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

```asm
<getsample>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,%eax
  mov    %ax,-0x24(%rbp)
  movzwl -0x24(%rbp),%eax
  cmp    $0x4,%eax
  je     L37
  cmp    $0x4,%eax
  jg     L51
  cmp    $0x1,%eax
  je     L33
  cmp    $0x2,%eax
  je     L34
  jmp    L51
L33:
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  jmp    L69
L34:
  mov    -0x20(%rbp),%rax
  lea    (%rax,%rax,1),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzwl (%rax),%eax
  cwtl
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  jmp    L69
L37:
  mov    -0x20(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  movsd  %xmm0,-0x8(%rbp)
L51:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x8(%rbp)
L69:
  movsd  -0x8(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  pop    %rbp
  ret
```

assistant: ```c
double getsample(void *p, unsigned long n, unsigned short m) {
  double v;
  switch (m) {
  case 1:
    v = (double)(*((char *)p + n));
    break;
  case 2:
    v = (double)*((short *)p + n);
    break;
  case 4:
    v = (double)*((long *)p + n);
  default:
    v = 0.0;
  }
  return (v);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<getsample>:
  endbr64
  cmp    $0x1,%dx
  je     L11
  cmp    $0x2,%dx
  je     L17
  pxor   %xmm0,%xmm0
  ret
L11:
  movsbl (%rdi,%rsi,1),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  ret
L17:
  movswl (%rdi,%rsi,2),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  ret
```

assistant: ```c
double getsample(void *p, unsigned long n, unsigned short m) {
  double v;
  switch (m) {
  case 1:
    v = (double)(*((char *)p + n));
    break;
  case 2:
    v = (double)*((short *)p + n);
    break;
  case 4:
    v = (double)*((long *)p + n);
  default:
    v = 0.0;
  }
  return (v);
}
```
user: What is the c source code of the assembly code below?

```asm
<getsample>:
  endbr64
  cmp    $0x1,%dx
  je     L13
  cmp    $0x2,%dx
  jne    L3
  movswl (%rdi,%rsi,2),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  ret
  nopl   (%rax)
L3:
  pxor   %xmm0,%xmm0
  ret
  nopl   (%rax)
L13:
  movsbl (%rdi,%rsi,1),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  ret
```

assistant: ```c
double getsample(void *p, unsigned long n, unsigned short m) {
  double v;
  switch (m) {
  case 1:
    v = (double)(*((char *)p + n));
    break;
  case 2:
    v = (double)*((short *)p + n);
    break;
  case 4:
    v = (double)*((long *)p + n);
  default:
    v = 0.0;
  }
  return (v);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<getsample>:
  endbr64
  cmp    $0x1,%dx
  je     L8
  cmp    $0x2,%dx
  jne    L7
  movswl (%rdi,%rsi,2),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  ret
  nopl   (%rax)
L7:
  pxor   %xmm0,%xmm0
  ret
  nopl   (%rax)
L8:
  movsbl (%rdi,%rsi,1),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  ret
```

assistant: ```c
double getsample(void *p, unsigned long n, unsigned short m) {
  double v;
  switch (m) {
  case 1:
    v = (double)(*((char *)p + n));
    break;
  case 2:
    v = (double)*((short *)p + n);
    break;
  case 4:
    v = (double)*((long *)p + n);
  default:
    v = 0.0;
  }
  return (v);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<init_scan_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    -0x14(%rbp),%eax
  imul   -0x18(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x20(%rbp),%rax
  movl   $0x1,(%rax)
  mov    -0x20(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    -0x14(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x20(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x20(%rbp),%rax
  add    $0xc,%rax
  mov    -0x14(%rbp),%edx
  add    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x20(%rbp),%rax
  add    $0x10,%rax
  mov    -0x14(%rbp),%edx
  sub    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x20(%rbp),%rax
  add    $0x14,%rax
  mov    -0x4(%rbp),%edx
  add    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x20(%rbp),%rax
  add    $0x18,%rax
  mov    -0x4(%rbp),%edx
  sub    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x20(%rbp),%rax
  add    $0x1c,%rax
  mov    -0x4(%rbp),%ecx
  mov    -0x14(%rbp),%edx
  add    %ecx,%edx
  mov    %edx,(%rax)
  mov    -0x20(%rbp),%rax
  lea    0x20(%rax),%rdx
  mov    -0x4(%rbp),%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x4(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    $0x24,%rax
  add    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x4(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    $0x28,%rax
  sub    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x4(%rbp),%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    $0x2c,%rax
  add    $0x1,%edx
  mov    %edx,(%rax)
  mov    -0x4(%rbp),%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rax
  add    $0x30,%rax
  sub    $0x1,%edx
  mov    %edx,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void init_scan_array(int width, int height, int *neighbor) {
  int planeOffset = width * height;
  neighbor[0] = 1;
  neighbor[1] = width;
  neighbor[2] = planeOffset;
  neighbor[3] = width + 1;
  ;
  neighbor[4] = width - 1;
  neighbor[5] = planeOffset + 1;
  neighbor[6] = planeOffset - 1;
  neighbor[7] = planeOffset + width;
  neighbor[8] = planeOffset - width;
  neighbor[9] = planeOffset + width + 1;
  neighbor[10] = planeOffset + width - 1;
  neighbor[11] = planeOffset - width + 1;
  neighbor[12] = planeOffset - width - 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<init_scan_array>:
  endbr64
  imul   %edi,%esi
  movl   $0x1,(%rdx)
  mov    %edi,0x4(%rdx)
  mov    %esi,0x8(%rdx)
  lea    0x1(%rdi),%eax
  mov    %eax,0xc(%rdx)
  lea    -0x1(%rdi),%eax
  mov    %eax,0x10(%rdx)
  lea    0x1(%rsi),%eax
  mov    %eax,0x14(%rdx)
  lea    -0x1(%rsi),%eax
  mov    %eax,0x18(%rdx)
  lea    (%rdi,%rsi,1),%eax
  mov    %eax,0x1c(%rdx)
  sub    %edi,%esi
  mov    %esi,0x20(%rdx)
  lea    0x1(%rax),%ecx
  mov    %ecx,0x24(%rdx)
  sub    $0x1,%eax
  mov    %eax,0x28(%rdx)
  lea    0x1(%rsi),%eax
  mov    %eax,0x2c(%rdx)
  sub    $0x1,%esi
  mov    %esi,0x30(%rdx)
  ret
```

assistant: ```c
void init_scan_array(int width, int height, int *neighbor) {
  int planeOffset = width * height;
  neighbor[0] = 1;
  neighbor[1] = width;
  neighbor[2] = planeOffset;
  neighbor[3] = width + 1;
  ;
  neighbor[4] = width - 1;
  neighbor[5] = planeOffset + 1;
  neighbor[6] = planeOffset - 1;
  neighbor[7] = planeOffset + width;
  neighbor[8] = planeOffset - width;
  neighbor[9] = planeOffset + width + 1;
  neighbor[10] = planeOffset + width - 1;
  neighbor[11] = planeOffset - width + 1;
  neighbor[12] = planeOffset - width - 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<init_scan_array>:
  endbr64
  imul   %edi,%esi
  lea    0x1(%rdi),%eax
  movl   $0x1,(%rdx)
  mov    %eax,0xc(%rdx)
  lea    -0x1(%rdi),%eax
  mov    %eax,0x10(%rdx)
  lea    0x1(%rsi),%eax
  mov    %esi,0x8(%rdx)
  mov    %eax,0x14(%rdx)
  lea    -0x1(%rsi),%eax
  mov    %eax,0x18(%rdx)
  lea    (%rdi,%rsi,1),%eax
  sub    %edi,%esi
  lea    0x1(%rax),%ecx
  mov    %eax,0x1c(%rdx)
  sub    $0x1,%eax
  mov    %esi,0x20(%rdx)
  mov    %eax,0x28(%rdx)
  lea    0x1(%rsi),%eax
  sub    $0x1,%esi
  mov    %edi,0x4(%rdx)
  mov    %ecx,0x24(%rdx)
  mov    %eax,0x2c(%rdx)
  mov    %esi,0x30(%rdx)
  ret
```

assistant: ```c
void init_scan_array(int width, int height, int *neighbor) {
  int planeOffset = width * height;
  neighbor[0] = 1;
  neighbor[1] = width;
  neighbor[2] = planeOffset;
  neighbor[3] = width + 1;
  ;
  neighbor[4] = width - 1;
  neighbor[5] = planeOffset + 1;
  neighbor[6] = planeOffset - 1;
  neighbor[7] = planeOffset + width;
  neighbor[8] = planeOffset - width;
  neighbor[9] = planeOffset + width + 1;
  neighbor[10] = planeOffset + width - 1;
  neighbor[11] = planeOffset - width + 1;
  neighbor[12] = planeOffset - width - 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<init_scan_array>:
  endbr64
  imul   %edi,%esi
  lea    0x1(%rdi),%eax
  movl   $0x1,(%rdx)
  mov    %eax,0xc(%rdx)
  lea    -0x1(%rdi),%eax
  mov    %eax,0x10(%rdx)
  lea    0x1(%rsi),%eax
  mov    %esi,0x8(%rdx)
  mov    %eax,0x14(%rdx)
  lea    -0x1(%rsi),%eax
  mov    %eax,0x18(%rdx)
  lea    (%rdi,%rsi,1),%eax
  sub    %edi,%esi
  lea    0x1(%rax),%ecx
  mov    %eax,0x1c(%rdx)
  sub    $0x1,%eax
  mov    %esi,0x20(%rdx)
  mov    %eax,0x28(%rdx)
  lea    0x1(%rsi),%eax
  sub    $0x1,%esi
  mov    %edi,0x4(%rdx)
  mov    %ecx,0x24(%rdx)
  mov    %eax,0x2c(%rdx)
  mov    %esi,0x30(%rdx)
  ret
```

assistant: ```c
void init_scan_array(int width, int height, int *neighbor) {
  int planeOffset = width * height;
  neighbor[0] = 1;
  neighbor[1] = width;
  neighbor[2] = planeOffset;
  neighbor[3] = width + 1;
  ;
  neighbor[4] = width - 1;
  neighbor[5] = planeOffset + 1;
  neighbor[6] = planeOffset - 1;
  neighbor[7] = planeOffset + width;
  neighbor[8] = planeOffset - width;
  neighbor[9] = planeOffset + width + 1;
  neighbor[10] = planeOffset + width - 1;
  neighbor[11] = planeOffset - width + 1;
  neighbor[12] = planeOffset - width - 1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<ft_strnstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L64
  mov    -0x18(%rbp),%rax
  jmp    L43
L64:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x1,-0xc(%rbp)
  jmp    L20
L11:
  subq   $0x1,-0x28(%rbp)
  addq   $0x1,-0x18(%rbp)
L20:
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  ja     L48
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L48
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <ft_strncmp@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jne    L11
L48:
  cmpl   $0x0,-0xc(%rbp)
  je     L27
  mov    $0x0,%eax
  jmp    L43
L27:
  mov    -0x18(%rbp),%rax
L43:
  leave
  ret
```

assistant: ```c
char *ft_strnstr(const char *haystack, const char *needle, size_t hlen) {
  size_t nlen;
  int lastresult;
  if (*needle == '\0')
    return ((char *)haystack);
  nlen = ft_strlen(needle);
  lastresult = 1;
  while (nlen <= hlen && *haystack != '\0' && (lastresult = ft_strncmp(haystack, needle, nlen))) {
    hlen--;
    haystack++;
  }
  if (lastresult != 0)
    return (NULL);
  else
    return ((char *)haystack);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ft_strnstr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  cmpb   $0x0,(%rsi)
  jne    L70
L26:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L70:
  mov    %rsi,%r13
  mov    %rdx,%r14
  mov    %rsi,%rdi
  call   <ft_strlen@plt>
  mov    %rax,%r12
  mov    %rbp,%rbx
  mov    $0x1,%eax
  add    %r14,%rbp
  cmp    %r14,%r12
  ja     L67
L34:
  cmpb   $0x0,(%rbx)
  je     L14
  mov    %r12,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <ft_strncmp@plt>
  test   %eax,%eax
  je     L55
  add    $0x1,%rbx
  mov    %rbp,%rdx
  sub    %rbx,%rdx
  cmp    %r12,%rdx
  jae    L34
L67:
  mov    $0x0,%ebp
  jmp    L26
L55:
  mov    %rbx,%rbp
  jmp    L26
L14:
  test   %eax,%eax
  mov    $0x0,%ebp
  cmove  %rbx,%rbp
  jmp    L26
```

assistant: ```c
char *ft_strnstr(const char *haystack, const char *needle, size_t hlen) {
  size_t nlen;
  int lastresult;
  if (*needle == '\0')
    return ((char *)haystack);
  nlen = ft_strlen(needle);
  lastresult = 1;
  while (nlen <= hlen && *haystack != '\0' && (lastresult = ft_strncmp(haystack, needle, nlen))) {
    hlen--;
    haystack++;
  }
  if (lastresult != 0)
    return (NULL);
  else
    return ((char *)haystack);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ft_strnstr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  cmpb   $0x0,(%rsi)
  jne    L37
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L37:
  mov    %rsi,%rdi
  mov    %rdx,%r14
  mov    %rsi,%r13
  mov    %r12,%rbx
  call   <ft_strlen@plt>
  lea    (%r12,%r14,1),%r12
  mov    %rax,%rbp
  cmp    %r14,%rax
  jbe    L19
  jmp    L10
  nop
L14:
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <ft_strncmp@plt>
  test   %eax,%eax
  je     L29
  add    $0x1,%rbx
  mov    %r12,%rax
  sub    %rbx,%rax
  cmp    %rbp,%rax
  jb     L10
L19:
  cmpb   $0x0,(%rbx)
  jne    L14
L10:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L29:
  mov    %rbx,%r12
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *ft_strnstr(const char *haystack, const char *needle, size_t hlen) {
  size_t nlen;
  int lastresult;
  if (*needle == '\0')
    return ((char *)haystack);
  nlen = ft_strlen(needle);
  lastresult = 1;
  while (nlen <= hlen && *haystack != '\0' && (lastresult = ft_strncmp(haystack, needle, nlen))) {
    hlen--;
    haystack++;
  }
  if (lastresult != 0)
    return (NULL);
  else
    return ((char *)haystack);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<ft_strnstr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  cmpb   $0x0,(%rsi)
  jne    L46
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L46:
  mov    %rsi,%rdi
  mov    %rdx,%r14
  mov    %rsi,%r13
  mov    %r12,%rbx
  call   <ft_strlen@plt>
  lea    (%r12,%r14,1),%r12
  mov    %rax,%rbp
  cmp    %r14,%rax
  jbe    L48
  jmp    L34
  nop
L16:
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <ft_strncmp@plt>
  test   %eax,%eax
  je     L39
  add    $0x1,%rbx
  mov    %r12,%rax
  sub    %rbx,%rax
  cmp    %rbp,%rax
  jb     L34
L48:
  cmpb   $0x0,(%rbx)
  jne    L16
L34:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L39:
  mov    %rbx,%r12
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *ft_strnstr(const char *haystack, const char *needle, size_t hlen) {
  size_t nlen;
  int lastresult;
  if (*needle == '\0')
    return ((char *)haystack);
  nlen = ft_strlen(needle);
  lastresult = 1;
  while (nlen <= hlen && *haystack != '\0' && (lastresult = ft_strncmp(haystack, needle, nlen))) {
    hlen--;
    haystack++;
  }
  if (lastresult != 0)
    return (NULL);
  else
    return ((char *)haystack);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<perform_addsub>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
L36:
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <doubles@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <compare_strings@plt>
  test   %eax,%eax
  je     L36
L72:
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x2b,%esi
  mov    %rax,%rdi
  call   <find_character@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x2d,%esi
  mov    %rax,%rdi
  call   <find_character@plt>
  mov    %eax,-0x10(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  jne    L38
  movl   $0xffffffff,-0x10(%rbp)
L38:
  cmpl   $0xffffffff,-0xc(%rbp)
  jne    L42
  cmpl   $0xffffffff,-0x10(%rbp)
  je     L16
L42:
  cmpl   $0xffffffff,-0x10(%rbp)
  jne    L22
  mov    -0x18(%rbp),%rax
  mov    $0x2b,%esi
  mov    %rax,%rdi
  call   <perform_operation@plt>
  mov    %rax,-0x8(%rbp)
  jmp    L9
L22:
  movl   $0xffffffff,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x2d,%esi
  mov    %rax,%rdi
  call   <perform_operation@plt>
  mov    %rax,-0x8(%rbp)
L9:
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <compare_strings@plt>
  test   %eax,%eax
  je     L72
  jmp    L26
L16:
  nop
L26:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *perform_addsub(char buffer[]) {
  char *string = buffer;
  int first_add, first_sub;
  do {
    buffer = string;
    string = doubles(buffer);
  } while (!compare_strings(buffer, string));
  do {
    buffer = string;
    first_add = find_character(buffer, '+');
    first_sub = find_character(buffer, '-');
    if (first_sub == 0)
      first_sub = -1;
    if ((first_add == -1) && (first_sub == -1))
      break;
    if (first_sub == -1)
      string = perform_operation(buffer, '+');
    else if (first_add = -1)
      string = perform_operation(buffer, '-');
    else if (first_add < first_sub)
      string = perform_operation(buffer, '+');
    else
      string = perform_operation(buffer, '-');
  } while (!compare_strings(buffer, string));
  return string;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<perform_addsub>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
L66:
  mov    %rbx,%rbp
  mov    %rbx,%rdi
  call   <doubles@plt>
  mov    %rax,%rbx
  mov    %rax,%rsi
  mov    %rbp,%rdi
  call   <compare_strings@plt>
  test   %eax,%eax
  je     L66
  jmp    L85
L38:
  cmp    $0xffffffff,%eax
  je     L83
  mov    $0x2d,%esi
  mov    %rbx,%rdi
  call   <perform_operation@plt>
  mov    %rax,%rbp
L52:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <compare_strings@plt>
  test   %eax,%eax
  jne    L35
  mov    %rbp,%rbx
L85:
  mov    $0x2b,%esi
  mov    %rbx,%rdi
  call   <find_character@plt>
  mov    %eax,%ebp
  mov    $0x2d,%esi
  mov    %rbx,%rdi
  call   <find_character@plt>
  test   %eax,%eax
  je     L26
  and    %eax,%ebp
  cmp    $0xffffffff,%ebp
  jne    L38
  jmp    L0
L35:
  mov    %rbp,%rbx
L0:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L26:
  cmp    $0xffffffff,%ebp
  je     L0
L83:
  mov    $0x2b,%esi
  mov    %rbx,%rdi
  call   <perform_operation@plt>
  mov    %rax,%rbp
  jmp    L52
```

assistant: ```c
char *perform_addsub(char buffer[]) {
  char *string = buffer;
  int first_add, first_sub;
  do {
    buffer = string;
    string = doubles(buffer);
  } while (!compare_strings(buffer, string));
  do {
    buffer = string;
    first_add = find_character(buffer, '+');
    first_sub = find_character(buffer, '-');
    if (first_sub == 0)
      first_sub = -1;
    if ((first_add == -1) && (first_sub == -1))
      break;
    if (first_sub == -1)
      string = perform_operation(buffer, '+');
    else if (first_add = -1)
      string = perform_operation(buffer, '-');
    else if (first_add < first_sub)
      string = perform_operation(buffer, '+');
    else
      string = perform_operation(buffer, '-');
  } while (!compare_strings(buffer, string));
  return string;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<perform_addsub>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  nopl   0x0(%rax,%rax,1)
L52:
  mov    %rbp,%rdi
  mov    %rbp,%r12
  call   <doubles@plt>
  mov    %r12,%rdi
  mov    %rax,%rsi
  mov    %rax,%rbp
  call   <compare_strings@plt>
  test   %eax,%eax
  je     L52
  jmp    L18
  nop
L13:
  cmp    $0xffffffff,%ebx
  je     L11
L30:
  mov    $0x2b,%esi
  mov    %rbp,%rdi
  call   <perform_operation@plt>
  mov    %rax,%rbx
L76:
  mov    %rbp,%rdi
  mov    %rbx,%rsi
  mov    %rbx,%rbp
  call   <compare_strings@plt>
  test   %eax,%eax
  jne    L11
L18:
  mov    $0x2b,%esi
  mov    %rbp,%rdi
  call   <find_character@plt>
  mov    $0x2d,%esi
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <find_character@plt>
  test   %eax,%eax
  je     L13
  and    %eax,%ebx
  cmp    $0xffffffff,%ebx
  je     L11
  cmp    $0xffffffff,%eax
  je     L30
  mov    $0x2d,%esi
  mov    %rbp,%rdi
  call   <perform_operation@plt>
  mov    %rax,%rbx
  jmp    L76
  nopl   (%rax)
L11:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *perform_addsub(char buffer[]) {
  char *string = buffer;
  int first_add, first_sub;
  do {
    buffer = string;
    string = doubles(buffer);
  } while (!compare_strings(buffer, string));
  do {
    buffer = string;
    first_add = find_character(buffer, '+');
    first_sub = find_character(buffer, '-');
    if (first_sub == 0)
      first_sub = -1;
    if ((first_add == -1) && (first_sub == -1))
      break;
    if (first_sub == -1)
      string = perform_operation(buffer, '+');
    else if (first_add = -1)
      string = perform_operation(buffer, '-');
    else if (first_add < first_sub)
      string = perform_operation(buffer, '+');
    else
      string = perform_operation(buffer, '-');
  } while (!compare_strings(buffer, string));
  return string;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<perform_addsub>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  nopl   0x0(%rax,%rax,1)
L62:
  mov    %rbp,%rdi
  mov    %rbp,%r12
  call   <doubles@plt>
  mov    %r12,%rdi
  mov    %rax,%rsi
  mov    %rax,%rbp
  call   <compare_strings@plt>
  test   %eax,%eax
  je     L62
  jmp    L45
  nop
L78:
  cmp    $0xffffffff,%ebx
  je     L64
L68:
  mov    $0x2b,%esi
  mov    %rbp,%rdi
  call   <perform_operation@plt>
  mov    %rax,%rbx
L59:
  mov    %rbp,%rdi
  mov    %rbx,%rsi
  mov    %rbx,%rbp
  call   <compare_strings@plt>
  test   %eax,%eax
  jne    L64
L45:
  mov    $0x2b,%esi
  mov    %rbp,%rdi
  call   <find_character@plt>
  mov    $0x2d,%esi
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <find_character@plt>
  test   %eax,%eax
  je     L78
  and    %eax,%ebx
  cmp    $0xffffffff,%ebx
  je     L64
  cmp    $0xffffffff,%eax
  je     L68
  mov    $0x2d,%esi
  mov    %rbp,%rdi
  call   <perform_operation@plt>
  mov    %rax,%rbx
  jmp    L59
  nopl   (%rax)
L64:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *perform_addsub(char buffer[]) {
  char *string = buffer;
  int first_add, first_sub;
  do {
    buffer = string;
    string = doubles(buffer);
  } while (!compare_strings(buffer, string));
  do {
    buffer = string;
    first_add = find_character(buffer, '+');
    first_sub = find_character(buffer, '-');
    if (first_sub == 0)
      first_sub = -1;
    if ((first_add == -1) && (first_sub == -1))
      break;
    if (first_sub == -1)
      string = perform_operation(buffer, '+');
    else if (first_add = -1)
      string = perform_operation(buffer, '-');
    else if (first_add < first_sub)
      string = perform_operation(buffer, '+');
    else
      string = perform_operation(buffer, '-');
  } while (!compare_strings(buffer, string));
  return string;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fnReadArray>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%esi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movl   $0x0,-0x4(%rbp)
  jmp    L11
L12:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  addl   $0x1,-0x4(%rbp)
L11:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L12
  nop
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D16
datatype: string
name: retrieve_data
arguments: label: D0
datatype: string

tool: D16: 
Enter %d elements into the array


tool: D0: %d

assistant: ```c
void fnReadArray(int A[], int n) {
  int i;
  printf("\nEnter %d elements into the array\n", n);
  for (i = 0; i < n; i++)
    scanf("%d", &A[i]);
}
```