ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<RandomFunc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  xor    $0xffffffdb,%eax
  mov    %al,-0x9(%rbp)
  movb   $0x0,-0xa(%rbp)
  nop
  mov    -0x20(%rbp),%rax
  movb   $0xbf,(%rax)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = input[0UL] ^ (unsigned char)219;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] != local1) {
        if (state[0UL] == local1) {
          state[local1] = state[0UL] << (((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL);
          state[0UL] <<= ((state[0UL] >> (unsigned char)4) & (unsigned char)7) | 1UL;
        } else {
          state[local1] |= state[0UL];
          state[local1] <<= (state[local1] & (unsigned char)7) | 1UL;
        }
      } else if (state[0UL] > local1) {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)4) & (unsigned char)7) | 1UL);
        state[0UL] >>= ((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      } else {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)3) & (unsigned char)7) | 1UL);
        state[local1] <<= ((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      }
      local1 += 2UL;
    }
    output[0UL] = (state[0UL] & 609862541UL) | (unsigned char)191;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<RandomFunc>:
  endbr64
  movb   $0xbf,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = input[0UL] ^ (unsigned char)219;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] != local1) {
        if (state[0UL] == local1) {
          state[local1] = state[0UL] << (((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL);
          state[0UL] <<= ((state[0UL] >> (unsigned char)4) & (unsigned char)7) | 1UL;
        } else {
          state[local1] |= state[0UL];
          state[local1] <<= (state[local1] & (unsigned char)7) | 1UL;
        }
      } else if (state[0UL] > local1) {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)4) & (unsigned char)7) | 1UL);
        state[0UL] >>= ((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      } else {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)3) & (unsigned char)7) | 1UL);
        state[local1] <<= ((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      }
      local1 += 2UL;
    }
    output[0UL] = (state[0UL] & 609862541UL) | (unsigned char)191;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<RandomFunc>:
  endbr64
  movb   $0xbf,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = input[0UL] ^ (unsigned char)219;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] != local1) {
        if (state[0UL] == local1) {
          state[local1] = state[0UL] << (((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL);
          state[0UL] <<= ((state[0UL] >> (unsigned char)4) & (unsigned char)7) | 1UL;
        } else {
          state[local1] |= state[0UL];
          state[local1] <<= (state[local1] & (unsigned char)7) | 1UL;
        }
      } else if (state[0UL] > local1) {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)4) & (unsigned char)7) | 1UL);
        state[0UL] >>= ((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      } else {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)3) & (unsigned char)7) | 1UL);
        state[local1] <<= ((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      }
      local1 += 2UL;
    }
    output[0UL] = (state[0UL] & 609862541UL) | (unsigned char)191;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<RandomFunc>:
  endbr64
  movb   $0xbf,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned char input[1], unsigned char output[1]) {
  unsigned char state[1];
  unsigned char local1;
  {
    state[0UL] = input[0UL] ^ (unsigned char)219;
    local1 = 0UL;
    while (local1 < (unsigned char)0) {
      if (state[0UL] != local1) {
        if (state[0UL] == local1) {
          state[local1] = state[0UL] << (((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL);
          state[0UL] <<= ((state[0UL] >> (unsigned char)4) & (unsigned char)7) | 1UL;
        } else {
          state[local1] |= state[0UL];
          state[local1] <<= (state[local1] & (unsigned char)7) | 1UL;
        }
      } else if (state[0UL] > local1) {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)4) & (unsigned char)7) | 1UL);
        state[0UL] >>= ((state[0UL] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      } else {
        state[0UL] = state[local1] << (((state[local1] >> (unsigned char)3) & (unsigned char)7) | 1UL);
        state[local1] <<= ((state[local1] >> (unsigned char)1) & (unsigned char)7) | 1UL;
      }
      local1 += 2UL;
    }
    output[0UL] = (state[0UL] & 609862541UL) | (unsigned char)191;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<foo2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpl   $0x1,-0x14(%rbp)
  je     L44
  cmpl   $0x0,-0x14(%rbp)
  jle    L21
  mov    -0x14(%rbp),%eax
  sub    $0x2,%eax
  cmp    $0x8,%eax
  ja     L21
  jmp    L23
L44:
  movl   $0x2,-0x4(%rbp)
  jmp    L53
L23:
  movl   $0x3,-0x4(%rbp)
  jmp    L53
L21:
  movl   $0x2a,-0x4(%rbp)
  nop
L53:
  addl   $0x1,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int foo2(int i) {
  int j = 0;
  switch (i) {
  case 1:
    j = 2;
    break;
  case 2 ... 10:
    j = 3;
    break;
  default:
    j = 42;
    break;
  }
  j = j + 1;
  return j;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<foo2>:
  endbr64
  mov    $0x2,%eax
  cmp    $0x1,%edi
  je     L2
  sub    $0x2,%edi
  cmp    $0x9,%edi
  sbb    %eax,%eax
  and    $0xffffffd9,%eax
  add    $0x2a,%eax
L2:
  add    $0x1,%eax
  ret
```

assistant: ```c
int foo2(int i) {
  int j = 0;
  switch (i) {
  case 1:
    j = 2;
    break;
  case 2 ... 10:
    j = 3;
    break;
  default:
    j = 42;
    break;
  }
  j = j + 1;
  return j;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<foo2>:
  endbr64
  mov    $0x3,%eax
  cmp    $0x1,%edi
  je     L2
  sub    $0x2,%edi
  cmp    $0x9,%edi
  sbb    %eax,%eax
  and    $0xffffffd9,%eax
  add    $0x2b,%eax
L2:
  ret
```

assistant: ```c
int foo2(int i) {
  int j = 0;
  switch (i) {
  case 1:
    j = 2;
    break;
  case 2 ... 10:
    j = 3;
    break;
  default:
    j = 42;
    break;
  }
  j = j + 1;
  return j;
}
```
user: What is the c source code of the assembly code below?

```asm
<foo2>:
  endbr64
  mov    $0x3,%eax
  cmp    $0x1,%edi
  je     L8
  sub    $0x2,%edi
  cmp    $0x9,%edi
  sbb    %eax,%eax
  and    $0xffffffd9,%eax
  add    $0x2b,%eax
L8:
  ret
```

assistant: ```c
int foo2(int i) {
  int j = 0;
  switch (i) {
  case 1:
    j = 2;
    break;
  case 2 ... 10:
    j = 3;
    break;
  default:
    j = 42;
    break;
  }
  j = j + 1;
  return j;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<vfs_canon>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <g_strdup@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <canonicalize_pathname@plt>
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *vfs_canon(const char *path) {
  char *p = g_strdup(path);
  canonicalize_pathname(p);
  return p;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<vfs_canon>:
  endbr64
  push   %rbx
  call   <g_strdup@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <canonicalize_pathname@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
char *vfs_canon(const char *path) {
  char *p = g_strdup(path);
  canonicalize_pathname(p);
  return p;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<vfs_canon>:
  endbr64
  push   %r12
  call   <g_strdup@plt>
  mov    %rax,%r12
  mov    %rax,%rdi
  call   <canonicalize_pathname@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
char *vfs_canon(const char *path) {
  char *p = g_strdup(path);
  canonicalize_pathname(p);
  return p;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<vfs_canon>:
  endbr64
  push   %r12
  call   <g_strdup@plt>
  mov    %rax,%r12
  mov    %rax,%rdi
  call   <canonicalize_pathname@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
char *vfs_canon(const char *path) {
  char *p = g_strdup(path);
  canonicalize_pathname(p);
  return p;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<pr_freespace>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sdq -0x28(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  lea    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <adjust_unit@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  movq   %rax,%xmm0
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D8
datatype: string

tool: D8: Free space: %.2f %s


assistant: ```c
void pr_freespace(uint64_t fs) {
  double f = (double)fs;
  const char *unit = adjust_unit(&f);
  printf("Free space: %.2f %s\n", f, unit);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<pr_freespace>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdi,%xmm0
  movsd  %xmm0,(%rsp)
  mov    %rsp,%rdi
  call   <adjust_unit@plt>
  mov    %rax,%rsi
  movsd  (%rsp),%xmm0
  lea    D1(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D1
data_type: string

tool: D1: Free space: %.2f %s


assistant: ```c
void pr_freespace(uint64_t fs) {
  double f = (double)fs;
  const char *unit = adjust_unit(&f);
  printf("Free space: %.2f %s\n", f, unit);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<pr_freespace>:
  endbr64
  pxor   %xmm0,%xmm0
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cvtsi2sd %rdi,%xmm0
  mov    %rsp,%rdi
  movsd  %xmm0,(%rsp)
  call   <adjust_unit@plt>
  movsd  (%rsp),%xmm0
  lea    D1(%rip),%rdi
  mov    %rax,%rsi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x18,%rsp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D1
datatype: string

tool: D1: Free space: %.2f %s


assistant: ```c
void pr_freespace(uint64_t fs) {
  double f = (double)fs;
  const char *unit = adjust_unit(&f);
  printf("Free space: %.2f %s\n", f, unit);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<pr_freespace>:
  endbr64
  pxor   %xmm0,%xmm0
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cvtsi2sd %rdi,%xmm0
  mov    %rsp,%rdi
  movsd  %xmm0,(%rsp)
  call   <adjust_unit@plt>
  movsd  (%rsp),%xmm0
  lea    D5(%rip),%rdi
  mov    %rax,%rsi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x18,%rsp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D5
datatype: string

tool: D5: Free space: %.2f %s


assistant: ```c
void pr_freespace(uint64_t fs) {
  double f = (double)fs;
  const char *unit = adjust_unit(&f);
  printf("Free space: %.2f %s\n", f, unit);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<str2upr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <calloc@plt>
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L4
L11:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x1c(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  mov    %eax,%edi
  call   <toupper@plt>
  mov    %al,(%rbx)
  addl   $0x1,-0x1c(%rbp)
  addq   $0x1,-0x28(%rbp)
L4:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L11
  mov    -0x18(%rbp),%rax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *str2upr(char *s) {
  char *r = calloc(strlen(s) + 1, sizeof(char));
  int i = 0;
  while (*s) {
    r[i] = toupper(*s);
    ++i;
    ++s;
  }
  return r;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<str2upr>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %rax,%r12
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L12
  mov    %rax,%rbp
L16:
  movsbl %dil,%edi
  call   <toupper@plt>
  mov    %al,0x0(%rbp)
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  add    $0x1,%rbp
  test   %dil,%dil
  jne    L16
L12:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *str2upr(char *s) {
  char *r = calloc(strlen(s) + 1, sizeof(char));
  int i = 0;
  while (*s) {
    r[i] = toupper(*s);
    ++i;
    ++s;
  }
  return r;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<str2upr>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    $0x1,%esi
  lea    0x1(%rax),%rdi
  call   <calloc@plt>
  movsbl (%rbx),%edi
  mov    %rax,%r12
  test   %dil,%dil
  je     L11
  mov    %rax,%rbp
  nopl   0x0(%rax)
L16:
  call   <toupper@plt>
  add    $0x1,%rbx
  add    $0x1,%rbp
  mov    %al,-0x1(%rbp)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L16
L11:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *str2upr(char *s) {
  char *r = calloc(strlen(s) + 1, sizeof(char));
  int i = 0;
  while (*s) {
    r[i] = toupper(*s);
    ++i;
    ++s;
  }
  return r;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<str2upr>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    $0x1,%esi
  lea    0x1(%rax),%rdi
  call   <calloc@plt>
  movsbl (%rbx),%edi
  mov    %rax,%r12
  test   %dil,%dil
  je     L7
  mov    %rax,%rbp
  nopl   0x0(%rax)
L19:
  call   <toupper@plt>
  add    $0x1,%rbx
  add    $0x1,%rbp
  mov    %al,-0x1(%rbp)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L19
L7:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *str2upr(char *s) {
  char *r = calloc(strlen(s) + 1, sizeof(char));
  int i = 0;
  while (*s) {
    r[i] = toupper(*s);
    ++i;
    ++s;
  }
  return r;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<array_length>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L6
  mov    $0x0,%eax
  jmp    L20
L6:
  movl   $0x0,-0x4(%rbp)
  jmp    L29
L34:
  addl   $0x1,-0x4(%rbp)
L29:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L34
  mov    -0x4(%rbp),%eax
L20:
  pop    %rbp
  ret
```

assistant: ```c
int array_length(char **strings) {
  int i;
  if (!strings)
    return 0;
  i = 0;
  for (; strings[i]; i++)
    ;
  return i;
}
```
user: Translate the below assembly code into C programming language:

```asm
<array_length>:
  endbr64
  test   %rdi,%rdi
  je     L33
  cmpq   $0x0,(%rdi)
  je     L28
  mov    $0x1,%eax
L35:
  mov    %eax,%edx
  add    $0x1,%rax
  cmpq   $0x0,-0x8(%rdi,%rax,8)
  jne    L35
L5:
  mov    %edx,%eax
  ret
L33:
  mov    $0x0,%edx
  jmp    L5
L28:
  mov    $0x0,%edx
  jmp    L5
```

assistant: ```c
int array_length(char **strings) {
  int i;
  if (!strings)
    return 0;
  i = 0;
  for (; strings[i]; i++)
    ;
  return i;
}
```
user: Translate the below assembly code into C programming language:

```asm
<array_length>:
  endbr64
  test   %rdi,%rdi
  je     L19
  cmpq   $0x0,(%rdi)
  je     L19
  mov    $0x1,%eax
  nopl   0x0(%rax)
L25:
  mov    %eax,%r8d
  add    $0x1,%rax
  cmpq   $0x0,-0x8(%rdi,%rax,8)
  jne    L25
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L19:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int array_length(char **strings) {
  int i;
  if (!strings)
    return 0;
  i = 0;
  for (; strings[i]; i++)
    ;
  return i;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<array_length>:
  endbr64
  test   %rdi,%rdi
  je     L8
  cmpq   $0x0,(%rdi)
  je     L8
  mov    $0x1,%eax
  nopl   0x0(%rax)
L1:
  mov    %eax,%r8d
  add    $0x1,%rax
  cmpq   $0x0,-0x8(%rdi,%rax,8)
  jne    L1
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L8:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int array_length(char **strings) {
  int i;
  if (!strings)
    return 0;
  i = 0;
  for (; strings[i]; i++)
    ;
  return i;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<mp_mul_csqu_save_d1>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %rsi,%r12
  mov    %rdx,%rbx
  mov    %rcx,%r13
  mov    %r8,%r14
  lea    0x8(%rsi),%r15
  mov    %r15,%rdx
  mov    $0x1,%esi
  call   <cdft@plt>
  mov    0x4(%r13),%eax
  shl    $0x2,%eax
  cmp    %ebp,%eax
  jl     L34
L6:
  movsd  (%r12),%xmm0
  addsd  %xmm0,%xmm0
  movsd  %xmm0,(%rbx)
  movsd  0x8(%r12),%xmm0
  movsd  0x10(%r12),%xmm1
  movapd %xmm0,%xmm2
  mulsd  %xmm0,%xmm2
  movapd %xmm1,%xmm3
  mulsd  %xmm1,%xmm3
  addsd  %xmm3,%xmm2
  movsd  %xmm2,0x8(%rbx)
  addsd  %xmm0,%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,0x10(%rbx)
  cmp    $0x2,%ebp
  jg     L39
L20:
  movslq %ebp,%rax
  add    $0x1,%rax
  movsd  (%r12,%rax,8),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,(%rbx,%rax,8)
  lea    0x8(%rbx),%rdx
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    $0xffffffff,%esi
  mov    %ebp,%edi
  call   <cdft@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L34:
  movslq 0x0(%r13),%rax
  lea    (%r14,%rax,8),%rdx
  mov    %ebp,%edi
  sar    $0x2,%edi
  mov    %r13,%rsi
  call   <makect@plt>
  jmp    L6
L39:
  movslq 0x0(%r13),%rax
  mov    0x4(%r13),%ecx
  lea    0x8(%rbx),%rdx
  lea    (%r14,%rax,8),%r8
  mov    %r15,%rsi
  mov    %ebp,%edi
  call   <mp_mul_rcsqu_save@plt>
  jmp    L20
```

assistant: ```c
void mp_mul_csqu_save_d1(int nfft, double d1[], double d2[], int ip[], double w[]) {
  void makect(int nc, int *ip, double *c);
  void cdft(int n, int isgn, double *a, int *ip, double *w);
  void mp_mul_rcsqu_save(int n, double *a, double *b, int nc, double *c);
  double xr, xi;
  cdft(nfft, 1, &d1[1], ip, w);
  if (nfft > (ip[1] << 2)) {
    makect(nfft >> 2, ip, &w[ip[0]]);
  }
  d2[0] = 2 * d1[0];
  xr = d1[1] * d1[1] + d1[2] * d1[2];
  xi = 2 * d1[1] * d1[2];
  d2[1] = xr;
  d2[2] = xi;
  if (nfft > 2) {
    mp_mul_rcsqu_save(nfft, &d1[1], &d2[1], ip[1], &w[ip[0]]);
  }
  d2[nfft + 1] = d1[nfft + 1] * d1[nfft + 1];
  cdft(nfft, -1, &d2[1], ip, w);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<mp_mul_csqu_save_d1>:
  endbr64
  push   %r15
  lea    0x8(%rsi),%r15
  push   %r14
  mov    %r8,%r14
  push   %r13
  mov    %rcx,%r13
  push   %r12
  mov    %rsi,%r12
  mov    $0x1,%esi
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rdx,%rbx
  mov    %r15,%rdx
  sub    $0x18,%rsp
  call   <cdft@plt>
  mov    0x4(%r13),%eax
  shl    $0x2,%eax
  cmp    %ebp,%eax
  jl     L22
L16:
  movsd  (%r12),%xmm0
  lea    0x8(%rbx),%rdx
  addsd  %xmm0,%xmm0
  movsd  %xmm0,(%rbx)
  movsd  0x8(%r12),%xmm0
  movsd  0x10(%r12),%xmm1
  movapd %xmm0,%xmm2
  movapd %xmm1,%xmm3
  mulsd  %xmm0,%xmm2
  addsd  %xmm0,%xmm0
  mulsd  %xmm1,%xmm3
  mulsd  %xmm1,%xmm0
  addsd  %xmm3,%xmm2
  movsd  %xmm0,0x10(%rbx)
  movsd  %xmm2,0x8(%rbx)
  cmp    $0x2,%ebp
  jg     L19
L39:
  movslq %ebp,%rax
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %ebp,%edi
  add    $0x1,%rax
  mov    $0xffffffff,%esi
  movsd  (%r12,%rax,8),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,(%rbx,%rax,8)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <cdft@plt>
  nopl   0x0(%rax)
L22:
  movslq 0x0(%r13),%rax
  mov    %ebp,%edi
  mov    %r13,%rsi
  sar    $0x2,%edi
  lea    (%r14,%rax,8),%rdx
  call   <makect@plt>
  jmp    L16
  nopw   0x0(%rax,%rax,1)
L19:
  movslq 0x0(%r13),%rax
  mov    0x4(%r13),%ecx
  mov    %r15,%rsi
  mov    %ebp,%edi
  mov    %rdx,0x8(%rsp)
  lea    (%r14,%rax,8),%r8
  call   <mp_mul_rcsqu_save@plt>
  mov    0x8(%rsp),%rdx
  jmp    L39
```

assistant: ```c
void mp_mul_csqu_save_d1(int nfft, double d1[], double d2[], int ip[], double w[]) {
  void makect(int nc, int *ip, double *c);
  void cdft(int n, int isgn, double *a, int *ip, double *w);
  void mp_mul_rcsqu_save(int n, double *a, double *b, int nc, double *c);
  double xr, xi;
  cdft(nfft, 1, &d1[1], ip, w);
  if (nfft > (ip[1] << 2)) {
    makect(nfft >> 2, ip, &w[ip[0]]);
  }
  d2[0] = 2 * d1[0];
  xr = d1[1] * d1[1] + d1[2] * d1[2];
  xi = 2 * d1[1] * d1[2];
  d2[1] = xr;
  d2[2] = xi;
  if (nfft > 2) {
    mp_mul_rcsqu_save(nfft, &d1[1], &d2[1], ip[1], &w[ip[0]]);
  }
  d2[nfft + 1] = d1[nfft + 1] * d1[nfft + 1];
  cdft(nfft, -1, &d2[1], ip, w);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<mp_mul_csqu_save_d1>:
  endbr64
  push   %r15
  lea    0x8(%rsi),%r15
  push   %r14
  mov    %r8,%r14
  push   %r13
  mov    %rcx,%r13
  push   %r12
  mov    %rsi,%r12
  mov    $0x1,%esi
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rdx,%rbx
  mov    %r15,%rdx
  sub    $0x18,%rsp
  call   <cdft@plt>
  mov    0x4(%r13),%eax
  shl    $0x2,%eax
  cmp    %ebp,%eax
  jl     L34
L33:
  movsd  (%r12),%xmm0
  lea    0x8(%rbx),%rdx
  addsd  %xmm0,%xmm0
  movsd  %xmm0,(%rbx)
  movsd  0x8(%r12),%xmm0
  movsd  0x10(%r12),%xmm1
  movapd %xmm0,%xmm2
  movapd %xmm1,%xmm3
  mulsd  %xmm0,%xmm2
  addsd  %xmm0,%xmm0
  mulsd  %xmm1,%xmm3
  mulsd  %xmm1,%xmm0
  addsd  %xmm3,%xmm2
  movsd  %xmm0,0x10(%rbx)
  movsd  %xmm2,0x8(%rbx)
  cmp    $0x2,%ebp
  jg     L18
L7:
  movslq %ebp,%rax
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %ebp,%edi
  add    $0x1,%rax
  mov    $0xffffffff,%esi
  movsd  (%r12,%rax,8),%xmm0
  mulsd  %xmm0,%xmm0
  movsd  %xmm0,(%rbx,%rax,8)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1070 <cdft@plt>
  nopl   0x0(%rax)
L34:
  movslq 0x0(%r13),%rax
  mov    %ebp,%edi
  mov    %r13,%rsi
  sar    $0x2,%edi
  lea    (%r14,%rax,8),%rdx
  call   <makect@plt>
  jmp    L33
  nopw   0x0(%rax,%rax,1)
L18:
  movslq 0x0(%r13),%rax
  mov    0x4(%r13),%ecx
  mov    %r15,%rsi
  mov    %ebp,%edi
  mov    %rdx,0x8(%rsp)
  lea    (%r14,%rax,8),%r8
  call   <mp_mul_rcsqu_save@plt>
  mov    0x8(%rsp),%rdx
  jmp    L7
```

assistant: ```c
void mp_mul_csqu_save_d1(int nfft, double d1[], double d2[], int ip[], double w[]) {
  void makect(int nc, int *ip, double *c);
  void cdft(int n, int isgn, double *a, int *ip, double *w);
  void mp_mul_rcsqu_save(int n, double *a, double *b, int nc, double *c);
  double xr, xi;
  cdft(nfft, 1, &d1[1], ip, w);
  if (nfft > (ip[1] << 2)) {
    makect(nfft >> 2, ip, &w[ip[0]]);
  }
  d2[0] = 2 * d1[0];
  xr = d1[1] * d1[1] + d1[2] * d1[2];
  xi = 2 * d1[1] * d1[2];
  d2[1] = xr;
  d2[2] = xi;
  if (nfft > 2) {
    mp_mul_rcsqu_save(nfft, &d1[1], &d2[1], ip[1], &w[ip[0]]);
  }
  d2[nfft + 1] = d1[nfft + 1] * d1[nfft + 1];
  cdft(nfft, -1, &d2[1], ip, w);
}
```