ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<arg_print_formatted>:
  endbr64
  push   %r15
  push   %r14
  mov    %esi,%r14d
  push   %r13
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rcx,%rdi
  sub    %r14d,%ebp
  sub    $0x28,%rsp
  mov    %esi,0xc(%rsp)
  call   <strlen@plt>
  movl   $0x0,0x8(%rsp)
  lea    0x1(%rax),%ecx
  mov    %eax,0x10(%rsp)
  mov    %ecx,0x18(%rsp)
  lea    0x1(%rbp),%ecx
  mov    %ecx,0x1c(%rsp)
  test   %eax,%eax
  je     L31
  xchg   %ax,%ax
L22:
  mov    0x8(%rsp),%r15d
  jmp    L35
  nopw   0x0(%rax,%rax,1)
L21:
  add    $0x1,%r15d
L35:
  mov    %r15d,%r14d
  lea    (%r12,%r14,1),%rbp
  movsbl 0x0(%rbp),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L21
  mov    0x18(%rsp),%edx
  mov    0x1c(%rsp),%ecx
  mov    %edx,%eax
  lea    (%r15,%rcx,1),%r13d
  sub    %r15d,%eax
  cmp    %ecx,%eax
  cmovbe %edx,%r13d
  lea    -0x1(%r13),%edx
  mov    %r13d,0x14(%rsp)
  mov    %r13d,%eax
  mov    %edx,0x8(%rsp)
  cmp    %edx,%r15d
  jae    L68
  sub    %r15d,%eax
  mov    %rbp,%r13
  lea    -0x2(%rax),%ebp
  lea    0x1(%r12,%r14,1),%rax
  add    %rax,%rbp
  nopw   0x0(%rax,%rax,1)
L69:
  movsbl 0x0(%r13),%edi
  mov    %rbx,%rsi
  add    $0x1,%r13
  call   <fputc@plt>
  cmp    %r13,%rbp
  jne    L69
L98:
  mov    %rbx,%rsi
  mov    $0xa,%edi
  call   <fputc@plt>
  mov    0x14(%rsp),%ecx
  cmp    %ecx,0x10(%rsp)
  jbe    L31
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  je     L61
  xor    %ebp,%ebp
  nopw   0x0(%rax,%rax,1)
L85:
  mov    %rbx,%rsi
  mov    $0x20,%edi
  add    $0x1,%ebp
  call   <fputc@plt>
  cmp    %ebp,0xc(%rsp)
  jne    L85
L61:
  mov    0x10(%rsp),%ecx
  cmp    %ecx,0x8(%rsp)
  jb     L22
L31:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L68:
  mov    %r15d,0x8(%rsp)
  jmp    L98
```

assistant: ```c
void arg_print_formatted(FILE *fp, const unsigned lmargin, const unsigned rmargin, const char *text) {
  const unsigned textlen = strlen(text);
  unsigned line_start = 0;
  unsigned line_end = textlen + 1;
  const unsigned colwidth = (rmargin - lmargin) + 1;
  if (line_end < line_start) {
    fprintf(fp, "%s\n", text);
  }
  while (line_end - 1 > line_start) {
    while (isspace(*(text + line_start))) {
      line_start++;
    }
    if ((line_end - line_start) > colwidth) {
      line_end = line_start + colwidth;
    }
    while ((line_end > line_start) && (line_end - line_start > colwidth) && !isspace(*(text + line_end))) {
      line_end--;
    }
    line_end--;
    while (line_start < line_end) {
      fputc(*(text + line_start), fp);
      line_start++;
    }
    fputc('\n', fp);
    if (line_end + 1 < textlen) {
      unsigned i;
      for (i = 0; i < lmargin; i++) {
        fputc(' ', fp);
      }
      line_end = textlen;
    }
    line_end++;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<updateGap>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  movslq %eax,%rdx
  imul   $0x4ec4ec4f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmovle %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
int updateGap(int gap) {
  gap = (gap * 10) / 13;
  return (gap < 1 ? 1 : gap);
}
```
user: Translate the below assembly code into C programming language:

```asm
<updateGap>:
  endbr64
  lea    (%rdi,%rdi,4),%edx
  add    %edx,%edx
  movslq %edx,%rax
  imul   $0x4ec4ec4f,%rax,%rax
  sar    $0x22,%rax
  sar    $0x1f,%edx
  sub    %edx,%eax
  test   %eax,%eax
  mov    $0x1,%edx
  cmovle %edx,%eax
  ret
```

assistant: ```c
int updateGap(int gap) {
  gap = (gap * 10) / 13;
  return (gap < 1 ? 1 : gap);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<updateGap>:
  endbr64
  lea    (%rdi,%rdi,4),%edx
  add    %edx,%edx
  movslq %edx,%rax
  sar    $0x1f,%edx
  imul   $0x4ec4ec4f,%rax,%rax
  sar    $0x22,%rax
  sub    %edx,%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmovle %edx,%eax
  ret
```

assistant: ```c
int updateGap(int gap) {
  gap = (gap * 10) / 13;
  return (gap < 1 ? 1 : gap);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<updateGap>:
  endbr64
  lea    (%rdi,%rdi,4),%edx
  add    %edx,%edx
  movslq %edx,%rax
  sar    $0x1f,%edx
  imul   $0x4ec4ec4f,%rax,%rax
  sar    $0x22,%rax
  sub    %edx,%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmovle %edx,%eax
  ret
```

assistant: ```c
int updateGap(int gap) {
  gap = (gap * 10) / 13;
  return (gap < 1 ? 1 : gap);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<bubble_sort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x1,-0x30(%rbp)
  jbe    L73
  cmpq   $0x0,-0x38(%rbp)
  je     L73
  mov    -0x30(%rbp),%rax
  sub    $0x1,%eax
  mov    %eax,-0x14(%rbp)
  jmp    L47
L26:
  movl   $0x1,-0x10(%rbp)
  jmp    L15
L35:
  mov    -0x10(%rbp),%eax
  cltq
  imul   -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x10(%rbp),%eax
  sub    $0x1,%eax
  cltq
  imul   -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x40(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rdx,%rdi
  call   *%rax
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jle    L6
  mov    -0x10(%rbp),%eax
  cltq
  imul   -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  lea    (%rdx,%rax,1),%rsi
  mov    -0x10(%rbp),%eax
  sub    $0x1,%eax
  cltq
  imul   -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdx
  mov    %rcx,%rdi
  call   <swap@plt>
L6:
  addl   $0x1,-0x10(%rbp)
L15:
  mov    -0x10(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jle    L35
  subl   $0x1,-0x14(%rbp)
L47:
  cmpl   $0x0,-0x14(%rbp)
  jns    L26
  jmp    L54
L73:
  nop
L54:
  leave
  ret
```

assistant: ```c
void bubble_sort(void *base, size_t num, size_t width, int (*compar)(void *, void *)) {
  int i, j, k;
  char *ptr = base;
  if (num < 2 || width == 0)
    return;
  for (i = num - 1; i >= 0; i--) {
    for (j = 1; j <= i; j++) {
      k = compar((void *)(ptr + width * (j - 1)), (void *)(ptr + width * j));
      if (k > 0)
        swap(ptr + width * (j - 1), ptr + width * j, width);
    }
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bubble_sort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,(%rsp)
  cmp    $0x1,%rsi
  jbe    L50
  mov    %rdx,%r13
  mov    %rcx,%r15
  test   %rdx,%rdx
  je     L50
  mov    %esi,%eax
  sub    $0x1,%eax
  mov    %eax,0x8(%rsp)
  js     L50
  lea    -0x2(%rsi),%eax
  mov    %eax,0xc(%rsp)
  jmp    L26
L15:
  add    $0x1,%ebp
  cmp    %r14d,%ebp
  jg     L19
L82:
  mov    %rbx,%r12
  add    %r13,%rbx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   *%r15
  test   %eax,%eax
  jle    L15
  mov    %r13,%rdx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <swap@plt>
  jmp    L15
L19:
  subl   $0x1,0x8(%rsp)
  subl   $0x1,0xc(%rsp)
L26:
  mov    0x8(%rsp),%eax
  mov    %eax,%r14d
  mov    (%rsp),%rbx
  mov    $0x1,%ebp
  test   %eax,%eax
  jg     L82
  cmpl   $0x0,0xc(%rsp)
  jns    L19
L50:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void bubble_sort(void *base, size_t num, size_t width, int (*compar)(void *, void *)) {
  int i, j, k;
  char *ptr = base;
  if (num < 2 || width == 0)
    return;
  for (i = num - 1; i >= 0; i--) {
    for (j = 1; j <= i; j++) {
      k = compar((void *)(ptr + width * (j - 1)), (void *)(ptr + width * j));
      if (k > 0)
        swap(ptr + width * (j - 1), ptr + width * j, width);
    }
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<bubble_sort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  cmp    $0x1,%rsi
  jbe    L32
  mov    %rdx,%r13
  test   %rdx,%rdx
  je     L32
  mov    %rsi,%r12
  mov    %rcx,%r14
  sub    $0x1,%r12d
  js     L32
L56:
  mov    0x8(%rsp),%rbx
  mov    $0x1,%ebp
  test   %r12d,%r12d
  jle    L30
L11:
  mov    %rbx,%r15
  add    %r13,%rbx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   *%r14
  test   %eax,%eax
  jle    L47
  mov    %r13,%rdx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   <swap@plt>
L47:
  add    $0x1,%ebp
  cmp    %ebp,%r12d
  jge    L11
  sub    $0x1,%r12d
  mov    0x8(%rsp),%rbx
  mov    $0x1,%ebp
  test   %r12d,%r12d
  jg     L11
L30:
  sub    $0x1,%r12d
  jns    L56
L32:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void bubble_sort(void *base, size_t num, size_t width, int (*compar)(void *, void *)) {
  int i, j, k;
  char *ptr = base;
  if (num < 2 || width == 0)
    return;
  for (i = num - 1; i >= 0; i--) {
    for (j = 1; j <= i; j++) {
      k = compar((void *)(ptr + width * (j - 1)), (void *)(ptr + width * j));
      if (k > 0)
        swap(ptr + width * (j - 1), ptr + width * j, width);
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<bubble_sort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  cmp    $0x1,%rsi
  jbe    L4
  mov    %rdx,%r13
  test   %rdx,%rdx
  je     L4
  mov    %rsi,%r12
  mov    %rcx,%r14
  sub    $0x1,%r12d
  js     L4
L56:
  mov    0x8(%rsp),%rbx
  mov    $0x1,%ebp
  test   %r12d,%r12d
  jle    L13
L76:
  mov    %rbx,%r15
  add    %r13,%rbx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   *%r14
  test   %eax,%eax
  jle    L31
  mov    %r13,%rdx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   <swap@plt>
L31:
  add    $0x1,%ebp
  cmp    %ebp,%r12d
  jge    L76
  sub    $0x1,%r12d
  mov    0x8(%rsp),%rbx
  mov    $0x1,%ebp
  test   %r12d,%r12d
  jg     L76
L13:
  sub    $0x1,%r12d
  jns    L56
L4:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void bubble_sort(void *base, size_t num, size_t width, int (*compar)(void *, void *)) {
  int i, j, k;
  char *ptr = base;
  if (num < 2 || width == 0)
    return;
  for (i = num - 1; i >= 0; i--) {
    for (j = 1; j <= i; j++) {
      k = compar((void *)(ptr + width * (j - 1)), (void *)(ptr + width * j));
      if (k > 0)
        swap(ptr + width * (j - 1), ptr + width * j, width);
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  movl   $0x78563412,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x18(%rbp),%eax
  sar    $0x8,%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x18(%rbp),%eax
  sar    $0x10,%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x18(%rbp),%eax
  sar    $0x18,%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x12,-0x14(%rbp)
  movl   $0x34,-0x10(%rbp)
  movl   $0x56,-0xc(%rbp)
  movl   $0x78,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  shl    $0x18,%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  shl    $0x10,%eax
  or     %eax,%edx
  mov    -0x10(%rbp),%eax
  shl    $0x8,%eax
  or     %edx,%eax
  or     -0x14(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D15
type_infered: string

tool: D15: %#X


assistant: ```c
int main(void) {
  int i = 0X78563412;
  printf("%#X\n", (char)i);
  printf("%#X\n", (char)(i >> 8));
  printf("%#X\n", (char)(i >> 16));
  printf("%#X\n", (char)(i >> 24));
  int a = 0X12;
  int b = 0X34;
  int c = 0X56;
  int d = 0X78;
  int j = (d << 24) | (c << 16) | (b << 8) | a;
  printf("%#X\n", j);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbx
  mov    $0x12,%esi
  lea    D7(%rip),%rbx
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    $0x34,%esi
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    $0x56,%esi
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    $0x78,%esi
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    $0x78563412,%esi
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

tool_calls: name: disassemble_data
arguments: label: D7
type_guessed: string

tool: D7: %#X


assistant: ```c
int main(void) {
  int i = 0X78563412;
  printf("%#X\n", (char)i);
  printf("%#X\n", (char)(i >> 8));
  printf("%#X\n", (char)(i >> 16));
  printf("%#X\n", (char)(i >> 24));
  int a = 0X12;
  int b = 0X34;
  int c = 0X56;
  int d = 0X78;
  int j = (d << 24) | (c << 16) | (b << 8) | a;
  printf("%#X\n", j);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D7(%rip),%rbp
  mov    $0x12,%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x34,%esi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x56,%esi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x78,%esi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x78563412,%esi
  call   <printf@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: label: D7
type_guessed: string

tool: D7: %#X


assistant: ```c
int main(void) {
  int i = 0X78563412;
  printf("%#X\n", (char)i);
  printf("%#X\n", (char)(i >> 8));
  printf("%#X\n", (char)(i >> 16));
  printf("%#X\n", (char)(i >> 24));
  int a = 0X12;
  int b = 0X34;
  int c = 0X56;
  int d = 0X78;
  int j = (d << 24) | (c << 16) | (b << 8) | a;
  printf("%#X\n", j);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D6(%rip),%rbp
  mov    $0x12,%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x34,%esi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x56,%esi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x78,%esi
  call   <printf@plt>
  mov    %rbp,%rdi
  mov    $0x78563412,%esi
  call   <printf@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

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

tool: D6: %#X


assistant: ```c
int main(void) {
  int i = 0X78563412;
  printf("%#X\n", (char)i);
  printf("%#X\n", (char)(i >> 8));
  printf("%#X\n", (char)(i >> 16));
  printf("%#X\n", (char)(i >> 24));
  int a = 0X12;
  int b = 0X34;
  int c = 0X56;
  int d = 0X78;
  int j = (d << 24) | (c << 16) | (b << 8) | a;
  printf("%#X\n", j);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<utf8dec>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x1,-0x14(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0x10(%rbp)
  cmpl   $0x7f,-0x10(%rbp)
  jle    L75
  movl   $0x1,-0x14(%rbp)
  jmp    L5
L3:
  addl   $0x1,-0x14(%rbp)
L5:
  addq   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0xc0,%eax
  cmp    $0xc0,%eax
  je     L3
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x10(%rbp)
  cmpl   $0x2,-0x14(%rbp)
  jne    L6
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  shl    $0x6,%eax
  and    $0x7c0,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  and    $0x3f,%eax
  or     %eax,-0x10(%rbp)
  jmp    L59
L6:
  cmpl   $0x3,-0x14(%rbp)
  jne    L59
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  shl    $0xc,%eax
  and    $0xffff,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  shl    $0x6,%eax
  and    $0xfc0,%eax
  or     %eax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  and    $0x3f,%eax
  or     %eax,-0x10(%rbp)
  jmp    L59
L75:
  cmpl   $0x0,-0x10(%rbp)
  je     L59
  movl   $0x1,-0x14(%rbp)
L59:
  mov    -0x30(%rbp),%rax
  mov    -0x14(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x10(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
uint16_t utf8dec(unsigned char *str, int *len) {
  unsigned char *cp = str;
  int nb = 1;
  uint16_t wch = *cp;
  uint16_t tmp;
  if (wch > 0x7f) {
    nb = 1;
    while ((*++cp & 0xc0) == 0xc0) {
      nb++;
    }
    cp = str;
    wch = 0;
    if (nb == 2) {
      tmp = *cp++;
      wch = (tmp & 0x1f) << 6;
      tmp = *cp++;
      wch |= tmp & 0x3f;
    } else if (nb == 3) {
      tmp = *cp++;
      wch = (tmp & 0x0f) << 12;
      tmp = *cp++;
      wch |= (tmp & 0x3f) << 6;
      tmp = *cp++;
      wch |= (tmp & 0x3f);
    }
  } else if (wch) {
    nb = 1;
  }
  *len = nb;
  return wch;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<utf8dec>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%r9
  movzbl (%rdi),%eax
  mov    $0x1,%esi
  cmp    $0x7f,%eax
  jle    L2
  lea    0x1(%rdi),%rcx
  movzbl 0x1(%rdi),%r10d
  mov    %r10d,%edx
  and    $0xffffffc0,%edx
  cmp    $0xc0,%dl
  jne    L40
  mov    %rcx,%rdx
  mov    $0x2,%edi
  sub    %ecx,%edi
L76:
  lea    (%rdi,%rdx,1),%esi
  add    $0x1,%rdx
  movzbl (%rdx),%ecx
  and    $0xffffffc0,%ecx
  cmp    $0xc0,%cl
  je     L76
  cmp    $0x2,%esi
  je     L53
  cmp    $0x3,%esi
  je     L57
  mov    $0x0,%eax
  jmp    L2
L53:
  shl    $0x6,%eax
  and    $0x7c0,%eax
  and    $0x3f,%r10d
  or     %r10d,%eax
L2:
  mov    %esi,(%r9)
  ret
L57:
  shl    $0xc,%eax
  movzwl %ax,%eax
  shl    $0x6,%r10d
  and    $0xfc0,%r10d
  or     %eax,%r10d
  movzbl 0x2(%r8),%eax
  and    $0x3f,%eax
  or     %r10d,%eax
  jmp    L2
L40:
  mov    $0x0,%eax
  mov    $0x1,%esi
  jmp    L2
```

assistant: ```c
uint16_t utf8dec(unsigned char *str, int *len) {
  unsigned char *cp = str;
  int nb = 1;
  uint16_t wch = *cp;
  uint16_t tmp;
  if (wch > 0x7f) {
    nb = 1;
    while ((*++cp & 0xc0) == 0xc0) {
      nb++;
    }
    cp = str;
    wch = 0;
    if (nb == 2) {
      tmp = *cp++;
      wch = (tmp & 0x1f) << 6;
      tmp = *cp++;
      wch |= tmp & 0x3f;
    } else if (nb == 3) {
      tmp = *cp++;
      wch = (tmp & 0x0f) << 12;
      tmp = *cp++;
      wch |= (tmp & 0x3f) << 6;
      tmp = *cp++;
      wch |= (tmp & 0x3f);
    }
  } else if (wch) {
    nb = 1;
  }
  *len = nb;
  return wch;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<utf8dec>:
  endbr64
  movzbl (%rdi),%eax
  mov    %rsi,%r9
  mov    %rdi,%r8
  mov    $0x1,%esi
  cmp    $0x7f,%eax
  jle    L18
  movzbl 0x1(%rdi),%r10d
  lea    0x1(%rdi),%rdx
  mov    %r10d,%ecx
  and    $0xffffffc0,%ecx
  cmp    $0xc0,%cl
  jne    L10
  mov    $0x2,%edi
  sub    %edx,%edi
  nopw   0x0(%rax,%rax,1)
L9:
  lea    (%rdi,%rdx,1),%esi
  movzbl 0x1(%rdx),%ecx
  add    $0x1,%rdx
  and    $0xffffffc0,%ecx
  cmp    $0xc0,%cl
  je     L9
  cmp    $0x2,%esi
  je     L43
  cmp    $0x3,%esi
  je     L15
L10:
  xor    %eax,%eax
L18:
  mov    %esi,(%r9)
  ret
  nopl   0x0(%rax,%rax,1)
L15:
  shl    $0xc,%eax
  shl    $0x6,%r10d
  movzwl %ax,%eax
  and    $0xfc0,%r10d
  or     %eax,%r10d
  movzbl 0x2(%r8),%eax
  mov    %esi,(%r9)
  and    $0x3f,%eax
  or     %r10d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L43:
  shl    $0x6,%eax
  and    $0x3f,%r10d
  mov    %esi,(%r9)
  and    $0x7c0,%eax
  or     %r10d,%eax
  ret
```

assistant: ```c
uint16_t utf8dec(unsigned char *str, int *len) {
  unsigned char *cp = str;
  int nb = 1;
  uint16_t wch = *cp;
  uint16_t tmp;
  if (wch > 0x7f) {
    nb = 1;
    while ((*++cp & 0xc0) == 0xc0) {
      nb++;
    }
    cp = str;
    wch = 0;
    if (nb == 2) {
      tmp = *cp++;
      wch = (tmp & 0x1f) << 6;
      tmp = *cp++;
      wch |= tmp & 0x3f;
    } else if (nb == 3) {
      tmp = *cp++;
      wch = (tmp & 0x0f) << 12;
      tmp = *cp++;
      wch |= (tmp & 0x3f) << 6;
      tmp = *cp++;
      wch |= (tmp & 0x3f);
    }
  } else if (wch) {
    nb = 1;
  }
  *len = nb;
  return wch;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<utf8dec>:
  endbr64
  movzbl (%rdi),%eax
  mov    %rsi,%r9
  mov    %rdi,%r8
  mov    $0x1,%esi
  cmp    $0x7f,%eax
  jle    L0
  movzbl 0x1(%rdi),%r10d
  lea    0x1(%rdi),%rdx
  mov    %r10d,%ecx
  and    $0xffffffc0,%ecx
  cmp    $0xc0,%cl
  jne    L37
  mov    $0x2,%edi
  sub    %edx,%edi
  nopw   0x0(%rax,%rax,1)
L23:
  lea    (%rdi,%rdx,1),%esi
  movzbl 0x1(%rdx),%ecx
  add    $0x1,%rdx
  and    $0xffffffc0,%ecx
  cmp    $0xc0,%cl
  je     L23
  cmp    $0x2,%esi
  je     L20
  cmp    $0x3,%esi
  je     L6
L37:
  xor    %eax,%eax
L0:
  mov    %esi,(%r9)
  ret
  nopl   0x0(%rax,%rax,1)
L6:
  shl    $0xc,%eax
  shl    $0x6,%r10d
  movzwl %ax,%eax
  and    $0xfc0,%r10d
  or     %eax,%r10d
  movzbl 0x2(%r8),%eax
  mov    %esi,(%r9)
  and    $0x3f,%eax
  or     %r10d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L20:
  shl    $0x6,%eax
  and    $0x3f,%r10d
  mov    %esi,(%r9)
  and    $0x7c0,%eax
  or     %r10d,%eax
  ret
```

assistant: ```c
uint16_t utf8dec(unsigned char *str, int *len) {
  unsigned char *cp = str;
  int nb = 1;
  uint16_t wch = *cp;
  uint16_t tmp;
  if (wch > 0x7f) {
    nb = 1;
    while ((*++cp & 0xc0) == 0xc0) {
      nb++;
    }
    cp = str;
    wch = 0;
    if (nb == 2) {
      tmp = *cp++;
      wch = (tmp & 0x1f) << 6;
      tmp = *cp++;
      wch |= tmp & 0x3f;
    } else if (nb == 3) {
      tmp = *cp++;
      wch = (tmp & 0x0f) << 12;
      tmp = *cp++;
      wch |= (tmp & 0x3f) << 6;
      tmp = *cp++;
      wch |= (tmp & 0x3f);
    }
  } else if (wch) {
    nb = 1;
  }
  *len = nb;
  return wch;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<PB_Cfirstnb>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    %ecx,-0x20(%rbp)
  mov    -0x18(%rbp),%eax
  sub    %eax,-0x1c(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  jg     L9
  mov    -0x1c(%rbp),%eax
  neg    %eax
  cltd
  idivl  -0x20(%rbp)
  add    $0x1,%eax
  imul   -0x20(%rbp),%eax
  mov    %eax,%edx
  mov    -0x1c(%rbp),%eax
  add    %edx,%eax
  jmp    L2
L9:
  mov    -0x1c(%rbp),%eax
L2:
  mov    %eax,-0x4(%rbp)
  mov    -0x14(%rbp),%edx
  mov    -0x4(%rbp),%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
int PB_Cfirstnb(int N, int I, int INB, int NB) {
  int inbt;
  inbt = ((INB -= I) <= 0 ? ((-INB) / NB + 1) * NB + INB : INB);
  return ((((inbt) < (N)) ? (inbt) : (N)));
}
```
user: What is the c source code of the assembly code below:

```asm
<PB_Cfirstnb>:
  endbr64
  mov    %edi,%r8d
  mov    %edx,%edi
  sub    %esi,%edi
  test   %edi,%edi
  jle    L15
L14:
  cmp    %r8d,%edi
  mov    %r8d,%eax
  cmovle %edi,%eax
  ret
L15:
  mov    %esi,%eax
  sub    %edx,%eax
  cltd
  idiv   %ecx
  add    $0x1,%eax
  imul   %ecx,%eax
  add    %eax,%edi
  jmp    L14
```

assistant: ```c
int PB_Cfirstnb(int N, int I, int INB, int NB) {
  int inbt;
  inbt = ((INB -= I) <= 0 ? ((-INB) / NB + 1) * NB + INB : INB);
  return ((((inbt) < (N)) ? (inbt) : (N)));
}
```