ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<sinc_approx>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,%r13d
  movq   %xmm0,%rbx
  movapd %xmm1,%xmm0
  movsd  %xmm1,0x10(%rsp)
  movq   %xmm2,%rbp
  movq   %xmm3,%r12
  movapd %xmm2,%xmm1
  call   <fmin@plt>
  pxor   %xmm4,%xmm4
  cvtsi2sd %r13d,%xmm4
  movsd  %xmm4,0x18(%rsp)
  mov    D1(%rip),%rax
  movq   %rbx,%xmm1
  mulsd  (%rax),%xmm1
  mulsd  %xmm4,%xmm0
  divsd  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  ucomisd %xmm1,%xmm0
  ja     L7
  sqrtsd %xmm1,%xmm1
  movsd  %xmm1,0x8(%rsp)
L49:
  movq   %rbp,%xmm6
  movsd  0x10(%rsp),%xmm5
  comisd %xmm5,%xmm6
  jb     L21
  movsd  0x18(%rsp),%xmm0
  mulsd  %xmm5,%xmm0
  divsd  %xmm6,%xmm0
  call   <ceil@plt>
  mov    %eax,%ebx
L5:
  movq   %r12,%xmm0
  call   <sinh@plt>
  mov    %eax,%edi
  call   <log@plt>
  movq   %xmm0,%rbp
  mov    %r13d,%r12d
  neg    %r12d
  test   %r13d,%r13d
  jle    L93
  pxor   %xmm6,%xmm6
  movsd  %xmm6,0x18(%rsp)
L63:
  pxor   %xmm0,%xmm0
  cvtsi2sd %r12d,%xmm0
  mulsd  0x8(%rsp),%xmm0
  cvttsd2si %xmm0,%edi
  call   <ftrans@plt>
  movq   %xmm0,%r13
  movq   %rbp,%xmm1
  movsd  0x8(%rsp),%xmm0
  mov    %r12d,%edi
  call   <S@plt>
  movq   %r13,%xmm6
  mulsd  %xmm6,%xmm0
  addsd  0x18(%rsp),%xmm0
  movsd  %xmm0,0x18(%rsp)
  add    $0x1,%r12d
  js     L63
L0:
  test   %ebx,%ebx
  js     L81
  pxor   %xmm7,%xmm7
  movsd  %xmm7,0x10(%rsp)
L88:
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebx,%xmm0
  mulsd  0x8(%rsp),%xmm0
  cvttsd2si %xmm0,%edi
  call   <ftrans@plt>
  movq   %xmm0,%r13
  movq   %rbp,%xmm1
  movsd  0x8(%rsp),%xmm0
  mov    %ebx,%edi
  call   <S@plt>
  movq   %r13,%xmm2
  mulsd  %xmm2,%xmm0
  addsd  0x10(%rsp),%xmm0
  movsd  %xmm0,0x10(%rsp)
  sub    $0x1,%ebx
  cmp    $0xffffffff,%ebx
  jne    L88
L78:
  movsd  0x18(%rsp),%xmm0
  addsd  0x10(%rsp),%xmm0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L7:
  movapd %xmm1,%xmm0
  call   <sqrt@plt>
  movsd  %xmm0,0x8(%rsp)
  jmp    L49
L21:
  movq   %rbp,%xmm0
  mulsd  0x18(%rsp),%xmm0
  divsd  0x10(%rsp),%xmm0
  call   <ceil@plt>
  mov    %r13d,%ebx
  mov    %eax,%r13d
  jmp    L5
L93:
  pxor   %xmm7,%xmm7
  movsd  %xmm7,0x18(%rsp)
  jmp    L0
L81:
  pxor   %xmm7,%xmm7
  movsd  %xmm7,0x10(%rsp)
  jmp    L78
```

assistant: ```c
double sinc_approx(int n, double d, double alpha, double beta, double t) {
  int k, M, N;
  double mu = fmin(alpha, beta);
  double h = sqrt(M_PI * d / (mu * n));
  if (alpha <= beta) {
    M = n;
    N = (int)ceil(alpha * n / beta);
  } else {
    M = (int)ceil(beta * n / alpha);
    N = n;
  }
  double x = log(sinh(t));
  double val1 = 0;
  double val2 = 0;
  for (k = -M; k < 0; k++) {
    val1 += ftrans(k * h) * S(k, h, x);
  }
  for (k = N; k >= 0; k--) {
    val2 += ftrans(k * h) * S(k, h, x);
  }
  return val1 + val2;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<sinc_approx>:
  endbr64
  push   %r14
  movapd %xmm1,%xmm5
  movapd %xmm2,%xmm1
  movq   %xmm3,%r14
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  movq   %xmm0,%rbx
  movapd %xmm5,%xmm0
  sub    $0x28,%rsp
  movsd  %xmm2,0x8(%rsp)
  movsd  %xmm5,(%rsp)
  call   <fmin@plt>
  pxor   %xmm4,%xmm4
  mov    D9(%rip),%rax
  movq   %rbx,%xmm3
  cvtsi2sd %ebp,%xmm4
  pxor   %xmm6,%xmm6
  movsd  (%rsp),%xmm5
  movsd  0x8(%rsp),%xmm2
  mulsd  (%rax),%xmm3
  mulsd  %xmm4,%xmm0
  divsd  %xmm0,%xmm3
  ucomisd %xmm3,%xmm6
  ja     L77
  sqrtsd %xmm3,%xmm3
  movsd  %xmm3,(%rsp)
L54:
  comisd %xmm5,%xmm2
  jb     L57
  mulsd  %xmm5,%xmm4
  mov    %ebp,%r12d
  movapd %xmm4,%xmm0
  divsd  %xmm2,%xmm0
  call   <ceil@plt>
  mov    %eax,%ebx
L62:
  movq   %r14,%xmm0
  mov    %r12d,%ebp
  call   <sinh@plt>
  neg    %ebp
  mov    %eax,%edi
  call   <log@plt>
  movq   $0x0,0x8(%rsp)
  movq   %xmm0,%r14
  test   %r12d,%r12d
  jle    L28
  nopl   0x0(%rax)
L52:
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebp,%xmm0
  mulsd  (%rsp),%xmm0
  cvttsd2si %xmm0,%edi
  call   <ftrans@plt>
  movq   %r14,%xmm1
  mov    %ebp,%edi
  movsd  %xmm0,0x10(%rsp)
  movsd  (%rsp),%xmm0
  call   <S@plt>
  mulsd  0x10(%rsp),%xmm0
  addsd  0x8(%rsp),%xmm0
  movsd  %xmm0,0x8(%rsp)
  add    $0x1,%ebp
  jne    L52
L28:
  pxor   %xmm2,%xmm2
  test   %ebx,%ebx
  js     L69
  nopl   0x0(%rax)
L79:
  pxor   %xmm0,%xmm0
  movsd  %xmm2,0x18(%rsp)
  cvtsi2sd %ebx,%xmm0
  mulsd  (%rsp),%xmm0
  cvttsd2si %xmm0,%edi
  call   <ftrans@plt>
  movq   %r14,%xmm1
  mov    %ebx,%edi
  movsd  %xmm0,0x10(%rsp)
  movsd  (%rsp),%xmm0
  call   <S@plt>
  mulsd  0x10(%rsp),%xmm0
  movsd  0x18(%rsp),%xmm2
  addsd  %xmm0,%xmm2
  sub    $0x1,%ebx
  jae    L79
L69:
  movsd  0x8(%rsp),%xmm0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  addsd  %xmm2,%xmm0
  pop    %r12
  pop    %r14
  ret
  nopl   (%rax)
L57:
  mulsd  %xmm2,%xmm4
  mov    %ebp,%ebx
  divsd  %xmm5,%xmm4
  movapd %xmm4,%xmm0
  call   <ceil@plt>
  mov    %eax,%r12d
  jmp    L62
L77:
  movapd %xmm3,%xmm0
  movsd  %xmm2,0x18(%rsp)
  movsd  %xmm5,0x10(%rsp)
  movsd  %xmm4,0x8(%rsp)
  call   <sqrt@plt>
  movsd  0x18(%rsp),%xmm2
  movsd  0x10(%rsp),%xmm5
  movsd  0x8(%rsp),%xmm4
  movsd  %xmm0,(%rsp)
  jmp    L54
```

assistant: ```c
double sinc_approx(int n, double d, double alpha, double beta, double t) {
  int k, M, N;
  double mu = fmin(alpha, beta);
  double h = sqrt(M_PI * d / (mu * n));
  if (alpha <= beta) {
    M = n;
    N = (int)ceil(alpha * n / beta);
  } else {
    M = (int)ceil(beta * n / alpha);
    N = n;
  }
  double x = log(sinh(t));
  double val1 = 0;
  double val2 = 0;
  for (k = -M; k < 0; k++) {
    val1 += ftrans(k * h) * S(k, h, x);
  }
  for (k = N; k >= 0; k--) {
    val2 += ftrans(k * h) * S(k, h, x);
  }
  return val1 + val2;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<sinc_approx>:
  endbr64
  push   %r14
  movapd %xmm1,%xmm5
  movapd %xmm2,%xmm1
  movq   %xmm3,%r14
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  movq   %xmm0,%rbx
  movapd %xmm5,%xmm0
  sub    $0x28,%rsp
  movsd  %xmm2,0x8(%rsp)
  movsd  %xmm5,(%rsp)
  call   <fmin@plt>
  pxor   %xmm4,%xmm4
  mov    D7(%rip),%rax
  movq   %rbx,%xmm3
  cvtsi2sd %ebp,%xmm4
  pxor   %xmm6,%xmm6
  movsd  (%rsp),%xmm5
  movsd  0x8(%rsp),%xmm2
  mulsd  (%rax),%xmm3
  mulsd  %xmm4,%xmm0
  divsd  %xmm0,%xmm3
  ucomisd %xmm3,%xmm6
  ja     L75
  sqrtsd %xmm3,%xmm3
  movsd  %xmm3,(%rsp)
L20:
  comisd %xmm5,%xmm2
  jb     L50
  mulsd  %xmm5,%xmm4
  mov    %ebp,%r12d
  movapd %xmm4,%xmm0
  divsd  %xmm2,%xmm0
  call   <ceil@plt>
  mov    %eax,%ebx
L66:
  movq   %r14,%xmm0
  mov    %r12d,%ebp
  call   <sinh@plt>
  neg    %ebp
  mov    %eax,%edi
  call   <log@plt>
  movq   $0x0,0x8(%rsp)
  movq   %xmm0,%r14
  test   %r12d,%r12d
  jle    L41
  nopl   0x0(%rax)
L69:
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebp,%xmm0
  mulsd  (%rsp),%xmm0
  cvttsd2si %xmm0,%edi
  call   <ftrans@plt>
  movq   %r14,%xmm1
  mov    %ebp,%edi
  movsd  %xmm0,0x10(%rsp)
  movsd  (%rsp),%xmm0
  call   <S@plt>
  mulsd  0x10(%rsp),%xmm0
  addsd  0x8(%rsp),%xmm0
  movsd  %xmm0,0x8(%rsp)
  add    $0x1,%ebp
  jne    L69
L41:
  pxor   %xmm2,%xmm2
  test   %ebx,%ebx
  js     L4
  nopl   0x0(%rax)
L55:
  pxor   %xmm0,%xmm0
  movsd  %xmm2,0x18(%rsp)
  cvtsi2sd %ebx,%xmm0
  mulsd  (%rsp),%xmm0
  cvttsd2si %xmm0,%edi
  call   <ftrans@plt>
  movq   %r14,%xmm1
  mov    %ebx,%edi
  movsd  %xmm0,0x10(%rsp)
  movsd  (%rsp),%xmm0
  call   <S@plt>
  mulsd  0x10(%rsp),%xmm0
  movsd  0x18(%rsp),%xmm2
  addsd  %xmm0,%xmm2
  sub    $0x1,%ebx
  jae    L55
L4:
  movsd  0x8(%rsp),%xmm0
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  addsd  %xmm2,%xmm0
  pop    %r12
  pop    %r14
  ret
  nopl   (%rax)
L50:
  mulsd  %xmm2,%xmm4
  mov    %ebp,%ebx
  divsd  %xmm5,%xmm4
  movapd %xmm4,%xmm0
  call   <ceil@plt>
  mov    %eax,%r12d
  jmp    L66
L75:
  movapd %xmm3,%xmm0
  movsd  %xmm2,0x18(%rsp)
  movsd  %xmm5,0x10(%rsp)
  movsd  %xmm4,0x8(%rsp)
  call   <sqrt@plt>
  movsd  0x18(%rsp),%xmm2
  movsd  0x10(%rsp),%xmm5
  movsd  0x8(%rsp),%xmm4
  movsd  %xmm0,(%rsp)
  jmp    L20
```

assistant: ```c
double sinc_approx(int n, double d, double alpha, double beta, double t) {
  int k, M, N;
  double mu = fmin(alpha, beta);
  double h = sqrt(M_PI * d / (mu * n));
  if (alpha <= beta) {
    M = n;
    N = (int)ceil(alpha * n / beta);
  } else {
    M = (int)ceil(beta * n / alpha);
    N = n;
  }
  double x = log(sinh(t));
  double val1 = 0;
  double val2 = 0;
  for (k = -M; k < 0; k++) {
    val1 += ftrans(k * h) * S(k, h, x);
  }
  for (k = N; k >= 0; k--) {
    val2 += ftrans(k * h) * S(k, h, x);
  }
  return val1 + val2;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<trim_right>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  subq   $0x1,-0x10(%rbp)
  jmp    L3
L12:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isgraph@plt>
  test   %rax,%rax
  je     L11
  addq   $0x1,-0x10(%rbp)
  jmp    L28
L11:
  subq   $0x1,-0x10(%rbp)
L3:
  mov    -0x8(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jbe    L12
L28:
  mov    -0x10(%rbp),%rax
  leave
  ret
```

assistant: ```c
const char *trim_right(const char *start, const char *stop) {
  for (stop--; start <= stop; stop--) {
    if (isgraph(*stop)) {
      ++stop;
      break;
    }
  }
  return stop;
}
```
user: Translate the below assembly code into C programming language:

```asm
<trim_right>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    -0x1(%rsi),%rbx
  cmp    %rdi,%rbx
  jb     L9
  lea    -0x1(%rdi),%rbp
L11:
  movsbl (%rbx),%edi
  call   <isgraph@plt>
  test   %rax,%rax
  jne    L34
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L11
  jmp    L35
L34:
  lea    0x1(%rbx),%rbp
L35:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L9:
  mov    %rbx,%rbp
  jmp    L35
```

assistant: ```c
const char *trim_right(const char *start, const char *stop) {
  for (stop--; start <= stop; stop--) {
    if (isgraph(*stop)) {
      ++stop;
      break;
    }
  }
  return stop;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<trim_right>:
  endbr64
  push   %r12
  push   %rbx
  lea    -0x1(%rsi),%rbx
  sub    $0x8,%rsp
  cmp    %rdi,%rbx
  jb     L41
  lea    -0x1(%rdi),%r12
  jmp    L49
  nopw   0x0(%rax,%rax,1)
L17:
  sub    $0x1,%rbx
  cmp    %r12,%rbx
  je     L32
L49:
  movsbl (%rbx),%edi
  call   <isgraph@plt>
  test   %rax,%rax
  je     L17
  lea    0x1(%rbx),%r12
L32:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
L41:
  mov    %rbx,%r12
  jmp    L32
```

assistant: ```c
const char *trim_right(const char *start, const char *stop) {
  for (stop--; start <= stop; stop--) {
    if (isgraph(*stop)) {
      ++stop;
      break;
    }
  }
  return stop;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<trim_right>:
  endbr64
  push   %r12
  push   %rbx
  lea    -0x1(%rsi),%rbx
  sub    $0x8,%rsp
  cmp    %rdi,%rbx
  jb     L2
  lea    -0x1(%rdi),%r12
  jmp    L17
  nopw   0x0(%rax,%rax,1)
L38:
  sub    $0x1,%rbx
  cmp    %r12,%rbx
  je     L9
L17:
  movsbl (%rbx),%edi
  call   <isgraph@plt>
  test   %rax,%rax
  je     L38
  lea    0x1(%rbx),%r12
L9:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
L2:
  mov    %rbx,%r12
  jmp    L9
```

assistant: ```c
const char *trim_right(const char *start, const char *stop) {
  for (stop--; start <= stop; stop--) {
    if (isgraph(*stop)) {
      ++stop;
      break;
    }
  }
  return stop;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<func>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0xa,-0x28(%rbp)
  lea    -0x28(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x24(%rbp)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
void func() {
  int a = 10;
  int *b = &a;
  int **c = &b;
  int *d = *c;
  int e = *d;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<func>:
  endbr64
  ret
```

assistant: ```c
void func() {
  int a = 10;
  int *b = &a;
  int **c = &b;
  int *d = *c;
  int e = *d;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<func>:
  endbr64
  ret
```

assistant: ```c
void func() {
  int a = 10;
  int *b = &a;
  int **c = &b;
  int *d = *c;
  int e = *d;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<nowarn_alloc_access_anti_range_int>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  cmpl   $0x3,-0x14(%rbp)
  jne    L6
  movl   $0x4,-0x14(%rbp)
L6:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <alloc_int@plt>
  mov    %rax,-0x8(%rbp)
  cmpl   $0x7,-0x18(%rbp)
  jne    L19
  movl   $0x8,-0x18(%rbp)
L19:
  mov    -0x18(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <access_int@plt>
  nop
  leave
  ret
```

assistant: ```c
void nowarn_alloc_access_anti_range_int(int n1, int n2) {
  if (n1 == 3)
    n1 = 4;
  void *p = alloc_int(n1);
  if (n2 == 7)
    n2 = 8;
  access_int(p, n2);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<nowarn_alloc_access_anti_range_int>:
  endbr64
  push   %rbx
  mov    %esi,%ebx
  cmp    $0x3,%edi
  mov    $0x4,%eax
  cmove  %eax,%edi
  call   <alloc_int@plt>
  mov    %rax,%rdi
  cmp    $0x7,%ebx
  mov    $0x8,%eax
  cmove  %eax,%ebx
  mov    %ebx,%esi
  call   <access_int@plt>
  pop    %rbx
  ret
```

assistant: ```c
void nowarn_alloc_access_anti_range_int(int n1, int n2) {
  if (n1 == 3)
    n1 = 4;
  void *p = alloc_int(n1);
  if (n2 == 7)
    n2 = 8;
  access_int(p, n2);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<nowarn_alloc_access_anti_range_int>:
  endbr64
  push   %rbp
  cmp    $0x3,%edi
  mov    $0x4,%eax
  mov    %esi,%ebp
  cmove  %eax,%edi
  call   <alloc_int@plt>
  cmp    $0x7,%ebp
  mov    %rax,%rdi
  mov    $0x8,%eax
  cmove  %eax,%ebp
  mov    %ebp,%esi
  pop    %rbp
  jmp    1060 <access_int@plt>
```

assistant: ```c
void nowarn_alloc_access_anti_range_int(int n1, int n2) {
  if (n1 == 3)
    n1 = 4;
  void *p = alloc_int(n1);
  if (n2 == 7)
    n2 = 8;
  access_int(p, n2);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<nowarn_alloc_access_anti_range_int>:
  endbr64
  push   %rbp
  cmp    $0x3,%edi
  mov    $0x4,%eax
  mov    %esi,%ebp
  cmove  %eax,%edi
  call   <alloc_int@plt>
  cmp    $0x7,%ebp
  mov    %rax,%rdi
  mov    $0x8,%eax
  cmove  %eax,%ebp
  mov    %ebp,%esi
  pop    %rbp
  jmp    1060 <access_int@plt>
```

assistant: ```c
void nowarn_alloc_access_anti_range_int(int n1, int n2) {
  if (n1 == 3)
    n1 = 4;
  void *p = alloc_int(n1);
  if (n2 == 7)
    n2 = 8;
  access_int(p, n2);
}
```
user: What is the c source code of the assembly code below?

```asm
<strmerge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    %eax,%ebx
  jge    L46
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x14(%rbp)
  jmp    L66
L43:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
  addl   $0x1,-0x14(%rbp)
L66:
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    %eax,-0x14(%rbp)
  jl     L43
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  jmp    L46
L23:
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L5
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    %dl,(%rax)
L5:
  addq   $0x1,-0x28(%rbp)
  addq   $0x1,-0x30(%rbp)
L46:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L30
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L23
L30:
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void strmerge(char *d, const char *s) {
  int i;
  if (strlen(d) < strlen(s)) {
    for (i = strlen(d); i < strlen(s); i++)
      d[i] = ' ';
    d[i] = 0;
  }
  for (; *d && *s; d++, s++)
    if (*s != ' ')
      *d = *s;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strmerge>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <strlen@plt>
  mov    %eax,%r12d
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    %eax,%r12d
  jl     L67
L14:
  cmpb   $0x0,(%rbx)
  jne    L35
L6:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L67:
  mov    %rbx,%rdi
  call   <strlen@plt>
  movslq %eax,%r12
  jmp    L28
L24:
  movb   $0x20,(%rbx,%r12,1)
  add    $0x1,%r12
L28:
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    %r12d,%eax
  jg     L24
  movslq %r12d,%r13
  movb   $0x0,(%rbx,%r13,1)
  jmp    L14
L43:
  add    $0x1,%rbx
  add    $0x1,%rbp
  cmpb   $0x0,(%rbx)
  je     L6
L35:
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L6
  cmp    $0x20,%al
  je     L43
  mov    %al,(%rbx)
  jmp    L43
```

assistant: ```c
void strmerge(char *d, const char *s) {
  int i;
  if (strlen(d) < strlen(s)) {
    for (i = strlen(d); i < strlen(s); i++)
      d[i] = ' ';
    d[i] = 0;
  }
  for (; *d && *s; d++, s++)
    if (*s != ' ')
      *d = *s;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<strmerge>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <strlen@plt>
  cmp    %eax,%r12d
  jge    L14
  jmp    L3
  nopl   0x0(%rax,%rax,1)
L63:
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L11
  cmp    $0x20,%al
  je     L9
  mov    %al,(%rbx)
L9:
  add    $0x1,%rbx
  add    $0x1,%rbp
L14:
  cmpb   $0x0,(%rbx)
  jne    L63
L11:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L3:
  mov    %rbx,%rdi
  call   <strlen@plt>
  movslq %eax,%r12
  mov    %r12,%r13
  add    %rbx,%r12
  sub    %r12d,%r13d
  jmp    L71
  cs nopw 0x0(%rax,%rax,1)
L42:
  movb   $0x20,(%r12)
  add    $0x1,%r12
L71:
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x0(%r13,%r12,1),%edx
  cmp    %eax,%edx
  jl     L42
  movb   $0x0,(%r12)
  jmp    L14
```

assistant: ```c
void strmerge(char *d, const char *s) {
  int i;
  if (strlen(d) < strlen(s)) {
    for (i = strlen(d); i < strlen(s); i++)
      d[i] = ' ';
    d[i] = 0;
  }
  for (; *d && *s; d++, s++)
    if (*s != ' ')
      *d = *s;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<strmerge>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <strlen@plt>
  cmp    %eax,%r12d
  jl     L53
  nopl   0x0(%rax)
L72:
  cmpb   $0x0,(%rbx)
  je     L81
L65:
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L81
  cmp    $0x20,%al
  je     L49
  mov    %al,(%rbx)
  add    $0x1,%rbx
  add    $0x1,%rbp
  cmpb   $0x0,(%rbx)
  jne    L65
L81:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L49:
  add    $0x1,%rbx
  add    $0x1,%rbp
  jmp    L72
  nopw   0x0(%rax,%rax,1)
L53:
  mov    %rbx,%rdi
  call   <strlen@plt>
  movslq %eax,%r12
  mov    %r12,%r13
  add    %rbx,%r12
  sub    %r12d,%r13d
  jmp    L80
  cs nopw 0x0(%rax,%rax,1)
L33:
  movb   $0x20,(%r12)
  add    $0x1,%r12
L80:
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x0(%r13,%r12,1),%edx
  cmp    %edx,%eax
  jg     L33
  movb   $0x0,(%r12)
  jmp    L72
```

assistant: ```c
void strmerge(char *d, const char *s) {
  int i;
  if (strlen(d) < strlen(s)) {
    for (i = strlen(d); i < strlen(s); i++)
      d[i] = ' ';
    d[i] = 0;
  }
  for (; *d && *s; d++, s++)
    if (*s != ' ')
      *d = *s;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<buf_strappend>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <buf_strnappend@plt>
  cltq
  leave
  ret
```

assistant: ```c
struct Buf *buf_strappend(buf, str)
struct Buf *buf;
const char *str;
{ return buf_strnappend(buf, str, strlen(str)); }
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<buf_strappend>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %rsi,%rdi
  call   <strlen@plt>
  mov    %rax,%rdx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <buf_strnappend@plt>
  cltq
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
struct Buf *buf_strappend(buf, str)
struct Buf *buf;
const char *str;
{ return buf_strnappend(buf, str, strlen(str)); }
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<buf_strappend>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  mov    %rsi,%rdi
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    %rax,%rdx
  xor    %eax,%eax
  call   <buf_strnappend@plt>
  add    $0x8,%rsp
  cltq
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
struct Buf *buf_strappend(buf, str)
struct Buf *buf;
const char *str;
{ return buf_strnappend(buf, str, strlen(str)); }
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<buf_strappend>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  mov    %rsi,%rdi
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    %rax,%rdx
  xor    %eax,%eax
  call   <buf_strnappend@plt>
  add    $0x8,%rsp
  cltq
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
struct Buf *buf_strappend(buf, str)
struct Buf *buf;
const char *str;
{ return buf_strnappend(buf, str, strlen(str)); }
```
user: What would the C source look like for the assembly code provided here:

```asm
<npc_event_timer>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    %ecx,-0x20(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edi
  call   <map_id2sd@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L4
  mov    $0x0,%eax
  jmp    L17
L4:
  mov    -0x20(%rbp),%eax
  cltq
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <npc_event@plt>
  mov    -0x20(%rbp),%eax
  cltq
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
L17:
  leave
  ret
```

assistant: ```c
int npc_event_timer(int tid, unsigned int tick, int id, int data) {
  struct map_session_data *sd = map_id2sd(id);
  if (sd == NULL)
    return 0;
  npc_event(sd, (const char *)data);
  free((void *)data);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<npc_event_timer>:
  endbr64
  push   %rbx
  mov    %edx,%edi
  mov    %ecx,%ebx
  call   <map_id2sd@plt>
  test   %rax,%rax
  je     L9
  mov    %rax,%rdi
  movslq %ebx,%rbx
  mov    %rbx,%rsi
  call   <npc_event@plt>
  mov    %rbx,%rdi
  call   <free@plt>
L9:
  mov    $0x0,%eax
  pop    %rbx
  ret
```

assistant: ```c
int npc_event_timer(int tid, unsigned int tick, int id, int data) {
  struct map_session_data *sd = map_id2sd(id);
  if (sd == NULL)
    return 0;
  npc_event(sd, (const char *)data);
  free((void *)data);
  return 0;
}
```