ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<become_user>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  mov    0x10(%rdi),%rsi
  mov    (%rdi),%rdi
  call   <initgroups@plt>
  cmp    $0xffffffff,%eax
  je     L28
L36:
  mov    0x10(%rbx),%rdi
  call   <setegid@plt>
  cmp    $0xffffffff,%eax
  je     L8
  mov    0x10(%rbx),%rdi
  call   <setgid@plt>
  cmp    $0xffffffff,%eax
  je     L8
  xor    %eax,%eax
  call   <setsid@plt>
  cmp    $0xffffffff,%eax
  je     L45
L56:
  mov    (%rbx),%rdi
  call   <setlogin@plt>
  cmp    $0xffffffff,%eax
  je     L5
L120:
  mov    %rbp,%rdi
  call   <setuid@plt>
  cmp    $0xffffffff,%eax
  je     L24
  mov    %rbp,%rdi
  call   <seteuid@plt>
  cmp    $0xffffffff,%eax
  je     L24
  mov    0x8(%rbx),%rdi
  call   <chdir@plt>
  cmp    $0xffffffff,%eax
  je     L4
L33:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L24:
  lea    D12(%rip),%rdi
  xor    %eax,%eax
  mov    %rbp,%rsi
  call   <perr@plt>
  mov    0x8(%rbx),%rdi
  call   <chdir@plt>
  cmp    $0xffffffff,%eax
  jne    L33
L4:
  add    $0x8,%rsp
  lea    D25(%rip),%rdi
  pop    %rbx
  pop    %rbp
  jmp    10d0 <chdir@plt>
  nopl   0x0(%rax)
L8:
  mov    0x10(%rbx),%rsi
  xor    %eax,%eax
  lea    D36(%rip),%rdi
  call   <perr@plt>
  xor    %eax,%eax
  call   <setsid@plt>
  cmp    $0xffffffff,%eax
  jne    L56
L45:
  lea    D57(%rip),%rdi
  xor    %eax,%eax
  call   <perr@plt>
  mov    (%rbx),%rdi
  call   <setlogin@plt>
  cmp    $0xffffffff,%eax
  jne    L120
L5:
  mov    (%rbx),%rsi
  lea    D11(%rip),%rdi
  xor    %eax,%eax
  call   <perr@plt>
  jmp    L120
  nop
L28:
  mov    (%rbx),%rsi
  lea    D55(%rip),%rdi
  xor    %eax,%eax
  call   <perr@plt>
  jmp    L36
```

tool_calls: name: unpack_data
arguments: data_label: D12
data_type: string
name: unpack_data
arguments: data_label: D25
data_type: string
name: unpack_data
arguments: data_label: D36
data_type: string
name: unpack_data
arguments: data_label: D57
data_type: string
name: unpack_data
arguments: data_label: D11
data_type: string
name: unpack_data
arguments: data_label: D55
data_type: string

tool: D12: Cannot set user id to %lu

tool: D25: /

tool: D36: Cannot change primary group to %lu

tool: D57: Cannot create a session

tool: D11: Cannot set login name to `%s'

tool: D55: Cannot init group list for `%s'

assistant: ```c
void become_user(struct passwd *pentry, uid_t uid) {
  if (initgroups(pentry->pw_name, pentry->pw_gid) == -1)
    perr("Cannot init group list for `%s'", pentry->pw_name);
  if (setegid(pentry->pw_gid) == -1 || setgid(pentry->pw_gid) == -1)
    perr("Cannot change primary group to %lu", (unsigned long)pentry->pw_gid);
  if (setsid() == -1)
    perr("Cannot create a session");
  if (setlogin(pentry->pw_name) == -1)
    perr("Cannot set login name to `%s'", pentry->pw_name);
  if (setuid(uid) == -1 || seteuid(uid) == -1)
    perr("Cannot set user id to %lu", (unsigned long)uid);
  if (chdir(pentry->pw_dir) == -1)
    (void)chdir("/");
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<MeasureWait>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x1,-0x10(%rbp)
  jmp    L16
L7:
  lea    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x47c,%edi
  call   <RamRead32A@plt>
L16:
  mov    -0x10(%rbp),%rax
  test   %rax,%rax
  jne    L7
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
void MeasureWait(void) {
  unsigned long SlWaitTimerSt;
  SlWaitTimerSt = 1;
  while (SlWaitTimerSt) {
    RamRead32A(0x0004 + 0x0000 + 0x0478, &SlWaitTimerSt);
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<MeasureWait>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x1,(%rsp)
  mov    %rsp,%rbx
L13:
  mov    %rbx,%rsi
  mov    $0x47c,%edi
  call   <RamRead32A@plt>
  cmpq   $0x0,(%rsp)
  jne    L13
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  add    $0x10,%rsp
  pop    %rbx
  ret
L10:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void MeasureWait(void) {
  unsigned long SlWaitTimerSt;
  SlWaitTimerSt = 1;
  while (SlWaitTimerSt) {
    RamRead32A(0x0004 + 0x0000 + 0x0478, &SlWaitTimerSt);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<MeasureWait>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x1,(%rsp)
  mov    %rsp,%rbx
  nopl   0x0(%rax)
L6:
  mov    %rbx,%rsi
  mov    $0x47c,%edi
  call   <RamRead32A@plt>
  cmpq   $0x0,(%rsp)
  jne    L6
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x10,%rsp
  pop    %rbx
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void MeasureWait(void) {
  unsigned long SlWaitTimerSt;
  SlWaitTimerSt = 1;
  while (SlWaitTimerSt) {
    RamRead32A(0x0004 + 0x0000 + 0x0478, &SlWaitTimerSt);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<MeasureWait>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x1,(%rsp)
  mov    %rsp,%rbx
  nopl   0x0(%rax)
L2:
  mov    %rbx,%rsi
  mov    $0x47c,%edi
  call   <RamRead32A@plt>
  cmpq   $0x0,(%rsp)
  jne    L2
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x10,%rsp
  pop    %rbx
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void MeasureWait(void) {
  unsigned long SlWaitTimerSt;
  SlWaitTimerSt = 1;
  while (SlWaitTimerSt) {
    RamRead32A(0x0004 + 0x0000 + 0x0478, &SlWaitTimerSt);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<closing_1D>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %edx,-0x10(%rbp)
  mov    %ecx,-0x14(%rbp)
  mov    -0x14(%rbp),%ecx
  mov    -0x10(%rbp),%edx
  mov    -0xc(%rbp),%esi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <dilate_1D@plt>
  mov    -0x14(%rbp),%ecx
  mov    -0x10(%rbp),%edx
  mov    -0xc(%rbp),%esi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <erode_1D@plt>
  mov    $0x1,%eax
  leave
  ret
```

assistant: ```c
int closing_1D(unsigned char *image_data, int width, int height, unsigned int closing_by_k) {
  dilate_1D(image_data, width, height, closing_by_k);
  erode_1D(image_data, width, height, closing_by_k);
  return 1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<closing_1D>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %esi,%ebp
  mov    %edx,%r12d
  mov    %ecx,%r13d
  call   <dilate_1D@plt>
  mov    %r13d,%ecx
  mov    %r12d,%edx
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <erode_1D@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int closing_1D(unsigned char *image_data, int width, int height, unsigned int closing_by_k) {
  dilate_1D(image_data, width, height, closing_by_k);
  erode_1D(image_data, width, height, closing_by_k);
  return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<closing_1D>:
  endbr64
  push   %r14
  mov    %ecx,%r14d
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <dilate_1D@plt>
  mov    %r14d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <erode_1D@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int closing_1D(unsigned char *image_data, int width, int height, unsigned int closing_by_k) {
  dilate_1D(image_data, width, height, closing_by_k);
  erode_1D(image_data, width, height, closing_by_k);
  return 1;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<closing_1D>:
  endbr64
  push   %r14
  mov    %ecx,%r14d
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <dilate_1D@plt>
  mov    %r14d,%ecx
  mov    %r13d,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <erode_1D@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int closing_1D(unsigned char *image_data, int width, int height, unsigned int closing_by_k) {
  dilate_1D(image_data, width, height, closing_by_k);
  erode_1D(image_data, width, height, closing_by_k);
  return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<__id>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %edx,-0x10(%rbp)
  mov    %ecx,-0x14(%rbp)
  cmpl   $0x47,-0xc(%rbp)
  jne    L55
  mov    -0x10(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <_id_G@plt>
  jmp    L2
L55:
  cmpl   $0x67,-0xc(%rbp)
  jne    L19
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%ecx
  mov    -0x8(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <_id_g@plt>
  jmp    L2
L19:
  cmpl   $0x75,-0xc(%rbp)
  jne    L35
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%ecx
  mov    -0x8(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <_id_u@plt>
  jmp    L2
L35:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <_id_all@plt>
L2:
  leave
  ret
```

assistant: ```c
int __id(char const *user, int flag, int flagn, int flagr) {
  if (flag == 'G')
    return _id_G(user, flagn);
  if (flag == 'g')
    return _id_g(user, flagn, flagr);
  if (flag == 'u')
    return _id_u(user, flagn, flagr);
  return _id_all(user);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<__id>:
  endbr64
  sub    $0x8,%rsp
  mov    %esi,%eax
  mov    %edx,%esi
  cmp    $0x47,%eax
  je     L40
  cmp    $0x67,%eax
  je     L35
  cmp    $0x75,%eax
  je     L19
  call   <_id_all@plt>
L14:
  add    $0x8,%rsp
  ret
L40:
  call   <_id_G@plt>
  jmp    L14
L35:
  mov    %ecx,%edx
  call   <_id_g@plt>
  jmp    L14
L19:
  mov    %ecx,%edx
  call   <_id_u@plt>
  jmp    L14
```

assistant: ```c
int __id(char const *user, int flag, int flagn, int flagr) {
  if (flag == 'G')
    return _id_G(user, flagn);
  if (flag == 'g')
    return _id_g(user, flagn, flagr);
  if (flag == 'u')
    return _id_u(user, flagn, flagr);
  return _id_all(user);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<__id>:
  endbr64
  mov    %esi,%eax
  mov    %edx,%esi
  cmp    $0x47,%eax
  je     L6
  cmp    $0x67,%eax
  je     L9
  cmp    $0x75,%eax
  je     L14
  jmp    1080 <_id_all@plt>
  nopl   0x0(%rax)
L14:
  mov    %ecx,%edx
  jmp    10b0 <_id_u@plt>
  nopw   0x0(%rax,%rax,1)
L6:
  jmp    1090 <_id_G@plt>
  nopl   (%rax)
L9:
  mov    %ecx,%edx
  jmp    10a0 <_id_g@plt>
```

assistant: ```c
int __id(char const *user, int flag, int flagn, int flagr) {
  if (flag == 'G')
    return _id_G(user, flagn);
  if (flag == 'g')
    return _id_g(user, flagn, flagr);
  if (flag == 'u')
    return _id_u(user, flagn, flagr);
  return _id_all(user);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<__id>:
  endbr64
  mov    %esi,%eax
  mov    %edx,%esi
  cmp    $0x47,%eax
  je     L16
  cmp    $0x67,%eax
  je     L24
  cmp    $0x75,%eax
  je     L25
  jmp    1080 <_id_all@plt>
  nopl   0x0(%rax)
L25:
  mov    %ecx,%edx
  jmp    10b0 <_id_u@plt>
  nopw   0x0(%rax,%rax,1)
L16:
  jmp    1090 <_id_G@plt>
  nopl   (%rax)
L24:
  mov    %ecx,%edx
  jmp    10a0 <_id_g@plt>
```

assistant: ```c
int __id(char const *user, int flag, int flagn, int flagr) {
  if (flag == 'G')
    return _id_G(user, flagn);
  if (flag == 'g')
    return _id_g(user, flagn, flagr);
  if (flag == 'u')
    return _id_u(user, flagn, flagr);
  return _id_all(user);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<_execve>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    D16(%rip),%rax
  mov    (%rax),%edx
  mov    D1(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  pop    %rbp
  ret
```

assistant: ```c
int _execve(char *name, char **argv, char **env) {
  (void)name;
  (void)argv;
  (void)env;
  errno = ENOMEM;
  return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<_execve>:
  endbr64
  mov    D13(%rip),%rax
  mov    (%rax),%edx
  mov    D8(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _execve(char *name, char **argv, char **env) {
  (void)name;
  (void)argv;
  (void)env;
  errno = ENOMEM;
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<_execve>:
  endbr64
  mov    D19(%rip),%rax
  mov    (%rax),%edx
  mov    D10(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _execve(char *name, char **argv, char **env) {
  (void)name;
  (void)argv;
  (void)env;
  errno = ENOMEM;
  return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<_execve>:
  endbr64
  mov    D6(%rip),%rax
  mov    (%rax),%edx
  mov    D15(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _execve(char *name, char **argv, char **env) {
  (void)name;
  (void)argv;
  (void)env;
  errno = ENOMEM;
  return -1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<autocorr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L38
L33:
  pxor   %xmm0,%xmm0
  movss  %xmm0,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L34
L29:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  mov    -0x8(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  mulss  %xmm1,%xmm0
  movss  -0x4(%rbp),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x4(%rbp)
  addl   $0x1,-0x8(%rbp)
L34:
  mov    -0x24(%rbp),%eax
  sub    -0xc(%rbp),%eax
  cmp    %eax,-0x8(%rbp)
  jl     L29
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movss  -0x4(%rbp),%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0xc(%rbp)
L38:
  mov    -0xc(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jle    L33
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void autocorr(float *r, const float *x, int N, int order) {
  int lag;
  int n;
  float sum;
  for (lag = 0; lag <= order; lag++) {
    sum = 0;
    for (n = 0; n < N - lag; n++)
      sum += x[n] * x[n + lag];
    r[lag] = sum;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<autocorr>:
  endbr64
  mov    %rsi,%r8
  test   %ecx,%ecx
  js     L51
  lea    0x1(%rcx),%r9d
  mov    $0x0,%ecx
  lea    -0x1(%rdx),%r11d
  lea    0x4(%rsi),%r10
  jmp    L31
L45:
  mov    %r8,%rax
  mov    %r11d,%esi
  sub    %ecx,%esi
  lea    (%r10,%rsi,4),%rsi
  pxor   %xmm1,%xmm1
L35:
  movss  (%rax),%xmm0
  mulss  (%rax,%rcx,4),%xmm0
  addss  %xmm0,%xmm1
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L35
L44:
  movss  %xmm1,(%rdi,%rcx,4)
  add    $0x1,%rcx
  cmp    %r9,%rcx
  je     L51
L31:
  mov    %edx,%eax
  sub    %ecx,%eax
  pxor   %xmm1,%xmm1
  test   %eax,%eax
  jg     L45
  jmp    L44
L51:
  ret
```

assistant: ```c
void autocorr(float *r, const float *x, int N, int order) {
  int lag;
  int n;
  float sum;
  for (lag = 0; lag <= order; lag++) {
    sum = 0;
    for (n = 0; n < N - lag; n++)
      sum += x[n] * x[n + lag];
    r[lag] = sum;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<autocorr>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%r9
  test   %ecx,%ecx
  js     L20
  pxor   %xmm2,%xmm2
  lea    -0x1(%rdx),%r11d
  lea    0x4(%rsi),%r10
  movslq %ecx,%rdi
  xor    %ecx,%ecx
  nop
L17:
  mov    %edx,%eax
  movaps %xmm2,%xmm1
  sub    %ecx,%eax
  test   %eax,%eax
  jle    L25
  mov    %r11d,%esi
  mov    %r9,%rax
  movaps %xmm2,%xmm1
  sub    %ecx,%esi
  lea    (%r10,%rsi,4),%rsi
  nopw   0x0(%rax,%rax,1)
L24:
  movss  (%rax),%xmm0
  mulss  (%rax,%rcx,4),%xmm0
  add    $0x4,%rax
  addss  %xmm0,%xmm1
  cmp    %rax,%rsi
  jne    L24
L25:
  movss  %xmm1,(%r8,%rcx,4)
  lea    0x1(%rcx),%rax
  cmp    %rdi,%rcx
  je     L20
  mov    %rax,%rcx
  jmp    L17
  nopw   0x0(%rax,%rax,1)
L20:
  ret
```

assistant: ```c
void autocorr(float *r, const float *x, int N, int order) {
  int lag;
  int n;
  float sum;
  for (lag = 0; lag <= order; lag++) {
    sum = 0;
    for (n = 0; n < N - lag; n++)
      sum += x[n] * x[n + lag];
    r[lag] = sum;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<autocorr>:
  endbr64
  test   %ecx,%ecx
  js     L54
  push   %r12
  lea    -0x1(%rdx),%r11d
  mov    %rdi,%r9
  mov    %rsi,%r8
  push   %rbp
  sub    %ecx,%r11d
  mov    %edx,%edi
  xor    %ecx,%ecx
  push   %rbx
  pxor   %xmm3,%xmm3
  nopl   (%rax)
L5:
  mov    %ecx,%ebx
  movaps %xmm3,%xmm1
  lea    -0x1(%rdi),%r10d
  test   %edi,%edi
  jle    L33
  lea    -0x1(%rdi),%r10d
  cmp    $0x2,%r10d
  jbe    L39
  mov    %edi,%edx
  xor    %eax,%eax
  movaps %xmm3,%xmm1
  shr    $0x2,%edx
  shl    $0x4,%rdx
  nopl   (%rax)
L72:
  movups (%rsi,%rax,1),%xmm0
  movups (%r8,%rax,1),%xmm4
  add    $0x10,%rax
  mulps  %xmm4,%xmm0
  addss  %xmm0,%xmm1
  movaps %xmm0,%xmm2
  shufps $0x55,%xmm0,%xmm2
  addss  %xmm2,%xmm1
  movaps %xmm0,%xmm2
  unpckhps %xmm0,%xmm2
  shufps $0xff,%xmm0,%xmm0
  addss  %xmm2,%xmm1
  addss  %xmm0,%xmm1
  cmp    %rdx,%rax
  jne    L72
  mov    %edi,%eax
  and    $0xfffffffc,%eax
  test   $0x3,%dil
  je     L33
L12:
  lea    (%rbx,%rax,1),%edx
  movslq %eax,%r12
  movslq %edx,%rdx
  lea    0x0(,%r12,4),%rbp
  movss  (%rsi,%rdx,4),%xmm0
  mulss  (%rsi,%r12,4),%xmm0
  lea    0x1(%rax),%edx
  addss  %xmm0,%xmm1
  cmp    %edi,%edx
  jge    L33
  add    %ebx,%edx
  add    $0x2,%eax
  movslq %edx,%rdx
  movss  (%rsi,%rdx,4),%xmm0
  mulss  0x4(%rsi,%rbp,1),%xmm0
  addss  %xmm0,%xmm1
  cmp    %edi,%eax
  jge    L33
  add    %ebx,%eax
  cltq
  movss  (%rsi,%rax,4),%xmm0
  mulss  0x8(%rsi,%rbp,1),%xmm0
  addss  %xmm0,%xmm1
L33:
  movss  %xmm1,(%r9,%rcx,4)
  mov    %r10d,%edi
  add    $0x1,%rcx
  add    $0x4,%r8
  cmp    %r11d,%r10d
  jne    L5
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L39:
  movaps %xmm3,%xmm1
  xor    %eax,%eax
  jmp    L12
L54:
  ret
```

assistant: ```c
void autocorr(float *r, const float *x, int N, int order) {
  int lag;
  int n;
  float sum;
  for (lag = 0; lag <= order; lag++) {
    sum = 0;
    for (n = 0; n < N - lag; n++)
      sum += x[n] * x[n + lag];
    r[lag] = sum;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<_shift_left_nstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  jmp    L23
L2:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L21
L16:
  mov    -0x10(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L21:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movb   $0x30,(%rax)
L23:
  mov    -0x1c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x1c(%rbp)
  test   %eax,%eax
  jne    L2
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void _shift_left_nstr(const char *c, unsigned int places) {
  char *s, *d;
  while (places--) {
    s = (char *)(c + 1);
    d = (char *)c;
    while (*s) {
      *d++ = *s++;
    }
    *d++ = '0';
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<_shift_left_nstr>:
  endbr64
  lea    -0x1(%rsi),%ecx
  test   %esi,%esi
  je     L3
L8:
  movzbl 0x1(%rdi),%edx
  test   %dl,%dl
  je     L0
  mov    %rdi,%rax
L19:
  add    $0x1,%rax
  mov    %dl,-0x1(%rax)
  movzbl 0x1(%rax),%edx
  test   %dl,%dl
  jne    L19
L33:
  movb   $0x30,(%rax)
  sub    $0x1,%ecx
  cmp    $0xffffffff,%ecx
  jne    L8
L3:
  ret
L0:
  mov    %rdi,%rax
  jmp    L33
```

assistant: ```c
void _shift_left_nstr(const char *c, unsigned int places) {
  char *s, *d;
  while (places--) {
    s = (char *)(c + 1);
    d = (char *)c;
    while (*s) {
      *d++ = *s++;
    }
    *d++ = '0';
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_shift_left_nstr>:
  endbr64
  lea    -0x1(%rsi),%ecx
  test   %esi,%esi
  je     L39
  nopl   0x0(%rax,%rax,1)
L11:
  movzbl 0x1(%rdi),%edx
  mov    %rdi,%rax
  test   %dl,%dl
  je     L16
  nopl   0x0(%rax,%rax,1)
L31:
  mov    %dl,(%rax)
  movzbl 0x2(%rax),%edx
  add    $0x1,%rax
  test   %dl,%dl
  jne    L31
L16:
  movb   $0x30,(%rax)
  sub    $0x1,%ecx
  jae    L11
L39:
  ret
```

assistant: ```c
void _shift_left_nstr(const char *c, unsigned int places) {
  char *s, *d;
  while (places--) {
    s = (char *)(c + 1);
    d = (char *)c;
    while (*s) {
      *d++ = *s++;
    }
    *d++ = '0';
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<_shift_left_nstr>:
  endbr64
  lea    -0x1(%rsi),%ecx
  test   %esi,%esi
  je     L37
  nopl   0x0(%rax,%rax,1)
L13:
  movzbl 0x1(%rdi),%edx
  mov    %rdi,%rax
  test   %dl,%dl
  je     L8
  nopl   0x0(%rax,%rax,1)
L30:
  mov    %dl,(%rax)
  movzbl 0x2(%rax),%edx
  add    $0x1,%rax
  test   %dl,%dl
  jne    L30
L8:
  movb   $0x30,(%rax)
  sub    $0x1,%ecx
  jae    L13
L37:
  ret
```

assistant: ```c
void _shift_left_nstr(const char *c, unsigned int places) {
  char *s, *d;
  while (places--) {
    s = (char *)(c + 1);
    d = (char *)c;
    while (*s) {
      *d++ = *s++;
    }
    *d++ = '0';
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<read_hex_literal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x1c(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L150
L27:
  cmpb   $0x2f,-0x1d(%rbp)
  jle    L35
  cmpb   $0x39,-0x1d(%rbp)
  jle    L83
L35:
  cmpb   $0x40,-0x1d(%rbp)
  jle    L133
  cmpb   $0x46,-0x1d(%rbp)
  jle    L83
L133:
  cmpb   $0x60,-0x1d(%rbp)
  jle    L67
  cmpb   $0x66,-0x1d(%rbp)
  jle    L83
L67:
  cmpb   $0x2e,-0x1d(%rbp)
  jne    L104
  cmpl   $0x0,-0x1c(%rbp)
  je     L116
  mov    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    $0x0,%eax
  jmp    L184
L116:
  movl   $0x1,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  jmp    L150
L83:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
L150:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1d(%rbp)
  cmpb   $0x0,-0x1d(%rbp)
  jne    L27
  jmp    L151
L104:
  nop
L151:
  cmpl   $0x0,-0x1c(%rbp)
  je     L57
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x70,%al
  je     L16
  mov    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    $0x0,%eax
  jmp    L184
L16:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  lea    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <read_integer_literal@plt>
  mov    -0x18(%rbp),%rax
  cmp    %rax,-0x10(%rbp)
  jne    L57
  mov    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    $0x0,%eax
  jmp    L184
L57:
  mov    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    $0x1,%eax
L184:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L115
  call   <__stack_chk_fail@plt>
L115:
  leave
  ret
```

assistant: ```c
bool read_hex_literal(const char **pos_ref) {
  char c;
  bool dot_seen = false;
  const char *pos = *pos_ref;
  while ((c = *pos)) {
    if ((c < '0' || c > '9') && (c < 'A' || c > 'F') && (c < 'a' || c > 'f')) {
      if (c == '.') {
        if (dot_seen) {
          *pos_ref = pos;
          return false;
        }
        dot_seen = true;
        pos++;
      } else {
        break;
      }
    } else {
      pos++;
    }
  }
  if (dot_seen) {
    if (*pos != 'p') {
      *pos_ref = pos;
      return false;
    }
    pos++;
    const char *old_pos = pos;
    read_integer_literal(&pos);
    if (old_pos == pos) {
      *pos_ref = pos;
      return false;
    }
  }
  *pos_ref = pos;
  return true;
}
```