ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 这段汇编代码用C语言表示是什么样的？

```asm
<stristr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmpb   $0x0,(%rdi)
  je     L45
  movzbl (%rsi),%r13d
  mov    %rdi,%r12
  mov    %rsi,%rbp
  nopl   0x0(%rax)
L19:
  test   %r13b,%r13b
  je     L40
  movsbl %r13b,%edi
  xor    %r15d,%r15d
  jmp    L59
  cs nopw 0x0(%rax,%rax,1)
L26:
  call   <toupper@plt>
  movsbl %bl,%edi
  mov    %eax,%r14d
  call   <toupper@plt>
  cmp    %eax,%r14d
  jne    L7
  add    $0x1,%r15
  movsbl 0x0(%rbp,%r15,1),%edi
  test   %dil,%dil
  je     L40
L59:
  movzbl (%r12,%r15,1),%ebx
  test   %bl,%bl
  jne    L26
L7:
  add    $0x1,%r12
  cmpb   $0x0,(%r12)
  jne    L19
L45:
  xor    %r12d,%r12d
L40:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
char *stristr(char *str, char *charset) {
  int i;
  while (*str) {
    for (i = 0; charset[i] && str[i]; i++)
      if (toupper(charset[i]) != toupper(str[i]))
        break;
    if (!charset[i])
      return str;
    str++;
  }
  return ((void *)0);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<stristr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmpb   $0x0,(%rdi)
  je     L60
  movzbl (%rsi),%r13d
  mov    %rdi,%r12
  mov    %rsi,%rbp
  nopl   0x0(%rax)
L3:
  test   %r13b,%r13b
  je     L59
  movsbl %r13b,%edi
  xor    %r15d,%r15d
  jmp    L28
  cs nopw 0x0(%rax,%rax,1)
L11:
  call   <toupper@plt>
  movsbl %bl,%edi
  mov    %eax,%r14d
  call   <toupper@plt>
  cmp    %eax,%r14d
  jne    L42
  add    $0x1,%r15
  movsbl 0x0(%rbp,%r15,1),%edi
  test   %dil,%dil
  je     L59
L28:
  movzbl (%r12,%r15,1),%ebx
  test   %bl,%bl
  jne    L11
L42:
  add    $0x1,%r12
  cmpb   $0x0,(%r12)
  jne    L3
L60:
  xor    %r12d,%r12d
L59:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
char *stristr(char *str, char *charset) {
  int i;
  while (*str) {
    for (i = 0; charset[i] && str[i]; i++)
      if (toupper(charset[i]) != toupper(str[i]))
        break;
    if (!charset[i])
      return str;
    str++;
  }
  return ((void *)0);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<NF_WritePage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    %rcx,-0x28(%rbp)
  mov    -0x14(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    $0x0,%eax
  call   <NF_nFCE_L@plt>
  mov    $0x0,%edi
  call   <NF_CMD@plt>
  mov    $0x80,%edi
  call   <NF_CMD@plt>
  mov    $0x0,%edi
  call   <NF_ADDR@plt>
  mov    -0xc(%rbp),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <NF_ADDR@plt>
  mov    -0xc(%rbp),%eax
  shr    $0x8,%eax
  and    $0x7f,%eax
  mov    %eax,%edi
  call   <NF_ADDR@plt>
  movl   $0x0,-0x10(%rbp)
  jmp    L3
L33:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <NF_WRDATA@plt>
  addl   $0x1,-0x10(%rbp)
L3:
  cmpl   $0x1ff,-0x10(%rbp)
  jle    L33
  cmpq   $0x0,-0x28(%rbp)
  je     L47
  movl   $0x0,-0x10(%rbp)
  jmp    L42
L58:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <NF_WRDATA@plt>
  addl   $0x1,-0x10(%rbp)
L42:
  cmpl   $0xf,-0x10(%rbp)
  jle    L58
L47:
  mov    $0x10,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  mov    $0x0,%eax
  call   <NF_WAITRB@plt>
  mov    $0x70,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  mov    $0x0,%eax
  call   <NF_RDDATA@plt>
  and    $0x1,%eax
  test   %eax,%eax
  je     L35
  mov    $0x0,%eax
  call   <NF_nFCE_H@plt>
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <NF_MarkBadBlock@plt>
  mov    $0x3,%eax
  jmp    L50
L35:
  mov    $0x0,%eax
  call   <NF_nFCE_H@plt>
  mov    $0x0,%eax
L50:
  leave
  ret
```

assistant: ```c
int NF_WritePage(unsigned int block, unsigned int page, unsigned char *buffer, unsigned char *spareBuf) {
  int i;
  unsigned int blockPage = (block << 5) + page;
  unsigned char *bufPt = buffer;
  NF_nFCE_L();
  NF_CMD(0x0);
  NF_CMD(0x80);
  NF_ADDR(0);
  NF_ADDR(blockPage & 0xff);
  NF_ADDR((blockPage >> 8) & 0x7f);
  for (i = 0; i < 512; i++) {
    NF_WRDATA(*bufPt++);
  }
  if (spareBuf != NULL) {
    for (i = 0; i < 16; i++) {
      NF_WRDATA(spareBuf[i]);
    }
  }
  NF_CMD(0x10);
  Delay(1);
  NF_WAITRB();
  NF_CMD(0x70);
  Delay(1);
  if (NF_RDDATA() & 0x1) {
    NF_nFCE_H();
    NF_MarkBadBlock(block);
    return 3;
  } else {
    NF_nFCE_H();
    return 0;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<NF_WritePage>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%r12d
  mov    %rdx,%rbx
  mov    %rcx,%r13
  mov    %edi,%ebp
  shl    $0x5,%ebp
  add    %esi,%ebp
  mov    $0x0,%eax
  call   <NF_nFCE_L@plt>
  mov    $0x0,%edi
  call   <NF_CMD@plt>
  mov    $0x80,%edi
  call   <NF_CMD@plt>
  mov    $0x0,%edi
  call   <NF_ADDR@plt>
  movzbl %bpl,%edi
  call   <NF_ADDR@plt>
  mov    %ebp,%edi
  shr    $0x8,%edi
  and    $0x7f,%edi
  call   <NF_ADDR@plt>
  lea    0x200(%rbx),%rbp
L15:
  add    $0x1,%rbx
  movzbl -0x1(%rbx),%edi
  call   <NF_WRDATA@plt>
  cmp    %rbp,%rbx
  jne    L15
  test   %r13,%r13
  je     L35
  mov    %r13,%rbx
  add    $0x10,%r13
L29:
  movzbl (%rbx),%edi
  call   <NF_WRDATA@plt>
  add    $0x1,%rbx
  cmp    %r13,%rbx
  jne    L29
L35:
  mov    $0x10,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  mov    $0x0,%eax
  call   <NF_WAITRB@plt>
  mov    $0x70,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  mov    $0x0,%eax
  call   <NF_RDDATA@plt>
  and    $0x1,%eax
  mov    %eax,%ebx
  jne    L47
  mov    $0x0,%eax
  call   <NF_nFCE_H@plt>
L27:
  mov    %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L47:
  mov    $0x0,%eax
  call   <NF_nFCE_H@plt>
  mov    %r12d,%edi
  call   <NF_MarkBadBlock@plt>
  mov    $0x3,%ebx
  jmp    L27
```

assistant: ```c
int NF_WritePage(unsigned int block, unsigned int page, unsigned char *buffer, unsigned char *spareBuf) {
  int i;
  unsigned int blockPage = (block << 5) + page;
  unsigned char *bufPt = buffer;
  NF_nFCE_L();
  NF_CMD(0x0);
  NF_CMD(0x80);
  NF_ADDR(0);
  NF_ADDR(blockPage & 0xff);
  NF_ADDR((blockPage >> 8) & 0x7f);
  for (i = 0; i < 512; i++) {
    NF_WRDATA(*bufPt++);
  }
  if (spareBuf != NULL) {
    for (i = 0; i < 16; i++) {
      NF_WRDATA(spareBuf[i]);
    }
  }
  NF_CMD(0x10);
  Delay(1);
  NF_WAITRB();
  NF_CMD(0x70);
  Delay(1);
  if (NF_RDDATA() & 0x1) {
    NF_nFCE_H();
    NF_MarkBadBlock(block);
    return 3;
  } else {
    NF_nFCE_H();
    return 0;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<NF_WritePage>:
  endbr64
  push   %r13
  xor    %eax,%eax
  mov    %rcx,%r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  shl    $0x5,%ebp
  mov    %rdx,%rbx
  add    %esi,%ebp
  sub    $0x8,%rsp
  call   <NF_nFCE_L@plt>
  xor    %edi,%edi
  call   <NF_CMD@plt>
  mov    $0x80,%edi
  call   <NF_CMD@plt>
  xor    %edi,%edi
  call   <NF_ADDR@plt>
  movzbl %bpl,%edi
  call   <NF_ADDR@plt>
  mov    %ebp,%edi
  lea    0x200(%rbx),%rbp
  shr    $0x8,%edi
  and    $0x7f,%edi
  call   <NF_ADDR@plt>
  nopw   0x0(%rax,%rax,1)
L4:
  movzbl (%rbx),%edi
  add    $0x1,%rbx
  call   <NF_WRDATA@plt>
  cmp    %rbp,%rbx
  jne    L4
  test   %r13,%r13
  je     L13
  lea    0x10(%r13),%rbp
  nopw   0x0(%rax,%rax,1)
L27:
  movzbl 0x0(%r13),%edi
  add    $0x1,%r13
  call   <NF_WRDATA@plt>
  cmp    %rbp,%r13
  jne    L27
L13:
  mov    $0x10,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  xor    %eax,%eax
  call   <NF_WAITRB@plt>
  mov    $0x70,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  xor    %eax,%eax
  call   <NF_RDDATA@plt>
  and    $0x1,%eax
  mov    %eax,%r13d
  mov    $0x0,%eax
  jne    L22
  call   <NF_nFCE_H@plt>
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L22:
  call   <NF_nFCE_H@plt>
  mov    %r12d,%edi
  mov    $0x3,%r13d
  call   <NF_MarkBadBlock@plt>
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int NF_WritePage(unsigned int block, unsigned int page, unsigned char *buffer, unsigned char *spareBuf) {
  int i;
  unsigned int blockPage = (block << 5) + page;
  unsigned char *bufPt = buffer;
  NF_nFCE_L();
  NF_CMD(0x0);
  NF_CMD(0x80);
  NF_ADDR(0);
  NF_ADDR(blockPage & 0xff);
  NF_ADDR((blockPage >> 8) & 0x7f);
  for (i = 0; i < 512; i++) {
    NF_WRDATA(*bufPt++);
  }
  if (spareBuf != NULL) {
    for (i = 0; i < 16; i++) {
      NF_WRDATA(spareBuf[i]);
    }
  }
  NF_CMD(0x10);
  Delay(1);
  NF_WAITRB();
  NF_CMD(0x70);
  Delay(1);
  if (NF_RDDATA() & 0x1) {
    NF_nFCE_H();
    NF_MarkBadBlock(block);
    return 3;
  } else {
    NF_nFCE_H();
    return 0;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<NF_WritePage>:
  endbr64
  push   %r13
  xor    %eax,%eax
  mov    %rcx,%r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  shl    $0x5,%ebp
  mov    %rdx,%rbx
  add    %esi,%ebp
  sub    $0x8,%rsp
  call   <NF_nFCE_L@plt>
  xor    %edi,%edi
  call   <NF_CMD@plt>
  mov    $0x80,%edi
  call   <NF_CMD@plt>
  xor    %edi,%edi
  call   <NF_ADDR@plt>
  movzbl %bpl,%edi
  call   <NF_ADDR@plt>
  mov    %ebp,%edi
  lea    0x200(%rbx),%rbp
  shr    $0x8,%edi
  and    $0x7f,%edi
  call   <NF_ADDR@plt>
  nopw   0x0(%rax,%rax,1)
L38:
  movzbl (%rbx),%edi
  add    $0x1,%rbx
  call   <NF_WRDATA@plt>
  cmp    %rbx,%rbp
  jne    L38
  test   %r13,%r13
  je     L0
  lea    0x10(%r13),%rbp
  nopw   0x0(%rax,%rax,1)
L29:
  movzbl 0x0(%r13),%edi
  add    $0x1,%r13
  call   <NF_WRDATA@plt>
  cmp    %r13,%rbp
  jne    L29
L0:
  mov    $0x10,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  xor    %eax,%eax
  call   <NF_WAITRB@plt>
  mov    $0x70,%edi
  call   <NF_CMD@plt>
  mov    $0x1,%edi
  call   <Delay@plt>
  xor    %eax,%eax
  call   <NF_RDDATA@plt>
  and    $0x1,%eax
  mov    %eax,%r13d
  mov    $0x0,%eax
  jne    L37
  call   <NF_nFCE_H@plt>
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L37:
  call   <NF_nFCE_H@plt>
  mov    %r12d,%edi
  mov    $0x3,%r13d
  call   <NF_MarkBadBlock@plt>
  add    $0x8,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int NF_WritePage(unsigned int block, unsigned int page, unsigned char *buffer, unsigned char *spareBuf) {
  int i;
  unsigned int blockPage = (block << 5) + page;
  unsigned char *bufPt = buffer;
  NF_nFCE_L();
  NF_CMD(0x0);
  NF_CMD(0x80);
  NF_ADDR(0);
  NF_ADDR(blockPage & 0xff);
  NF_ADDR((blockPage >> 8) & 0x7f);
  for (i = 0; i < 512; i++) {
    NF_WRDATA(*bufPt++);
  }
  if (spareBuf != NULL) {
    for (i = 0; i < 16; i++) {
      NF_WRDATA(spareBuf[i]);
    }
  }
  NF_CMD(0x10);
  Delay(1);
  NF_WAITRB();
  NF_CMD(0x70);
  Delay(1);
  if (NF_RDDATA() & 0x1) {
    NF_nFCE_H();
    NF_MarkBadBlock(block);
    return 3;
  } else {
    NF_nFCE_H();
    return 0;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<colLeft>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x14(%rbp)
  mov    %al,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  movsbl -0x18(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L23
L24:
  movzbl -0x14(%rbp),%eax
  sub    $0x1,%eax
  movsbl %al,%eax
  mov    -0x8(%rbp),%edx
  mov    %edx,%esi
  mov    %eax,%edi
  call   <getPixel1@plt>
  test   %rax,%rax
  je     L36
  addl   $0x1,-0x4(%rbp)
L36:
  addl   $0x1,-0x8(%rbp)
L23:
  movsbl -0x18(%rbp),%eax
  add    $0x7,%eax
  cmp    %eax,-0x8(%rbp)
  jle    L24
  cmpl   $0x0,-0x4(%rbp)
  jne    L31
  mov    $0x0,%eax
  jmp    L12
L31:
  movzbl -0x18(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %al,%al
  cmovs  %edx,%eax
  sar    $0x3,%al
  mov    %al,-0x18(%rbp)
  movzbl -0x14(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %al,%al
  cmovs  %edx,%eax
  sar    $0x3,%al
  mov    %al,-0x14(%rbp)
  movsbl -0x18(%rbp),%edx
  movzbl -0x14(%rbp),%eax
  sub    $0x1,%eax
  movsbl %al,%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <whatsAt@plt>
L12:
  leave
  ret
```

assistant: ```c
int colLeft(char x, char y) {
  int i;
  int flag = 0;
  for (i = y; i < (y + 8); i++) {
    if (getPixel1((x - 1), i)) {
      flag++;
    }
  }
  if (flag == 0) {
    return 0;
  } else {
    y /= 8;
    x /= 8;
    return whatsAt((x - 1), y);
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<colLeft>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%r14d
  mov    %esi,%r15d
  movsbl %sil,%ebx
  lea    0x8(%rbx),%r13d
  mov    $0x0,%ebp
  lea    -0x1(%rdi),%r12d
  movsbl %r12b,%r12d
L28:
  mov    %ebx,%esi
  mov    %r12d,%edi
  call   <getPixel1@plt>
  cmp    $0x1,%rax
  sbb    $0xffffffff,%ebp
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L28
  test   %ebp,%ebp
  jne    L12
L20:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L12:
  lea    0x7(%r15),%esi
  test   %r15b,%r15b
  cmovns %r15d,%esi
  sar    $0x3,%sil
  movsbl %sil,%esi
  lea    0x7(%r14),%edi
  test   %r14b,%r14b
  cmovns %r14d,%edi
  sar    $0x3,%dil
  sub    $0x1,%edi
  movsbl %dil,%edi
  call   <whatsAt@plt>
  mov    %eax,%ebp
  jmp    L20
```

assistant: ```c
int colLeft(char x, char y) {
  int i;
  int flag = 0;
  for (i = y; i < (y + 8); i++) {
    if (getPixel1((x - 1), i)) {
      flag++;
    }
  }
  if (flag == 0) {
    return 0;
  } else {
    y /= 8;
    x /= 8;
    return whatsAt((x - 1), y);
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<colLeft>:
  endbr64
  push   %r15
  mov    %esi,%r15d
  push   %r14
  mov    %edi,%r14d
  push   %r13
  push   %r12
  lea    -0x1(%rdi),%r12d
  push   %rbp
  movsbl %r12b,%r12d
  xor    %ebp,%ebp
  push   %rbx
  movsbl %sil,%ebx
  lea    0x8(%rbx),%r13d
  sub    $0x8,%rsp
  nopw   0x0(%rax,%rax,1)
L1:
  mov    %ebx,%esi
  mov    %r12d,%edi
  call   <getPixel1@plt>
  cmp    $0x1,%rax
  sbb    $0xffffffff,%ebp
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L1
  test   %ebp,%ebp
  jne    L17
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L17:
  test   %r15b,%r15b
  lea    0x7(%r15),%esi
  lea    0x7(%r14),%edi
  cmovns %r15d,%esi
  sar    $0x3,%sil
  test   %r14b,%r14b
  cmovns %r14d,%edi
  add    $0x8,%rsp
  movsbl %sil,%esi
  pop    %rbx
  pop    %rbp
  sar    $0x3,%dil
  pop    %r12
  pop    %r13
  sub    $0x1,%edi
  pop    %r14
  pop    %r15
  movsbl %dil,%edi
  jmp    1070 <whatsAt@plt>
```

assistant: ```c
int colLeft(char x, char y) {
  int i;
  int flag = 0;
  for (i = y; i < (y + 8); i++) {
    if (getPixel1((x - 1), i)) {
      flag++;
    }
  }
  if (flag == 0) {
    return 0;
  } else {
    y /= 8;
    x /= 8;
    return whatsAt((x - 1), y);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<colLeft>:
  endbr64
  push   %r15
  mov    %esi,%r15d
  push   %r14
  mov    %edi,%r14d
  push   %r13
  push   %r12
  lea    -0x1(%rdi),%r12d
  push   %rbp
  movsbl %r12b,%r12d
  xor    %ebp,%ebp
  push   %rbx
  movsbl %sil,%ebx
  lea    0x8(%rbx),%r13d
  sub    $0x8,%rsp
  nopw   0x0(%rax,%rax,1)
L12:
  mov    %ebx,%esi
  mov    %r12d,%edi
  call   <getPixel1@plt>
  cmp    $0x1,%rax
  sbb    $0xffffffff,%ebp
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L12
  test   %ebp,%ebp
  jne    L14
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L14:
  test   %r15b,%r15b
  lea    0x7(%r15),%esi
  lea    0x7(%r14),%edi
  cmovns %r15d,%esi
  sar    $0x3,%sil
  test   %r14b,%r14b
  cmovns %r14d,%edi
  add    $0x8,%rsp
  movsbl %sil,%esi
  pop    %rbx
  pop    %rbp
  sar    $0x3,%dil
  pop    %r12
  pop    %r13
  sub    $0x1,%edi
  pop    %r14
  pop    %r15
  movsbl %dil,%edi
  jmp    1070 <whatsAt@plt>
```

assistant: ```c
int colLeft(char x, char y) {
  int i;
  int flag = 0;
  for (i = y; i < (y + 8); i++) {
    if (getPixel1((x - 1), i)) {
      flag++;
    }
  }
  if (flag == 0) {
    return 0;
  } else {
    y /= 8;
    x /= 8;
    return whatsAt((x - 1), y);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<is_option>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L28
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  test   %eax,%eax
  je     L35
  cmp    $0x2d,%eax
  je     L25
  jmp    L42
L35:
  mov    $0x0,%eax
  jmp    L22
L25:
  mov    $0x2,%eax
  jmp    L22
L42:
  mov    $0x1,%eax
  jmp    L22
L28:
  mov    $0x0,%eax
L22:
  pop    %rbp
  ret
```

assistant: ```c
int is_option(char *arg) {
  if (arg[0] == '-') {
    switch (arg[1]) {
    case 0:
      return 0;
    case '-':
      return 2;
    default:
      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_option>:
  endbr64
  mov    $0x0,%eax
  cmpb   $0x2d,(%rdi)
  je     L0
L20:
  ret
L0:
  movzbl 0x1(%rdi),%edx
  test   %dl,%dl
  je     L20
  cmp    $0x2d,%dl
  sete   %al
  movzbl %al,%eax
  add    $0x1,%eax
  jmp    L20
```

assistant: ```c
int is_option(char *arg) {
  if (arg[0] == '-') {
    switch (arg[1]) {
    case 0:
      return 0;
    case '-':
      return 2;
    default:
      return 1;
    }
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<is_option>:
  endbr64
  xor    %eax,%eax
  cmpb   $0x2d,(%rdi)
  je     L15
L8:
  ret
  nopl   0x0(%rax)
L15:
  movzbl 0x1(%rdi),%edx
  test   %dl,%dl
  je     L8
  xor    %eax,%eax
  cmp    $0x2d,%dl
  sete   %al
  add    $0x1,%eax
  ret
```

assistant: ```c
int is_option(char *arg) {
  if (arg[0] == '-') {
    switch (arg[1]) {
    case 0:
      return 0;
    case '-':
      return 2;
    default:
      return 1;
    }
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<is_option>:
  endbr64
  xor    %eax,%eax
  cmpb   $0x2d,(%rdi)
  je     L1
L9:
  ret
  nopl   0x0(%rax)
L1:
  movzbl 0x1(%rdi),%edx
  test   %dl,%dl
  je     L9
  xor    %eax,%eax
  cmp    $0x2d,%dl
  sete   %al
  add    $0x1,%eax
  ret
```

assistant: ```c
int is_option(char *arg) {
  if (arg[0] == '-') {
    switch (arg[1]) {
    case 0:
      return 0;
    case '-':
      return 2;
    default:
      return 1;
    }
  }
  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
<transpose_vecs_128>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpacklo_epi32@plt>
  mov    %eax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpackhi_epi32@plt>
  mov    %eax,-0x1c(%rbp)
  mov    -0x28(%rbp),%rax
  add    $0xc,%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpacklo_epi32@plt>
  mov    %eax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  add    $0xc,%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpackhi_epi32@plt>
  mov    %eax,-0x14(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpacklo_epi64@plt>
  mov    %eax,-0x10(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpackhi_epi64@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x14(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpacklo_epi64@plt>
  mov    %eax,-0x8(%rbp)
  mov    -0x14(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <_mm_unpackhi_epi64@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x28(%rbp),%rax
  mov    -0x10(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x28(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    -0xc(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x28(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    -0x8(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x28(%rbp),%rax
  lea    0xc(%rax),%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,(%rdx)
  nop
  leave
  ret
```

assistant: ```c
__attribute__((always_)) void transpose_vecs_128(__m128i vecs[4]) {
  __m128i ab_01 = _mm_unpacklo_epi32(vecs[0], vecs[1]);
  __m128i ab_23 = _mm_unpackhi_epi32(vecs[0], vecs[1]);
  __m128i cd_01 = _mm_unpacklo_epi32(vecs[2], vecs[3]);
  __m128i cd_23 = _mm_unpackhi_epi32(vecs[2], vecs[3]);
  __m128i abcd_0 = _mm_unpacklo_epi64(ab_01, cd_01);
  __m128i abcd_1 = _mm_unpackhi_epi64(ab_01, cd_01);
  __m128i abcd_2 = _mm_unpacklo_epi64(ab_23, cd_23);
  __m128i abcd_3 = _mm_unpackhi_epi64(ab_23, cd_23);
  vecs[0] = abcd_0;
  vecs[1] = abcd_1;
  vecs[2] = abcd_2;
  vecs[3] = abcd_3;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<transpose_vecs_128>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    0x4(%rdi),%esi
  mov    (%rdi),%edi
  call   <_mm_unpacklo_epi32@plt>
  mov    %eax,%r13d
  mov    0x4(%rbx),%esi
  mov    (%rbx),%edi
  call   <_mm_unpackhi_epi32@plt>
  mov    %eax,%ebp
  mov    0xc(%rbx),%esi
  mov    0x8(%rbx),%edi
  call   <_mm_unpacklo_epi32@plt>
  mov    %eax,%r14d
  mov    0xc(%rbx),%esi
  mov    0x8(%rbx),%edi
  call   <_mm_unpackhi_epi32@plt>
  mov    %eax,%r12d
  mov    %r14d,%esi
  mov    %r13d,%edi
  call   <_mm_unpacklo_epi64@plt>
  mov    %eax,%r15d
  mov    %r14d,%esi
  mov    %r13d,%edi
  call   <_mm_unpackhi_epi64@plt>
  mov    %eax,%r14d
  mov    %r12d,%esi
  mov    %ebp,%edi
  call   <_mm_unpacklo_epi64@plt>
  mov    %eax,%r13d
  mov    %r12d,%esi
  mov    %ebp,%edi
  call   <_mm_unpackhi_epi64@plt>
  mov    %r15d,(%rbx)
  mov    %r14d,0x4(%rbx)
  mov    %r13d,0x8(%rbx)
  mov    %eax,0xc(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
__attribute__((always_)) void transpose_vecs_128(__m128i vecs[4]) {
  __m128i ab_01 = _mm_unpacklo_epi32(vecs[0], vecs[1]);
  __m128i ab_23 = _mm_unpackhi_epi32(vecs[0], vecs[1]);
  __m128i cd_01 = _mm_unpacklo_epi32(vecs[2], vecs[3]);
  __m128i cd_23 = _mm_unpackhi_epi32(vecs[2], vecs[3]);
  __m128i abcd_0 = _mm_unpacklo_epi64(ab_01, cd_01);
  __m128i abcd_1 = _mm_unpackhi_epi64(ab_01, cd_01);
  __m128i abcd_2 = _mm_unpacklo_epi64(ab_23, cd_23);
  __m128i abcd_3 = _mm_unpackhi_epi64(ab_23, cd_23);
  vecs[0] = abcd_0;
  vecs[1] = abcd_1;
  vecs[2] = abcd_2;
  vecs[3] = abcd_3;
}
```