl %al,%eax
  lea    -0x30(%rax,%rdx,2),%ebp
  movzbl (%rbx),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L9
L81:
  mov    %ebp,%r14d
  cmp    $0x2d,%al
  je     L43
L44:
  movzbl (%rbx),%eax
  cmp    $0x2c,%al
  je     L144
  test   %al,%al
  je     L144
  mov    %r13,%rdi
  call   <error_exit@plt>
  jmp    L144
L79:
  mov    $0x1,%eax
L36:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L87:
  mov    $0x0,%eax
  jmp    L36
L52:
  ret
```

tool_calls: name: read_data
arguments: data_tag: D1
type_guessed: string

tool: D1: Parse error in inrange

assistant: ```c
int inrange(int x, char *range) {
  char *cptr;
  int test1, test2;
  cptr = range;
  if (!*cptr)
    return (0);
  while (*cptr) {
    test1 = 0;
    while ((*cptr >= '0') && (*cptr <= '9'))
      test1 = 10 * test1 + (*(cptr++) - '0');
    if (*cptr == '-') {
      cptr++;
      if ((*cptr >= '0') && (*cptr <= '9')) {
        test2 = 0;
        while ((*cptr >= '0') && (*cptr <= '9'))
          test2 = 10 * test2 + (*(cptr++) - '0');
      } else
        test2 = 1 << 30;
    } else
      test2 = test1;
    if ((*cptr != ',') && (*cptr != 0))
      error_exit("Parse error in inrange");
    if ((x >= test1) && (x <= test2))
      return (1);
    if (*cptr == ',')
      cptr++;
  }
  return (0);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<inrange>:
  endbr64
  movzbl (%rsi),%eax
  test   %al,%al
  je     L88
  push   %r14
  lea    D6(%rip),%r14
  push   %r13
  mov    %edi,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  nopl   0x0(%rax)
L19:
  lea    -0x30(%rax),%edx
  xor    %ebp,%ebp
  cmp    $0x9,%dl
  ja     L102
  nopw   0x0(%rax,%rax,1)
L22:
  sub    $0x30,%eax
  lea    0x0(%rbp,%rbp,4),%edx
  add    $0x1,%rbx
  movsbl %al,%eax
  lea    (%rax,%rdx,2),%ebp
  movzbl (%rbx),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L22
L102:
  cmp    $0x2d,%al
  je     L117
  movzbl (%rbx),%eax
  mov    %ebp,%r12d
L6:
  cmp    $0x2c,%al
  je     L89
  test   %al,%al
  je     L89
  mov    %r14,%rdi
  call   <error_exit@plt>
L89:
  cmp    %ebp,%r13d
  jl     L126
  cmp    %r13d,%r12d
  jge    L98
L126:
  movzbl (%rbx),%eax
  cmp    $0x2c,%al
  jne    L35
  movzbl 0x1(%rbx),%eax
  add    $0x1,%rbx
L35:
  test   %al,%al
  jne    L19
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  cs nopw 0x0(%rax,%rax,1)
L117:
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdx
  mov    $0x40000000,%r12d
  mov    %rdx,%rbx
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  ja     L6
  xor    %r12d,%r12d
  nopl   0x0(%rax)
L121:
  sub    $0x30,%eax
  lea    (%r12,%r12,4),%ecx
  add    $0x1,%rdx
  movsbl %al,%eax
  lea    (%rax,%rcx,2),%r12d
  movzbl (%rdx),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  jbe    L121
  mov    %rdx,%rbx
  jmp    L6
L98:
  pop    %rbx
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L88:
  xor    %eax,%eax
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D6
type: string

tool: D6: Parse error in inrange

assistant: ```c
int inrange(int x, char *range) {
  char *cptr;
  int test1, test2;
  cptr = range;
  if (!*cptr)
    return (0);
  while (*cptr) {
    test1 = 0;
    while ((*cptr >= '0') && (*cptr <= '9'))
      test1 = 10 * test1 + (*(cptr++) - '0');
    if (*cptr == '-') {
      cptr++;
      if ((*cptr >= '0') && (*cptr <= '9')) {
        test2 = 0;
        while ((*cptr >= '0') && (*cptr <= '9'))
          test2 = 10 * test2 + (*(cptr++) - '0');
      } else
        test2 = 1 << 30;
    } else
      test2 = test1;
    if ((*cptr != ',') && (*cptr != 0))
      error_exit("Parse error in inrange");
    if ((x >= test1) && (x <= test2))
      return (1);
    if (*cptr == ',')
      cptr++;
  }
  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
<inrange>:
  endbr64
  movzbl (%rsi),%eax
  test   %al,%al
  je     L56
  push   %r14
  lea    D3(%rip),%r14
  push   %r13
  mov    %edi,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  nopl   0x0(%rax)
L44:
  lea    -0x30(%rax),%edx
  xor    %ebp,%ebp
  cmp    $0x9,%dl
  ja     L33
  nopw   0x0(%rax,%rax,1)
L107:
  sub    $0x30,%eax
  lea    0x0(%rbp,%rbp,4),%edx
  add    $0x1,%rbx
  movsbl %al,%eax
  lea    (%rax,%rdx,2),%ebp
  movzbl (%rbx),%eax
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L107
L33:
  mov    %ebp,%r12d
  cmp    $0x2d,%al
  je     L23
L93:
  cmp    $0x2c,%al
  je     L6
  test   %al,%al
  je     L6
  mov    %r14,%rdi
  call   <error_exit@plt>
L6:
  cmp    %ebp,%r13d
  jl     L2
  cmp    %r13d,%r12d
  jge    L52
L2:
  movzbl (%rbx),%eax
  cmp    $0x2c,%al
  je     L122
  test   %al,%al
  jne    L44
L17:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L23:
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdx
  mov    $0x40000000,%r12d
  mov    %rdx,%rbx
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  ja     L93
  xor    %r12d,%r12d
  nopl   0x0(%rax)
L149:
  sub    $0x30,%eax
  lea    (%r12,%r12,4),%ecx
  add    $0x1,%rdx
  movsbl %al,%eax
  lea    (%rax,%rcx,2),%r12d
  movzbl (%rdx),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  jbe    L149
  mov    %rdx,%rbx
  jmp    L93
  nopw   0x0(%rax,%rax,1)
L122:
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdx
  test   %al,%al
  je     L17
  mov    %rdx,%rbx
  jmp    L44
L52:
  pop    %rbx
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L56:
  xor    %eax,%eax
  ret
```

tool_calls: name: read_data
arguments: tag: D3
type_infered: string

tool: D3: Parse error in inrange

assistant: ```c
int inrange(int x, char *range) {
  char *cptr;
  int test1, test2;
  cptr = range;
  if (!*cptr)
    return (0);
  while (*cptr) {
    test1 = 0;
    while ((*cptr >= '0') && (*cptr <= '9'))
      test1 = 10 * test1 + (*(cptr++) - '0');
    if (*cptr == '-') {
      cptr++;
      if ((*cptr >= '0') && (*cptr <= '9')) {
        test2 = 0;
        while ((*cptr >= '0') && (*cptr <= '9'))
          test2 = 10 * test2 + (*(cptr++) - '0');
      } else
        test2 = 1 << 30;
    } else
      test2 = test1;
    if ((*cptr != ',') && (*cptr != 0))
      error_exit("Parse error in inrange");
    if ((x >= test1) && (x <= test2))
      return (1);
    if (*cptr == ',')
      cptr++;
  }
  return (0);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ut_file_close>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L12
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L12
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0x8(%rbp),%rax
  movq   $0x0,(%rax)
  jmp    L1
L12:
  nop
L1:
  leave
  ret
```

assistant: ```c
void ut_file_close(FILE **file) {
  if (file == NULL || *file == NULL)
    return;
  fclose(*file);
  *file = NULL;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<ut_file_close>:
  endbr64
  test   %rdi,%rdi
  je     L13
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L19
  call   <fclose@plt>
  movq   $0x0,(%rbx)
L19:
  pop    %rbx
  ret
L13:
  ret
```

assistant: ```c
void ut_file_close(FILE **file) {
  if (file == NULL || *file == NULL)
    return;
  fclose(*file);
  *file = NULL;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<ut_file_close>:
  endbr64
  test   %rdi,%rdi
  je     L0
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L9
  call   <fclose@plt>
  movq   $0x0,(%rbx)
L9:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L0:
  ret
```

assistant: ```c
void ut_file_close(FILE **file) {
  if (file == NULL || *file == NULL)
    return;
  fclose(*file);
  *file = NULL;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ut_file_close>:
  endbr64
  test   %rdi,%rdi
  je     L10
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L1
  call   <fclose@plt>
  movq   $0x0,(%rbx)
L1:
  pop    %rbx
  ret
  nopl   0x0(%rax,%rax,1)
L10:
  ret
```

assistant: ```c
void ut_file_close(FILE **file) {
  if (file == NULL || *file == NULL)
    return;
  fclose(*file);
  *file = NULL;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<satsub64be>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%r9
  movzbl 0x7(%rdi),%edi
  movzbl 0x7(%rsi),%eax
  sub    %eax,%edi
  mov    %edi,%eax
  sar    $0x8,%eax
  mov    %edi,%ecx
  and    $0x80,%ecx
  je     L15
  mov    $0x6,%edx
  mov    $0x0,%ecx
L24:
  movzbl (%r8,%rdx,1),%esi
  movzbl (%r9,%rdx,1),%r10d
  sub    %r10d,%esi
  add    %esi,%eax
  mov    %eax,%esi
  not    %esi
  or     %esi,%ecx
  sar    $0x8,%eax
  sub    $0x1,%rdx
  cmp    $0xffffffffffffffff,%rdx
  jne    L24
L0:
  shl    $0x8,%eax
  mov    %eax,%edx
  or     $0x80,%dl
  movzbl %dil,%edi
  add    %edi,%eax
  test   %cl,%cl
  cmovne %edx,%eax
  ret
L15:
  mov    $0x6,%edx
L30:
  movzbl (%r8,%rdx,1),%esi
  movzbl (%r9,%rdx,1),%r10d
  sub    %r10d,%esi
  add    %esi,%eax
  or     %eax,%ecx
  sar    $0x8,%eax
  sub    $0x1,%rdx
  cmp    $0xffffffffffffffff,%rdx
  jne    L30
  jmp    L0
```

assistant: ```c
int satsub64be(const unsigned char *v1, const unsigned char *v2) {
  int ret, sat, brw, i;
  if (sizeof(long) == 8)
    do {
      const union {
        long one;
        char little;
      } is_endian = {1};
      long l;
      if (is_endian.little)
        break;
      if (((size_t)v1 | (size_t)v2) & 0x7)
        break;
      l = *((long *)v1);
      l -= *((long *)v2);
      if (l > 128)
        return 128;
      else if (l < -128)
        return -128;
      else
        return (int)l;
    } while (0);
  ret = (int)v1[7] - (int)v2[7];
  sat = 0;
  brw = ret >> 8;
  if (ret & 0x80) {
    for (i = 6; i >= 0; i--) {
      brw += (int)v1[i] - (int)v2[i];
      sat |= ~brw;
      brw >>= 8;
    }
  } else {
    for (i = 6; i >= 0; i--) {
      brw += (int)v1[i] - (int)v2[i];
      sat |= brw;
      brw >>= 8;
    }
  }
  brw <<= 8;
  if (sat & 0xff)
    return brw | 0x80;
  else
    return brw + (ret & 0xFF);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<satsub64be>:
  endbr64
  movzbl 0x7(%rsi),%eax
  mov    %rdi,%r8
  movzbl 0x7(%rdi),%edi
  mov    %rsi,%r9
  mov    $0x6,%edx
  sub    %eax,%edi
  mov    %edi,%eax
  mov    %edi,%ecx
  sar    $0x8,%eax
  and    $0x80,%ecx
  je     L1
  xor    %ecx,%ecx
  nopw   0x0(%rax,%rax,1)
L3:
  movzbl (%r8,%rdx,1),%esi
  movzbl (%r9,%rdx,1),%r10d
  sub    %r10d,%esi
  add    %esi,%eax
  mov    %eax,%esi
  sar    $0x8,%eax
  not    %esi
  or     %esi,%ecx
  sub    $0x1,%rdx
  jae    L3
L16:
  shl    $0x8,%eax
  movzbl %dil,%edi
  mov    %eax,%edx
  add    %edi,%eax
  or     $0x80,%dl
  test   %cl,%cl
  cmovne %edx,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L1:
  movzbl (%r8,%rdx,1),%esi
  movzbl (%r9,%rdx,1),%r10d
  sub    %r10d,%esi
  add    %esi,%eax
  or     %eax,%ecx
  sar    $0x8,%eax
  sub    $0x1,%rdx
  jae    L1
  jmp    L16
```

assistant: ```c
int satsub64be(const unsigned char *v1, const unsigned char *v2) {
  int ret, sat, brw, i;
  if (sizeof(long) == 8)
    do {
      const union {
        long one;
        char little;
      } is_endian = {1};
      long l;
      if (is_endian.little)
        break;
      if (((size_t)v1 | (size_t)v2) & 0x7)
        break;
      l = *((long *)v1);
      l -= *((long *)v2);
      if (l > 128)
        return 128;
      else if (l < -128)
        return -128;
      else
        return (int)l;
    } while (0);
  ret = (int)v1[7] - (int)v2[7];
  sat = 0;
  brw = ret >> 8;
  if (ret & 0x80) {
    for (i = 6; i >= 0; i--) {
      brw += (int)v1[i] - (int)v2[i];
      sat |= ~brw;
      brw >>= 8;
    }
  } else {
    for (i = 6; i >= 0; i--) {
      brw += (int)v1[i] - (int)v2[i];
      sat |= brw;
      brw >>= 8;
    }
  }
  brw <<= 8;
  if (sat & 0xff)
    return brw | 0x80;
  else
    return brw + (ret & 0xFF);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<BeginClass>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x8(%rbp)
L102:
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  jmp    L8
L5:
  addq   $0x1,-0x18(%rbp)
L8:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L5
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L5
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  je     L5
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L52
L35:
  addq   $0x1,-0x8(%rbp)
L52:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  je     L77
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L116
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L77
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jg     L77
L116:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L35
L77:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  je     L102
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L45
  mov    -0x8(%rbp),%rax
  movb   $0x2e,(%rax)
L45:
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *BeginClass(S)
char *S;
{
  char *F;
  F = S - 1;
  do {
    S = F + 1;
    while (*S == ' ' || *S == '\t' || *S == '\n')
      S++;
    F = S;
    while (*F != ',' && (*F != '.' || (*(F + 1) >= '0' && *(F + 1) <= '9')) && *F != '\n')
      F++;
  } while (*F == ',');
  if (*F != '.')
    *F = '.';
  *(F + 1) = '\0';
  return S;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<BeginClass>:
  endbr64
  lea    -0x1(%rdi),%rcx
L85:
  lea    0x1(%rcx),%rax
  movzbl 0x1(%rcx),%edx
  lea    -0x9(%rdx),%ecx
  cmp    $0x1,%cl
  jbe    L91
  cmp    $0x20,%dl
  jne    L18
L91:
  add    $0x1,%rax
  movzbl (%rax),%edx
  lea    -0x9(%rdx),%ecx
  cmp    $0x1,%cl
  jbe    L91
  cmp    $0x20,%dl
  je     L91
L18:
  movzbl (%rax),%edx
  mov    %rax,%rcx
  cmp    $0x2c,%dl
  jne    L24
  jmp    L85
L30:
  movzbl 0x1(%rcx),%esi
  lea    -0x30(%rsi),%edx
  cmp    $0x9,%dl
  ja     L67
L13:
  add    $0x1,%rcx
  movzbl (%rcx),%edx
  cmp    $0x2c,%dl
  je     L85
L24:
  cmp    $0x2e,%dl
  je     L30
  cmp    $0xa,%dl
  jne    L13
  movb   $0x2e,(%rcx)
L67:
  movb   $0x0,0x1(%rcx)
  ret
```

assistant: ```c
char *BeginClass(S)
char *S;
{
  char *F;
  F = S - 1;
  do {
    S = F + 1;
    while (*S == ' ' || *S == '\t' || *S == '\n')
      S++;
    F = S;
    while (*F != ',' && (*F != '.' || (*(F + 1) >= '0' && *(F + 1) <= '9')) && *F != '\n')
      F++;
  } while (*F == ',');
  if (*F != '.')
    *F = '.';
  *(F + 1) = '\0';
  return S;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<BeginClass>:
  endbr64
  lea    -0x1(%rdi),%rdx
L66:
  movzbl 0x1(%rdx),%eax
  lea    0x1(%rdx),%r8
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  ja     L42
  nopl   0x0(%rax,%rax,1)
L77:
  movzbl 0x1(%r8),%eax
  add    $0x1,%r8
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L77
L42:
  cmp    $0x20,%al
  je     L77
  mov    %r8,%rdx
  cmp    $0x2c,%al
  je     L66
L88:
  cmp    $0x2e,%al
  je     L60
L24:
  cmp    $0xa,%al
  je     L37
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  cmp    $0x2c,%al
  je     L66
  cmp    $0x2e,%al
  jne    L24
L60:
  movzbl 0x1(%rdx),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  ja     L78
  add    $0x1,%rdx
  jmp    L88
  cs nopw 0x0(%rax,%rax,1)
L37:
  movb   $0x2e,(%rdx)
L78:
  movb   $0x0,0x1(%rdx)
  mov    %r8,%rax
  ret
```

assistant: ```c
char *BeginClass(S)
char *S;
{
  char *F;
  F = S - 1;
  do {
    S = F + 1;
    while (*S == ' ' || *S == '\t' || *S == '\n')
      S++;
    F = S;
    while (*F != ',' && (*F != '.' || (*(F + 1) >= '0' && *(F + 1) <= '9')) && *F != '\n')
      F++;
  } while (*F == ',');
  if (*F != '.')
    *F = '.';
  *(F + 1) = '\0';
  return S;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<BeginClass>:
  endbr64
  lea    -0x1(%rdi),%rdx
L79:
  movzbl 0x1(%rdx),%eax
  lea    0x1(%rdx),%r8
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  ja     L21
  nopl   0x0(%rax,%rax,1)
L30:
  movzbl 0x1(%r8),%eax
  add    $0x1,%r8
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L30
L21:
  cmp    $0x20,%al
  je     L30
  mov    %r8,%rdx
  cmp    $0x2c,%al
  je     L79
L50:
  cmp    $0x2e,%al
  je     L71
L63:
  cmp    $0xa,%al
  je     L5
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  cmp    $0x2c,%al
  je     L79
  cmp    $0x2e,%al
  jne    L63
L71:
  movzbl 0x1(%rdx),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  ja     L90
  add    $0x1,%rdx
  jmp    L50
  cs nopw 0x0(%rax,%rax,1)
L5:
  movb   $0x2e,(%rdx)
L90:
  movb   $0x0,0x1(%rdx)
  mov    %r8,%rax
  ret
```

assistant: ```c
char *BeginClass(S)
char *S;
{
  char *F;
  F = S - 1;
  do {
    S = F + 1;
    while (*S == ' ' || *S == '\t' || *S == '\n')
      S++;
    F = S;
    while (*F != ',' && (*F != '.' || (*(F + 1) >= '0' && *(F + 1) <= '9')) && *F != '\n')
      F++;
  } while (*F == ',');
  if (*F != '.')
    *F = '.';
  *(F + 1) = '\0';
  return S;
}
```