ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<utf8_strlen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L1
L8:
  nop
L14:
  addq   $0x1,-0x18(%rbp)
L1:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jg     L8
  mov    -0x18(%rbp),%rax
  sub    -0x8(%rbp),%rax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  jmp    L78
L67:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jle    L92
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L14
L92:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xf0,%eax
  cmp    $0xe0,%eax
  je     L57
  cmp    $0xf0,%eax
  je     L100
  jmp    L42
L57:
  addq   $0x3,-0x18(%rbp)
  jmp    L95
L100:
  addq   $0x4,-0x18(%rbp)
  jmp    L95
L42:
  addq   $0x2,-0x18(%rbp)
  nop
L95:
  addl   $0x1,-0xc(%rbp)
L78:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L67
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int utf8_strlen(char *s) {
  int count = 0;
  char *sBefore = s;
  while (*s > 0) {
  ascii:
    s++;
  }
  count += s - sBefore;
  while (*s) {
    if (*s > 0) {
      sBefore = s;
      goto ascii;
    } else {
      switch (*s & 0xF0) {
      case 0xE0:
        s += 3;
        break;
      case 0xF0:
        s += 4;
        break;
      default:
        s += 2;
        break;
      }
    }
    count++;
  }
  return count;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<utf8_strlen>:
  endbr64
  mov    %rdi,%rcx
  mov    $0x0,%edx
  jmp    L2
L63:
  mov    %rdi,%rcx
L46:
  add    $0x1,%rdi
L2:
  movzbl (%rdi),%eax
  test   %al,%al
  jg     L46
  mov    %rdi,%rsi
  sub    %rcx,%rsi
  add    %esi,%edx
  test   %al,%al
  jne    L31
L35:
  mov    %edx,%eax
  ret
L27:
  lea    0x2(%rdi),%rcx
  add    $0x4,%rdi
  cmp    $0xf0,%eax
  cmovne %rcx,%rdi
L16:
  add    $0x1,%edx
  movzbl (%rdi),%eax
  test   %al,%al
  je     L35
  jg     L63
L31:
  and    $0xf0,%eax
  cmp    $0xe0,%eax
  jne    L27
  add    $0x3,%rdi
  jmp    L16
```

assistant: ```c
int utf8_strlen(char *s) {
  int count = 0;
  char *sBefore = s;
  while (*s > 0) {
  ascii:
    s++;
  }
  count += s - sBefore;
  while (*s) {
    if (*s > 0) {
      sBefore = s;
      goto ascii;
    } else {
      switch (*s & 0xF0) {
      case 0xE0:
        s += 3;
        break;
      case 0xF0:
        s += 4;
        break;
      default:
        s += 2;
        break;
      }
    }
    count++;
  }
  return count;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<utf8_strlen>:
  endbr64
  movzbl (%rdi),%eax
  mov    %rdi,%rdx
  xor    %r8d,%r8d
  test   %al,%al
  jle    L57
  nopl   0x0(%rax)
L70:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  jg     L70
L57:
  mov    %rdi,%rcx
  sub    %rdx,%rcx
  add    %ecx,%r8d
  test   %al,%al
  jne    L64
  jmp    L78
  nopl   0x0(%rax,%rax,1)
L14:
  lea    0x2(%rdi),%rdx
  add    $0x4,%rdi
  cmp    $0xf0,%eax
  cmovne %rdx,%rdi
  add    $0x1,%r8d
  movzbl (%rdi),%eax
  test   %al,%al
  je     L78
L5:
  jg     L37
L64:
  and    $0xf0,%eax
  cmp    $0xe0,%eax
  jne    L14
  movzbl 0x3(%rdi),%eax
  add    $0x3,%rdi
  add    $0x1,%r8d
  test   %al,%al
  jne    L5
L78:
  mov    %r8d,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L37:
  mov    %rdi,%rdx
  jmp    L70
```

assistant: ```c
int utf8_strlen(char *s) {
  int count = 0;
  char *sBefore = s;
  while (*s > 0) {
  ascii:
    s++;
  }
  count += s - sBefore;
  while (*s) {
    if (*s > 0) {
      sBefore = s;
      goto ascii;
    } else {
      switch (*s & 0xF0) {
      case 0xE0:
        s += 3;
        break;
      case 0xF0:
        s += 4;
        break;
      default:
        s += 2;
        break;
      }
    }
    count++;
  }
  return count;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<utf8_strlen>:
  endbr64
  movzbl (%rdi),%eax
  mov    %rdi,%rdx
  xor    %r8d,%r8d
  test   %al,%al
  jle    L88
  nopl   0x0(%rax)
L61:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  test   %al,%al
  jg     L61
L88:
  mov    %rdi,%rcx
  sub    %rdx,%rcx
  add    %ecx,%r8d
  test   %al,%al
  jne    L78
  jmp    L84
  nopl   0x0(%rax,%rax,1)
L7:
  lea    0x2(%rdi),%rdx
  add    $0x4,%rdi
  cmp    $0xf0,%eax
  cmovne %rdx,%rdi
  add    $0x1,%r8d
  movzbl (%rdi),%eax
  test   %al,%al
  je     L84
L43:
  jg     L77
L78:
  and    $0xf0,%eax
  cmp    $0xe0,%eax
  jne    L7
  movzbl 0x3(%rdi),%eax
  add    $0x3,%rdi
  add    $0x1,%r8d
  test   %al,%al
  jne    L43
L84:
  mov    %r8d,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L77:
  mov    %rdi,%rdx
  jmp    L61
```

assistant: ```c
int utf8_strlen(char *s) {
  int count = 0;
  char *sBefore = s;
  while (*s > 0) {
  ascii:
    s++;
  }
  count += s - sBefore;
  while (*s) {
    if (*s > 0) {
      sBefore = s;
      goto ascii;
    } else {
      switch (*s & 0xF0) {
      case 0xE0:
        s += 3;
        break;
      case 0xF0:
        s += 4;
        break;
      default:
        s += 2;
        break;
      }
    }
    count++;
  }
  return count;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<calculateChecksum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L11
L14:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    (%rax),%eax
  add    %eax,-0x8(%rbp)
  addl   $0x1,-0x4(%rbp)
L11:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L14
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
uint32_t calculateChecksum(uint8_t *data, uint32_t size) {
  uint32_t checksum = 0;
  int i;
  for (i = 0; i < size; i++) {
    checksum += *data++;
  }
  return checksum;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<calculateChecksum>:
  endbr64
  test   %esi,%esi
  jle    L9
  mov    %esi,%esi
  lea    (%rdi,%rsi,4),%rdx
  mov    $0x0,%eax
L15:
  add    $0x4,%rdi
  add    -0x4(%rdi),%eax
  cmp    %rdx,%rdi
  jne    L15
  ret
L9:
  mov    $0x0,%eax
  ret
```

assistant: ```c
uint32_t calculateChecksum(uint8_t *data, uint32_t size) {
  uint32_t checksum = 0;
  int i;
  for (i = 0; i < size; i++) {
    checksum += *data++;
  }
  return checksum;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<calculateChecksum>:
  endbr64
  test   %esi,%esi
  jle    L8
  movslq %esi,%rsi
  xor    %eax,%eax
  lea    (%rdi,%rsi,4),%rdx
  nopl   0x0(%rax)
L6:
  add    $0x4,%rdi
  add    -0x4(%rdi),%eax
  cmp    %rdx,%rdi
  jne    L6
  ret
  nopl   (%rax)
L8:
  xor    %eax,%eax
  ret
```

assistant: ```c
uint32_t calculateChecksum(uint8_t *data, uint32_t size) {
  uint32_t checksum = 0;
  int i;
  for (i = 0; i < size; i++) {
    checksum += *data++;
  }
  return checksum;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<calculateChecksum>:
  endbr64
  mov    %rdi,%rdx
  test   %esi,%esi
  jle    L20
  lea    -0x1(%rsi),%eax
  cmp    $0x2,%eax
  jbe    L31
  mov    %esi,%ecx
  mov    %rdi,%rax
  pxor   %xmm0,%xmm0
  shr    $0x2,%ecx
  sub    $0x1,%ecx
  shl    $0x4,%rcx
  lea    0x10(%rdi,%rcx,1),%rcx
  nopl   0x0(%rax,%rax,1)
L41:
  movdqu (%rax),%xmm2
  add    $0x10,%rax
  paddd  %xmm2,%xmm0
  cmp    %rax,%rcx
  jne    L41
  movdqa %xmm0,%xmm1
  mov    %esi,%ecx
  psrldq $0x8,%xmm1
  and    $0xfffffffc,%ecx
  paddd  %xmm1,%xmm0
  mov    %ecx,%edi
  movdqa %xmm0,%xmm1
  lea    (%rdx,%rdi,4),%rdx
  psrldq $0x4,%xmm1
  paddd  %xmm1,%xmm0
  movd   %xmm0,%eax
  cmp    %ecx,%esi
  je     L21
L52:
  lea    0x1(%rcx),%edi
  add    (%rdx),%eax
  cmp    %edi,%esi
  jle    L57
  add    $0x2,%ecx
  add    0x4(%rdx),%eax
  cmp    %ecx,%esi
  jle    L57
  add    0x8(%rdx),%eax
  ret
  nopl   (%rax)
L20:
  xor    %eax,%eax
L57:
  ret
  nopl   0x0(%rax,%rax,1)
L21:
  ret
L31:
  xor    %ecx,%ecx
  xor    %eax,%eax
  jmp    L52
```

assistant: ```c
uint32_t calculateChecksum(uint8_t *data, uint32_t size) {
  uint32_t checksum = 0;
  int i;
  for (i = 0; i < size; i++) {
    checksum += *data++;
  }
  return checksum;
}
```
user: Translate the below assembly code into C programming language:

```asm
<get64bit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rcx
  lea    -0xc(%rbp),%rax
  mov    $0x8,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  lea    0x20(%rax),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0xc(%rbp),%eax
  mov    $0x38,%edx
  mov    %edx,%ecx
  shl    %cl,%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  sar    $0x8,%eax
  and    $0xff000000,%eax
  or     %eax,%edx
  mov    -0xc(%rbp),%eax
  sar    $0x18,%eax
  and    $0xff0000,%eax
  mov    %edx,%esi
  or     %eax,%esi
  mov    -0xc(%rbp),%eax
  mov    $0x28,%edx
  mov    %edx,%ecx
  sar    %cl,%eax
  and    $0xff00,%eax
  or     %eax,%esi
  mov    -0xc(%rbp),%eax
  mov    $0x38,%edx
  mov    %edx,%ecx
  sar    %cl,%eax
  movzbl %al,%eax
  or     %esi,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
uint64_t get64bit(const uint8_t **ptr) {
  uint64_t t64;
  memcpy(&t64, *ptr, 8);
  (*ptr) += 8;
  return ((((t64) << 56) & 0xFF00000000000000) | (((t64) << 40) & 0xFF000000000000) | (((t64) << 24) & 0xFF0000000000) | (((t64) << 8) & 0xFF00000000) | (((t64) >> 8) & 0xFF000000) | (((t64) >> 24) & 0xFF0000) | (((t64) >> 40) & 0xFF00) | (((t64) >> 56) & 0xFF));
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<get64bit>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  mov    $0x8,%edx
  mov    (%rbx),%rsi
  call   <memcpy@plt>
  addq   $0x20,(%rbx)
  mov    0x4(%rsp),%edx
  mov    %edx,%eax
  sar    $0x8,%eax
  and    $0xff000000,%eax
  mov    %edx,%ecx
  sar    $0x18,%ecx
  and    $0xff0000,%ecx
  or     %ecx,%eax
  mov    %edx,%esi
  mov    $0x28,%ecx
  sar    %cl,%esi
  mov    %esi,%ecx
  and    $0xff00,%ecx
  or     %ecx,%eax
  mov    $0x38,%ecx
  sar    %cl,%edx
  movzbl %dl,%edx
  or     %edx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x10,%rsp
  pop    %rbx
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint64_t get64bit(const uint8_t **ptr) {
  uint64_t t64;
  memcpy(&t64, *ptr, 8);
  (*ptr) += 8;
  return ((((t64) << 56) & 0xFF00000000000000) | (((t64) << 40) & 0xFF000000000000) | (((t64) << 24) & 0xFF0000000000) | (((t64) << 8) & 0xFF00000000) | (((t64) >> 8) & 0xFF000000) | (((t64) >> 24) & 0xFF0000) | (((t64) >> 40) & 0xFF00) | (((t64) >> 56) & 0xFF));
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<get64bit>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x8,%edx
  sub    $0x10,%rsp
  mov    (%rbx),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <memcpy@plt>
  mov    0x4(%rsp),%edx
  addq   $0x20,(%rbx)
  mov    %edx,%eax
  mov    %edx,%ecx
  mov    %edx,%esi
  sar    $0x8,%eax
  sar    $0x18,%ecx
  and    $0xff0000,%ecx
  and    $0xff000000,%eax
  or     %ecx,%eax
  mov    $0x28,%ecx
  sar    %cl,%esi
  mov    %esi,%ecx
  and    $0xff00,%ecx
  or     %ecx,%eax
  mov    $0x38,%ecx
  sar    %cl,%edx
  movzbl %dl,%edx
  or     %edx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x10,%rsp
  pop    %rbx
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint64_t get64bit(const uint8_t **ptr) {
  uint64_t t64;
  memcpy(&t64, *ptr, 8);
  (*ptr) += 8;
  return ((((t64) << 56) & 0xFF00000000000000) | (((t64) << 40) & 0xFF000000000000) | (((t64) << 24) & 0xFF0000000000) | (((t64) << 8) & 0xFF00000000) | (((t64) >> 8) & 0xFF000000) | (((t64) >> 24) & 0xFF0000) | (((t64) >> 40) & 0xFF00) | (((t64) >> 56) & 0xFF));
}
```
user: What is the c source code of the assembly code below:

```asm
<get64bit>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x8,%edx
  sub    $0x10,%rsp
  mov    (%rbx),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <memcpy@plt>
  mov    0x4(%rsp),%edx
  addq   $0x20,(%rbx)
  mov    %edx,%eax
  mov    %edx,%ecx
  mov    %edx,%esi
  sar    $0x8,%eax
  sar    $0x18,%ecx
  and    $0xff0000,%ecx
  and    $0xff000000,%eax
  or     %ecx,%eax
  mov    $0x28,%ecx
  sar    %cl,%esi
  mov    %esi,%ecx
  and    $0xff00,%ecx
  or     %ecx,%eax
  mov    $0x38,%ecx
  sar    %cl,%edx
  movzbl %dl,%edx
  or     %edx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L9
  add    $0x10,%rsp
  pop    %rbx
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint64_t get64bit(const uint8_t **ptr) {
  uint64_t t64;
  memcpy(&t64, *ptr, 8);
  (*ptr) += 8;
  return ((((t64) << 56) & 0xFF00000000000000) | (((t64) << 40) & 0xFF000000000000) | (((t64) << 24) & 0xFF0000000000) | (((t64) << 8) & 0xFF00000000) | (((t64) >> 8) & 0xFF000000) | (((t64) >> 24) & 0xFF0000) | (((t64) >> 40) & 0xFF00) | (((t64) >> 56) & 0xFF));
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ftocstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x20(%rbp)
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  nop
L10:
  subq   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jb     L36
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L10
L36:
  mov    -0x8(%rbp),%rax
  sub    -0x28(%rbp),%rax
  add    $0x1,%eax
  mov    %eax,-0x20(%rbp)
  subl   $0x1,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x20(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jle    L46
  mov    $0x1,%eax
  jmp    L2
L29:
  mov    -0x28(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x18(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L46:
  mov    -0x20(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x20(%rbp)
  test   %eax,%eax
  jne    L29
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    $0x0,%eax
L2:
  pop    %rbp
  ret
```

assistant: ```c
int ftocstr(char *ds, int dl, char *ss, int sl) {
  char *p;
  p = ss + sl;
  while (--p >= ss && *p == ' ')
    ;
  sl = p - ss + 1;
  dl--;
  ds[0] = 0;
  if (sl > dl)
    return 1;
  while (sl--)
    (*ds++ = *ss++);
  *ds = '\0';
  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
<ftocstr>:
  endbr64
  movslq %ecx,%rcx
  add    %rdx,%rcx
L2:
  sub    $0x1,%rcx
  cmp    %rcx,%rdx
  ja     L48
  cmpb   $0x20,(%rcx)
  je     L2
L48:
  sub    %rdx,%rcx
  lea    0x1(%rcx),%r8d
  movb   $0x0,(%rdi)
  mov    $0x1,%eax
  cmp    %esi,%r8d
  jge    L8
  test   %r8d,%r8d
  je     L22
  mov    %ecx,%ecx
  lea    0x1(%rcx),%r8
  mov    $0x0,%eax
L14:
  movzbl (%rdx,%rax,1),%esi
  mov    %sil,(%rdi,%rax,1)
  mov    %rax,%rsi
  add    $0x1,%rax
  cmp    %rcx,%rsi
  jne    L14
  add    %r8,%rdi
L22:
  movb   $0x0,(%rdi)
  mov    $0x0,%eax
L8:
  ret
```

assistant: ```c
int ftocstr(char *ds, int dl, char *ss, int sl) {
  char *p;
  p = ss + sl;
  while (--p >= ss && *p == ' ')
    ;
  sl = p - ss + 1;
  dl--;
  ds[0] = 0;
  if (sl > dl)
    return 1;
  while (sl--)
    (*ds++ = *ss++);
  *ds = '\0';
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<ftocstr>:
  endbr64
  movslq %ecx,%rcx
  add    %rdx,%rcx
  jmp    L42
  nopl   0x0(%rax)
L50:
  cmpb   $0x20,(%rcx)
  jne    L49
L42:
  sub    $0x1,%rcx
  cmp    %rcx,%rdx
  jbe    L50
L49:
  sub    %rdx,%rcx
  movb   $0x0,(%rdi)
  mov    $0x1,%eax
  lea    0x1(%rcx),%r8d
  cmp    %esi,%r8d
  jge    L10
  test   %r8d,%r8d
  je     L27
  mov    %ecx,%ecx
  xor    %eax,%eax
  lea    0x1(%rcx),%r8
  nop
L51:
  movzbl (%rdx,%rax,1),%esi
  mov    %sil,(%rdi,%rax,1)
  mov    %rax,%rsi
  add    $0x1,%rax
  cmp    %rcx,%rsi
  jne    L51
  add    %r8,%rdi
L27:
  movb   $0x0,(%rdi)
  xor    %eax,%eax
L10:
  ret
```

assistant: ```c
int ftocstr(char *ds, int dl, char *ss, int sl) {
  char *p;
  p = ss + sl;
  while (--p >= ss && *p == ' ')
    ;
  sl = p - ss + 1;
  dl--;
  ds[0] = 0;
  if (sl > dl)
    return 1;
  while (sl--)
    (*ds++ = *ss++);
  *ds = '\0';
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ftocstr>:
  endbr64
  movslq %ecx,%rcx
  mov    %rdx,%rax
  add    %rdx,%rcx
  jmp    L75
  nop
L29:
  cmpb   $0x20,(%rcx)
  jne    L28
L75:
  sub    $0x1,%rcx
  cmp    %rcx,%rax
  jbe    L29
L28:
  sub    %rax,%rcx
  movb   $0x0,(%rdi)
  mov    $0x1,%r9d
  lea    0x1(%rcx),%r8d
  cmp    %esi,%r8d
  jge    L33
  mov    %ecx,%edx
  test   %r8d,%r8d
  je     L150
  lea    0x1(%rax),%r9
  mov    %rdi,%rsi
  sub    %r9,%rsi
  cmp    $0xe,%rsi
  jbe    L172
  cmp    $0x6,%ecx
  jbe    L172
  push   %rbx
  cmp    $0xe,%ecx
  jbe    L127
  mov    %r8d,%esi
  xor    %edx,%edx
  shr    $0x4,%esi
  shl    $0x4,%rsi
  nopl   (%rax)
L4:
  movdqu (%rax,%rdx,1),%xmm0
  movups %xmm0,(%rdi,%rdx,1)
  add    $0x10,%rdx
  cmp    %rsi,%rdx
  jne    L4
  mov    %r8d,%ebx
  mov    %ecx,%edx
  mov    %ecx,%r10d
  and    $0xfffffff0,%ebx
  mov    %ebx,%r11d
  sub    %ebx,%edx
  lea    (%rdi,%r11,1),%rsi
  lea    (%rax,%r11,1),%r9
  cmp    %ebx,%r8d
  je     L102
  lea    0x1(%rdx),%r8d
  cmp    $0x6,%edx
  jbe    L95
L76:
  mov    (%rax,%r11,1),%rax
  mov    %rax,(%rdi,%r11,1)
  mov    %r8d,%eax
  and    $0xfffffff8,%eax
  mov    %eax,%r10d
  sub    %eax,%edx
  add    %r10,%rsi
  add    %r10,%r9
  mov    %ecx,%r10d
  cmp    %eax,%r8d
  je     L102
L95:
  movzbl (%r9),%eax
  mov    %ecx,%r10d
  mov    %al,(%rsi)
  test   %edx,%edx
  je     L102
  movzbl 0x1(%r9),%eax
  mov    %al,0x1(%rsi)
  cmp    $0x1,%edx
  je     L102
  movzbl 0x2(%r9),%eax
  mov    %al,0x2(%rsi)
  cmp    $0x2,%edx
  je     L102
  movzbl 0x3(%r9),%eax
  mov    %al,0x3(%rsi)
  cmp    $0x3,%edx
  je     L102
  movzbl 0x4(%r9),%eax
  mov    %al,0x4(%rsi)
  cmp    $0x4,%edx
  je     L102
  movzbl 0x5(%r9),%eax
  mov    %al,0x5(%rsi)
  cmp    $0x5,%edx
  je     L102
  movzbl 0x6(%r9),%eax
  mov    %al,0x6(%rsi)
L102:
  lea    0x1(%rdi,%r10,1),%rdi
  xor    %eax,%eax
  movb   $0x0,(%rdi)
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L172:
  mov    %ecx,%r10d
  xor    %edx,%edx
  nopl   (%rax)
L176:
  movzbl (%rax,%rdx,1),%ecx
  mov    %cl,(%rdi,%rdx,1)
  mov    %rdx,%rcx
  add    $0x1,%rdx
  cmp    %r10,%rcx
  jne    L176
  lea    0x1(%rdi,%r10,1),%rdi
L150:
  movb   $0x0,(%rdi)
  xor    %r9d,%r9d
L33:
  mov    %r9d,%eax
  ret
L127:
  mov    %rax,%r9
  mov    %rdi,%rsi
  xor    %r11d,%r11d
  jmp    L76
```

assistant: ```c
int ftocstr(char *ds, int dl, char *ss, int sl) {
  char *p;
  p = ss + sl;
  while (--p >= ss && *p == ' ')
    ;
  sl = p - ss + 1;
  dl--;
  ds[0] = 0;
  if (sl > dl)
    return 1;
  while (sl--)
    (*ds++ = *ss++);
  *ds = '\0';
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <rdtscp_cpuid@plt>
  mov    $0x0,%eax
  call   <rdtsc@plt>
  mov    $0x0,%eax
  call   <rdtsc_cpuid@plt>
  mov    $0x0,%eax
  call   <rdtscp@plt>
  mov    $0x0,%eax
  call   <lib_tsc@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  rdtscp_cpuid();
  rdtsc();
  rdtsc_cpuid();
  rdtscp();
  lib_tsc();
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <rdtscp_cpuid@plt>
  mov    $0x0,%eax
  call   <rdtsc@plt>
  mov    $0x0,%eax
  call   <rdtsc_cpuid@plt>
  mov    $0x0,%eax
  call   <rdtscp@plt>
  mov    $0x0,%eax
  call   <lib_tsc@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  rdtscp_cpuid();
  rdtsc();
  rdtsc_cpuid();
  rdtscp();
  lib_tsc();
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <rdtscp_cpuid@plt>
  xor    %eax,%eax
  call   <rdtsc@plt>
  xor    %eax,%eax
  call   <rdtsc_cpuid@plt>
  xor    %eax,%eax
  call   <rdtscp@plt>
  xor    %eax,%eax
  call   <lib_tsc@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  rdtscp_cpuid();
  rdtsc();
  rdtsc_cpuid();
  rdtscp();
  lib_tsc();
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <rdtscp_cpuid@plt>
  xor    %eax,%eax
  call   <rdtsc@plt>
  xor    %eax,%eax
  call   <rdtsc_cpuid@plt>
  xor    %eax,%eax
  call   <rdtscp@plt>
  xor    %eax,%eax
  call   <lib_tsc@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  rdtscp_cpuid();
  rdtsc();
  rdtsc_cpuid();
  rdtscp();
  lib_tsc();
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<ring_space_contig>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L2
  mov    $0x0,%eax
  jmp    L32
L2:
  mov    -0x10(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jl     L57
  cmpq   $0x0,-0x18(%rbp)
  jne    L33
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  jmp    L49
L33:
  mov    -0x8(%rbp),%rax
L49:
  sub    -0x10(%rbp),%rax
  jmp    L32
L57:
  mov    -0x18(%rbp),%rax
  sub    -0x10(%rbp),%rax
  sub    $0x1,%rax
L32:
  pop    %rbp
  ret
```

assistant: ```c
uint32_t ring_space_contig(uint32_t size, uint32_t head, uint32_t tail) {
  if (size == 0)
    return 0;
  if (head >= tail)
    return (tail ? size : size - 1) - head;
  else
    return tail - head - 1;
}
```
user: What is the c source code of the assembly code below:

```asm
<ring_space_contig>:
  endbr64
  mov    %rdi,%rax
  test   %rdi,%rdi
  je     L12
  cmp    %rdx,%rsi
  jl     L3
  cmp    $0x1,%rdx
  sbb    %rsi,%rax
  ret
L3:
  sub    %rsi,%rdx
  lea    -0x1(%rdx),%rax
L12:
  ret
```

assistant: ```c
uint32_t ring_space_contig(uint32_t size, uint32_t head, uint32_t tail) {
  if (size == 0)
    return 0;
  if (head >= tail)
    return (tail ? size : size - 1) - head;
  else
    return tail - head - 1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ring_space_contig>:
  endbr64
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L11
  cmp    %rdx,%rsi
  jl     L0
  cmp    $0x1,%rdx
  mov    %rdi,%rax
  sbb    %rsi,%rax
  ret
  nopl   0x0(%rax,%rax,1)
L0:
  sub    %rsi,%rdx
  lea    -0x1(%rdx),%rax
L11:
  ret
```

assistant: ```c
uint32_t ring_space_contig(uint32_t size, uint32_t head, uint32_t tail) {
  if (size == 0)
    return 0;
  if (head >= tail)
    return (tail ? size : size - 1) - head;
  else
    return tail - head - 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ring_space_contig>:
  endbr64
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L16
  cmp    %rdx,%rsi
  jl     L18
  cmp    $0x1,%rdx
  mov    %rdi,%rax
  sbb    %rsi,%rax
  ret
  nopl   0x0(%rax,%rax,1)
L18:
  sub    %rsi,%rdx
  lea    -0x1(%rdx),%rax
L16:
  ret
```

assistant: ```c
uint32_t ring_space_contig(uint32_t size, uint32_t head, uint32_t tail) {
  if (size == 0)
    return 0;
  if (head >= tail)
    return (tail ? size : size - 1) - head;
  else
    return tail - head - 1;
}
```