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

```asm
<knn_thread>:
  endbr64
  push   %r15
  mov    %r8,%r15
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  mov    %ecx,%edi
  push   %rbx
  imul   %ebp,%edi
  mov    %ecx,%ebx
  sub    $0x18,%rsp
  mov    %r9,0x8(%rsp)
  call   <fvec_new@plt>
  sub    $0x8,%rsp
  mov    %ebx,%r8d
  mov    %r14d,%ecx
  push   0x70(%rsp)
  mov    %rax,%r12
  mov    %r13d,%edx
  mov    %ebp,%esi
  push   0x70(%rsp)
  mov    $0x2,%edi
  mov    0x70(%rsp),%eax
  push   %rax
  push   %r12
  push   0x78(%rsp)
  push   $0x0
  mov    0x40(%rsp),%r9
  push   %r9
  mov    %r15,%r9
  call   <knn_full_thread@plt>
  add    $0x58,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
float *knn_thread(int npt, int nclust, int d, int k, const float *codebook, const float *coords, int *vw, int n_thread, void (*peek_fun)(void *arg, double frac), void *peek_arg) {
  float *vwdis2 = fvec_new(k * npt);
  knn_full_thread(2, npt, nclust, d, k, codebook, coords, NULL, vw, vwdis2, n_thread, peek_fun, peek_arg);
  return vwdis2;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<execleat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  mov    %edi,-0xc4(%rbp)
  mov    %rsi,-0xd0(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L3
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L3:
  mov    -0xd0(%rbp),%rdx
  mov    -0xb8(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0xb8(%rbp),%edx
  mov    -0xd0(%rbp),%rsi
  mov    -0xc4(%rbp),%eax
  mov    $0x0,%r8d
  mov    $0x1,%ecx
  mov    %eax,%edi
  call   <vexecat@plt>
  mov    D19(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0xb4(%rbp)
  mov    -0xb8(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    D19(%rip),%rax
  mov    -0xb4(%rbp),%edx
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  leave
  ret
```

assistant: ```c
int execleat(int dirfd, const char *path, ...) {
  int saved_errno;
  va_list argv;
  va_start(argv, path);
  vexecat(dirfd, path, argv, 1, 0);
  saved_errno = errno;
  va_end(argv);
  return errno = saved_errno, -1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<execleat>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbx
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <va_start@plt>
  mov    $0x0,%r8d
  mov    $0x1,%ecx
  mov    %ebp,%edx
  mov    %rbx,%rsi
  mov    %r12d,%edi
  call   <vexecat@plt>
  mov    D7(%rip),%rbx
  mov    (%rbx),%r12d
  mov    %ebp,%edi
  call   <va_end@plt>
  mov    %r12d,(%rbx)
  mov    $0xffffffff,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int execleat(int dirfd, const char *path, ...) {
  int saved_errno;
  va_list argv;
  va_start(argv, path);
  vexecat(dirfd, path, argv, 1, 0);
  saved_errno = errno;
  va_end(argv);
  return errno = saved_errno, -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<execleat>:
  endbr64
  push   %r13
  mov    %edi,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %r12d,%edi
  mov    %rsi,%rbp
  call   <va_start@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  xor    %r8d,%r8d
  mov    $0x1,%ecx
  call   <vexecat@plt>
  mov    D8(%rip),%rbp
  mov    %r12d,%edi
  mov    0x0(%rbp),%r13d
  call   <va_end@plt>
  mov    $0xffffffff,%eax
  mov    %r13d,0x0(%rbp)
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int execleat(int dirfd, const char *path, ...) {
  int saved_errno;
  va_list argv;
  va_start(argv, path);
  vexecat(dirfd, path, argv, 1, 0);
  saved_errno = errno;
  va_end(argv);
  return errno = saved_errno, -1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<execleat>:
  endbr64
  push   %r13
  mov    %edi,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %r12d,%edi
  mov    %rsi,%rbp
  call   <va_start@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  xor    %r8d,%r8d
  mov    $0x1,%ecx
  call   <vexecat@plt>
  mov    D2(%rip),%rbp
  mov    %r12d,%edi
  mov    0x0(%rbp),%r13d
  call   <va_end@plt>
  mov    $0xffffffff,%eax
  mov    %r13d,0x0(%rbp)
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int execleat(int dirfd, const char *path, ...) {
  int saved_errno;
  va_list argv;
  va_start(argv, path);
  vexecat(dirfd, path, argv, 1, 0);
  saved_errno = errno;
  va_end(argv);
  return errno = saved_errno, -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<print_it>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  je     L15
  cmpq   $0x0,-0x28(%rbp)
  je     L15
  cmpq   $0x0,-0x18(%rbp)
  je     L42
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L42:
  movq   $0x0,-0x8(%rbp)
  jmp    L34
L31:
  mov    -0x20(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addq   $0x1,-0x8(%rbp)
L34:
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jb     L31
  mov    $0xa,%edi
  call   <putchar@plt>
  jmp    L56
L15:
  nop
L56:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D4
type_guessed: string
name: parse_data
arguments: data_tag: D1
type_guessed: string

tool: D4: %s: 

tool: D1: %02X

assistant: ```c
void print_it(const char *label, const unsigned char *buff, size_t len) {
  if (!buff || !len)
    return;
  if (label)
    printf("%s: ", label);
  for (size_t i = 0; i < len; ++i)
    printf("%02X", buff[i]);
  printf("\n");
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<print_it>:
  endbr64
  test   %rsi,%rsi
  je     L3
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%rbp
  mov    %rdx,%r12
  test   %rdx,%rdx
  je     L20
  test   %rdi,%rdi
  je     L36
  mov    %rdi,%rsi
  lea    D7(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L36:
  mov    $0x0,%ebx
  lea    D10(%rip),%r13
L17:
  movzbl 0x0(%rbp,%rbx,1),%esi
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%rbx
  cmp    %rbx,%r12
  ja     L17
  mov    $0xa,%edi
  call   <putchar@plt>
L20:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L3:
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D7
type: string
name: disassemble_data
arguments: data_tag: D10
type: string

tool: D7: %s: 

tool: D10: %02X

assistant: ```c
void print_it(const char *label, const unsigned char *buff, size_t len) {
  if (!buff || !len)
    return;
  if (label)
    printf("%s: ", label);
  for (size_t i = 0; i < len; ++i)
    printf("%02X", buff[i]);
  printf("\n");
}
```
user: What is the c source code of the assembly code below:

```asm
<print_it>:
  endbr64
  test   %rsi,%rsi
  je     L5
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  je     L34
  mov    %rsi,%rbp
  test   %rdi,%rdi
  je     L10
  mov    %rdi,%rsi
  xor    %eax,%eax
  lea    D14(%rip),%rdi
  call   <printf@plt>
L10:
  xor    %ebx,%ebx
  lea    D8(%rip),%r13
  nopl   (%rax)
L7:
  movzbl 0x0(%rbp,%rbx,1),%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %rbx,%r12
  ja     L7
  add    $0x8,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax)
L34:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  ret
```

tool_calls: name: parse_data
arguments: label: D14
type: string
name: parse_data
arguments: label: D8
type: string

tool: D14: %s: 

tool: D8: %02X

assistant: ```c
void print_it(const char *label, const unsigned char *buff, size_t len) {
  if (!buff || !len)
    return;
  if (label)
    printf("%s: ", label);
  for (size_t i = 0; i < len; ++i)
    printf("%02X", buff[i]);
  printf("\n");
}
```
user: Translate the below assembly code into C programming language:

```asm
<print_it>:
  endbr64
  test   %rsi,%rsi
  je     L37
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  je     L27
  mov    %rsi,%rbp
  test   %rdi,%rdi
  je     L12
  mov    %rdi,%rsi
  xor    %eax,%eax
  lea    D15(%rip),%rdi
  call   <printf@plt>
L12:
  xor    %ebx,%ebx
  lea    D12(%rip),%r13
  nopl   (%rax)
L30:
  movzbl 0x0(%rbp,%rbx,1),%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <printf@plt>
  cmp    %rbx,%r12
  ja     L30
  add    $0x8,%rsp
  mov    $0xa,%edi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax)
L27:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L37:
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D15
type_infered: string
name: disassemble_data
arguments: data_label: D12
type_infered: string

tool: D15: %s: 

tool: D12: %02X

assistant: ```c
void print_it(const char *label, const unsigned char *buff, size_t len) {
  if (!buff || !len)
    return;
  if (label)
    printf("%s: ", label);
  for (size_t i = 0; i < len; ++i)
    printf("%02X", buff[i]);
  printf("\n");
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<parse_registers_block>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %rdx,-0x18(%rbp)
L8:
  mov    -0x8(%rbp),%rax
  mov    $0x7d,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L0
  mov    -0x18(%rbp),%rdx
  mov    -0xc(%rbp),%ecx
  mov    -0x8(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L8
  jmp    L3
L0:
  nop
L3:
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int parse_registers_block(char *buf, int buflen, FILE *f) {
  do {
    if (strchr(buf, '}') != NULL) {
      break;
    }
  } while (fgets(buf, buflen, f) != NULL);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<parse_registers_block>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %esi,%r12d
  mov    %rdx,%rbp
L17:
  mov    $0x7d,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L14
  mov    %rbp,%rdx
  mov    %r12d,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L17
L14:
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int parse_registers_block(char *buf, int buflen, FILE *f) {
  do {
    if (strchr(buf, '}') != NULL) {
      break;
    }
  } while (fgets(buf, buflen, f) != NULL);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<parse_registers_block>:
  endbr64
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  jmp    L20
  nopl   0x0(%rax,%rax,1)
L9:
  mov    %rbp,%rdx
  mov    %r12d,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L11
L20:
  mov    $0x7d,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L9
L11:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int parse_registers_block(char *buf, int buflen, FILE *f) {
  do {
    if (strchr(buf, '}') != NULL) {
      break;
    }
  } while (fgets(buf, buflen, f) != NULL);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<parse_registers_block>:
  endbr64
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  jmp    L18
  nopl   0x0(%rax,%rax,1)
L25:
  mov    %rbp,%rdx
  mov    %r12d,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L13
L18:
  mov    $0x7d,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L25
L13:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int parse_registers_block(char *buf, int buflen, FILE *f) {
  do {
    if (strchr(buf, '}') != NULL) {
      break;
    }
  } while (fgets(buf, buflen, f) != NULL);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<__mf_unwatch>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <__mf_watch_or_not@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
unsigned __mf_unwatch(void *ptr, size_t sz) {
  unsigned rc;
  do {
  } while (0);
  rc = __mf_watch_or_not(ptr, sz, 0);
  do {
  } while (0);
  return rc;
}
```
user: Translate the below assembly code into C programming language:

```asm
<__mf_unwatch>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%edx
  call   <__mf_watch_or_not@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
unsigned __mf_unwatch(void *ptr, size_t sz) {
  unsigned rc;
  do {
  } while (0);
  rc = __mf_watch_or_not(ptr, sz, 0);
  do {
  } while (0);
  return rc;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<__mf_unwatch>:
  endbr64
  xor    %edx,%edx
  jmp    1050 <__mf_watch_or_not@plt>
```

assistant: ```c
unsigned __mf_unwatch(void *ptr, size_t sz) {
  unsigned rc;
  do {
  } while (0);
  rc = __mf_watch_or_not(ptr, sz, 0);
  do {
  } while (0);
  return rc;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<__mf_unwatch>:
  endbr64
  xor    %edx,%edx
  jmp    1050 <__mf_watch_or_not@plt>
```

assistant: ```c
unsigned __mf_unwatch(void *ptr, size_t sz) {
  unsigned rc;
  do {
  } while (0);
  rc = __mf_watch_or_not(ptr, sz, 0);
  do {
  } while (0);
  return rc;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<new_matrix>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    -0x14(%rbp),%eax
  imul   -0x18(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L37
L35:
  movl   $0x0,-0xc(%rbp)
  jmp    L16
L2:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x5,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%eax
  imul   -0x18(%rbp),%eax
  mov    %eax,%ecx
  mov    -0xc(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2ss %edx,%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0xc(%rbp)
L16:
  mov    -0xc(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  jl     L2
  addl   $0x1,-0x10(%rbp)
L37:
  mov    -0x10(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L35
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
float *new_matrix(int rows, int cols) {
  float *m = (float *)malloc(rows * cols * sizeof(float));
  for (int i = 0; i < rows; i++) {
    for (int j = 0; j < cols; j++) {
      m[i * cols + j] = rand() % 100;
    }
  }
  return m;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<new_matrix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebx
  mov    %edi,0x8(%rsp)
  mov    %esi,%r14d
  imul   %esi,%edi
  shl    $0x2,%edi
  call   <malloc@plt>
  mov    %rax,%r15
  test   %ebx,%ebx
  jle    L13
  mov    $0x0,%r13d
  mov    $0x0,%r12d
  lea    -0x1(%r14),%eax
  mov    %eax,0xc(%rsp)
  jmp    L37
L2:
  movslq %r13d,%rdx
  lea    (%r15,%rdx,4),%rbx
  mov    0xc(%rsp),%eax
  add    %rdx,%rax
  lea    0x4(%r15,%rax,4),%rbp
L14:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  pxor   %xmm0,%xmm0
  cvtsi2ss %eax,%xmm0
  movss  %xmm0,(%rbx)
  add    $0x4,%rbx
  cmp    %rbp,%rbx
  jne    L14
L23:
  add    $0x1,%r12d
  add    %r14d,%r13d
  cmp    %r12d,0x8(%rsp)
  je     L13
L37:
  test   %r14d,%r14d
  jg     L2
  jmp    L23
L13:
  mov    %r15,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
float *new_matrix(int rows, int cols) {
  float *m = (float *)malloc(rows * cols * sizeof(float));
  for (int i = 0; i < rows; i++) {
    for (int j = 0; j < cols; j++) {
      m[i * cols + j] = rand() % 100;
    }
  }
  return m;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<new_matrix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x18,%rsp
  mov    %edi,0x8(%rsp)
  imul   %esi,%edi
  shl    $0x2,%edi
  call   <malloc@plt>
  mov    %rax,%r14
  test   %ebx,%ebx
  jle    L25
  lea    -0x1(%r13),%eax
  xor    %r12d,%r12d
  xor    %ebp,%ebp
  mov    %eax,0xc(%rsp)
  nopw   0x0(%rax,%rax,1)
L31:
  test   %r13d,%r13d
  jle    L37
  mov    0xc(%rsp),%eax
  movslq %r12d,%rdx
  lea    (%r14,%rdx,4),%r15
  add    %rdx,%rax
  lea    0x4(%r14,%rax,4),%rbx
  nopl   0x0(%rax,%rax,1)
L39:
  xor    %eax,%eax
  add    $0x4,%r15
  call   <rand@plt>
  pxor   %xmm0,%xmm0
  movslq %eax,%rdx
  mov    %eax,%esi
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x1f,%esi
  sar    $0x25,%rdx
  sub    %esi,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cvtsi2ss %eax,%xmm0
  movss  %xmm0,-0x4(%r15)
  cmp    %rbx,%r15
  jne    L39
L37:
  add    $0x1,%ebp
  add    %r13d,%r12d
  cmp    %ebp,0x8(%rsp)
  jne    L31
L25:
  add    $0x18,%rsp
  mov    %r14,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
float *new_matrix(int rows, int cols) {
  float *m = (float *)malloc(rows * cols * sizeof(float));
  for (int i = 0; i < rows; i++) {
    for (int j = 0; j < cols; j++) {
      m[i * cols + j] = rand() % 100;
    }
  }
  return m;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<new_matrix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,%r12d
  imul   %esi,%edi
  push   %rbp
  push   %rbx
  mov    %esi,%ebx
  shl    $0x2,%edi
  sub    $0x18,%rsp
  call   <malloc@plt>
  mov    %rax,0x8(%rsp)
  test   %r12d,%r12d
  jle    L3
  test   %ebx,%ebx
  jle    L3
  mov    %rax,%rcx
  lea    -0x1(%rbx),%eax
  movslq %ebx,%r14
  mov    $0xfffffffffffffffc,%r13
  shl    $0x2,%rax
  shl    $0x2,%r14
  xor    %ebp,%ebp
  lea    0x4(%rcx,%rax,1),%rbx
  sub    %rax,%r13
  nopw   0x0(%rax,%rax,1)
L31:
  lea    0x0(%r13,%rbx,1),%r15
  nopl   (%rax)
L35:
  xor    %eax,%eax
  add    $0x4,%r15
  call   <rand@plt>
  pxor   %xmm0,%xmm0
  movslq %eax,%rdx
  mov    %eax,%esi
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x1f,%esi
  sar    $0x25,%rdx
  sub    %esi,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cvtsi2ss %eax,%xmm0
  movss  %xmm0,-0x4(%r15)
  cmp    %rbx,%r15
  jne    L35
  add    $0x1,%ebp
  add    %r14,%rbx
  cmp    %ebp,%r12d
  jne    L31
L3:
  mov    0x8(%rsp),%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
float *new_matrix(int rows, int cols) {
  float *m = (float *)malloc(rows * cols * sizeof(float));
  for (int i = 0; i < rows; i++) {
    for (int j = 0; j < cols; j++) {
      m[i * cols + j] = rand() % 100;
    }
  }
  return m;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<reg_tokens_advance>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L0
L19:
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L0:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %eax,%eax
  je     L19
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *reg_tokens_advance(char *ptr, char *colname, char *seps) {
  char *optr = colname;
  while (!strchr(seps, *ptr)) {
    *optr++ = *ptr++;
  }
  *optr = '\0';
  return ptr;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<reg_tokens_advance>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %rdx,%r12
  jmp    L12
L5:
  add    $0x1,%rbx
  add    $0x1,%rbp
  movzbl -0x1(%rbx),%eax
  mov    %al,-0x1(%rbp)
L12:
  movsbl (%rbx),%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  test   %eax,%eax
  je     L5
  movb   $0x0,0x0(%rbp)
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *reg_tokens_advance(char *ptr, char *colname, char *seps) {
  char *optr = colname;
  while (!strchr(seps, *ptr)) {
    *optr++ = *ptr++;
  }
  *optr = '\0';
  return ptr;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<reg_tokens_advance>:
  endbr64
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  jmp    L14
  nopl   0x0(%rax,%rax,1)
L13:
  mov    %rbx,%rdi
  mov    %rbp,%rsi
  movsb  %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%rbp
  mov    %rdi,%rbx
L14:
  movsbl 0x0(%rbp),%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  test   %eax,%eax
  je     L13
  movb   $0x0,(%rbx)
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *reg_tokens_advance(char *ptr, char *colname, char *seps) {
  char *optr = colname;
  while (!strchr(seps, *ptr)) {
    *optr++ = *ptr++;
  }
  *optr = '\0';
  return ptr;
}
```
user: What is the c source code of the assembly code below:

```asm
<reg_tokens_advance>:
  endbr64
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  jmp    L9
  nopl   0x0(%rax,%rax,1)
L10:
  mov    %rbx,%rdi
  mov    %rbp,%rsi
  movsb  %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%rbp
  mov    %rdi,%rbx
L9:
  movsbl 0x0(%rbp),%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  test   %eax,%eax
  je     L10
  movb   $0x0,(%rbx)
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *reg_tokens_advance(char *ptr, char *colname, char *seps) {
  char *optr = colname;
  while (!strchr(seps, *ptr)) {
    *optr++ = *ptr++;
  }
  *optr = '\0';
  return ptr;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<pcg_unique_64_xsh_rr_32_boundedrand_r>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  neg    %eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %edx,-0x8(%rbp)
L4:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <pcg_unique_64_xsh_rr_32_random_r@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jl     L4
  mov    -0x4(%rbp),%eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %edx,%eax
  leave
  ret
```

assistant: ```c
uint32_t pcg_unique_64_xsh_rr_32_boundedrand_r(struct pcg_state_64 *rng, uint32_t bound) {
  uint32_t threshold = -bound % bound;
  for (;;) {
    uint32_t r = pcg_unique_64_xsh_rr_32_random_r(rng);
    if (r >= threshold)
      return r % bound;
  }
}
```