ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Translate the below assembly code into C programming language:

```asm
<get_num_bits_set>:
  endbr64
  xor    %ecx,%ecx
  xor    %r8d,%r8d
  nopl   0x0(%rax)
L5:
  mov    %edi,%eax
  sar    %cl,%eax
  and    $0x1,%eax
  cmp    $0x1,%eax
  sbb    $0xffffffff,%r8d
  add    $0x1,%ecx
  cmp    $0x20,%ecx
  jne    L5
  mov    %r8d,%eax
  ret
```

assistant: ```c
int get_num_bits_set(int num) {
  int total = 0;
  int index;
  for (index = 0; index < (sizeof(int) * 8); ++index) {
    if (num & (1 << index)) {
      ++total;
    }
  }
  return (total);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<get_num_bits_set>:
  endbr64
  xor    %ecx,%ecx
  xor    %r8d,%r8d
  nopl   0x0(%rax)
L0:
  mov    %edi,%eax
  sar    %cl,%eax
  and    $0x1,%eax
  cmp    $0x1,%eax
  sbb    $0xffffffff,%r8d
  add    $0x1,%ecx
  cmp    $0x20,%ecx
  jne    L0
  mov    %r8d,%eax
  ret
```

assistant: ```c
int get_num_bits_set(int num) {
  int total = 0;
  int index;
  for (index = 0; index < (sizeof(int) * 8); ++index) {
    if (num & (1 << index)) {
      ++total;
    }
  }
  return (total);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<mapitem>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  jmp    L45
L86:
  addq   $0x1,-0x18(%rbp)
L45:
  cmpq   $0x0,-0x18(%rbp)
  je     L60
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L60
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L86
L60:
  cmpq   $0x0,-0x18(%rbp)
  je     L7
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L24
L7:
  mov    $0x0,%eax
  jmp    L72
L24:
  lea    -0xc(%rbp),%rdi
  mov    -0x30(%rbp),%rsi
  mov    -0x28(%rbp),%rcx
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdi,%r9
  mov    %rsi,%r8
  lea    D21(%rip),%rsi
  mov    %rax,%rdi
  call   <sscanf@plt>
  cmp    $0x2,%eax
  jg     L81
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdx
  lea    D11(%rip),%rax
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <die@plt>
L81:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
L72:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L30
  call   <__stack_chk_fail@plt>
L30:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D6
type_guessed: string
name: unpack_data
arguments: data_tag: D21
type_guessed: string
name: unpack_data
arguments: data_tag: D11
type_guessed: string

tool: D6: ,;

tool: D21: %u:%u:%u%zn

tool: D11: Invalid ID map '%s'

assistant: ```c
char *mapitem(char *map, unsigned *first, unsigned *lower, unsigned *count) {
  ssize_t skip;
  while (map && *map && strchr(",;", *map))
    map++;
  if (map == NULL || *map == '\0')
    return NULL;
  if (sscanf(map, "%u:%u:%u%zn", first, lower, count, &skip) < 3)
    die(0, "Invalid ID map '%s'", map);
  return map + skip;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<mapitem>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %rdx,%r13
  mov    %rcx,%r14
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D6(%rip),%rbp
  mov    %rdi,%rax
  test   %rdi,%rdi
  jne    L44
  jmp    L62
L16:
  add    $0x1,%rbx
L44:
  movzbl (%rbx),%esi
  test   %sil,%sil
  je     L19
  movsbl %sil,%esi
  mov    %rbp,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L16
L19:
  mov    $0x0,%eax
  cmpb   $0x0,(%rbx)
  je     L62
  lea    0x4(%rsp),%r9
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  lea    D16(%rip),%rsi
  mov    %rbx,%rdi
  call   <sscanf@plt>
  cmp    $0x2,%eax
  jle    L9
L53:
  movslq 0x4(%rsp),%rax
  add    %rbx,%rax
L62:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L77
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L9:
  mov    %rbx,%rdx
  lea    D0(%rip),%rsi
  mov    $0x0,%edi
  call   <die@plt>
  jmp    L53
L77:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D6
datatype: string
name: retrieve_data
arguments: data_label: D16
datatype: string
name: retrieve_data
arguments: data_label: D0
datatype: string

tool: D6: ,;

tool: D16: %u:%u:%u%zn

tool: D0: Invalid ID map '%s'

assistant: ```c
char *mapitem(char *map, unsigned *first, unsigned *lower, unsigned *count) {
  ssize_t skip;
  while (map && *map && strchr(",;", *map))
    map++;
  if (map == NULL || *map == '\0')
    return NULL;
  if (sscanf(map, "%u:%u:%u%zn", first, lower, count, &skip) < 3)
    die(0, "Invalid ID map '%s'", map);
  return map + skip;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<mapitem>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L76
  mov    %rdi,%r14
  mov    %rsi,%r12
  mov    %rdx,%r13
  mov    %rcx,%rbp
  lea    D0(%rip),%rbx
  jmp    L24
  nopw   0x0(%rax,%rax,1)
L65:
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L46
  add    $0x1,%r14
L24:
  movsbl (%r14),%esi
  test   %sil,%sil
  jne    L65
L76:
  xor    %eax,%eax
  jmp    L40
  xchg   %ax,%ax
L46:
  cmpb   $0x0,(%r14)
  je     L76
  lea    0x4(%rsp),%r9
  mov    %rbp,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  lea    D12(%rip),%rsi
  mov    %r14,%rdi
  call   <sscanf@plt>
  cmp    $0x2,%eax
  jle    L30
L4:
  movslq 0x4(%rsp),%rax
  add    %r14,%rax
L40:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L30:
  mov    %r14,%rdx
  lea    D27(%rip),%rsi
  xor    %edi,%edi
  call   <die@plt>
  jmp    L4
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D0
type_infered: string
name: disassemble_data
arguments: label: D12
type_infered: string
name: disassemble_data
arguments: label: D27
type_infered: string

tool: D0: ,;

tool: D12: %u:%u:%u%zn

tool: D27: Invalid ID map '%s'

assistant: ```c
char *mapitem(char *map, unsigned *first, unsigned *lower, unsigned *count) {
  ssize_t skip;
  while (map && *map && strchr(",;", *map))
    map++;
  if (map == NULL || *map == '\0')
    return NULL;
  if (sscanf(map, "%u:%u:%u%zn", first, lower, count, &skip) < 3)
    die(0, "Invalid ID map '%s'", map);
  return map + skip;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<mapitem>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L1
  mov    %rdi,%r14
  mov    %rsi,%r12
  mov    %rdx,%r13
  mov    %rcx,%rbp
  lea    D20(%rip),%rbx
  jmp    L28
  nopw   0x0(%rax,%rax,1)
L19:
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L23
  add    $0x1,%r14
L28:
  movsbl (%r14),%esi
  test   %sil,%sil
  jne    L19
L1:
  xor    %eax,%eax
  jmp    L38
  xchg   %ax,%ax
L23:
  cmpb   $0x0,(%r14)
  je     L1
  lea    0x4(%rsp),%r9
  mov    %rbp,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  lea    D7(%rip),%rsi
  mov    %r14,%rdi
  call   <sscanf@plt>
  cmp    $0x2,%eax
  jle    L77
L8:
  movslq 0x4(%rsp),%rax
  add    %r14,%rax
L38:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L30
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L77:
  mov    %r14,%rdx
  lea    D11(%rip),%rsi
  xor    %edi,%edi
  call   <die@plt>
  jmp    L8
L30:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D20
datatype: string
name: disassemble_data
arguments: label: D7
datatype: string
name: disassemble_data
arguments: label: D11
datatype: string

tool: D20: ,;

tool: D7: %u:%u:%u%zn

tool: D11: Invalid ID map '%s'

assistant: ```c
char *mapitem(char *map, unsigned *first, unsigned *lower, unsigned *count) {
  ssize_t skip;
  while (map && *map && strchr(",;", *map))
    map++;
  if (map == NULL || *map == '\0')
    return NULL;
  if (sscanf(map, "%u:%u:%u%zn", first, lower, count, &skip) < 3)
    die(0, "Invalid ID map '%s'", map);
  return map + skip;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<singleNumber>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L13
L11:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  xor    %eax,-0x8(%rbp)
  addl   $0x1,-0x4(%rbp)
L13:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L11
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int singleNumber(const int *nums, int numsSize) {
  int result = 0;
  for (int i = 0; i < numsSize; i++) {
    result ^= nums[i];
  }
  return result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<singleNumber>:
  endbr64
  test   %esi,%esi
  jle    L9
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x4(%rdi,%rdx,4),%rcx
  mov    $0x0,%edx
L0:
  xor    (%rax),%edx
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L0
L1:
  mov    %edx,%eax
  ret
L9:
  mov    $0x0,%edx
  jmp    L1
```

assistant: ```c
int singleNumber(const int *nums, int numsSize) {
  int result = 0;
  for (int i = 0; i < numsSize; i++) {
    result ^= nums[i];
  }
  return result;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<singleNumber>:
  endbr64
  test   %esi,%esi
  jle    L19
  lea    -0x1(%rsi),%eax
  lea    0x4(%rdi,%rax,4),%rdx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L8:
  xor    (%rdi),%eax
  add    $0x4,%rdi
  cmp    %rdx,%rdi
  jne    L8
  ret
  nopl   0x0(%rax)
L19:
  xor    %eax,%eax
  ret
```

assistant: ```c
int singleNumber(const int *nums, int numsSize) {
  int result = 0;
  for (int i = 0; i < numsSize; i++) {
    result ^= nums[i];
  }
  return result;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<singleNumber>:
  endbr64
  mov    %rdi,%rdx
  test   %esi,%esi
  jle    L25
  lea    -0x1(%rsi),%eax
  cmp    $0x2,%eax
  jbe    L14
  mov    %esi,%ecx
  mov    %rdi,%rax
  pxor   %xmm0,%xmm0
  shr    $0x2,%ecx
  sub    $0x1,%ecx
  shl    $0x4,%rcx
  lea    0x10(%rdi,%rcx,1),%rcx
  nopl   0x0(%rax,%rax,1)
L67:
  movdqu (%rax),%xmm2
  add    $0x10,%rax
  pxor   %xmm2,%xmm0
  cmp    %rcx,%rax
  jne    L67
  movdqa %xmm0,%xmm1
  mov    %esi,%ecx
  psrldq $0x8,%xmm1
  and    $0xfffffffc,%ecx
  pxor   %xmm1,%xmm0
  movdqa %xmm0,%xmm1
  psrldq $0x4,%xmm1
  pxor   %xmm1,%xmm0
  movd   %xmm0,%eax
  test   $0x3,%sil
  je     L5
L50:
  movslq %ecx,%rdi
  lea    0x0(,%rdi,4),%r8
  xor    (%rdx,%rdi,4),%eax
  lea    0x1(%rcx),%edi
  cmp    %edi,%esi
  jle    L57
  add    $0x2,%ecx
  xor    0x4(%rdx,%r8,1),%eax
  cmp    %ecx,%esi
  jle    L57
  xor    0x8(%rdx,%r8,1),%eax
  ret
  nopl   0x0(%rax)
L25:
  xor    %eax,%eax
L57:
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  ret
L14:
  xor    %ecx,%ecx
  xor    %eax,%eax
  jmp    L50
```

assistant: ```c
int singleNumber(const int *nums, int numsSize) {
  int result = 0;
  for (int i = 0; i < numsSize; i++) {
    result ^= nums[i];
  }
  return result;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rdx
  lea    -0x10(%rbp),%rax
  mov    %rax,%rsi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x10(%rbp),%eax
  add    $0x64,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0xc(%rbp),%ecx
  movslq %ecx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %ecx,%esi
  sar    $0x1f,%esi
  sub    %esi,%eax
  mov    %eax,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %edx,-0xc(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x10(%rbp),%eax
  mov    %eax,%esi
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D17
type_guessed: string

tool: D17: %d %d

assistant: ```c
int main() {
  int a, b;
  scanf("%d %d", &a, &b);
  a += 100;
  b %= 10;
  printf("%d %d", a, b);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %rsp,%rsi
  lea    D9(%rip),%rbx
  mov    %rbx,%rdi
  call   <scanf@plt>
  mov    (%rsp),%eax
  lea    0x64(%rax),%esi
  mov    %esi,(%rsp)
  mov    0x4(%rsp),%ecx
  movslq %ecx,%rdx
  imul   $0x66666667,%rdx,%rdx
  sar    $0x22,%rdx
  mov    %ecx,%eax
  sar    $0x1f,%eax
  sub    %eax,%edx
  lea    (%rdx,%rdx,4),%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %ecx,0x4(%rsp)
  mov    %rbx,%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D9
type: string

tool: D9: %d %d

assistant: ```c
int main() {
  int a, b;
  scanf("%d %d", &a, &b);
  a += 100;
  b %= 10;
  printf("%d %d", a, b);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %rbp
  lea    D4(%rip),%rbp
  mov    %rbp,%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %rsp,%rsi
  call   <scanf@plt>
  movslq 0x4(%rsp),%rdx
  mov    (%rsp),%eax
  mov    %rbp,%rdi
  mov    %rdx,%rcx
  imul   $0x66666667,%rdx,%rdx
  lea    0x64(%rax),%esi
  mov    %ecx,%eax
  mov    %esi,(%rsp)
  sar    $0x1f,%eax
  sar    $0x22,%rdx
  sub    %eax,%edx
  lea    (%rdx,%rdx,4),%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %ecx,0x4(%rsp)
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D4
type: string

tool: D4: %d %d

assistant: ```c
int main() {
  int a, b;
  scanf("%d %d", &a, &b);
  a += 100;
  b %= 10;
  printf("%d %d", a, b);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D1(%rip),%rbp
  mov    %rbp,%rdi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %rsp,%rsi
  call   <scanf@plt>
  movslq 0x4(%rsp),%rdx
  mov    (%rsp),%eax
  mov    %rbp,%rdi
  mov    %rdx,%rcx
  imul   $0x66666667,%rdx,%rdx
  lea    0x64(%rax),%esi
  mov    %ecx,%eax
  mov    %esi,(%rsp)
  sar    $0x1f,%eax
  sar    $0x22,%rdx
  sub    %eax,%edx
  lea    (%rdx,%rdx,4),%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %ecx,0x4(%rsp)
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D1
datatype: string

tool: D1: %d %d

assistant: ```c
int main() {
  int a, b;
  scanf("%d %d", &a, &b);
  a += 100;
  b %= 10;
  printf("%d %d", a, b);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<rffti>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  cmpl   $0x1,-0x4(%rbp)
  je     L10
  mov    -0x4(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x10(%rbp),%rax
  add    %rax,%rcx
  mov    -0x4(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <rffti1@plt>
  jmp    L9
L10:
  nop
L9:
  leave
  ret
```

assistant: ```c
void rffti(int n, float wsave[]) {
  if (n == 1)
    return;
  rffti1(n, wsave + n, (int *)(wsave + 2 * n));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<rffti>:
  endbr64
  cmp    $0x1,%edi
  je     L8
  sub    $0x8,%rsp
  lea    (%rdi,%rdi,1),%eax
  cltq
  lea    (%rsi,%rax,4),%rdx
  movslq %edi,%rax
  lea    (%rsi,%rax,4),%rsi
  call   <rffti1@plt>
  add    $0x8,%rsp
  ret
L8:
  ret
```

assistant: ```c
void rffti(int n, float wsave[]) {
  if (n == 1)
    return;
  rffti1(n, wsave + n, (int *)(wsave + 2 * n));
}
```
user: What is the c source code of the assembly code below:

```asm
<rffti>:
  endbr64
  cmp    $0x1,%edi
  je     L4
  lea    (%rdi,%rdi,1),%eax
  cltq
  lea    (%rsi,%rax,4),%rdx
  movslq %edi,%rax
  lea    (%rsi,%rax,4),%rsi
  jmp    1050 <rffti1@plt>
  xchg   %ax,%ax
L4:
  ret
```

assistant: ```c
void rffti(int n, float wsave[]) {
  if (n == 1)
    return;
  rffti1(n, wsave + n, (int *)(wsave + 2 * n));
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<rffti>:
  endbr64
  cmp    $0x1,%edi
  je     L8
  lea    (%rdi,%rdi,1),%eax
  cltq
  lea    (%rsi,%rax,4),%rdx
  movslq %edi,%rax
  lea    (%rsi,%rax,4),%rsi
  jmp    1050 <rffti1@plt>
  xchg   %ax,%ax
L8:
  ret
```

assistant: ```c
void rffti(int n, float wsave[]) {
  if (n == 1)
    return;
  rffti1(n, wsave + n, (int *)(wsave + 2 * n));
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<asm_bad>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x4(%rbp)
  subl   $0x1,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  je     L5
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  cmp    $0x8e,%eax
  jne    L64
  mov    -0x20(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  and    $0x38,%eax
  cmp    $0x20,%eax
  je     L44
L64:
  mov    -0x28(%rbp),%rax
  sub    $0x4,%rax
  mov    (%rax),%eax
  cmp    $0x8e,%eax
  jne    L5
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  and    $0x38,%eax
  cmp    $0x20,%eax
  je     L11
  jmp    L5
L28:
  mov    -0x20(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  mov    (%rax),%eax
  cmp    $0x64,%eax
  je     L116
L5:
  mov    -0x14(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x14(%rbp)
  test   %eax,%eax
  jne    L28
  nop
L40:
  mov    -0x4(%rbp),%eax
  jmp    L7
L44:
  nop
  jmp    L32
L11:
  nop
  jmp    L32
L116:
  nop
L32:
  movl   $0x1,-0x4(%rbp)
  jmp    L40
L7:
  pop    %rbp
  ret
```

assistant: ```c
bool asm_bad(unsigned len, const uint8_t *pfirst, const uint8_t *plast) {
  bool ret = false;
  if (--len > 0) {
    if (pfirst[0] == 0x8e && (pfirst[1] & 0x38) == 0x20)
      goto bad;
    if (plast[-1] == 0x8e && (plast[0] & 0x38) == 0x20)
      goto bad;
  }
  while (len-- > 0) {
    if (*pfirst++ == 0x64)
      goto bad;
  }
out:
  return ret;
bad:
  ret = true;
  goto out;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<asm_bad>:
  endbr64
  mov    $0x0,%eax
  sub    $0x1,%edi
  je     L12
  cmpl   $0x8e,(%rsi)
  je     L60
L1:
  cmpl   $0x8e,-0x4(%rdx)
  je     L6
L15:
  mov    %edi,%edi
  lea    (%rsi,%rdi,4),%rax
L5:
  cmp    %rax,%rsi
  je     L28
  add    $0x4,%rsi
  cmpl   $0x64,-0x4(%rsi)
  jne    L5
  mov    $0x1,%eax
L12:
  ret
L60:
  mov    0x4(%rsi),%ecx
  and    $0x38,%ecx
  mov    $0x1,%eax
  cmp    $0x20,%ecx
  jne    L1
  jmp    L12
L6:
  mov    (%rdx),%edx
  and    $0x38,%edx
  mov    $0x1,%eax
  cmp    $0x20,%edx
  jne    L15
  ret
L28:
  mov    $0x0,%eax
  ret
```

assistant: ```c
bool asm_bad(unsigned len, const uint8_t *pfirst, const uint8_t *plast) {
  bool ret = false;
  if (--len > 0) {
    if (pfirst[0] == 0x8e && (pfirst[1] & 0x38) == 0x20)
      goto bad;
    if (plast[-1] == 0x8e && (plast[0] & 0x38) == 0x20)
      goto bad;
  }
  while (len-- > 0) {
    if (*pfirst++ == 0x64)
      goto bad;
  }
out:
  return ret;
bad:
  ret = true;
  goto out;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<asm_bad>:
  endbr64
  xor    %r8d,%r8d
  cmp    $0x1,%edi
  je     L45
  mov    (%rsi),%eax
  cmp    $0x8e,%eax
  je     L42
  cmpl   $0x8e,-0x4(%rdx)
  je     L46
L93:
  lea    -0x1(%rdi),%edx
  lea    (%rsi,%rdx,4),%rdx
  jmp    L41
  nopw   0x0(%rax,%rax,1)
L11:
  cmp    %rdx,%rsi
  je     L18
  mov    (%rsi),%eax
L41:
  add    $0x4,%rsi
  cmp    $0x64,%eax
  jne    L11
  mov    $0x1,%r8d
L45:
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L42:
  mov    0x4(%rsi),%ecx
  mov    $0x1,%r8d
  and    $0x38,%ecx
  cmp    $0x20,%ecx
  je     L45
  cmpl   $0x8e,-0x4(%rdx)
  jne    L93
L46:
  mov    (%rdx),%edx
  mov    $0x1,%r8d
  and    $0x38,%edx
  cmp    $0x20,%edx
  jne    L93
  jmp    L45
L18:
  xor    %r8d,%r8d
  jmp    L45
```

assistant: ```c
bool asm_bad(unsigned len, const uint8_t *pfirst, const uint8_t *plast) {
  bool ret = false;
  if (--len > 0) {
    if (pfirst[0] == 0x8e && (pfirst[1] & 0x38) == 0x20)
      goto bad;
    if (plast[-1] == 0x8e && (plast[0] & 0x38) == 0x20)
      goto bad;
  }
  while (len-- > 0) {
    if (*pfirst++ == 0x64)
      goto bad;
  }
out:
  return ret;
bad:
  ret = true;
  goto out;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<asm_bad>:
  endbr64
  xor    %eax,%eax
  cmp    $0x1,%edi
  je     L60
  cmpl   $0x8e,(%rsi)
  je     L80
  cmpl   $0x8e,-0x4(%rdx)
  je     L36
L19:
  lea    -0x1(%rdi),%eax
  lea    (%rsi,%rax,4),%rax
  jmp    L7
  nopl   (%rax)
L33:
  cmp    %rax,%rsi
  je     L14
L7:
  add    $0x4,%rsi
  cmpl   $0x64,-0x4(%rsi)
  jne    L33
  mov    $0x1,%eax
L60:
  ret
  nopl   (%rax)
L80:
  mov    0x4(%rsi),%ecx
  mov    $0x1,%eax
  and    $0x38,%ecx
  cmp    $0x20,%ecx
  je     L60
  cmpl   $0x8e,-0x4(%rdx)
  jne    L19
L36:
  mov    (%rdx),%edx
  mov    $0x1,%eax
  and    $0x38,%edx
  cmp    $0x20,%edx
  jne    L19
  ret
L14:
  xor    %eax,%eax
  ret
```

assistant: ```c
bool asm_bad(unsigned len, const uint8_t *pfirst, const uint8_t *plast) {
  bool ret = false;
  if (--len > 0) {
    if (pfirst[0] == 0x8e && (pfirst[1] & 0x38) == 0x20)
      goto bad;
    if (plast[-1] == 0x8e && (plast[0] & 0x38) == 0x20)
      goto bad;
  }
  while (len-- > 0) {
    if (*pfirst++ == 0x64)
      goto bad;
  }
out:
  return ret;
bad:
  ret = true;
  goto out;
}
```
user: Translate the below assembly code into C programming language:

```asm
<josephus>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  cmpl   $0x1,-0x4(%rbp)
  jne    L11
  mov    $0x1,%eax
  jmp    L12
L11:
  mov    -0x4(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x8(%rbp),%eax
  mov    %eax,%esi
  mov    %edx,%edi
  call   <josephus>
  mov    -0x8(%rbp),%edx
  add    %edx,%eax
  sub    $0x1,%eax
  cltd
  idivl  -0x4(%rbp)
  mov    %edx,%eax
  add    $0x1,%eax
L12:
  leave
  ret
```

assistant: ```c
int josephus(int n, int k) {
  if (n == 1)
    return 1;
  else
    return (josephus(n - 1, k) + k - 1) % n + 1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<josephus>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  cmp    $0x1,%edi
  jne    L9
L11:
  mov    %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L9:
  mov    %esi,%ebp
  lea    -0x1(%rdi),%edi
  call   <josephus>
  lea    -0x1(%rbp,%rax,1),%eax
  cltd
  idiv   %ebx
  lea    0x1(%rdx),%ebx
  jmp    L11
```

assistant: ```c
int josephus(int n, int k) {
  if (n == 1)
    return 1;
  else
    return (josephus(n - 1, k) + k - 1) % n + 1;
}
```