ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<bomb>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %rsi,%r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  call   <endwin@plt>
  mov    %r12,%rsi
  lea    D4(%rip),%rdi
  call   <printf@plt>
  cmp    $0x1,%ebx
  je     L0
  pop    %rbx
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    10b0 <exit@plt>
  nopl   (%rax)
L0:
  xor    %eax,%eax
  call   <usage@plt>
  pop    %rbx
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    10b0 <exit@plt>
```

tool_calls: name: unpack_data
arguments: tag: D4
type_guessed: string

tool: D4: %s

assistant: ```c
void bomb(int exitv, char *msg, int showusage) {
  endwin();
  printf("%s", msg);
  if (showusage == 1) {
    usage();
  }
  exit(exitv);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bomb>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %rsi,%r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  call   <endwin@plt>
  mov    %r12,%rsi
  lea    D6(%rip),%rdi
  call   <printf@plt>
  cmp    $0x1,%ebx
  je     L2
  pop    %rbx
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    10b0 <exit@plt>
  nopl   (%rax)
L2:
  xor    %eax,%eax
  call   <usage@plt>
  pop    %rbx
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    10b0 <exit@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D6
type_guessed: string

tool: D6: %s

assistant: ```c
void bomb(int exitv, char *msg, int showusage) {
  endwin();
  printf("%s", msg);
  if (showusage == 1) {
    usage();
  }
  exit(exitv);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<vector_float_take>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  mov    %rcx,-0x28(%rbp)
  mov    %r8,-0x30(%rbp)
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L44
  mov    -0x18(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <gmalloc@plt>
  mov    -0x30(%rbp),%rdx
  mov    %rax,(%rdx)
L44:
  movl   $0x0,-0x4(%rbp)
  jmp    L37
L2:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x14(%rbp)
  jle    L43
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  js     L43
  mov    $0x1,%eax
  jmp    L11
L43:
  mov    $0x0,%eax
L11:
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rcx
  mov    -0x4(%rbp),%eax
  cltq
  shl    $0x2,%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0x4(%rbp)
L37:
  mov    -0x4(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jl     L2
  nop
  nop
  leave
  ret
```

assistant: ```c
void vector_float_take(int n, float *v, int m, int *p, float **u) {
  int i;
  if (!*u)
    *u = gmalloc(sizeof(float) * m);
  for (i = 0; i < m; i++) {
    assert(p[i] < n && p[i] >= 0);
    (*u)[i] = v[p[i]];
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<vector_float_take>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%r14d
  mov    %rsi,%r15
  mov    %edx,%ebx
  mov    %rcx,%rbp
  mov    %r8,%r12
  cmpq   $0x0,(%r8)
  je     L32
L19:
  mov    %ebx,%eax
  mov    %ebx,%r13d
  shl    $0x2,%r13
  mov    $0x0,%ebx
  test   %eax,%eax
  jle    L5
L18:
  mov    0x0(%rbp,%rbx,1),%eax
  mov    %eax,%edi
  not    %edi
  shr    $0x1f,%edi
  cmp    %r14d,%eax
  setl   %al
  and    %eax,%edi
  call   <assert@plt>
  movslq 0x0(%rbp,%rbx,1),%rax
  movss  (%r15,%rax,4),%xmm0
  mov    (%r12),%rax
  movss  %xmm0,(%rax,%rbx,1)
  add    $0x4,%rbx
  cmp    %r13,%rbx
  jne    L18
L5:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L32:
  lea    0x0(,%rdx,4),%edi
  call   <gmalloc@plt>
  mov    %rax,(%r12)
  jmp    L19
```

assistant: ```c
void vector_float_take(int n, float *v, int m, int *p, float **u) {
  int i;
  if (!*u)
    *u = gmalloc(sizeof(float) * m);
  for (i = 0; i < m; i++) {
    assert(p[i] < n && p[i] >= 0);
    (*u)[i] = v[p[i]];
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<vector_float_take>:
  endbr64
  push   %r15
  mov    %r8,%r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  sub    $0x18,%rsp
  cmpq   $0x0,(%r8)
  je     L15
L33:
  movslq %edx,%rbx
  xor    %r13d,%r13d
  shl    $0x2,%rbx
  test   %edx,%edx
  jle    L19
  nopl   0x0(%rax)
L12:
  mov    (%r14,%r13,1),%edi
  cmp    %ebp,%edi
  not    %edi
  setl   %al
  shr    $0x1f,%edi
  and    %eax,%edi
  call   <assert@plt>
  movslq (%r14,%r13,1),%rax
  movss  (%r12,%rax,4),%xmm0
  mov    (%r15),%rax
  movss  %xmm0,(%rax,%r13,1)
  add    $0x4,%r13
  cmp    %r13,%rbx
  jne    L12
L19:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L15:
  lea    0x0(,%rdx,4),%edi
  mov    %edx,0xc(%rsp)
  call   <gmalloc@plt>
  mov    0xc(%rsp),%edx
  mov    %rax,(%r15)
  jmp    L33
```

assistant: ```c
void vector_float_take(int n, float *v, int m, int *p, float **u) {
  int i;
  if (!*u)
    *u = gmalloc(sizeof(float) * m);
  for (i = 0; i < m; i++) {
    assert(p[i] < n && p[i] >= 0);
    (*u)[i] = v[p[i]];
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<vector_float_take>:
  endbr64
  push   %r15
  mov    %r8,%r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  sub    $0x18,%rsp
  cmpq   $0x0,(%r8)
  je     L34
L22:
  movslq %edx,%rbx
  xor    %r13d,%r13d
  shl    $0x2,%rbx
  test   %edx,%edx
  jle    L5
  nopl   0x0(%rax)
L12:
  mov    (%r14,%r13,1),%edi
  cmp    %ebp,%edi
  not    %edi
  setl   %al
  shr    $0x1f,%edi
  and    %eax,%edi
  call   <assert@plt>
  movslq (%r14,%r13,1),%rax
  movss  (%r12,%rax,4),%xmm0
  mov    (%r15),%rax
  movss  %xmm0,(%rax,%r13,1)
  add    $0x4,%r13
  cmp    %r13,%rbx
  jne    L12
L5:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L34:
  lea    0x0(,%rdx,4),%edi
  mov    %edx,0xc(%rsp)
  call   <gmalloc@plt>
  mov    0xc(%rsp),%edx
  mov    %rax,(%r15)
  jmp    L22
```

assistant: ```c
void vector_float_take(int n, float *v, int m, int *p, float **u) {
  int i;
  if (!*u)
    *u = gmalloc(sizeof(float) * m);
  for (i = 0; i < m; i++) {
    assert(p[i] < n && p[i] >= 0);
    (*u)[i] = v[p[i]];
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<itoa>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x8(%rbp)
L11:
  mov    -0x34(%rbp),%ecx
  mov    -0x28(%rbp),%rax
  mov    $0x0,%edx
  div    %rcx
  mov    %rdx,%rax
  mov    %eax,-0x14(%rbp)
  mov    -0x34(%rbp),%esi
  mov    -0x28(%rbp),%rax
  mov    $0x0,%edx
  div    %rsi
  mov    %rax,-0x28(%rbp)
  cmpl   $0x9,-0x14(%rbp)
  jbe    L28
  mov    -0x14(%rbp),%eax
  lea    0x57(%rax),%ecx
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    %ecx,%edx
  mov    %dl,(%rax)
  jmp    L35
L28:
  mov    -0x14(%rbp),%eax
  lea    0x30(%rax),%ecx
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    %ecx,%edx
  mov    %dl,(%rax)
L35:
  cmpq   $0x0,-0x28(%rbp)
  jne    L11
  mov    -0x10(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movb   $0x0,(%rax)
L39:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x15(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %dl,(%rax)
  mov    -0x8(%rbp),%rax
  movzbl -0x15(%rbp),%edx
  mov    %dl,(%rax)
  subq   $0x1,-0x10(%rbp)
  addq   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jb     L39
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void itoa(unsigned long val, char *buf, unsigned radix) {
  char *p;
  char *firstdig;
  char temp;
  unsigned digval;
  p = buf;
  firstdig = p;
  do {
    digval = (unsigned)(val % radix);
    val /= radix;
    if (digval > 9)
      *p++ = (char)(digval - 10 + 'a');
    else
      *p++ = (char)(digval + '0');
  } while (val > 0);
  *p-- = '\0';
  do {
    temp = *p;
    *p = *firstdig;
    *firstdig = temp;
    --p;
    ++firstdig;
  } while (firstdig < p);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<itoa>:
  endbr64
  mov    %rdi,%rax
  lea    0x1(%rsi),%rcx
  mov    %edx,%edi
  jmp    L4
L37:
  mov    %rcx,%r9
  add    $0x57,%edx
L16:
  mov    %dl,-0x1(%rcx)
  add    $0x1,%rcx
  cmp    %r8,%rdi
  ja     L1
L4:
  mov    %rax,%r8
  mov    $0x0,%edx
  div    %rdi
  cmp    $0x9,%edx
  ja     L37
  mov    %rcx,%r9
  add    $0x30,%edx
  jmp    L16
L1:
  lea    -0x1(%r9),%rax
  movb   $0x0,(%r9)
L26:
  movzbl (%rax),%edx
  movzbl (%rsi),%ecx
  mov    %cl,(%rax)
  mov    %dl,(%rsi)
  sub    $0x1,%rax
  add    $0x1,%rsi
  cmp    %rsi,%rax
  ja     L26
  ret
```

assistant: ```c
void itoa(unsigned long val, char *buf, unsigned radix) {
  char *p;
  char *firstdig;
  char temp;
  unsigned digval;
  p = buf;
  firstdig = p;
  do {
    digval = (unsigned)(val % radix);
    val /= radix;
    if (digval > 9)
      *p++ = (char)(digval - 10 + 'a');
    else
      *p++ = (char)(digval + '0');
  } while (val > 0);
  *p-- = '\0';
  do {
    temp = *p;
    *p = *firstdig;
    *firstdig = temp;
    --p;
    ++firstdig;
  } while (firstdig < p);
}
```
user: Translate the below assembly code into C programming language:

```asm
<itoa>:
  endbr64
  mov    %rdi,%rax
  mov    %edx,%r8d
  mov    %rsi,%r9
  nopl   (%rax)
L14:
  xor    %edx,%edx
  mov    %rax,%r10
  mov    %r9,%rcx
  div    %r8
  lea    0x1(%r9),%r9
  lea    0x57(%rdx),%r11d
  lea    0x30(%rdx),%edi
  cmp    $0xa,%rdx
  cmovae %r11d,%edi
  mov    %dil,-0x1(%r9)
  cmp    %r8,%r10
  jae    L14
  movb   $0x0,(%r9)
  nopl   0x0(%rax,%rax,1)
L13:
  movzbl (%rcx),%eax
  movzbl (%rsi),%edx
  sub    $0x1,%rcx
  add    $0x1,%rsi
  mov    %dl,0x1(%rcx)
  mov    %al,-0x1(%rsi)
  cmp    %rsi,%rcx
  ja     L13
  ret
```

assistant: ```c
void itoa(unsigned long val, char *buf, unsigned radix) {
  char *p;
  char *firstdig;
  char temp;
  unsigned digval;
  p = buf;
  firstdig = p;
  do {
    digval = (unsigned)(val % radix);
    val /= radix;
    if (digval > 9)
      *p++ = (char)(digval - 10 + 'a');
    else
      *p++ = (char)(digval + '0');
  } while (val > 0);
  *p-- = '\0';
  do {
    temp = *p;
    *p = *firstdig;
    *firstdig = temp;
    --p;
    ++firstdig;
  } while (firstdig < p);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<itoa>:
  endbr64
  mov    %edx,%r8d
  mov    %rsi,%rcx
  jmp    L41
  nopl   0x0(%rax)
L28:
  add    $0x57,%edx
  mov    %dl,-0x1(%r9)
  cmp    %rdi,%r8
  ja     L33
L24:
  mov    %r9,%rcx
  mov    %rax,%rdi
L41:
  mov    %rdi,%rax
  xor    %edx,%edx
  lea    0x1(%rcx),%r9
  div    %r8
  cmp    $0x9,%rdx
  ja     L28
  add    $0x30,%edx
  mov    %dl,-0x1(%r9)
  cmp    %rdi,%r8
  jbe    L24
L33:
  movb   $0x0,(%r9)
  nopl   0x0(%rax)
L10:
  movzbl (%rcx),%eax
  movzbl (%rsi),%edx
  sub    $0x1,%rcx
  add    $0x1,%rsi
  mov    %dl,0x1(%rcx)
  mov    %al,-0x1(%rsi)
  cmp    %rsi,%rcx
  ja     L10
  ret
```

assistant: ```c
void itoa(unsigned long val, char *buf, unsigned radix) {
  char *p;
  char *firstdig;
  char temp;
  unsigned digval;
  p = buf;
  firstdig = p;
  do {
    digval = (unsigned)(val % radix);
    val /= radix;
    if (digval > 9)
      *p++ = (char)(digval - 10 + 'a');
    else
      *p++ = (char)(digval + '0');
  } while (val > 0);
  *p-- = '\0';
  do {
    temp = *p;
    *p = *firstdig;
    *firstdig = temp;
    --p;
    ++firstdig;
  } while (firstdig < p);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strcspn>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L64
L69:
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L45
L40:
  addq   $0x1,-0x8(%rbp)
L45:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L23
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L40
L23:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L35
  addq   $0x1,-0x18(%rbp)
  addl   $0x1,-0xc(%rbp)
L64:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L69
  jmp    L0
L35:
  nop
L0:
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int strcspn(char *str1, char *str2) {
  unsigned int n;
  char *p;
  for (n = 0; *str1; str1++, n++) {
    for (p = str2; *p && *p != *str1; p++)
      ;
    if (!*p)
      break;
  }
  return n;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<strcspn>:
  endbr64
  movzbl (%rdi),%ecx
  test   %cl,%cl
  je     L47
  movzbl (%rsi),%r9d
  test   %r9b,%r9b
  setne  %r10b
  mov    $0x0,%r8d
  jmp    L76
L65:
  mov    %r9d,%edx
L69:
  test   %dl,%dl
  je     L13
  add    $0x1,%rdi
  add    $0x1,%r8d
  movzbl (%rdi),%ecx
  test   %cl,%cl
  je     L13
L76:
  cmp    %cl,%r9b
  je     L65
  mov    %rsi,%rax
  test   %r10b,%r10b
  je     L65
L30:
  add    $0x1,%rax
  movzbl (%rax),%edx
  cmp    %cl,%dl
  je     L69
  test   %dl,%dl
  jne    L30
  jmp    L69
L47:
  mov    $0x0,%r8d
L13:
  mov    %r8d,%eax
  ret
```

assistant: ```c
unsigned int strcspn(char *str1, char *str2) {
  unsigned int n;
  char *p;
  for (n = 0; *str1; str1++, n++) {
    for (p = str2; *p && *p != *str1; p++)
      ;
    if (!*p)
      break;
  }
  return n;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<strcspn>:
  endbr64
  movzbl (%rdi),%ecx
  xor    %r8d,%r8d
  test   %cl,%cl
  je     L18
  movzbl (%rsi),%r9d
  xor    %r8d,%r8d
  nopl   (%rax)
L3:
  test   %r9b,%r9b
  je     L18
  mov    %rsi,%rdx
  mov    %r9d,%eax
  jmp    L33
  nopl   (%rax)
L58:
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  test   %al,%al
  je     L18
L33:
  cmp    %al,%cl
  jne    L58
  movzbl 0x1(%rdi),%ecx
  add    $0x1,%rdi
  add    $0x1,%r8d
  test   %cl,%cl
  jne    L3
L18:
  mov    %r8d,%eax
  ret
```

assistant: ```c
unsigned int strcspn(char *str1, char *str2) {
  unsigned int n;
  char *p;
  for (n = 0; *str1; str1++, n++) {
    for (p = str2; *p && *p != *str1; p++)
      ;
    if (!*p)
      break;
  }
  return n;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strcspn>:
  endbr64
  movzbl (%rdi),%ecx
  xor    %r8d,%r8d
  test   %cl,%cl
  je     L19
  movzbl (%rsi),%r9d
  xor    %r8d,%r8d
  nopl   (%rax)
L54:
  test   %r9b,%r9b
  je     L19
  mov    %rsi,%rdx
  mov    %r9d,%eax
  jmp    L32
  nopl   (%rax)
L25:
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  test   %al,%al
  je     L19
L32:
  cmp    %al,%cl
  jne    L25
  movzbl 0x1(%rdi),%ecx
  add    $0x1,%rdi
  add    $0x1,%r8d
  test   %cl,%cl
  jne    L54
L19:
  mov    %r8d,%eax
  ret
```

assistant: ```c
unsigned int strcspn(char *str1, char *str2) {
  unsigned int n;
  char *p;
  for (n = 0; *str1; str1++, n++) {
    for (p = str2; *p && *p != *str1; p++)
      ;
    if (!*p)
      break;
  }
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<isotime_r>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  add    $0x76c,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x5,%edx
  sar    $0x1f,%eax
  mov    %edx,%ecx
  sub    %eax,%ecx
  mov    -0x20(%rbp),%rax
  mov    $0x2d,%edx
  mov    %rax,%rsi
  mov    %ecx,%edi
  call   <__print_lz@plt>
  addq   $0x2,-0x20(%rbp)
  mov    -0x4(%rbp),%edx
  movslq %edx,%rax
  imul   $0x51eb851f,%rax,%rax
  shr    $0x20,%rax
  sar    $0x5,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  imul   $0x64,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    -0x20(%rbp),%rcx
  mov    $0x2d,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__print_lz@plt>
  addq   $0x3,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    0x4(%rax),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x4(%rbp),%eax
  mov    $0x2d,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__print_lz@plt>
  addq   $0x3,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    0x8(%rax),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x4(%rbp),%eax
  mov    $0x20,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__print_lz@plt>
  addq   $0x3,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    0xc(%rax),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x4(%rbp),%eax
  mov    $0x3a,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__print_lz@plt>
  addq   $0x3,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    0x10(%rax),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x4(%rbp),%eax
  mov    $0x3a,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__print_lz@plt>
  addq   $0x3,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    0x14(%rax),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x4(%rbp),%eax
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <__print_lz@plt>
  nop
  leave
  ret
```

assistant: ```c
void isotime_r(const struct tm *tmptr, char *buffer) {
  int i;
  i = tmptr->tm_year + 1900;
  __print_lz(i / 100, buffer, '-');
  buffer += 2;
  __print_lz(i % 100, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mon + 1;
  __print_lz(i, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mday;
  __print_lz(i, buffer, ' ');
  buffer += 3;
  i = tmptr->tm_hour;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_min;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_sec;
  __print_lz(i, buffer, 0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<isotime_r>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    (%rdi),%eax
  lea    0x76c(%rax),%r13d
  movslq %r13d,%rbp
  imul   $0x51eb851f,%rbp,%rbp
  sar    $0x25,%rbp
  mov    %r13d,%eax
  sar    $0x1f,%eax
  sub    %eax,%ebp
  mov    $0x2d,%edx
  mov    %ebp,%edi
  call   <__print_lz@plt>
  lea    0x2(%rbx),%rsi
  imul   $0x64,%ebp,%ebp
  mov    %r13d,%edi
  sub    %ebp,%edi
  mov    $0x2d,%edx
  call   <__print_lz@plt>
  lea    0x5(%rbx),%rsi
  mov    0x4(%r12),%eax
  lea    0x1(%rax),%edi
  mov    $0x2d,%edx
  call   <__print_lz@plt>
  lea    0x8(%rbx),%rsi
  mov    0x8(%r12),%edi
  mov    $0x20,%edx
  call   <__print_lz@plt>
  lea    0xb(%rbx),%rsi
  mov    0xc(%r12),%edi
  mov    $0x3a,%edx
  call   <__print_lz@plt>
  lea    0xe(%rbx),%rsi
  mov    0x10(%r12),%edi
  mov    $0x3a,%edx
  call   <__print_lz@plt>
  lea    0x11(%rbx),%rsi
  mov    0x14(%r12),%edi
  mov    $0x0,%edx
  call   <__print_lz@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void isotime_r(const struct tm *tmptr, char *buffer) {
  int i;
  i = tmptr->tm_year + 1900;
  __print_lz(i / 100, buffer, '-');
  buffer += 2;
  __print_lz(i % 100, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mon + 1;
  __print_lz(i, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mday;
  __print_lz(i, buffer, ' ');
  buffer += 3;
  i = tmptr->tm_hour;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_min;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_sec;
  __print_lz(i, buffer, 0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<isotime_r>:
  endbr64
  push   %r13
  mov    $0x2d,%edx
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  mov    (%rdi),%eax
  lea    0x76c(%rax),%r13d
  movslq %r13d,%rbp
  mov    %r13d,%eax
  imul   $0x51eb851f,%rbp,%rbp
  sar    $0x1f,%eax
  sar    $0x25,%rbp
  sub    %eax,%ebp
  mov    %ebp,%edi
  imul   $0x64,%ebp,%ebp
  call   <__print_lz@plt>
  mov    %r13d,%edi
  lea    0x2(%rbx),%rsi
  mov    $0x2d,%edx
  sub    %ebp,%edi
  call   <__print_lz@plt>
  mov    0x4(%r12),%eax
  lea    0x5(%rbx),%rsi
  mov    $0x2d,%edx
  lea    0x1(%rax),%edi
  call   <__print_lz@plt>
  mov    0x8(%r12),%edi
  lea    0x8(%rbx),%rsi
  mov    $0x20,%edx
  call   <__print_lz@plt>
  mov    0xc(%r12),%edi
  lea    0xb(%rbx),%rsi
  mov    $0x3a,%edx
  call   <__print_lz@plt>
  mov    0x10(%r12),%edi
  lea    0xe(%rbx),%rsi
  mov    $0x3a,%edx
  call   <__print_lz@plt>
  mov    0x14(%r12),%edi
  add    $0x8,%rsp
  xor    %edx,%edx
  lea    0x11(%rbx),%rsi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1050 <__print_lz@plt>
```

assistant: ```c
void isotime_r(const struct tm *tmptr, char *buffer) {
  int i;
  i = tmptr->tm_year + 1900;
  __print_lz(i / 100, buffer, '-');
  buffer += 2;
  __print_lz(i % 100, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mon + 1;
  __print_lz(i, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mday;
  __print_lz(i, buffer, ' ');
  buffer += 3;
  i = tmptr->tm_hour;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_min;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_sec;
  __print_lz(i, buffer, 0);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<isotime_r>:
  endbr64
  push   %r13
  mov    $0x2d,%edx
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  mov    (%rdi),%eax
  lea    0x76c(%rax),%r13d
  movslq %r13d,%rbp
  mov    %r13d,%eax
  imul   $0x51eb851f,%rbp,%rbp
  sar    $0x1f,%eax
  sar    $0x25,%rbp
  sub    %eax,%ebp
  mov    %ebp,%edi
  imul   $0x64,%ebp,%ebp
  call   <__print_lz@plt>
  mov    %r13d,%edi
  lea    0x2(%rbx),%rsi
  mov    $0x2d,%edx
  sub    %ebp,%edi
  call   <__print_lz@plt>
  mov    0x4(%r12),%eax
  lea    0x5(%rbx),%rsi
  mov    $0x2d,%edx
  lea    0x1(%rax),%edi
  call   <__print_lz@plt>
  mov    0x8(%r12),%edi
  lea    0x8(%rbx),%rsi
  mov    $0x20,%edx
  call   <__print_lz@plt>
  mov    0xc(%r12),%edi
  lea    0xb(%rbx),%rsi
  mov    $0x3a,%edx
  call   <__print_lz@plt>
  mov    0x10(%r12),%edi
  lea    0xe(%rbx),%rsi
  mov    $0x3a,%edx
  call   <__print_lz@plt>
  mov    0x14(%r12),%edi
  add    $0x8,%rsp
  xor    %edx,%edx
  lea    0x11(%rbx),%rsi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1050 <__print_lz@plt>
```

assistant: ```c
void isotime_r(const struct tm *tmptr, char *buffer) {
  int i;
  i = tmptr->tm_year + 1900;
  __print_lz(i / 100, buffer, '-');
  buffer += 2;
  __print_lz(i % 100, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mon + 1;
  __print_lz(i, buffer, '-');
  buffer += 3;
  i = tmptr->tm_mday;
  __print_lz(i, buffer, ' ');
  buffer += 3;
  i = tmptr->tm_hour;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_min;
  __print_lz(i, buffer, ':');
  buffer += 3;
  i = tmptr->tm_sec;
  __print_lz(i, buffer, 0);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<vde_chain_nm4_work>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L20
  mov    -0x8(%rbp),%rax
  movl   $0x4,(%rax)
L20:
  cmpq   $0x0,-0x10(%rbp)
  je     L18
  mov    -0x10(%rbp),%rax
  movl   $0x3,(%rax)
L18:
  cmpq   $0x0,-0x18(%rbp)
  je     L37
  mov    -0x18(%rbp),%rax
  movl   $0x0,(%rax)
L37:
  cmpq   $0x0,-0x20(%rbp)
  je     L10
  mov    -0x20(%rbp),%rax
  movl   $0x30,(%rax)
L10:
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int vde_chain_nm4_work(int *sz_arg, int *sz_res, int *sz_iw, int *sz_w) {
  if (sz_arg)
    *sz_arg = 4;
  if (sz_res)
    *sz_res = 3;
  if (sz_iw)
    *sz_iw = 0;
  if (sz_w)
    *sz_w = 48;
  return 0;
}
```