ylfeng/ReF-Decompile-dataset huggingface dataset:
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
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <f@plt>
  cmp    $0x2,%eax
  jne    L18
L19:
  mov    $0x0,%edi
  call   <_exit@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
L18:
  mov    $0xffffffff,%edi
  call   <_exit@plt>
  jmp    L19
```

assistant: ```c
int main() {
  if (f() != 2)
    _exit(-1);
  _exit(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
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <f@plt>
  cmp    $0x2,%eax
  je     L9
  or     $0xffffffff,%edi
  call   <_exit@plt>
L9:
  xor    %edi,%edi
  call   <_exit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  if (f() != 2)
    _exit(-1);
  _exit(0);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <f@plt>
  cmp    $0x2,%eax
  je     L9
  or     $0xffffffff,%edi
  call   <_exit@plt>
L9:
  xor    %edi,%edi
  call   <_exit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  if (f() != 2)
    _exit(-1);
  _exit(0);
}
```
user: What is the c source code of the assembly code below?

```asm
<work_kernel_dynamic>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  movsd  D8(%rip),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  D27(%rip),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movl   $0x1,-0x20(%rbp)
  jmp    L5
L0:
  movl   $0x1,-0x1c(%rbp)
  jmp    L36
L3:
  mov    -0x20(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x20(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x18(%rbp),%xmm1
  mov    -0x20(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  add    $0x1,%rax
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm2
  mov    -0x20(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  sub    $0x8,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm2,%xmm0
  mulsd  -0x10(%rbp),%xmm0
  movapd %xmm1,%xmm2
  addsd  %xmm0,%xmm2
  movsd  -0x18(%rbp),%xmm0
  movapd %xmm0,%xmm3
  addsd  %xmm0,%xmm3
  movsd  D8(%rip),%xmm0
  movapd %xmm0,%xmm1
  subsd  %xmm3,%xmm1
  movsd  -0x10(%rbp),%xmm0
  addsd  %xmm0,%xmm0
  subsd  %xmm0,%xmm1
  mov    -0x20(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  %xmm1,%xmm0
  addsd  %xmm2,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  addl   $0x1,-0x1c(%rbp)
L36:
  mov    -0x30(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x1c(%rbp)
  jl     L3
  addl   $0x1,-0x20(%rbp)
L5:
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x20(%rbp)
  jl     L0
  nop
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D8
type_guessed: f64
name: unpack_data
arguments: label: D27
type_guessed: f64

tool: D8: 1

tool: D27: 0.5

assistant: ```c
void work_kernel_dynamic(double **U, int m, int n) {
  int i, j;
  double a = 1.0, b = 0.5, c;
  for (i = 1; i < (m - 1); i++)
    for (j = 1; j < (n - 1); j++) {
      c = (a * (U[i + 1][j] + U[i - 1][j])) + (b * (U[i][j + 1] + U[i][j - 1])) + ((1 - (2 * a) - (2 * b)) * U[i][j]);
    }
  return;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<work_kernel_dynamic>:
  endbr64
  cmp    $0x2,%esi
  jle    L49
  lea    -0x1(%rsi),%edi
  mov    $0x1,%esi
  lea    -0x1(%rdx),%ecx
  jmp    L39
L46:
  add    $0x1,%eax
  cmp    %eax,%ecx
  jne    L46
L45:
  add    $0x1,%esi
  cmp    %edi,%esi
  je     L49
L39:
  mov    $0x1,%eax
  cmp    $0x2,%edx
  jg     L46
  jmp    L45
L49:
  ret
```

assistant: ```c
void work_kernel_dynamic(double **U, int m, int n) {
  int i, j;
  double a = 1.0, b = 0.5, c;
  for (i = 1; i < (m - 1); i++)
    for (j = 1; j < (n - 1); j++) {
      c = (a * (U[i + 1][j] + U[i - 1][j])) + (b * (U[i][j + 1] + U[i][j - 1])) + ((1 - (2 * a) - (2 * b)) * U[i][j]);
    }
  return;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<work_kernel_dynamic>:
  endbr64
  ret
```

assistant: ```c
void work_kernel_dynamic(double **U, int m, int n) {
  int i, j;
  double a = 1.0, b = 0.5, c;
  for (i = 1; i < (m - 1); i++)
    for (j = 1; j < (n - 1); j++) {
      c = (a * (U[i + 1][j] + U[i - 1][j])) + (b * (U[i][j + 1] + U[i][j - 1])) + ((1 - (2 * a) - (2 * b)) * U[i][j]);
    }
  return;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<work_kernel_dynamic>:
  endbr64
  ret
```

assistant: ```c
void work_kernel_dynamic(double **U, int m, int n) {
  int i, j;
  double a = 1.0, b = 0.5, c;
  for (i = 1; i < (m - 1); i++)
    for (j = 1; j < (n - 1); j++) {
      c = (a * (U[i + 1][j] + U[i - 1][j])) + (b * (U[i][j + 1] + U[i][j - 1])) + ((1 - (2 * a) - (2 * b)) * U[i][j]);
    }
  return;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<feupdateenv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdi
  call   <fegetenv@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fesetenv@plt>
  mov    -0xc(%rbp),%edx
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  and    %edx,%eax
  mov    %eax,%edi
  call   <feraiseexcept@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fcsr;
  fegetenv(&__fcsr);
  fesetenv(__envp);
  feraiseexcept(__fcsr & FE_ALL_EXCEPT);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<feupdateenv>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <fegetenv@plt>
  mov    %rbx,%rdi
  call   <fesetenv@plt>
  mov    D3(%rip),%rax
  mov    0x4(%rsp),%edi
  and    (%rax),%edi
  call   <feraiseexcept@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fcsr;
  fegetenv(&__fcsr);
  fesetenv(__envp);
  feraiseexcept(__fcsr & FE_ALL_EXCEPT);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<feupdateenv>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <fegetenv@plt>
  mov    %rbp,%rdi
  call   <fesetenv@plt>
  mov    D3(%rip),%rax
  mov    0x4(%rsp),%edi
  and    (%rax),%edi
  call   <feraiseexcept@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fcsr;
  fegetenv(&__fcsr);
  fesetenv(__envp);
  feraiseexcept(__fcsr & FE_ALL_EXCEPT);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<feupdateenv>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <fegetenv@plt>
  mov    %rbp,%rdi
  call   <fesetenv@plt>
  mov    D8(%rip),%rax
  mov    0x4(%rsp),%edi
  and    (%rax),%edi
  call   <feraiseexcept@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fcsr;
  fegetenv(&__fcsr);
  fesetenv(__envp);
  feraiseexcept(__fcsr & FE_ALL_EXCEPT);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<pdu_rest_is_zero>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%rax
  lea    D2(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  leave
  ret
```

assistant: ```c
int pdu_rest_is_zero(unsigned char *pdu, int len) {
  static char zero[4096];
  return !memcmp(pdu, zero, len);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<pdu_rest_is_zero>:
  endbr64
  sub    $0x8,%rsp
  mov    %esi,%edx
  lea    D5(%rip),%rsi
  call   <memcmp@plt>
  test   %eax,%eax
  sete   %al
  movzbl %al,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int pdu_rest_is_zero(unsigned char *pdu, int len) {
  static char zero[4096];
  return !memcmp(pdu, zero, len);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<pdu_rest_is_zero>:
  endbr64
  sub    $0x8,%rsp
  mov    %esi,%edx
  lea    D7(%rip),%rsi
  call   <memcmp@plt>
  test   %eax,%eax
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
int pdu_rest_is_zero(unsigned char *pdu, int len) {
  static char zero[4096];
  return !memcmp(pdu, zero, len);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<pdu_rest_is_zero>:
  endbr64
  sub    $0x8,%rsp
  mov    %esi,%edx
  lea    D9(%rip),%rsi
  call   <memcmp@plt>
  test   %eax,%eax
  sete   %al
  add    $0x8,%rsp
  movzbl %al,%eax
  ret
```

assistant: ```c
int pdu_rest_is_zero(unsigned char *pdu, int len) {
  static char zero[4096];
  return !memcmp(pdu, zero, len);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<gklt_1d>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L22
L7:
  movl   $0x0,-0x4(%rbp)
  jmp    L27
L28:
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x8,%rax
  mov    %rax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%eax
  cltq
  shl    $0x5,%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  lea    D19(%rip),%rax
  movsd  %xmm0,(%rdx,%rax,1)
  addl   $0x1,-0x4(%rbp)
L27:
  cmpl   $0x1f,-0x4(%rbp)
  jle    L28
  addl   $0x1,-0x8(%rbp)
L22:
  cmpl   $0x1f,-0x8(%rbp)
  jle    L7
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdx
  lea    D19(%rip),%rax
  mov    %rax,%rsi
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <flap_2d@plt>
  mov    -0x18(%rbp),%rax
  mov    $0x10,%edx
  lea    D3(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <symeigen@plt>
  nop
  leave
  ret
```

assistant: ```c
void gklt_1d(double klt[(1 << (4))][(1 << (4))], double cov[((1 << (4)) * 2)][((1 << (4)) * 2)], const int *_f) {
  static double workA[((1 << (4)) * 2)][((1 << (4)) * 2)];
  static double workB[(1 << (4))][(1 << (4))];
  int i, j;
  for (i = 0; i < ((1 << (4)) * 2); i++)
    for (j = 0; j < ((1 << (4)) * 2); j++)
      workA[i][j] = cov[i][j];
  flap_2d(workB, workA, _f);
  symeigen(&klt[0][0], &workB[0][0], (1 << (4)));
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<gklt_1d>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rdx,%r8
  lea    D17(%rip),%rdx
  lea    0x2000(%rdx),%rdi
L15:
  mov    %rsi,%rcx
  mov    $0x0,%eax
L16:
  movsd  (%rcx,%rax,1),%xmm0
  movsd  %xmm0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    $0x100,%rax
  jne    L16
  add    $0x100,%rsi
  add    $0x100,%rdx
  cmp    %rdi,%rdx
  jne    L15
  mov    %r8,%rdx
  lea    D17(%rip),%rsi
  lea    D9(%rip),%rbx
  mov    %rbx,%rdi
  call   <flap_2d@plt>
  mov    $0x10,%edx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <symeigen@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void gklt_1d(double klt[(1 << (4))][(1 << (4))], double cov[((1 << (4)) * 2)][((1 << (4)) * 2)], const int *_f) {
  static double workA[((1 << (4)) * 2)][((1 << (4)) * 2)];
  static double workB[(1 << (4))][(1 << (4))];
  int i, j;
  for (i = 0; i < ((1 << (4)) * 2); i++)
    for (j = 0; j < ((1 << (4)) * 2); j++)
      workA[i][j] = cov[i][j];
  flap_2d(workB, workA, _f);
  symeigen(&klt[0][0], &workB[0][0], (1 << (4)));
}
```
user: What is the c source code of the assembly code below:

```asm
<gklt_1d>:
  endbr64
  push   %r12
  lea    D16(%rip),%r9
  mov    %rdx,%r8
  mov    %rsi,%rcx
  push   %rbp
  mov    %r9,%rdx
  mov    %rdi,%rbp
  lea    0x2000(%r9),%rsi
  sub    $0x8,%rsp
  nopl   (%rax)
L10:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L7:
  movsd  (%rcx,%rax,1),%xmm0
  movsd  %xmm0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    $0x100,%rax
  jne    L7
  add    $0x100,%rdx
  add    $0x100,%rcx
  cmp    %rsi,%rdx
  jne    L10
  lea    D4(%rip),%r12
  mov    %r8,%rdx
  mov    %r9,%rsi
  mov    %r12,%rdi
  call   <flap_2d@plt>
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    $0x10,%edx
  pop    %rbp
  pop    %r12
  jmp    1070 <symeigen@plt>
```

assistant: ```c
void gklt_1d(double klt[(1 << (4))][(1 << (4))], double cov[((1 << (4)) * 2)][((1 << (4)) * 2)], const int *_f) {
  static double workA[((1 << (4)) * 2)][((1 << (4)) * 2)];
  static double workB[(1 << (4))][(1 << (4))];
  int i, j;
  for (i = 0; i < ((1 << (4)) * 2); i++)
    for (j = 0; j < ((1 << (4)) * 2); j++)
      workA[i][j] = cov[i][j];
  flap_2d(workB, workA, _f);
  symeigen(&klt[0][0], &workB[0][0], (1 << (4)));
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<gklt_1d>:
  endbr64
  push   %r12
  lea    D9(%rip),%r9
  mov    %rdx,%r8
  mov    %rsi,%rcx
  push   %rbp
  mov    %r9,%rdx
  mov    %rdi,%rbp
  lea    0x2000(%r9),%rsi
  sub    $0x8,%rsp
  jmp    L10
  nopw   0x0(%rax,%rax,1)
L8:
  movupd (%rcx),%xmm1
  movaps %xmm1,(%rdx)
  movupd 0x10(%rcx),%xmm2
  movaps %xmm2,0x10(%rdx)
  movupd 0x20(%rcx),%xmm3
  movaps %xmm3,0x20(%rdx)
  movupd 0x30(%rcx),%xmm4
  movaps %xmm4,0x30(%rdx)
  movupd 0x40(%rcx),%xmm5
  movaps %xmm5,0x40(%rdx)
  movupd 0x50(%rcx),%xmm6
  movaps %xmm6,0x50(%rdx)
  movupd 0x60(%rcx),%xmm7
  movaps %xmm7,0x60(%rdx)
  movupd 0x70(%rcx),%xmm1
  movaps %xmm1,0x70(%rdx)
  movupd 0x80(%rcx),%xmm2
  movaps %xmm2,0x80(%rdx)
  movupd 0x90(%rcx),%xmm3
  movaps %xmm3,0x90(%rdx)
  movupd 0xa0(%rcx),%xmm4
  movaps %xmm4,0xa0(%rdx)
  movupd 0xb0(%rcx),%xmm5
  movaps %xmm5,0xb0(%rdx)
  movupd 0xc0(%rcx),%xmm6
  movaps %xmm6,0xc0(%rdx)
  movupd 0xd0(%rcx),%xmm7
  movaps %xmm7,0xd0(%rdx)
  movupd 0xe0(%rcx),%xmm1
  movaps %xmm1,0xe0(%rdx)
  movupd 0xf0(%rcx),%xmm2
  movaps %xmm2,0xf0(%rdx)
L31:
  add    $0x100,%rdx
  add    $0x100,%rcx
  cmp    %rdx,%rsi
  je     L0
L10:
  lea    0x8(%rcx),%rax
  cmp    %rax,%rdx
  jne    L8
  xor    %eax,%eax
L34:
  movsd  (%rcx,%rax,1),%xmm0
  movsd  %xmm0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    $0x100,%rax
  jne    L34
  jmp    L31
L0:
  lea    D19(%rip),%r12
  mov    %r8,%rdx
  mov    %r9,%rsi
  mov    %r12,%rdi
  call   <flap_2d@plt>
  add    $0x8,%rsp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    $0x10,%edx
  pop    %rbp
  pop    %r12
  jmp    1070 <symeigen@plt>
```

assistant: ```c
void gklt_1d(double klt[(1 << (4))][(1 << (4))], double cov[((1 << (4)) * 2)][((1 << (4)) * 2)], const int *_f) {
  static double workA[((1 << (4)) * 2)][((1 << (4)) * 2)];
  static double workB[(1 << (4))][(1 << (4))];
  int i, j;
  for (i = 0; i < ((1 << (4)) * 2); i++)
    for (j = 0; j < ((1 << (4)) * 2); j++)
      workA[i][j] = cov[i][j];
  flap_2d(workB, workA, _f);
  symeigen(&klt[0][0], &workB[0][0], (1 << (4)));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<writen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L31
L29:
  mov    -0x8(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jg     L34
  mov    -0x4(%rbp),%eax
  jmp    L4
L34:
  mov    -0x4(%rbp),%eax
  sub    %eax,-0x8(%rbp)
  mov    -0x4(%rbp),%eax
  cltq
  add    %rax,-0x20(%rbp)
L31:
  cmpl   $0x0,-0x8(%rbp)
  jg     L29
  mov    -0x18(%rbp),%eax
  sub    -0x8(%rbp),%eax
L4:
  leave
  ret
```

assistant: ```c
int writen(int fd, char *ptr, int nbytes) {
  int nleft, nwritten;
  nleft = nbytes;
  while (nleft > 0) {
    nwritten = write(fd, ptr, nleft);
    if (nwritten <= 0)
      return (nwritten);
    nleft -= nwritten;
    ptr += nwritten;
  }
  return (nbytes - nleft);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<writen>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edx,%r13d
  test   %edx,%edx
  jle    L6
  mov    %edi,%r12d
  mov    %rsi,%rbp
  mov    %edx,%ebx
L0:
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <write@plt>
  test   %eax,%eax
  jle    L32
  sub    %eax,%ebx
  cltq
  add    %rax,%rbp
  test   %ebx,%ebx
  jg     L0
L19:
  mov    %r13d,%eax
  sub    %ebx,%eax
L32:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L6:
  mov    %edx,%ebx
  jmp    L19
```

assistant: ```c
int writen(int fd, char *ptr, int nbytes) {
  int nleft, nwritten;
  nleft = nbytes;
  while (nleft > 0) {
    nwritten = write(fd, ptr, nleft);
    if (nwritten <= 0)
      return (nwritten);
    nleft -= nwritten;
    ptr += nwritten;
  }
  return (nbytes - nleft);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<writen>:
  endbr64
  test   %edx,%edx
  jle    L1
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x8,%rsp
  jmp    L32
  xchg   %ax,%ax
L3:
  sub    %eax,%ebx
  cltq
  add    %rax,%r13
  test   %ebx,%ebx
  jle    L14
L32:
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <write@plt>
  test   %eax,%eax
  jg     L3
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L14:
  add    $0x8,%rsp
  mov    %r12d,%eax
  sub    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L1:
  xor    %eax,%eax
  ret
```

assistant: ```c
int writen(int fd, char *ptr, int nbytes) {
  int nleft, nwritten;
  nleft = nbytes;
  while (nleft > 0) {
    nwritten = write(fd, ptr, nleft);
    if (nwritten <= 0)
      return (nwritten);
    nleft -= nwritten;
    ptr += nwritten;
  }
  return (nbytes - nleft);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<writen>:
  endbr64
  test   %edx,%edx
  jle    L38
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x8,%rsp
  jmp    L17
  xchg   %ax,%ax
L1:
  sub    %eax,%ebx
  cltq
  add    %rax,%r13
  test   %ebx,%ebx
  jle    L24
L17:
  mov    %ebx,%edx
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <write@plt>
  test   %eax,%eax
  jg     L1
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L24:
  add    $0x8,%rsp
  mov    %r12d,%eax
  sub    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L38:
  xor    %eax,%eax
  ret
```

assistant: ```c
int writen(int fd, char *ptr, int nbytes) {
  int nleft, nwritten;
  nleft = nbytes;
  while (nleft > 0) {
    nwritten = write(fd, ptr, nleft);
    if (nwritten <= 0)
      return (nwritten);
    nleft -= nwritten;
    ptr += nwritten;
  }
  return (nbytes - nleft);
}
```
user: Translate the below assembly code into C programming language:

```asm
<wpspinchecksum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  jmp    L6
L19:
  mov    -0x4(%rbp),%ecx
  mov    %ecx,%edx
  mov    $0xcccccccd,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  mov    %eax,%edx
  shr    $0x3,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %eax,%edx
  mov    D26(%rip),%eax
  add    %edx,%eax
  mov    %eax,D4(%rip)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    $0xcccccccd,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  shr    $0x3,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%ecx
  mov    %ecx,%edx
  mov    $0xcccccccd,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  mov    %eax,%edx
  shr    $0x3,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    D4(%rip),%eax
  add    %edx,%eax
  mov    %eax,D4(%rip)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    $0xcccccccd,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  shr    $0x3,%eax
  mov    %eax,-0x4(%rbp)
L6:
  cmpl   $0x0,-0x4(%rbp)
  jne    L19
  mov    D4(%rip),%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  mov    %eax,%esi
  mov    %esi,%eax
  shl    $0x2,%eax
  add    %esi,%eax
  add    %eax,%eax
  mov    %edx,%esi
  sub    %eax,%esi
  mov    $0xa,%eax
  sub    %esi,%eax
  mov    %eax,%ecx
  movslq %ecx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %ecx,%esi
  sar    $0x1f,%esi
  sub    %esi,%eax
  mov    %eax,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int wpspinchecksum(unsigned int pin) {
  static int accum = 0;
  while (pin) {
    accum += 3 * (pin % 10);
    pin /= 10;
    accum += pin % 10;
    pin /= 10;
  }
  return (10 - accum % 10) % 10;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<wpspinchecksum>:
  endbr64
  mov    %edi,%ecx
  test   %edi,%edi
  je     L9
  mov    D21(%rip),%r8d
  mov    $0xcccccccd,%r9d
L10:
  mov    %ecx,%eax
  imul   %r9,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%edx
  add    %edx,%edx
  mov    %ecx,%esi
  sub    %edx,%esi
  lea    (%rsi,%rsi,2),%esi
  mov    %eax,%edx
  imul   %r9,%rdx
  shr    $0x23,%rdx
  lea    (%rdx,%rdx,4),%edi
  add    %edi,%edi
  sub    %edi,%eax
  add    %esi,%eax
  add    %eax,%r8d
  mov    %ecx,%eax
  mov    %edx,%ecx
  cmp    $0x63,%eax
  ja     L10
  mov    %r8d,D18(%rip)
L9:
  mov    D18(%rip),%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %edx,%eax
  lea    0xa(%rax),%ecx
  movslq %ecx,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  mov    %ecx,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  lea    (%rax,%rax,4),%edx
  add    %edx,%edx
  mov    %ecx,%eax
  sub    %edx,%eax
  ret
```

assistant: ```c
unsigned int wpspinchecksum(unsigned int pin) {
  static int accum = 0;
  while (pin) {
    accum += 3 * (pin % 10);
    pin /= 10;
    accum += pin % 10;
    pin /= 10;
  }
  return (10 - accum % 10) % 10;
}
```