ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码:

```asm
<fct_dotted_line_start>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x130,%rsp
  mov    %rdi,-0x128(%rbp)
  mov    %rsi,-0x130(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x120(%rbp)
  movq   $0x0,-0x118(%rbp)
  mov    -0x128(%rbp),%rax
  mov    %eax,%edx
  lea    -0x110(%rbp),%rax
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x130(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x120(%rbp)
  mov    -0x128(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x120(%rbp),%rax
  cmp    %rdx,%rax
  cmova  %rdx,%rax
  mov    %rax,-0x118(%rbp)
  mov    -0x118(%rbp),%rax
  mov    %eax,%edx
  mov    -0x130(%rbp),%rcx
  lea    -0x110(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x128(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rax,-0x120(%rbp)
  jae    L15
  lea    -0x110(%rbp),%rdx
  mov    -0x120(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
L15:
  mov    -0x128(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,-0x110(%rbp,%rax,1)
  mov    D4(%rip),%rax
  mov    (%rax),%edx
  lea    -0x110(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <fputs@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

assistant: ```c
void fct_dotted_line_start(size_t maxwidth, char const *startwith) {
  char line[256];
  size_t len = 0;
  size_t line_len = 0;
  memset(line, '.', sizeof(char) * maxwidth);
  len = strlen(startwith);
  line_len = (maxwidth - 1 < len) ? (maxwidth - 1) : (len);
  memcpy(line, startwith, sizeof(char) * line_len);
  if (len < maxwidth - 1) {
    line[len] = ' ';
  }
  line[maxwidth - 1] = '\0';
  fputs(line, stdout);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fct_dotted_line_start>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x118,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  mov    %edi,%edx
  mov    $0x2e,%esi
  mov    %r13,%rdi
  call   <memset@plt>
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %rax,%rbp
  sub    $0x1,%rbx
  cmp    %rax,%rbx
  cmovbe %rbx,%rax
  mov    %rax,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <memcpy@plt>
  cmp    %rbp,%rbx
  jbe    L15
  movb   $0x20,(%rsp,%rbp,1)
L15:
  movb   $0x0,(%rsp,%rbx,1)
  mov    %rsp,%rdi
  mov    D6(%rip),%rax
  mov    (%rax),%esi
  call   <fputs@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  add    $0x118,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void fct_dotted_line_start(size_t maxwidth, char const *startwith) {
  char line[256];
  size_t len = 0;
  size_t line_len = 0;
  memset(line, '.', sizeof(char) * maxwidth);
  len = strlen(startwith);
  line_len = (maxwidth - 1 < len) ? (maxwidth - 1) : (len);
  memcpy(line, startwith, sizeof(char) * line_len);
  if (len < maxwidth - 1) {
    line[len] = ' ';
  }
  line[maxwidth - 1] = '\0';
  fputs(line, stdout);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fct_dotted_line_start>:
  endbr64
  push   %r13
  mov    %edi,%edx
  push   %r12
  mov    %rsi,%r12
  mov    $0x2e,%esi
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x1,%rbx
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  mov    %r13,%rdi
  call   <memset@plt>
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %r13,%rdi
  cmp    %rax,%rbx
  mov    %rax,%rbp
  cmovbe %rbx,%rax
  mov    %rax,%rdx
  call   <memcpy@plt>
  cmp    %rbp,%rbx
  jbe    L17
  movb   $0x20,(%rsp,%rbp,1)
L17:
  mov    D5(%rip),%rax
  mov    %r13,%rdi
  movb   $0x0,(%rsp,%rbx,1)
  mov    (%rax),%esi
  call   <fputs@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L19
  add    $0x118,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L19:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void fct_dotted_line_start(size_t maxwidth, char const *startwith) {
  char line[256];
  size_t len = 0;
  size_t line_len = 0;
  memset(line, '.', sizeof(char) * maxwidth);
  len = strlen(startwith);
  line_len = (maxwidth - 1 < len) ? (maxwidth - 1) : (len);
  memcpy(line, startwith, sizeof(char) * line_len);
  if (len < maxwidth - 1) {
    line[len] = ' ';
  }
  line[maxwidth - 1] = '\0';
  fputs(line, stdout);
}
```
user: What is the c source code of the assembly code below?

```asm
<fct_dotted_line_start>:
  endbr64
  push   %r13
  mov    %edi,%edx
  push   %r12
  mov    %rsi,%r12
  mov    $0x2e,%esi
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x1,%rbx
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  mov    %r13,%rdi
  call   <memset@plt>
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %r13,%rdi
  cmp    %rax,%rbx
  mov    %rax,%rbp
  cmovbe %rbx,%rax
  mov    %rax,%rdx
  call   <memcpy@plt>
  cmp    %rbp,%rbx
  jbe    L2
  movb   $0x20,(%rsp,%rbp,1)
L2:
  mov    D0(%rip),%rax
  mov    %r13,%rdi
  movb   $0x0,(%rsp,%rbx,1)
  mov    (%rax),%esi
  call   <fputs@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x118,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void fct_dotted_line_start(size_t maxwidth, char const *startwith) {
  char line[256];
  size_t len = 0;
  size_t line_len = 0;
  memset(line, '.', sizeof(char) * maxwidth);
  len = strlen(startwith);
  line_len = (maxwidth - 1 < len) ? (maxwidth - 1) : (len);
  memcpy(line, startwith, sizeof(char) * line_len);
  if (len < maxwidth - 1) {
    line[len] = ' ';
  }
  line[maxwidth - 1] = '\0';
  fputs(line, stdout);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strrstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    -0x8(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L21
L31:
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L19
  mov    -0x10(%rbp),%rax
  jmp    L10
L19:
  subq   $0x1,-0x10(%rbp)
L21:
  mov    -0x10(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jae    L31
  mov    $0x0,%eax
L10:
  leave
  ret
```

assistant: ```c
extern char *strrstr(const char *str, const char *substr) {
  const size_t length = strlen(substr);
  const char *p;
  for (p = str + strlen(str) - length; p >= str; --p)
    if (strncmp(p, substr, length) == 0)
      return (char *)p;
  return NULL;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strrstr>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r13
  mov    %rsi,%rdi
  call   <strlen@plt>
  mov    %rax,%r12
  mov    %rbp,%rdi
  call   <strlen@plt>
  sub    %r12,%rax
  mov    %rax,%rbx
  add    %rbp,%rbx
  jb     L21
L39:
  mov    %r12,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  je     L22
  sub    $0x1,%rbx
  cmp    %rbx,%rbp
  jbe    L39
  mov    $0x0,%ebx
L22:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L21:
  mov    $0x0,%ebx
  jmp    L22
```

assistant: ```c
extern char *strrstr(const char *str, const char *substr) {
  const size_t length = strlen(substr);
  const char *p;
  for (p = str + strlen(str) - length; p >= str; --p)
    if (strncmp(p, substr, length) == 0)
      return (char *)p;
  return NULL;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strrstr>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbx,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  sub    %rbp,%rax
  mov    %rax,%r12
  add    %rbx,%r12
  jae    L11
  jmp    L36
  nopl   0x0(%rax)
L27:
  sub    $0x1,%r12
  cmp    %r12,%rbx
  ja     L36
L11:
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L27
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L36:
  add    $0x8,%rsp
  xor    %r12d,%r12d
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
extern char *strrstr(const char *str, const char *substr) {
  const size_t length = strlen(substr);
  const char *p;
  for (p = str + strlen(str) - length; p >= str; --p)
    if (strncmp(p, substr, length) == 0)
      return (char *)p;
  return NULL;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<strrstr>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbx,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  sub    %rbp,%rax
  mov    %rax,%r12
  add    %rbx,%r12
  jae    L39
  jmp    L8
  nopl   0x0(%rax)
L1:
  sub    $0x1,%r12
  cmp    %r12,%rbx
  ja     L8
L39:
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L1
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L8:
  add    $0x8,%rsp
  xor    %r12d,%r12d
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
extern char *strrstr(const char *str, const char *substr) {
  const size_t length = strlen(substr);
  const char *p;
  for (p = str + strlen(str) - length; p >= str; --p)
    if (strncmp(p, substr, length) == 0)
      return (char *)p;
  return NULL;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<GetLine>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  movq   $0x0,-0x10(%rbp)
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <calloc@plt>
  mov    %rax,-0x18(%rbp)
  jmp    L11
L1:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0x2,%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <calloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  movzbl -0x19(%rbp),%eax
  mov    %al,(%rdx)
  addq   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L11:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <fgetc@plt>
  mov    %al,-0x19(%rbp)
  cmpb   $0xa,-0x19(%rbp)
  je     L20
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L1
L20:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L28
  mov    D9(%rip),%rax
  mov    (%rax),%rax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
L28:
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *GetLine(FILE *const fhandle) {
  char *tmp, *tmp2;
  long i = 0;
  char c;
  tmp = (char *)calloc(1, sizeof(char));
  while (((c = fgetc(fhandle)) != 10) && (!feof(fhandle))) {
    tmp2 = tmp;
    tmp = (char *)calloc(i + 2, sizeof(char));
    strcpy(tmp, tmp2);
    free(tmp2);
    tmp[i] = c;
    i++;
    tmp[i] = '\0';
  }
  if (feof(fhandle)) {
    *tmp = (char)EOF;
  }
  return tmp;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<GetLine>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r14
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <calloc@plt>
  mov    %rax,%r13
  mov    $0x0,%r12d
  jmp    L26
L32:
  lea    0x2(%r12),%rdi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %rax,%rbx
  mov    %r13,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  call   <free@plt>
  mov    %bpl,(%rbx,%r12,1)
  add    $0x1,%r12
  movb   $0x0,(%rbx,%r12,1)
  mov    %rbx,%r13
L26:
  mov    %r14,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebp
  cmp    $0xa,%al
  je     L4
  mov    %r14,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L32
L4:
  mov    %r14,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L29
  mov    D4(%rip),%rax
  mov    (%rax),%rax
  mov    %al,0x0(%r13)
L29:
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *GetLine(FILE *const fhandle) {
  char *tmp, *tmp2;
  long i = 0;
  char c;
  tmp = (char *)calloc(1, sizeof(char));
  while (((c = fgetc(fhandle)) != 10) && (!feof(fhandle))) {
    tmp2 = tmp;
    tmp = (char *)calloc(i + 2, sizeof(char));
    strcpy(tmp, tmp2);
    free(tmp2);
    tmp[i] = c;
    i++;
    tmp[i] = '\0';
  }
  if (feof(fhandle)) {
    *tmp = (char)EOF;
  }
  return tmp;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<GetLine>:
  endbr64
  push   %r14
  mov    $0x1,%esi
  mov    %rdi,%r14
  mov    $0x1,%edi
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  call   <calloc@plt>
  mov    %rax,%r13
  jmp    L21
  cs nopw 0x0(%rax,%rax,1)
L10:
  mov    %r14,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L37
  lea    0x2(%r12),%rdi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbx
  call   <strcpy@plt>
  mov    %r13,%rdi
  mov    %rbx,%r13
  call   <free@plt>
  mov    %bpl,(%rbx,%r12,1)
  add    $0x1,%r12
  movb   $0x0,(%rbx,%r12,1)
L21:
  mov    %r14,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebp
  cmp    $0xa,%al
  jne    L10
L37:
  mov    %r14,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L19
  mov    D9(%rip),%rax
  mov    (%rax),%rax
  mov    %al,0x0(%r13)
L19:
  pop    %rbx
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *GetLine(FILE *const fhandle) {
  char *tmp, *tmp2;
  long i = 0;
  char c;
  tmp = (char *)calloc(1, sizeof(char));
  while (((c = fgetc(fhandle)) != 10) && (!feof(fhandle))) {
    tmp2 = tmp;
    tmp = (char *)calloc(i + 2, sizeof(char));
    strcpy(tmp, tmp2);
    free(tmp2);
    tmp[i] = c;
    i++;
    tmp[i] = '\0';
  }
  if (feof(fhandle)) {
    *tmp = (char)EOF;
  }
  return tmp;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<GetLine>:
  endbr64
  push   %r14
  mov    $0x1,%esi
  mov    %rdi,%r14
  mov    $0x1,%edi
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  call   <calloc@plt>
  mov    %rax,%r13
  jmp    L39
  cs nopw 0x0(%rax,%rax,1)
L27:
  mov    %r14,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L15
  lea    0x2(%r12),%rdi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %r13,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbx
  call   <strcpy@plt>
  mov    %r13,%rdi
  mov    %rbx,%r13
  call   <free@plt>
  mov    %bpl,(%rbx,%r12,1)
  add    $0x1,%r12
  movb   $0x0,(%rbx,%r12,1)
L39:
  mov    %r14,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebp
  cmp    $0xa,%al
  jne    L27
L15:
  mov    %r14,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L31
  mov    D3(%rip),%rax
  mov    (%rax),%rax
  mov    %al,0x0(%r13)
L31:
  pop    %rbx
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *GetLine(FILE *const fhandle) {
  char *tmp, *tmp2;
  long i = 0;
  char c;
  tmp = (char *)calloc(1, sizeof(char));
  while (((c = fgetc(fhandle)) != 10) && (!feof(fhandle))) {
    tmp2 = tmp;
    tmp = (char *)calloc(i + 2, sizeof(char));
    strcpy(tmp, tmp2);
    free(tmp2);
    tmp[i] = c;
    i++;
    tmp[i] = '\0';
  }
  if (feof(fhandle)) {
    *tmp = (char)EOF;
  }
  return tmp;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<memset>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x2c(%rbp),%eax
  shl    $0x8,%eax
  or     -0x2c(%rbp),%eax
  mov    %eax,%edx
  mov    -0x2c(%rbp),%eax
  shl    $0x10,%eax
  or     %eax,%edx
  mov    -0x2c(%rbp),%eax
  shl    $0x18,%eax
  or     %edx,%eax
  cltq
  mov    %rax,-0x8(%rbp)
  jmp    L49
L6:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    -0x2c(%rbp),%edx
  mov    %dl,(%rax)
  subq   $0x1,-0x38(%rbp)
L49:
  cmpq   $0x0,-0x38(%rbp)
  je     L37
  mov    -0x18(%rbp),%rax
  and    $0x3,%eax
  test   %rax,%rax
  jne    L6
L37:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L59
L27:
  mov    -0x10(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    %rdx,(%rax)
  subq   $0x4,-0x38(%rbp)
L59:
  cmpq   $0x3,-0x38(%rbp)
  ja     L27
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L55
L31:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    -0x2c(%rbp),%edx
  mov    %dl,(%rax)
  subq   $0x1,-0x38(%rbp)
L55:
  cmpq   $0x0,-0x38(%rbp)
  jne    L31
  mov    -0x28(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
void *memset(void *s, int c, size_t n) {
  char *pc = s;
  unsigned long mask4 = (c | c << 8 | c << 16 | c << 24);
  while (n && (((unsigned long)pc) & 0x3) != 0) {
    *pc++ = c;
    n--;
  }
  unsigned long *p = (unsigned long *)pc;
  while (n >= 4) {
    *p++ = mask4;
    n -= 4;
  }
  pc = (char *)p;
  while (n) {
    *pc++ = c;
    n--;
  }
  return s;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<memset>:
  endbr64
  mov    %rdi,%r9
  mov    %esi,%r10d
  test   %rdx,%rdx
  je     L15
  test   $0x3,%dil
  je     L8
  mov    %rdi,%rax
L13:
  add    $0x1,%rax
  mov    %r10b,-0x1(%rax)
  sub    $0x1,%rdx
  je     L15
  test   $0x3,%al
  jne    L13
L48:
  cmp    $0x3,%rdx
  jbe    L42
  mov    %r10d,%edi
  shl    $0x10,%edi
  mov    %r10d,%ecx
  shl    $0x18,%ecx
  or     %ecx,%edi
  or     %r10d,%edi
  mov    %r10d,%ecx
  shl    $0x8,%ecx
  or     %ecx,%edi
  movslq %edi,%rdi
  lea    -0x4(%rdx),%r8
  shr    $0x2,%r8
  lea    0x1(%r8),%r11
  mov    $0x0,%ecx
L27:
  mov    %rdi,(%rax,%rcx,8)
  mov    %rcx,%rsi
  add    $0x1,%rcx
  cmp    %r8,%rsi
  jne    L27
  lea    (%rax,%r11,8),%rax
  and    $0x3,%edx
  je     L15
L42:
  add    %rax,%rdx
L87:
  add    $0x1,%rax
  mov    %r10b,-0x1(%rax)
  cmp    %rax,%rdx
  jne    L87
L15:
  mov    %r9,%rax
  ret
L8:
  mov    %rdi,%rax
  jmp    L48
```

assistant: ```c
void *memset(void *s, int c, size_t n) {
  char *pc = s;
  unsigned long mask4 = (c | c << 8 | c << 16 | c << 24);
  while (n && (((unsigned long)pc) & 0x3) != 0) {
    *pc++ = c;
    n--;
  }
  unsigned long *p = (unsigned long *)pc;
  while (n >= 4) {
    *p++ = mask4;
    n -= 4;
  }
  pc = (char *)p;
  while (n) {
    *pc++ = c;
    n--;
  }
  return s;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<memset>:
  endbr64
  mov    %rdi,%r10
  mov    %esi,%r9d
  test   %rdx,%rdx
  je     L24
  test   $0x3,%dil
  je     L58
  mov    %esi,%ecx
  mov    %rdi,%rax
  jmp    L62
  nopl   0x0(%rax)
L33:
  test   $0x3,%al
  je     L30
L62:
  add    $0x1,%rax
  mov    %cl,-0x1(%rax)
  sub    $0x1,%rdx
  jne    L33
L24:
  mov    %r10,%rax
  ret
L58:
  mov    %rdi,%rax
  nopl   0x0(%rax,%rax,1)
L30:
  cmp    $0x3,%rdx
  jbe    L70
  mov    %r9d,%edi
  mov    %r9d,%ecx
  lea    -0x4(%rdx),%r8
  shl    $0x18,%ecx
  shl    $0x10,%edi
  or     %ecx,%edi
  mov    %r9d,%ecx
  shr    $0x2,%r8
  shl    $0x8,%ecx
  or     %r9d,%edi
  lea    0x1(%r8),%r11
  or     %ecx,%edi
  xor    %ecx,%ecx
  movslq %edi,%rdi
L80:
  mov    %rcx,%rsi
  mov    %rdi,(%rax,%rcx,8)
  add    $0x1,%rcx
  cmp    %rsi,%r8
  jne    L80
  lea    (%rax,%r11,8),%rax
  and    $0x3,%edx
  je     L24
L70:
  movsbl %r9b,%r9d
  mov    %edx,%esi
  test   %edx,%edx
  je     L24
  xor    %edx,%edx
L73:
  mov    %edx,%ecx
  add    $0x1,%edx
  mov    %r9b,(%rax,%rcx,1)
  cmp    %esi,%edx
  jb     L73
  mov    %r10,%rax
  ret
```

assistant: ```c
void *memset(void *s, int c, size_t n) {
  char *pc = s;
  unsigned long mask4 = (c | c << 8 | c << 16 | c << 24);
  while (n && (((unsigned long)pc) & 0x3) != 0) {
    *pc++ = c;
    n--;
  }
  unsigned long *p = (unsigned long *)pc;
  while (n >= 4) {
    *p++ = mask4;
    n -= 4;
  }
  pc = (char *)p;
  while (n) {
    *pc++ = c;
    n--;
  }
  return s;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<memset>:
  endbr64
  mov    %rdi,%r9
  mov    %esi,%edi
  test   %rdx,%rdx
  je     L59
  test   $0x3,%r9b
  je     L129
  mov    %esi,%ecx
  mov    %r9,%rax
  jmp    L21
  nopl   0x0(%rax,%rax,1)
L75:
  test   $0x3,%al
  je     L58
L21:
  add    $0x1,%rax
  mov    %cl,-0x1(%rax)
  sub    $0x1,%rdx
  jne    L75
L59:
  mov    %r9,%rax
  ret
L129:
  mov    %r9,%rax
  nopl   0x0(%rax,%rax,1)
L58:
  cmp    $0x3,%rdx
  jbe    L8
  mov    %edi,%esi
  mov    %edi,%ecx
  shl    $0x18,%ecx
  shl    $0x10,%esi
  or     %ecx,%esi
  mov    %edi,%ecx
  shl    $0x8,%ecx
  or     %edi,%esi
  or     %ecx,%esi
  lea    -0x4(%rdx),%rcx
  mov    %rcx,%r11
  movslq %esi,%rsi
  shr    $0x2,%r11
  add    $0x1,%r11
  cmp    $0x3,%rcx
  jbe    L88
  mov    %r11,%r10
  movq   %rsi,%xmm0
  xor    %ecx,%ecx
  shr    %r10
  punpcklqdq %xmm0,%xmm0
  nopl   0x0(%rax)
L121:
  mov    %rcx,%r8
  add    $0x1,%rcx
  shl    $0x4,%r8
  movups %xmm0,(%rax,%r8,1)
  cmp    %rcx,%r10
  jne    L121
  mov    %r11,%r8
  and    $0xfffffffffffffffe,%r8
  lea    (%rax,%r8,8),%rcx
  cmp    %r8,%r11
  je     L83
L93:
  mov    %rsi,(%rcx)
L83:
  lea    (%rax,%r11,8),%rax
  and    $0x3,%edx
  je     L59
L8:
  movsbl %dil,%edi
  mov    %edx,%esi
  test   %edx,%edx
  je     L59
  xor    %edx,%edx
L68:
  mov    %edx,%ecx
  add    $0x1,%edx
  mov    %dil,(%rax,%rcx,1)
  cmp    %esi,%edx
  jb     L68
  mov    %r9,%rax
  ret
L88:
  mov    %rax,%rcx
  jmp    L93
```

assistant: ```c
void *memset(void *s, int c, size_t n) {
  char *pc = s;
  unsigned long mask4 = (c | c << 8 | c << 16 | c << 24);
  while (n && (((unsigned long)pc) & 0x3) != 0) {
    *pc++ = c;
    n--;
  }
  unsigned long *p = (unsigned long *)pc;
  while (n >= 4) {
    *p++ = mask4;
    n -= 4;
  }
  pc = (char *)p;
  while (n) {
    *pc++ = c;
    n--;
  }
  return s;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <testLESolv1@plt>
  mov    $0x0,%eax
  call   <testLESolv2@plt>
  mov    $0x0,%eax
  call   <testLESolv3@plt>
  mov    $0x0,%eax
  call   <testLESolv4@plt>
  mov    $0x0,%eax
  call   <testOLS1@plt>
  mov    $0x0,%eax
  call   <TestPolyFit@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  testLESolv1();
  testLESolv2();
  testLESolv3();
  testLESolv4();
  testOLS1();
  TestPolyFit();
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <testLESolv1@plt>
  mov    $0x0,%eax
  call   <testLESolv2@plt>
  mov    $0x0,%eax
  call   <testLESolv3@plt>
  mov    $0x0,%eax
  call   <testLESolv4@plt>
  mov    $0x0,%eax
  call   <testOLS1@plt>
  mov    $0x0,%eax
  call   <TestPolyFit@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  testLESolv1();
  testLESolv2();
  testLESolv3();
  testLESolv4();
  testOLS1();
  TestPolyFit();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <testLESolv1@plt>
  xor    %eax,%eax
  call   <testLESolv2@plt>
  xor    %eax,%eax
  call   <testLESolv3@plt>
  xor    %eax,%eax
  call   <testLESolv4@plt>
  xor    %eax,%eax
  call   <testOLS1@plt>
  xor    %eax,%eax
  call   <TestPolyFit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  testLESolv1();
  testLESolv2();
  testLESolv3();
  testLESolv4();
  testOLS1();
  TestPolyFit();
  return 0;
}
```