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

```asm
<regmatch>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %ecx,0x8(%rsp)
  test   %ecx,%ecx
  jle    L46
  mov    %ecx,%eax
  lea    -0x1(%rcx),%ecx
  mov    %rdi,%r15
  mov    %rsi,%r12
  mov    %ecx,0xc(%rsp)
  mov    %rdx,%rbp
  mov    %eax,%r13d
  xor    %ebx,%ebx
  jmp    L36
  nopw   0x0(%rax,%rax,1)
L41:
  mov    0x4(%r15,%rbx,8),%r14d
  sub    %eax,%r14d
  lea    0x1(%r14),%edi
  call   <malloc@plt>
  movslq (%r15,%rbx,8),%rsi
  mov    %r14d,%edx
  mov    %rax,0x0(%rbp,%rbx,8)
  mov    %rax,%rdi
  add    %r12,%rsi
  call   <strncpy@plt>
  mov    0x0(%rbp,%rbx,8),%rax
  movslq %r14d,%rdx
  lea    0x1(%rbx),%r9d
  add    $0x1,%rbx
  movb   $0x0,(%rax,%rdx,1)
  cmp    %r13,%rbx
  je     L37
L36:
  mov    (%r15,%rbx,8),%eax
  mov    %ebx,%r9d
  cmp    $0xffffffff,%eax
  jne    L41
  cmp    %ebx,0x8(%rsp)
  jle    L37
  mov    0xc(%rsp),%r15d
  movslq %ebx,%rax
  xor    %esi,%esi
  mov    %ebx,0x8(%rsp)
  lea    0x0(%rbp,%rax,8),%rdi
  sub    %ebx,%r15d
  lea    0x8(,%r15,8),%rdx
  call   <memset@plt>
  mov    0x8(%rsp),%r9d
L37:
  add    $0x18,%rsp
  mov    %r9d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L46:
  xor    %r9d,%r9d
  jmp    L37
```

assistant: ```c
int regmatch(const regmatch_t *matchdata, const char *str, char **matches, int maxmatch) {
  int start;
  int end;
  int count;
  int i, n;
  for (i = 0; i < maxmatch; i++) {
    if (matchdata[i].rm_so == -1)
      break;
    n = matchdata[i].rm_eo - matchdata[i].rm_so;
    matches[i] = malloc(n + 1);
    strncpy(matches[i], str + matchdata[i].rm_so, n);
    matches[i][n] = 0;
  }
  count = i;
  for (; i < maxmatch; i++)
    matches[i] = NULL;
  return (count);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<regmatch>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %ecx,0x8(%rsp)
  test   %ecx,%ecx
  jle    L44
  mov    %ecx,%eax
  lea    -0x1(%rcx),%ecx
  mov    %rdi,%r15
  mov    %rsi,%r12
  mov    %ecx,0xc(%rsp)
  mov    %rdx,%rbp
  mov    %eax,%r13d
  xor    %ebx,%ebx
  jmp    L1
  nopw   0x0(%rax,%rax,1)
L20:
  mov    0x4(%r15,%rbx,8),%r14d
  sub    %eax,%r14d
  lea    0x1(%r14),%edi
  call   <malloc@plt>
  movslq (%r15,%rbx,8),%rsi
  mov    %r14d,%edx
  mov    %rax,0x0(%rbp,%rbx,8)
  mov    %rax,%rdi
  add    %r12,%rsi
  call   <strncpy@plt>
  mov    0x0(%rbp,%rbx,8),%rax
  movslq %r14d,%rdx
  lea    0x1(%rbx),%r9d
  add    $0x1,%rbx
  movb   $0x0,(%rax,%rdx,1)
  cmp    %r13,%rbx
  je     L16
L1:
  mov    (%r15,%rbx,8),%eax
  mov    %ebx,%r9d
  cmp    $0xffffffff,%eax
  jne    L20
  cmp    %ebx,0x8(%rsp)
  jle    L16
  mov    0xc(%rsp),%r15d
  movslq %ebx,%rax
  xor    %esi,%esi
  mov    %ebx,0x8(%rsp)
  lea    0x0(%rbp,%rax,8),%rdi
  sub    %ebx,%r15d
  lea    0x8(,%r15,8),%rdx
  call   <memset@plt>
  mov    0x8(%rsp),%r9d
L16:
  add    $0x18,%rsp
  mov    %r9d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L44:
  xor    %r9d,%r9d
  jmp    L16
```

assistant: ```c
int regmatch(const regmatch_t *matchdata, const char *str, char **matches, int maxmatch) {
  int start;
  int end;
  int count;
  int i, n;
  for (i = 0; i < maxmatch; i++) {
    if (matchdata[i].rm_so == -1)
      break;
    n = matchdata[i].rm_eo - matchdata[i].rm_so;
    matches[i] = malloc(n + 1);
    strncpy(matches[i], str + matchdata[i].rm_so, n);
    matches[i][n] = 0;
  }
  count = i;
  for (; i < maxmatch; i++)
    matches[i] = NULL;
  return (count);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<window_calc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L11
L16:
  mov    -0x14(%rbp),%eax
  cltq
  lea    (%rax,%rax,1),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzwl (%rax),%eax
  cwtl
  mov    -0x14(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rdx),%rdx
  mov    %edx,%ecx
  mov    -0x14(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rsi
  mov    -0x28(%rbp),%rdx
  lea    (%rsi,%rdx,1),%rbx
  mov    %eax,%esi
  mov    %ecx,%edi
  call   <MUL32_16B@plt>
  mov    %rax,(%rbx)
  addl   $0x1,-0x14(%rbp)
L11:
  mov    -0x14(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  jl     L16
  nop
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void window_calc(long *buf, short *win_tbl, int len) {
  int i;
  for (i = 0; i < len; i++) {
    buf[i] = MUL32_16B((int)buf[i], (int)(win_tbl[i]));
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<window_calc>:
  endbr64
  test   %edx,%edx
  jle    L4
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbp
  mov    %rdi,%rbx
  lea    -0x1(%rdx),%eax
  lea    0x2(%rsi,%rax,2),%r12
L14:
  movswl 0x0(%rbp),%esi
  mov    (%rbx),%edi
  call   <MUL32_16B@plt>
  mov    %rax,(%rbx)
  add    $0x2,%rbp
  add    $0x8,%rbx
  cmp    %r12,%rbp
  jne    L14
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L4:
  ret
```

assistant: ```c
void window_calc(long *buf, short *win_tbl, int len) {
  int i;
  for (i = 0; i < len; i++) {
    buf[i] = MUL32_16B((int)buf[i], (int)(win_tbl[i]));
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<window_calc>:
  endbr64
  test   %edx,%edx
  jle    L2
  lea    -0x1(%rdx),%eax
  push   %r12
  lea    0x2(%rsi,%rax,2),%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  nopw   0x0(%rax,%rax,1)
L9:
  movswl (%rbx),%esi
  mov    0x0(%rbp),%edi
  add    $0x2,%rbx
  add    $0x8,%rbp
  call   <MUL32_16B@plt>
  mov    %rax,-0x8(%rbp)
  cmp    %r12,%rbx
  jne    L9
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L2:
  ret
```

assistant: ```c
void window_calc(long *buf, short *win_tbl, int len) {
  int i;
  for (i = 0; i < len; i++) {
    buf[i] = MUL32_16B((int)buf[i], (int)(win_tbl[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
<window_calc>:
  endbr64
  test   %edx,%edx
  jle    L5
  lea    -0x1(%rdx),%eax
  push   %r12
  lea    0x2(%rsi,%rax,2),%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  nopw   0x0(%rax,%rax,1)
L3:
  movswl (%rbx),%esi
  mov    0x0(%rbp),%edi
  add    $0x2,%rbx
  add    $0x8,%rbp
  call   <MUL32_16B@plt>
  mov    %rax,-0x8(%rbp)
  cmp    %r12,%rbx
  jne    L3
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L5:
  ret
```

assistant: ```c
void window_calc(long *buf, short *win_tbl, int len) {
  int i;
  for (i = 0; i < len; i++) {
    buf[i] = MUL32_16B((int)buf[i], (int)(win_tbl[i]));
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<rand_level>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x1,-0x4(%rbp)
  jmp    L16
L28:
  addl   $0x1,-0x4(%rbp)
L16:
  mov    $0x0,%eax
  call   <rand@plt>
  mov    D5(%rip),%rdx
  mov    (%rdx),%edx
  mov    %edx,%ecx
  shr    $0x1f,%ecx
  add    %ecx,%edx
  sar    %edx
  cmp    %edx,%eax
  jge    L8
  cmpl   $0x5,-0x4(%rbp)
  jle    L28
L8:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int rand_level() {
  int level = 1;
  while (rand() < RAND_MAX / 2 && level < 6)
    level++;
  return level;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<rand_level>:
  endbr64
  push   %rbx
  mov    $0x1,%ebx
  jmp    L24
L26:
  add    $0x1,%ebx
L24:
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%ecx
  mov    D4(%rip),%rax
  mov    (%rax),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cmp    %eax,%ecx
  jge    L20
  cmp    $0x5,%ebx
  jle    L26
L20:
  mov    %ebx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int rand_level() {
  int level = 1;
  while (rand() < RAND_MAX / 2 && level < 6)
    level++;
  return level;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<rand_level>:
  endbr64
  push   %r12
  mov    $0x1,%r12d
  push   %rbx
  sub    $0x8,%rsp
  mov    D9(%rip),%rbx
L7:
  xor    %eax,%eax
  call   <rand@plt>
  mov    (%rbx),%edx
  mov    %eax,%r8d
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cmp    %eax,%r8d
  jge    L1
  cmp    $0x6,%r12d
  je     L1
  add    $0x1,%r12d
  jmp    L7
  xchg   %ax,%ax
L1:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
int rand_level() {
  int level = 1;
  while (rand() < RAND_MAX / 2 && level < 6)
    level++;
  return level;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<rand_level>:
  endbr64
  push   %r12
  mov    $0x1,%r12d
  push   %rbx
  sub    $0x8,%rsp
  mov    D3(%rip),%rbx
L1:
  xor    %eax,%eax
  call   <rand@plt>
  mov    (%rbx),%edx
  mov    %eax,%r8d
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cmp    %eax,%r8d
  jge    L29
  cmp    $0x6,%r12d
  je     L29
  add    $0x1,%r12d
  jmp    L1
  xchg   %ax,%ax
L29:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
int rand_level() {
  int level = 1;
  while (rand() < RAND_MAX / 2 && level < 6)
    level++;
  return level;
}
```
user: What is the c source code of the assembly code below:

```asm
<PrintVMFlags>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x120,%rsp
  mov    %rdi,-0x118(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x110(%rbp),%rcx
  mov    -0x118(%rbp),%rax
  mov    $0x100,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <ConvertVMFlags@plt>
  mov    %rax,%rsi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L3
  call   <__stack_chk_fail@plt>
L3:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D0
datatype: string

tool: D0: %s

assistant: ```c
void PrintVMFlags(unsigned long flags) {
  char tmp_buffer[256];
  printf("%s", ConvertVMFlags(flags, tmp_buffer, 256));
}
```
user: What is the c source code of the assembly code below:

```asm
<PrintVMFlags>:
  endbr64
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  mov    $0x100,%edx
  call   <ConvertVMFlags@plt>
  mov    %rax,%rsi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x118,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D5
data_type: string

tool: D5: %s

assistant: ```c
void PrintVMFlags(unsigned long flags) {
  char tmp_buffer[256];
  printf("%s", ConvertVMFlags(flags, tmp_buffer, 256));
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<PrintVMFlags>:
  endbr64
  sub    $0x118,%rsp
  mov    $0x100,%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <ConvertVMFlags@plt>
  lea    D8(%rip),%rdi
  mov    %rax,%rsi
  call   <printf@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x118,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
type_infered: string

tool: D8: %s

assistant: ```c
void PrintVMFlags(unsigned long flags) {
  char tmp_buffer[256];
  printf("%s", ConvertVMFlags(flags, tmp_buffer, 256));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<PrintVMFlags>:
  endbr64
  sub    $0x118,%rsp
  mov    $0x100,%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <ConvertVMFlags@plt>
  lea    D5(%rip),%rdi
  mov    %rax,%rsi
  call   <printf@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x118,%rsp
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D5
type: string

tool: D5: %s

assistant: ```c
void PrintVMFlags(unsigned long flags) {
  char tmp_buffer[256];
  printf("%s", ConvertVMFlags(flags, tmp_buffer, 256));
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<itc_net_connect_main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <itc_net_connect_p@plt>
  mov    $0x0,%eax
  call   <itc_net_connect_p_multiple_clients@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int itc_net_connect_main(void) {
  itc_net_connect_p();
  itc_net_connect_p_multiple_clients();
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<itc_net_connect_main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <itc_net_connect_p@plt>
  mov    $0x0,%eax
  call   <itc_net_connect_p_multiple_clients@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int itc_net_connect_main(void) {
  itc_net_connect_p();
  itc_net_connect_p_multiple_clients();
  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
<itc_net_connect_main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <itc_net_connect_p@plt>
  xor    %eax,%eax
  call   <itc_net_connect_p_multiple_clients@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int itc_net_connect_main(void) {
  itc_net_connect_p();
  itc_net_connect_p_multiple_clients();
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<itc_net_connect_main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <itc_net_connect_p@plt>
  xor    %eax,%eax
  call   <itc_net_connect_p_multiple_clients@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int itc_net_connect_main(void) {
  itc_net_connect_p();
  itc_net_connect_p_multiple_clients();
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<load_textfile>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <load_file@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jg     L24
  mov    $0xffffffff,%eax
  jmp    L50
L24:
  movl   $0x0,-0x1c(%rbp)
  jmp    L12
L27:
  mov    -0x18(%rbp),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L41
  mov    -0x18(%rbp),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  add    %rdx,%rax
  movb   $0x20,(%rax)
L41:
  addl   $0x1,-0x1c(%rbp)
L12:
  mov    -0x1c(%rbp),%eax
  cltq
  cmp    %rax,-0x10(%rbp)
  jg     L27
  mov    -0x18(%rbp),%rax
  mov    -0x30(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <text2lines@plt>
L50:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L51
  call   <__stack_chk_fail@plt>
L51:
  leave
  ret
```

assistant: ```c
int load_textfile(char *filename, char ***lines) {
  int i;
  char *buffer;
  long len;
  len = load_file(filename, &buffer);
  if (len <= 0)
    return -1;
  for (i = 0; i < len; i++)
    if (buffer[i] == '\0')
      buffer[i] = ' ';
  return text2lines(buffer, lines);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<load_textfile>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <load_file@plt>
  test   %rax,%rax
  jle    L1
  mov    $0x0,%edx
  jmp    L30
L57:
  add    $0x1,%rdx
  cmp    %rdx,%rax
  je     L24
L30:
  mov    %rdx,%rcx
  add    (%rsp),%rcx
  cmpb   $0x0,(%rcx)
  jne    L57
  movb   $0x20,(%rcx)
  jmp    L57
L24:
  mov    %rbx,%rsi
  mov    (%rsp),%rdi
  call   <text2lines@plt>
L16:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L41
  add    $0x10,%rsp
  pop    %rbx
  ret
L1:
  mov    $0xffffffff,%eax
  jmp    L16
L41:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int load_textfile(char *filename, char ***lines) {
  int i;
  char *buffer;
  long len;
  len = load_file(filename, &buffer);
  if (len <= 0)
    return -1;
  for (i = 0; i < len; i++)
    if (buffer[i] == '\0')
      buffer[i] = ' ';
  return text2lines(buffer, lines);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<load_textfile>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <load_file@plt>
  test   %rax,%rax
  jle    L16
  mov    (%rsp),%rdi
  xor    %edx,%edx
  nop
L6:
  lea    (%rdi,%rdx,1),%rcx
  cmpb   $0x0,(%rcx)
  jne    L12
  movb   $0x20,(%rcx)
  mov    (%rsp),%rdi
L12:
  add    $0x1,%rdx
  cmp    %rdx,%rax
  jne    L6
  mov    %rbp,%rsi
  call   <text2lines@plt>
L34:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x10,%rsp
  pop    %rbp
  ret
L16:
  mov    $0xffffffff,%eax
  jmp    L34
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int load_textfile(char *filename, char ***lines) {
  int i;
  char *buffer;
  long len;
  len = load_file(filename, &buffer);
  if (len <= 0)
    return -1;
  for (i = 0; i < len; i++)
    if (buffer[i] == '\0')
      buffer[i] = ' ';
  return text2lines(buffer, lines);
}
```
user: What is the c source code of the assembly code below?

```asm
<load_textfile>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <load_file@plt>
  test   %rax,%rax
  jle    L45
  mov    (%rsp),%rdi
  xor    %edx,%edx
  nop
L28:
  lea    (%rdi,%rdx,1),%rcx
  cmpb   $0x0,(%rcx)
  jne    L7
  movb   $0x20,(%rcx)
  mov    (%rsp),%rdi
L7:
  add    $0x1,%rdx
  cmp    %rdx,%rax
  jne    L28
  mov    %rbp,%rsi
  call   <text2lines@plt>
L0:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L48
  add    $0x10,%rsp
  pop    %rbp
  ret
L45:
  mov    $0xffffffff,%eax
  jmp    L0
L48:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int load_textfile(char *filename, char ***lines) {
  int i;
  char *buffer;
  long len;
  len = load_file(filename, &buffer);
  if (len <= 0)
    return -1;
  for (i = 0; i < len; i++)
    if (buffer[i] == '\0')
      buffer[i] = ' ';
  return text2lines(buffer, lines);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<pencil_dsyr2k_nn_u>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,-0x4(%rsp)
  mov    %rcx,-0x30(%rsp)
  mov    %r9,-0x28(%rsp)
  test   %edi,%edi
  jle    L86
  mov    %esi,%ebx
  movapd %xmm0,%xmm4
  movslq %esi,%r12
  movslq %edi,%rbp
  lea    -0x1(%rdi),%r14d
  lea    0x8(,%rbp,8),%rax
  mov    %rax,-0x10(%rsp)
  mov    0x40(%rsp),%r15
  shl    $0x3,%r12
  mov    %rcx,-0x20(%rsp)
  shl    $0x3,%rbp
  mov    %r9,-0x18(%rsp)
  mov    $0x0,%r13d
  mov    %esi,%r8d
  jmp    L23
L51:
  movslq %r10d,%rdx
  mov    %rdx,%rcx
  imul   %rbp,%rcx
  add    -0x28(%rsp),%rcx
  imul   %r12,%rdx
  add    -0x30(%rsp),%rdx
  mov    $0x0,%eax
  pxor   %xmm3,%xmm3
L85:
  movsd  (%rdi,%rax,8),%xmm0
  mulsd  (%rcx,%rax,8),%xmm0
  movsd  (%rsi,%rax,8),%xmm2
  mulsd  (%rdx,%rax,8),%xmm2
  addsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm3
  add    $0x1,%rax
  cmp    %rax,%r8
  jne    L85
L5:
  movapd %xmm1,%xmm0
  mulsd  (%r9),%xmm0
  mulsd  %xmm4,%xmm3
  addsd  %xmm0,%xmm3
  movsd  %xmm3,(%r9)
  add    $0x8,%r9
  add    $0x1,%r10d
  cmp    %r11d,%r10d
  je     L11
L29:
  pxor   %xmm3,%xmm3
  test   %ebx,%ebx
  jg     L51
  jmp    L5
L11:
  add    $0x1,%r13d
  sub    $0x1,%r14d
  add    -0x10(%rsp),%r15
  add    %r12,-0x20(%rsp)
  add    %rbp,-0x18(%rsp)
  cmp    %r13d,-0x4(%rsp)
  je     L86
L23:
  test   %r14d,%r14d
  js     L11
  mov    -0x20(%rsp),%rdi
  mov    -0x18(%rsp),%rsi
  mov    %r13d,%r10d
  lea    0x1(%r13,%r14,1),%r11d
  mov    %r15,%r9
  jmp    L29
L86:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void pencil_dsyr2k_nn_u(int n_255_607, int k_256_608, double alpha_257_609, int ldA_258_610, double A_259_611[restrict const n_255_607][k_256_608], int ldB_260_612, double B_261_613[restrict const k_256_608][n_255_607], double beta_262_614, int ldCT_263_615, double CT_264_616[restrict const n_255_607][n_255_607]) {
#pragma scop
  {
#pragma pencil independent
    for (int i_323_273_1243_2069 = 0; i_323_273_1243_2069 <= (n_255_607 - 1); i_323_273_1243_2069 += 1) {
#pragma pencil independent
      for (int i_325_275_1244_2071 = 0; i_325_275_1244_2071 <= ((((n_255_607 - 1) - i_323_273_1243_2069) + 1) - 1); i_325_275_1244_2071 += 1) {
        double accum_326_276_1245_2068;
        accum_326_276_1245_2068 = 0.0;
        for (int i_327_277_1246_2070 = 0; i_327_277_1246_2070 <= (k_256_608 - 1); i_327_277_1246_2070 += 1) {
          accum_326_276_1245_2068 = (accum_326_276_1245_2068 + ((A_259_611[i_323_273_1243_2069][i_327_277_1246_2070] * B_261_613[(i_325_275_1244_2071 + i_323_273_1243_2069)][i_327_277_1246_2070]) + (B_261_613[i_323_273_1243_2069][i_327_277_1246_2070] * A_259_611[(i_325_275_1244_2071 + i_323_273_1243_2069)][i_327_277_1246_2070])));
        }
        CT_264_616[i_323_273_1243_2069][(i_323_273_1243_2069 + i_325_275_1244_2071)] = ((beta_262_614 * CT_264_616[i_323_273_1243_2069][(i_323_273_1243_2069 + i_325_275_1244_2071)]) + (alpha_257_609 * accum_326_276_1245_2068));
      }
    }
  }
#pragma endscop
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<pencil_dsyr2k_nn_u>:
  endbr64
  movslq %edi,%r10
  test   %r10d,%r10d
  jle    L14
  push   %r15
  lea    0x8(,%r10,8),%rax
  movslq %esi,%r8
  mov    %r9,%rdi
  push   %r14
  movapd %xmm0,%xmm4
  mov    %rcx,%rsi
  xor    %r14d,%r14d
  push   %r13
  lea    0x0(,%r8,8),%r11
  pxor   %xmm5,%xmm5
  push   %r12
  mov    %r10,%r12
  shl    $0x3,%r10
  push   %rbp
  sub    $0x1,%r12d
  mov    %r8,%rbp
  push   %rbx
  mov    0x40(%rsp),%r13
  mov    %r13,%r15
  mov    %rax,-0x8(%rsp)
  nopl   0x0(%rax)
L47:
  mov    %r12d,%eax
  mov    %rsi,%rcx
  mov    %rdi,%rdx
  mov    %r13,%r9
  add    %r14,%rax
  lea    0x8(%r15,%rax,8),%rbx
  nopl   0x0(%rax)
L16:
  xor    %eax,%eax
  movapd %xmm5,%xmm3
  test   %ebp,%ebp
  jle    L0
  nopw   0x0(%rax,%rax,1)
L25:
  movsd  (%rsi,%rax,8),%xmm0
  movsd  (%rdi,%rax,8),%xmm2
  mulsd  (%rdx,%rax,8),%xmm0
  mulsd  (%rcx,%rax,8),%xmm2
  add    $0x1,%rax
  addsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm3
  cmp    %r8,%rax
  jne    L25
L0:
  movsd  (%r9),%xmm0
  mulsd  %xmm4,%xmm3
  add    $0x8,%r9
  add    %r10,%rdx
  add    %r11,%rcx
  mulsd  %xmm1,%xmm0
  addsd  %xmm0,%xmm3
  movsd  %xmm3,-0x8(%r9)
  cmp    %rbx,%r9
  jne    L16
  sub    $0x1,%r12d
  add    $0x1,%r14
  add    -0x8(%rsp),%r13
  add    %r10,%rdi
  add    %r11,%rsi
  add    %r10,%r15
  cmp    $0xffffffff,%r12d
  jne    L47
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L14:
  ret
```

assistant: ```c
void pencil_dsyr2k_nn_u(int n_255_607, int k_256_608, double alpha_257_609, int ldA_258_610, double A_259_611[restrict const n_255_607][k_256_608], int ldB_260_612, double B_261_613[restrict const k_256_608][n_255_607], double beta_262_614, int ldCT_263_615, double CT_264_616[restrict const n_255_607][n_255_607]) {
#pragma scop
  {
#pragma pencil independent
    for (int i_323_273_1243_2069 = 0; i_323_273_1243_2069 <= (n_255_607 - 1); i_323_273_1243_2069 += 1) {
#pragma pencil independent
      for (int i_325_275_1244_2071 = 0; i_325_275_1244_2071 <= ((((n_255_607 - 1) - i_323_273_1243_2069) + 1) - 1); i_325_275_1244_2071 += 1) {
        double accum_326_276_1245_2068;
        accum_326_276_1245_2068 = 0.0;
        for (int i_327_277_1246_2070 = 0; i_327_277_1246_2070 <= (k_256_608 - 1); i_327_277_1246_2070 += 1) {
          accum_326_276_1245_2068 = (accum_326_276_1245_2068 + ((A_259_611[i_323_273_1243_2069][i_327_277_1246_2070] * B_261_613[(i_325_275_1244_2071 + i_323_273_1243_2069)][i_327_277_1246_2070]) + (B_261_613[i_323_273_1243_2069][i_327_277_1246_2070] * A_259_611[(i_325_275_1244_2071 + i_323_273_1243_2069)][i_327_277_1246_2070])));
        }
        CT_264_616[i_323_273_1243_2069][(i_323_273_1243_2069 + i_325_275_1244_2071)] = ((beta_262_614 * CT_264_616[i_323_273_1243_2069][(i_323_273_1243_2069 + i_325_275_1244_2071)]) + (alpha_257_609 * accum_326_276_1245_2068));
      }
    }
  }
#pragma endscop
}
```