ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<delay>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x0,-0x8(%rbp)
  jmp    L29
L8:
  movl   $0x0,-0x4(%rbp)
  jmp    L11
L38:
  mov    -0x4(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rbp)
L11:
  mov    -0x4(%rbp),%eax
  cmp    $0x3e7,%eax
  jle    L38
  mov    -0x8(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x8(%rbp)
L29:
  mov    -0x8(%rbp),%eax
  cmp    $0x63,%eax
  jle    L8
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void delay(void) {
  volatile int i, j;
  for (i = 0; i < 100; i++)
    for (j = 0; j < 1000; j++)
      ;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<delay>:
  endbr64
  movl   $0x0,-0x8(%rsp)
  mov    -0x8(%rsp),%eax
  cmp    $0x63,%eax
  jg     L26
L14:
  movl   $0x0,-0x4(%rsp)
  mov    -0x4(%rsp),%eax
  cmp    $0x3e7,%eax
  jg     L5
L20:
  mov    -0x4(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rsp)
  mov    -0x4(%rsp),%eax
  cmp    $0x3e7,%eax
  jle    L20
L5:
  mov    -0x8(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,-0x8(%rsp)
  mov    -0x8(%rsp),%eax
  cmp    $0x63,%eax
  jle    L14
L26:
  ret
```

assistant: ```c
void delay(void) {
  volatile int i, j;
  for (i = 0; i < 100; i++)
    for (j = 0; j < 1000; j++)
      ;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<delay>:
  endbr64
  movl   $0x0,-0x8(%rsp)
  mov    -0x8(%rsp),%eax
  cmp    $0x63,%eax
  jg     L4
  nopl   (%rax)
L29:
  movl   $0x0,-0x4(%rsp)
  mov    -0x4(%rsp),%eax
  cmp    $0x3e7,%eax
  jg     L26
  nopl   0x0(%rax,%rax,1)
L39:
  mov    -0x4(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rsp)
  mov    -0x4(%rsp),%eax
  cmp    $0x3e7,%eax
  jle    L39
L26:
  mov    -0x8(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,-0x8(%rsp)
  mov    -0x8(%rsp),%eax
  cmp    $0x63,%eax
  jle    L29
L4:
  ret
```

assistant: ```c
void delay(void) {
  volatile int i, j;
  for (i = 0; i < 100; i++)
    for (j = 0; j < 1000; j++)
      ;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<delay>:
  endbr64
  movl   $0x0,-0x8(%rsp)
  mov    -0x8(%rsp),%eax
  cmp    $0x63,%eax
  jg     L26
  nopl   (%rax)
L1:
  movl   $0x0,-0x4(%rsp)
  mov    -0x4(%rsp),%eax
  cmp    $0x3e7,%eax
  jg     L8
  nopl   0x0(%rax,%rax,1)
L19:
  mov    -0x4(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rsp)
  mov    -0x4(%rsp),%eax
  cmp    $0x3e7,%eax
  jle    L19
L8:
  mov    -0x8(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,-0x8(%rsp)
  mov    -0x8(%rsp),%eax
  cmp    $0x63,%eax
  jle    L1
L26:
  ret
```

assistant: ```c
void delay(void) {
  volatile int i, j;
  for (i = 0; i < 100; i++)
    for (j = 0; j < 1000; j++)
      ;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x1,-0xc(%rbp)
  movl   $0x1,-0x8(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  int a = 1;
  int b = 1;
  int c = a + b;
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  mov    $0x0,%eax
  ret
```

assistant: ```c
int main(void) {
  int a = 1;
  int b = 1;
  int c = a + b;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main(void) {
  int a = 1;
  int b = 1;
  int c = a + b;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main(void) {
  int a = 1;
  int b = 1;
  int c = a + b;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<vecran>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x30(%rbp),%eax
  sub    -0x2c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L13
L7:
  mov    -0x18(%rbp),%rbx
  lea    0x8(%rbx),%rax
  mov    %rax,-0x18(%rbp)
  call   <drandom@plt>
  movq   %xmm0,%rax
  mov    %rax,(%rbx)
  subl   $0x1,-0x1c(%rbp)
L13:
  cmpl   $0x0,-0x1c(%rbp)
  jne    L7
  mov    -0x30(%rbp),%edx
  mov    -0x2c(%rbp),%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <ch_normalize@plt>
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void vecran(double *vec, int beg, int end) {
  int i;
  double *pntr;
  double ch_normalize(double *vec, int beg, int end);
  double drandom(void);
  pntr = vec + beg;
  for (i = end - beg + 1; i; i--) {
    (*pntr++) = drandom();
  }
  ch_normalize(vec, beg, end);
}
```
user: What is the c source code of the assembly code below?

```asm
<vecran>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r13
  mov    %esi,%r12d
  mov    %edx,%r14d
  movslq %esi,%rax
  lea    (%rdi,%rax,8),%rbx
  mov    %edx,%eax
  sub    %esi,%eax
  cmp    $0xffffffff,%eax
  je     L17
  lea    0x1(%rax),%eax
  lea    (%rbx,%rax,8),%rbp
L7:
  add    $0x8,%rbx
  call   <drandom@plt>
  movsd  %xmm0,-0x8(%rbx)
  cmp    %rbp,%rbx
  jne    L7
L17:
  mov    %r14d,%edx
  mov    %r12d,%esi
  mov    %r13,%rdi
  call   <ch_normalize@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
void vecran(double *vec, int beg, int end) {
  int i;
  double *pntr;
  double ch_normalize(double *vec, int beg, int end);
  double drandom(void);
  pntr = vec + beg;
  for (i = end - beg + 1; i; i--) {
    (*pntr++) = drandom();
  }
  ch_normalize(vec, beg, end);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<vecran>:
  endbr64
  movslq %esi,%rax
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %rax,%r12
  push   %rbp
  push   %rbx
  lea    (%rdi,%rax,8),%rbx
  mov    %edx,%eax
  sub    %r12d,%eax
  cmp    $0xffffffff,%eax
  je     L13
  add    $0x1,%eax
  lea    (%rbx,%rax,8),%rbp
  nopl   (%rax)
L3:
  call   <drandom@plt>
  add    $0x8,%rbx
  movsd  %xmm0,-0x8(%rbx)
  cmp    %rbp,%rbx
  jne    L3
L13:
  pop    %rbx
  mov    %r14d,%edx
  pop    %rbp
  mov    %r12d,%esi
  mov    %r13,%rdi
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1060 <ch_normalize@plt>
```

assistant: ```c
void vecran(double *vec, int beg, int end) {
  int i;
  double *pntr;
  double ch_normalize(double *vec, int beg, int end);
  double drandom(void);
  pntr = vec + beg;
  for (i = end - beg + 1; i; i--) {
    (*pntr++) = drandom();
  }
  ch_normalize(vec, beg, end);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<vecran>:
  endbr64
  movslq %esi,%rax
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %rax,%r12
  push   %rbp
  push   %rbx
  lea    (%rdi,%rax,8),%rbx
  mov    %edx,%eax
  sub    %r12d,%eax
  cmp    $0xffffffff,%eax
  je     L14
  add    $0x1,%eax
  lea    (%rbx,%rax,8),%rbp
  nopl   (%rax)
L19:
  call   <drandom@plt>
  add    $0x8,%rbx
  movsd  %xmm0,-0x8(%rbx)
  cmp    %rbp,%rbx
  jne    L19
L14:
  pop    %rbx
  mov    %r14d,%edx
  pop    %rbp
  mov    %r12d,%esi
  mov    %r13,%rdi
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1060 <ch_normalize@plt>
```

assistant: ```c
void vecran(double *vec, int beg, int end) {
  int i;
  double *pntr;
  double ch_normalize(double *vec, int beg, int end);
  double drandom(void);
  pntr = vec + beg;
  for (i = end - beg + 1; i; i--) {
    (*pntr++) = drandom();
  }
  ch_normalize(vec, beg, end);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<dk>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
void *dk(void *q, unsigned long s) {
  void *dh = realloc(q, s);
  return dh;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<dk>:
  endbr64
  sub    $0x8,%rsp
  call   <realloc@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void *dk(void *q, unsigned long s) {
  void *dh = realloc(q, s);
  return dh;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<dk>:
  endbr64
  jmp    1050 <realloc@plt>
```

assistant: ```c
void *dk(void *q, unsigned long s) {
  void *dh = realloc(q, s);
  return dh;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<dk>:
  endbr64
  jmp    1050 <realloc@plt>
```

assistant: ```c
void *dk(void *q, unsigned long s) {
  void *dh = realloc(q, s);
  return dh;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<hash4>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %esi,%ebp
  call   <strlen@plt>
  lea    0x7(%rax),%rdx
  shr    $0x3,%rdx
  and    $0x7,%eax
  lea    D9(%rip),%rcx
  movslq (%rcx,%rax,4),%rax
  add    %rcx,%rax
  notrack jmp *%rax
  mov    $0x0,%eax
L3:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  movsbl (%rbx),%eax
  add    %ecx,%eax
  lea    0x1(%rbx),%rbx
  jmp    L70
  mov    $0x0,%eax
L70:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  movsbl (%rbx),%eax
  add    %ecx,%eax
  lea    0x1(%rbx),%rbx
L63:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  lea    0x1(%rbx),%rsi
  movsbl (%rbx),%eax
  add    %ecx,%eax
L19:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  lea    0x1(%rsi),%rbx
  movsbl (%rsi),%eax
  add    %ecx,%eax
L17:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  lea    0x1(%rbx),%rsi
  movsbl (%rbx),%eax
  add    %ecx,%eax
L33:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  lea    0x1(%rsi),%rbx
  movsbl (%rsi),%eax
  add    %ecx,%eax
L78:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  lea    0x1(%rbx),%rsi
  movsbl (%rbx),%eax
  add    %ecx,%eax
L47:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %eax,%ecx
  movsbl (%rsi),%eax
  add    %ecx,%eax
  sub    $0x1,%rdx
  lea    0x1(%rsi),%rbx
  jne    L3
  mov    $0x0,%edx
  div    %ebp
  mov    %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  mov    $0x0,%eax
  jmp    L63
  mov    %rbx,%rsi
  mov    $0x0,%eax
  jmp    L19
  mov    $0x0,%eax
  jmp    L17
  mov    %rbx,%rsi
  mov    $0x0,%eax
  jmp    L33
  mov    $0x0,%eax
  jmp    L78
  mov    %rbx,%rsi
  mov    $0x0,%eax
  jmp    L47
```

assistant: ```c
unsigned int hash4(const void *data, unsigned int size) {
  const char *key = data;
  size_t loop;
  unsigned int h;
  size_t len;
  h = 0;
  len = strlen(key);
  loop = (len + 8 - 1) >> 3;
  switch (len & (8 - 1)) {
  case 0:
    do {
      h = (h << 5) + h + *key++;
      ;
    case 7:
      h = (h << 5) + h + *key++;
      ;
    case 6:
      h = (h << 5) + h + *key++;
      ;
    case 5:
      h = (h << 5) + h + *key++;
      ;
    case 4:
      h = (h << 5) + h + *key++;
      ;
    case 3:
      h = (h << 5) + h + *key++;
      ;
    case 2:
      h = (h << 5) + h + *key++;
      ;
    case 1:
      h = (h << 5) + h + *key++;
      ;
    } while (--loop);
  }
  return h % size;
}
```
user: Translate the below assembly code into C programming language:

```asm
<calculate_uv>:
  endbr64
  push   %r14
  push   %r12
  push   %rbp
  push   %rbx
  movapd %xmm0,%xmm5
  mov    %rcx,%r11
  mov    0x28(%rsp),%rbp
  cmp    $0x1,%edi
  jle    L118
  mov    %rdx,%rbx
  lea    0x8(%r8),%r10
  lea    0x8(%rbp),%rdx
  add    $0x8,%rbx
  lea    -0x2(%rdi),%eax
  lea    0x10(%r8,%rax,8),%r12
  lea    -0x1(%rsi),%eax
  lea    0x10(,%rax,8),%r8
  jmp    L24
L9:
  movapd %xmm5,%xmm4
  divsd  %xmm1,%xmm4
  mov    $0x8,%eax
L84:
  mov    (%rbx),%rcx
  mov    0x8(%rdx),%r14
  movsd  (%r14,%rax,1),%xmm0
  mov    (%rdx),%r14
  subsd  (%r14,%rax,1),%xmm0
  mulsd  %xmm4,%xmm0
  mov    (%r10),%r14
  movsd  (%r14,%rax,1),%xmm3
  subsd  %xmm0,%xmm3
  movsd  %xmm3,(%rcx,%rax,1)
  add    $0x8,%rax
  cmp    %r8,%rax
  jne    L84
L113:
  add    $0x8,%r10
  add    $0x8,%rdx
  add    $0x8,%rbx
  cmp    %r12,%r10
  je     L75
L24:
  test   %esi,%esi
  jg     L9
  jmp    L113
L118:
  je     L75
L65:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r14
  ret
L34:
  movapd %xmm5,%xmm3
  divsd  %xmm2,%xmm3
  mov    $0x8,%eax
L47:
  mov    (%r9),%rdx
  movsd  (%rdx,%rax,1),%xmm1
  mov    0x0(%rbp),%rcx
  mov    %rax,%rdx
  add    $0x8,%rax
  mov    (%r11),%r8
  movsd  (%rcx,%rax,1),%xmm0
  subsd  (%rcx,%rdx,1),%xmm0
  mulsd  %xmm3,%xmm0
  subsd  %xmm0,%xmm1
  movsd  %xmm1,(%r8,%rdx,1)
  cmp    %rax,%r10
  jne    L47
L86:
  add    $0x1,%ebx
  add    $0x8,%r9
  add    $0x8,%rbp
  add    $0x8,%r11
  cmp    %ebx,%edi
  jl     L65
L19:
  cmp    $0x1,%esi
  jg     L34
  jmp    L86
L75:
  add    $0x8,%r9
  add    $0x8,%rbp
  add    $0x8,%r11
  lea    -0x2(%rsi),%eax
  lea    0x10(,%rax,8),%r10
  mov    $0x1,%ebx
  jmp    L19
```

assistant: ```c
void calculate_uv(double dt, double dx, double dy, int imax, int jmax, double **U, double **V, double **F, double **G, double **P) {
  int i, j;
  for (i = 1; i < imax; i++) {
    for (j = 1; j < jmax + 1; j++) {
      U[i][j] = F[i][j] - dt / dx * (P[i + 1][j] - P[i][j]);
    }
  }
  for (i = 1; i < imax + 1; i++) {
    for (j = 1; j < jmax; j++) {
      V[i][j] = G[i][j] - dt / dy * (P[i][j + 1] - P[i][j]);
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<calculate_uv>:
  endbr64
  push   %r15
  movapd %xmm0,%xmm5
  push   %r14
  mov    %r8,%r14
  push   %r13
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  mov    0x38(%rsp),%r8
  cmp    $0x1,%edi
  jle    L4
  mov    %rdx,%r13
  movslq %edi,%r15
  lea    0x1(%rsi),%r10d
  mov    $0x1,%r11d
  nopw   0x0(%rax,%rax,1)
L15:
  test   %ebp,%ebp
  jle    L17
  movapd %xmm5,%xmm4
  mov    (%r14,%r11,8),%rdi
  mov    0x8(%r8,%r11,8),%rsi
  mov    $0x1,%eax
  divsd  %xmm1,%xmm4
  mov    (%r8,%r11,8),%rcx
  mov    0x0(%r13,%r11,8),%rdx
  nopl   0x0(%rax,%rax,1)
L65:
  movsd  (%rsi,%rax,8),%xmm0
  subsd  (%rcx,%rax,8),%xmm0
  movsd  (%rdi,%rax,8),%xmm3
  mulsd  %xmm4,%xmm0
  subsd  %xmm0,%xmm3
  movsd  %xmm3,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %rax,%r10
  jne    L65
L17:
  add    $0x1,%r11
  cmp    %r11,%r15
  jne    L15
L20:
  mov    $0x1,%r10d
  movslq %ebp,%rdi
  nop
L33:
  cmp    $0x1,%ebp
  jle    L26
  movapd %xmm5,%xmm3
  mov    (%r9,%r10,8),%rsi
  mov    (%r8,%r10,8),%rdx
  mov    $0x1,%eax
  mov    (%r12,%r10,8),%rcx
  divsd  %xmm2,%xmm3
  xchg   %ax,%ax
L21:
  movsd  0x8(%rdx,%rax,8),%xmm0
  subsd  (%rdx,%rax,8),%xmm0
  movsd  (%rsi,%rax,8),%xmm1
  mulsd  %xmm3,%xmm0
  subsd  %xmm0,%xmm1
  movsd  %xmm1,(%rcx,%rax,8)
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L21
L26:
  add    $0x1,%r10
  cmp    %r10d,%ebx
  jge    L33
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L4:
  je     L20
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void calculate_uv(double dt, double dx, double dy, int imax, int jmax, double **U, double **V, double **F, double **G, double **P) {
  int i, j;
  for (i = 1; i < imax; i++) {
    for (j = 1; j < jmax + 1; j++) {
      U[i][j] = F[i][j] - dt / dx * (P[i + 1][j] - P[i][j]);
    }
  }
  for (i = 1; i < imax + 1; i++) {
    for (j = 1; j < jmax; j++) {
      V[i][j] = G[i][j] - dt / dy * (P[i][j + 1] - P[i][j]);
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<checkarg>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpl   $0x1,-0x14(%rbp)
  je     L29
  cmpl   $0x2,-0x14(%rbp)
  jle    L0
L29:
  movl   $0x1,-0x4(%rbp)
  jmp    L23
L0:
  movl   $0x0,-0x4(%rbp)
L23:
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int checkarg(int argc, char **argv) {
  int rc = 0;
  if (argc == 1 || argc >= 3) {
    rc = 1;
  } else
    rc = 0;
  return rc;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<checkarg>:
  endbr64
  cmp    $0x1,%edi
  sete   %al
  cmp    $0x2,%edi
  setg   %dl
  or     %edx,%eax
  movzbl %al,%eax
  ret
```

assistant: ```c
int checkarg(int argc, char **argv) {
  int rc = 0;
  if (argc == 1 || argc >= 3) {
    rc = 1;
  } else
    rc = 0;
  return rc;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<checkarg>:
  endbr64
  cmp    $0x1,%edi
  sete   %al
  cmp    $0x2,%edi
  setg   %dl
  or     %edx,%eax
  movzbl %al,%eax
  ret
```

assistant: ```c
int checkarg(int argc, char **argv) {
  int rc = 0;
  if (argc == 1 || argc >= 3) {
    rc = 1;
  } else
    rc = 0;
  return rc;
}
```
user: What is the c source code of the assembly code below?

```asm
<checkarg>:
  endbr64
  cmp    $0x1,%edi
  sete   %al
  cmp    $0x2,%edi
  setg   %dl
  or     %edx,%eax
  movzbl %al,%eax
  ret
```

assistant: ```c
int checkarg(int argc, char **argv) {
  int rc = 0;
  if (argc == 1 || argc >= 3) {
    rc = 1;
  } else
    rc = 0;
  return rc;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<bsearch>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    %ecx,-0x24(%rbp)
  mov    -0x1c(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  jge    L6
  mov    -0x20(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x24(%rbp)
  jge    L28
  mov    -0x4(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    -0x24(%rbp),%edx
  mov    -0x1c(%rbp),%esi
  mov    -0x18(%rbp),%rax
  mov    %edx,%ecx
  mov    %edi,%edx
  mov    %rax,%rdi
  call   <bsearch>
  jmp    L6
L28:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x24(%rbp)
  jle    L2
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%esi
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <bsearch>
  jmp    L6
L2:
  mov    -0x4(%rbp),%eax
  jmp    L6
L6:
  leave
  ret
```

assistant: ```c
int bsearch(int a[], int low, int high, int t) {
  int middle;
  if (low < high) {
    middle = (high + low) / 2;
    if (t < a[middle])
      bsearch(a, low, middle - 1, t);
    else if (t > a[middle])
      bsearch(a, middle + 1, high, t);
    else
      return middle;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<bsearch>:
  endbr64
  cmp    %edx,%esi
  jge    L42
  sub    $0x8,%rsp
  lea    (%rsi,%rdx,1),%r8d
  mov    %r8d,%eax
  shr    $0x1f,%eax
  add    %r8d,%eax
  sar    %eax
  mov    %eax,%r8d
  movslq %eax,%r9
  mov    (%rdi,%r9,4),%r9d
  cmp    %ecx,%r9d
  jg     L15
  jl     L45
L37:
  mov    %r8d,%eax
  add    $0x8,%rsp
  ret
L15:
  lea    -0x1(%rax),%edx
  call   <bsearch>
  jmp    L37
L45:
  lea    0x1(%rax),%esi
  call   <bsearch>
  jmp    L37
L42:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int bsearch(int a[], int low, int high, int t) {
  int middle;
  if (low < high) {
    middle = (high + low) / 2;
    if (t < a[middle])
      bsearch(a, low, middle - 1, t);
    else if (t > a[middle])
      bsearch(a, middle + 1, high, t);
    else
      return middle;
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<bsearch>:
  endbr64
  mov    %rdi,%r8
  cmp    %edx,%esi
  jl     L47
  jmp    L56
  nopl   (%rax)
L12:
  lea    -0x1(%rax),%edx
  cmp    %esi,%edx
  jle    L56
L47:
  lea    (%rdx,%rsi,1),%edi
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  movslq %eax,%rdi
  mov    %eax,%r9d
  cmp    %ecx,(%r8,%rdi,4)
  jg     L12
  jge    L56
  lea    0x1(%rax),%esi
  cmp    %esi,%edx
  jg     L47
L56:
  mov    %r9d,%eax
  ret
```

assistant: ```c
int bsearch(int a[], int low, int high, int t) {
  int middle;
  if (low < high) {
    middle = (high + low) / 2;
    if (t < a[middle])
      bsearch(a, low, middle - 1, t);
    else if (t > a[middle])
      bsearch(a, middle + 1, high, t);
    else
      return middle;
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<bsearch>:
  endbr64
  mov    %rdi,%r8
  cmp    %edx,%esi
  jl     L52
  jmp    L20
  nopl   (%rax)
L8:
  lea    -0x1(%rax),%edx
  cmp    %esi,%edx
  jle    L20
L52:
  lea    (%rdx,%rsi,1),%edi
  mov    %edi,%eax
  shr    $0x1f,%eax
  add    %edi,%eax
  sar    %eax
  movslq %eax,%rdi
  mov    %eax,%r9d
  cmp    %ecx,(%r8,%rdi,4)
  jg     L8
  jge    L20
  lea    0x1(%rax),%esi
  cmp    %esi,%edx
  jg     L52
L20:
  mov    %r9d,%eax
  ret
```

assistant: ```c
int bsearch(int a[], int low, int high, int t) {
  int middle;
  if (low < high) {
    middle = (high + low) / 2;
    if (t < a[middle])
      bsearch(a, low, middle - 1, t);
    else if (t > a[middle])
      bsearch(a, middle + 1, high, t);
    else
      return middle;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<nma_url_encode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L5
L53:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %rax,%rax
  jne    L20
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L20
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5f,%al
  je     L20
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L20
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x7e,%al
  jne    L1
L20:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  jmp    L46
L1:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movb   $0x25,(%rax)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  sar    $0x4,%al
  movsbl %al,%eax
  mov    %eax,%edi
  call   <nma_int_to_hex@plt>
  mov    %rax,%rcx
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xf,%eax
  mov    %eax,%edi
  call   <nma_int_to_hex@plt>
  mov    %rax,%rcx
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    %ecx,%edx
  mov    %dl,(%rax)
L46:
  addq   $0x1,-0x18(%rbp)
L5:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L53
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *nma_url_encode(char *str) {
  char *pstr = str;
  char *buf = (char *)malloc(strlen(str) * 3 + 1);
  char *pbuf = buf;
  while (*pstr) {
    if (isalnum(*pstr) || *pstr == '-' || *pstr == '_' || *pstr == '.' || *pstr == '~') {
      *pbuf++ = *pstr;
    } else {
      *pbuf++ = '%';
      *pbuf++ = nma_int_to_hex(*pstr >> 4);
      *pbuf++ = nma_int_to_hex(*pstr & 15);
    }
    pstr++;
  }
  *pbuf = '\0';
  return buf;
}
```