ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here:

```asm
<split>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    0x2(%rsi),%ebx
  lea    -0x1(%rdx),%eax
  cmp    %eax,%ebx
  jge    L41
  mov    %rdi,%r13
  mov    %eax,%r12d
  mov    $0x0,%ebp
  jmp    L86
L88:
  add    $0x1,%ebp
L9:
  add    $0x1,%ebx
  cmp    %ebx,%r12d
  je     L35
L86:
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <valueAt@plt>
  cmp    $0x28,%al
  je     L88
  cmp    $0x29,%al
  jne    L67
  sub    $0x1,%ebp
  jmp    L9
L67:
  test   %ebp,%ebp
  jne    L9
  cmp    $0x2c,%al
  jne    L9
L41:
  mov    %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L35:
  mov    %r12d,%ebx
  jmp    L41
```

assistant: ```c
int split(struct string_node *head, int begin, int end) {
  int level = 0;
  int n;
  char c;
  for (n = begin + 2; n < end - 1; n++) {
    c = valueAt(head, n);
    if (c == '(')
      level++;
    if (c == ')')
      level--;
    if (level == 0 && c == ',')
      break;
  }
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<split>:
  endbr64
  push   %r13
  lea    -0x1(%rdx),%r13d
  push   %r12
  lea    0x2(%rsi),%r12d
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmp    %r13d,%r12d
  jge    L74
  mov    %rdi,%rbp
  xor    %ebx,%ebx
  jmp    L32
  nopw   0x0(%rax,%rax,1)
L35:
  test   %ebx,%ebx
  jne    L24
  cmp    $0x2c,%al
  je     L74
L24:
  add    $0x1,%r12d
  cmp    %r13d,%r12d
  je     L74
L32:
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <valueAt@plt>
  cmp    $0x28,%al
  je     L8
  cmp    $0x29,%al
  jne    L35
  add    $0x1,%r12d
  sub    $0x1,%ebx
  cmp    %r13d,%r12d
  jne    L32
L74:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L8:
  add    $0x1,%ebx
  jmp    L24
```

assistant: ```c
int split(struct string_node *head, int begin, int end) {
  int level = 0;
  int n;
  char c;
  for (n = begin + 2; n < end - 1; n++) {
    c = valueAt(head, n);
    if (c == '(')
      level++;
    if (c == ')')
      level--;
    if (level == 0 && c == ',')
      break;
  }
  return n;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<split>:
  endbr64
  push   %r13
  lea    -0x1(%rdx),%r13d
  push   %r12
  lea    0x2(%rsi),%r12d
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmp    %r13d,%r12d
  jge    L45
  mov    %rdi,%rbp
  xor    %ebx,%ebx
  jmp    L66
  nopw   0x0(%rax,%rax,1)
L49:
  test   %ebx,%ebx
  jne    L67
  cmp    $0x2c,%al
  je     L45
L67:
  add    $0x1,%r12d
  cmp    %r13d,%r12d
  je     L45
L66:
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <valueAt@plt>
  cmp    $0x28,%al
  je     L5
  cmp    $0x29,%al
  jne    L49
  add    $0x1,%r12d
  sub    $0x1,%ebx
  cmp    %r13d,%r12d
  jne    L66
L45:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L5:
  add    $0x1,%ebx
  jmp    L67
```

assistant: ```c
int split(struct string_node *head, int begin, int end) {
  int level = 0;
  int n;
  char c;
  for (n = begin + 2; n < end - 1; n++) {
    c = valueAt(head, n);
    if (c == '(')
      level++;
    if (c == ')')
      level--;
    if (level == 0 && c == ',')
      break;
  }
  return n;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<reverse_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %eax,-0xc(%rbp)
  jmp    L9
L7:
  mov    -0xc(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rcx),%edx
  mov    %dl,(%rax)
  subl   $0x1,-0xc(%rbp)
L9:
  cmpl   $0x0,-0xc(%rbp)
  jg     L7
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  neg    %rax
  add    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *reverse_string(char *dest, const char *src) {
  int i;
  size_t len = strlen(src);
  for (i = len; i > 0; i--) {
    *dest++ = src[i - 1];
  }
  *dest = '\0';
  dest -= len;
  return dest;
}
```
user: What is the c source code of the assembly code below?

```asm
<reverse_string>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %rsi,%rdi
  call   <strlen@plt>
  mov    %rax,%r8
  test   %eax,%eax
  jle    L12
  cltq
  lea    -0x1(%rbp,%rax,1),%rcx
  lea    -0x1(%r8),%eax
  lea    0x1(%rbx,%rax,1),%rdi
  mov    %rbx,%rdx
L6:
  add    $0x1,%rdx
  movzbl (%rcx),%esi
  mov    %sil,-0x1(%rdx)
  sub    $0x1,%rcx
  cmp    %rdi,%rdx
  jne    L6
  lea    -0x1(%r8),%eax
  lea    0x1(%rbx,%rax,1),%rbx
L12:
  movb   $0x0,(%rbx)
  mov    %rbx,%rax
  sub    %r8,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *reverse_string(char *dest, const char *src) {
  int i;
  size_t len = strlen(src);
  for (i = len; i > 0; i--) {
    *dest++ = src[i - 1];
  }
  *dest = '\0';
  dest -= len;
  return dest;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<reverse_string>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rax,%r8
  test   %eax,%eax
  jle    L17
  lea    -0x1(%r8),%edx
  cltq
  lea    0x1(%rbx,%rdx,1),%rdi
  lea    -0x1(%rbp,%rax,1),%rcx
  mov    %rbx,%rdx
  nopw   0x0(%rax,%rax,1)
L6:
  movzbl (%rcx),%esi
  add    $0x1,%rdx
  sub    $0x1,%rcx
  mov    %sil,-0x1(%rdx)
  cmp    %rdi,%rdx
  jne    L6
  add    %rax,%rbx
L17:
  movb   $0x0,(%rbx)
  mov    %rbx,%rax
  add    $0x8,%rsp
  sub    %r8,%rax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *reverse_string(char *dest, const char *src) {
  int i;
  size_t len = strlen(src);
  for (i = len; i > 0; i--) {
    *dest++ = src[i - 1];
  }
  *dest = '\0';
  dest -= len;
  return dest;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<reverse_string>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rax,%r8
  test   %eax,%eax
  jle    L12
  lea    -0x1(%r8),%edx
  cltq
  lea    0x1(%rbx,%rdx,1),%rdi
  lea    -0x1(%rbp,%rax,1),%rcx
  mov    %rbx,%rdx
  nopw   0x0(%rax,%rax,1)
L10:
  movzbl (%rcx),%esi
  add    $0x1,%rdx
  sub    $0x1,%rcx
  mov    %sil,-0x1(%rdx)
  cmp    %rdi,%rdx
  jne    L10
  add    %rax,%rbx
L12:
  movb   $0x0,(%rbx)
  mov    %rbx,%rax
  add    $0x8,%rsp
  sub    %r8,%rax
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *reverse_string(char *dest, const char *src) {
  int i;
  size_t len = strlen(src);
  for (i = len; i > 0; i--) {
    *dest++ = src[i - 1];
  }
  *dest = '\0';
  dest -= len;
  return dest;
}
```
user: What is the c source code of the assembly code below:

```asm
<test_lastprivate>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x0,-0x4(%rbp)
  jmp    L116
L157:
  addl   $0x1,-0x4(%rbp)
L116:
  cmpl   $0xf,-0x4(%rbp)
  jle    L157
  movl   $0x0,-0x4(%rbp)
  jmp    L167
L85:
  addl   $0x1,-0x4(%rbp)
L167:
  cmpl   $0xf,-0x4(%rbp)
  jle    L85
  movl   $0x0,-0x4(%rbp)
  jmp    L113
L155:
  addl   $0x1,-0x4(%rbp)
L113:
  cmpl   $0xf,-0x4(%rbp)
  jle    L155
  movl   $0x0,-0x4(%rbp)
  jmp    L77
L120:
  addl   $0x1,-0x4(%rbp)
L77:
  cmpl   $0xf,-0x4(%rbp)
  jle    L120
  movl   $0x0,-0x4(%rbp)
  jmp    L62
L95:
  addl   $0x1,-0x4(%rbp)
L62:
  cmpl   $0xf,-0x4(%rbp)
  jle    L95
  movl   $0x0,-0x4(%rbp)
  jmp    L76
L169:
  addl   $0x1,-0x4(%rbp)
L76:
  cmpl   $0xf,-0x4(%rbp)
  jle    L169
  movl   $0x0,-0x4(%rbp)
  jmp    L89
L179:
  addl   $0x1,-0x4(%rbp)
L89:
  cmpl   $0xf,-0x4(%rbp)
  jle    L179
  movl   $0x0,-0x4(%rbp)
  jmp    L38
L46:
  addl   $0x1,-0x4(%rbp)
L38:
  cmpl   $0xf,-0x4(%rbp)
  jle    L46
  movl   $0x0,-0x4(%rbp)
  jmp    L100
L10:
  addl   $0x1,-0x4(%rbp)
L100:
  cmpl   $0xf,-0x4(%rbp)
  jle    L10
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void test_lastprivate() {
  int i;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(,
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate()
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(int)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(0)
  for (i = 0; i < 16; ++i)
    ;
  int x, y, z;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y, z)
  for (i = 0; i < 16; ++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
<test_lastprivate>:
  endbr64
  ret
```

assistant: ```c
void test_lastprivate() {
  int i;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(,
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate()
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(int)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(0)
  for (i = 0; i < 16; ++i)
    ;
  int x, y, z;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y, z)
  for (i = 0; i < 16; ++i)
    ;
}
```
user: Translate the below assembly code into C programming language:

```asm
<test_lastprivate>:
  endbr64
  ret
```

assistant: ```c
void test_lastprivate() {
  int i;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(,
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate()
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(int)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(0)
  for (i = 0; i < 16; ++i)
    ;
  int x, y, z;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y, z)
  for (i = 0; i < 16; ++i)
    ;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<test_lastprivate>:
  endbr64
  ret
```

assistant: ```c
void test_lastprivate() {
  int i;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(,
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate()
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(int)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(0)
  for (i = 0; i < 16; ++i)
    ;
  int x, y, z;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target
#pragma omp teams
#pragma omp distribute parallel for simd lastprivate(x, y, z)
  for (i = 0; i < 16; ++i)
    ;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x30(%rbp),%rax
  mov    $0x8,%esi
  mov    %rax,%rdi
  call   <input_array@plt>
  lea    -0x30(%rbp),%rax
  mov    $0x8,%esi
  mov    %rax,%rdi
  call   <insert_sort@plt>
  lea    -0x30(%rbp),%rax
  mov    $0x8,%esi
  mov    %rax,%rdi
  call   <output_array@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
int main(int argc, char const *argv[]) {
  int x[8];
  input_array(x, 8);
  insert_sort(x, 8);
  output_array(x, 8);
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  mov    $0x8,%esi
  mov    %rbx,%rdi
  call   <input_array@plt>
  mov    $0x8,%esi
  mov    %rbx,%rdi
  call   <insert_sort@plt>
  mov    $0x8,%esi
  mov    %rbx,%rdi
  call   <output_array@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  mov    $0x0,%eax
  add    $0x30,%rsp
  pop    %rbx
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char const *argv[]) {
  int x[8];
  input_array(x, 8);
  insert_sort(x, 8);
  output_array(x, 8);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0x8,%esi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <input_array@plt>
  mov    $0x8,%esi
  mov    %rbp,%rdi
  call   <insert_sort@plt>
  mov    $0x8,%esi
  mov    %rbp,%rdi
  call   <output_array@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x30,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char const *argv[]) {
  int x[8];
  input_array(x, 8);
  insert_sort(x, 8);
  output_array(x, 8);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0x8,%esi
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <input_array@plt>
  mov    $0x8,%esi
  mov    %rbp,%rdi
  call   <insert_sort@plt>
  mov    $0x8,%esi
  mov    %rbp,%rdi
  call   <output_array@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x30,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char const *argv[]) {
  int x[8];
  input_array(x, 8);
  insert_sort(x, 8);
  output_array(x, 8);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fft>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r9
  mov    %rsi,%r8
  mov    %rdx,%rbp
  mov    %rcx,%rbx
  mov    $0x0,%ecx
  mov    $0x8000,%r10d
  jmp    L26
L10:
  lea    0x1(%rdi),%eax
  cmp    $0xffff,%eax
  jg     L9
L57:
  mov    %eax,%edi
  or     %r10d,%edi
  and    %r11d,%eax
  movslq %eax,%r12
  shl    $0x3,%r12
  lea    (%r9,%r12,1),%r13
  movsd  0x0(%r13),%xmm0
  movslq %edi,%rdx
  shl    $0x3,%rdx
  lea    (%r9,%rdx,1),%rsi
  movsd  (%rsi),%xmm1
  movapd %xmm0,%xmm2
  subsd  %xmm1,%xmm2
  movsd  %xmm2,(%rsi)
  addsd  %xmm1,%xmm0
  movsd  %xmm0,0x0(%r13)
  add    %r8,%r12
  movsd  (%r12),%xmm0
  add    %r8,%rdx
  movsd  (%rdx),%xmm1
  movapd %xmm0,%xmm2
  subsd  %xmm1,%xmm2
  movsd  %xmm2,(%rdx)
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%r12)
  shl    %cl,%eax
  and    $0xffff,%eax
  je     L10
  cltq
  movsd  0x0(%rbp,%rax,8),%xmm0
  movsd  (%rsi),%xmm4
  movsd  (%rbx,%rax,8),%xmm3
  movsd  (%rdx),%xmm1
  movapd %xmm0,%xmm2
  mulsd  %xmm1,%xmm2
  movapd %xmm4,%xmm5
  mulsd  %xmm3,%xmm5
  addsd  %xmm5,%xmm2
  movsd  %xmm2,(%rdx)
  mulsd  %xmm4,%xmm0
  mulsd  %xmm3,%xmm1
  subsd  %xmm1,%xmm0
  movsd  %xmm0,(%rsi)
  jmp    L10
L9:
  sar    %r10d
  add    $0x1,%ecx
  cmp    $0x10,%ecx
  je     L61
L26:
  mov    %r10d,%eax
  mov    %r10d,%r11d
  not    %r11d
  cmp    $0xffff,%r10d
  jle    L57
  jmp    L9
L61:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void fft(double real[(1 << 16)], double img[(1 << 16)], double real_twid[(1 << 16) / 2], double img_twid[(1 << 16) / 2]) {
  int even, odd, span, log, rootindex;
  double temp;
  log = 0;
  for (span = (1 << 16) >> 1; span; span >>= 1, log++) {
    for (odd = span; odd < (1 << 16); odd++) {
      odd |= span;
      even = odd ^ span;
      temp = real[even] + real[odd];
      real[odd] = real[even] - real[odd];
      real[even] = temp;
      temp = img[even] + img[odd];
      img[odd] = img[even] - img[odd];
      img[even] = temp;
      rootindex = (even << log) & ((1 << 16) - 1);
      if (rootindex) {
        temp = real_twid[rootindex] * real[odd] - img_twid[rootindex] * img[odd];
        img[odd] = real_twid[rootindex] * img[odd] + img_twid[rootindex] * real[odd];
        real[odd] = temp;
      }
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<fft>:
  endbr64
  push   %r13
  mov    %rdi,%r9
  mov    %rsi,%r8
  mov    $0x8000,%r10d
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rcx,%rbx
  xor    %ecx,%ecx
  xchg   %ax,%ax
L22:
  mov    %r10d,%r11d
  mov    %r10d,%eax
  not    %r11d
  nopl   0x0(%rax)
L11:
  mov    %eax,%edi
  and    %r11d,%eax
  movslq %eax,%r12
  or     %r10d,%edi
  shl    %cl,%eax
  shl    $0x3,%r12
  movslq %edi,%rdx
  lea    (%r9,%r12,1),%r13
  shl    $0x3,%rdx
  add    %r8,%r12
  movsd  0x0(%r13),%xmm0
  lea    (%r9,%rdx,1),%rsi
  add    %r8,%rdx
  movsd  (%rsi),%xmm1
  movapd %xmm0,%xmm2
  subsd  %xmm1,%xmm2
  addsd  %xmm1,%xmm0
  movsd  %xmm2,(%rsi)
  movsd  %xmm0,0x0(%r13)
  movsd  (%r12),%xmm0
  movsd  (%rdx),%xmm1
  movapd %xmm0,%xmm2
  addsd  %xmm1,%xmm0
  subsd  %xmm1,%xmm2
  movsd  %xmm2,(%rdx)
  movsd  %xmm0,(%r12)
  and    $0xffff,%eax
  je     L7
  cltq
  movsd  (%rsi),%xmm4
  movsd  (%rdx),%xmm3
  movsd  0x0(%rbp,%rax,8),%xmm0
  movsd  (%rbx,%rax,8),%xmm1
  movapd %xmm4,%xmm5
  mulsd  %xmm1,%xmm5
  movapd %xmm0,%xmm2
  mulsd  %xmm3,%xmm2
  mulsd  %xmm4,%xmm0
  mulsd  %xmm3,%xmm1
  addsd  %xmm5,%xmm2
  subsd  %xmm1,%xmm0
  movsd  %xmm2,(%rdx)
  movsd  %xmm0,(%rsi)
L7:
  lea    0x1(%rdi),%eax
  cmp    $0xffff,%eax
  jle    L11
  add    $0x1,%ecx
  sar    %r10d
  cmp    $0x10,%ecx
  jne    L22
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void fft(double real[(1 << 16)], double img[(1 << 16)], double real_twid[(1 << 16) / 2], double img_twid[(1 << 16) / 2]) {
  int even, odd, span, log, rootindex;
  double temp;
  log = 0;
  for (span = (1 << 16) >> 1; span; span >>= 1, log++) {
    for (odd = span; odd < (1 << 16); odd++) {
      odd |= span;
      even = odd ^ span;
      temp = real[even] + real[odd];
      real[odd] = real[even] - real[odd];
      real[even] = temp;
      temp = img[even] + img[odd];
      img[odd] = img[even] - img[odd];
      img[even] = temp;
      rootindex = (even << log) & ((1 << 16) - 1);
      if (rootindex) {
        temp = real_twid[rootindex] * real[odd] - img_twid[rootindex] * img[odd];
        img[odd] = real_twid[rootindex] * img[odd] + img_twid[rootindex] * real[odd];
        real[odd] = temp;
      }
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fft>:
  endbr64
  push   %r13
  mov    %rdi,%r9
  mov    %rsi,%r8
  mov    $0x8000,%r10d
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rcx,%rbx
  xor    %ecx,%ecx
  xchg   %ax,%ax
L10:
  mov    %r10d,%r11d
  mov    %r10d,%eax
  not    %r11d
  nopl   0x0(%rax)
L0:
  mov    %eax,%edi
  and    %r11d,%eax
  movslq %eax,%r12
  or     %r10d,%edi
  shl    %cl,%eax
  shl    $0x3,%r12
  movslq %edi,%rdx
  lea    (%r9,%r12,1),%r13
  shl    $0x3,%rdx
  add    %r8,%r12
  movsd  0x0(%r13),%xmm0
  lea    (%r9,%rdx,1),%rsi
  add    %r8,%rdx
  movsd  (%rsi),%xmm1
  movapd %xmm0,%xmm2
  subsd  %xmm1,%xmm2
  addsd  %xmm1,%xmm0
  movsd  %xmm2,(%rsi)
  movsd  %xmm0,0x0(%r13)
  movsd  (%r12),%xmm0
  movsd  (%rdx),%xmm1
  movapd %xmm0,%xmm2
  addsd  %xmm1,%xmm0
  subsd  %xmm1,%xmm2
  movsd  %xmm2,(%rdx)
  movsd  %xmm0,(%r12)
  and    $0xffff,%eax
  je     L26
  cltq
  movsd  (%rsi),%xmm4
  movsd  (%rdx),%xmm3
  movsd  0x0(%rbp,%rax,8),%xmm0
  movsd  (%rbx,%rax,8),%xmm1
  movapd %xmm4,%xmm5
  mulsd  %xmm1,%xmm5
  movapd %xmm0,%xmm2
  mulsd  %xmm3,%xmm2
  mulsd  %xmm4,%xmm0
  mulsd  %xmm3,%xmm1
  addsd  %xmm5,%xmm2
  subsd  %xmm1,%xmm0
  movsd  %xmm2,(%rdx)
  movsd  %xmm0,(%rsi)
L26:
  lea    0x1(%rdi),%eax
  cmp    $0xffff,%eax
  jle    L0
  add    $0x1,%ecx
  sar    %r10d
  cmp    $0x10,%ecx
  jne    L10
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void fft(double real[(1 << 16)], double img[(1 << 16)], double real_twid[(1 << 16) / 2], double img_twid[(1 << 16) / 2]) {
  int even, odd, span, log, rootindex;
  double temp;
  log = 0;
  for (span = (1 << 16) >> 1; span; span >>= 1, log++) {
    for (odd = span; odd < (1 << 16); odd++) {
      odd |= span;
      even = odd ^ span;
      temp = real[even] + real[odd];
      real[odd] = real[even] - real[odd];
      real[even] = temp;
      temp = img[even] + img[odd];
      img[odd] = img[even] - img[odd];
      img[even] = temp;
      rootindex = (even << log) & ((1 << 16) - 1);
      if (rootindex) {
        temp = real_twid[rootindex] * real[odd] - img_twid[rootindex] * img[odd];
        img[odd] = real_twid[rootindex] * img[odd] + img_twid[rootindex] * real[odd];
        real[odd] = temp;
      }
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<err_hash>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <ERR_GET_LIB@plt>
  xor    -0x20(%rbp),%rax
  mov    %rax,%rbx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <ERR_GET_FUNC@plt>
  xor    %rbx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rcx
  movabs $0xd79435e50d79435f,%rdx
  mov    %rcx,%rax
  mul    %rdx
  shr    $0x4,%rdx
  mov    %rdx,%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  sub    %rax,%rcx
  mov    %rcx,%rdx
  mov    %rdx,%rax
  add    %rax,%rax
  add    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  xor    -0x18(%rbp),%rax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
unsigned long err_hash(ERR_STRING_DATA *a) {
  unsigned long ret, l;
  l = a->error;
  ret = l ^ ERR_GET_LIB(l) ^ ERR_GET_FUNC(l);
  return (ret ^ ret % 19 * 13);
}
```