ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<unprepstrlist>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%eax
  mov    %al,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xff,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl -0x1c(%rbp),%edx
  mov    %dl,(%rax)
  jmp    L28
L2:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L13
  mov    -0x8(%rbp),%rax
  movzbl -0x1c(%rbp),%edx
  mov    %dl,(%rax)
  subl   $0x1,-0xc(%rbp)
L13:
  addq   $0x1,-0x8(%rbp)
L28:
  cmpl   $0x1,-0xc(%rbp)
  jg     L2
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *unprepstrlist(char *list, char delimc) {
  char *p;
  int cnt;
  cnt = *list & 0xFF;
  p = list;
  for (*p++ = delimc; cnt > 1; p++)
    if (*p == '\0') {
      *p = delimc;
      cnt--;
    }
  return list;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<unprepstrlist>:
  endbr64
  mov    %rdi,%rax
  mov    %esi,%edi
  movsbl (%rax),%r8d
  movzbl %r8b,%ecx
  lea    0x1(%rax),%rdx
  mov    %sil,(%rax)
  test   $0xfe,%r8b
  jne    L4
L32:
  ret
L30:
  add    $0x1,%rdx
  cmp    $0x1,%ecx
  jle    L32
L4:
  cmpb   $0x0,(%rdx)
  jne    L30
  mov    %dil,(%rdx)
  sub    $0x1,%ecx
  jmp    L30
```

assistant: ```c
char *unprepstrlist(char *list, char delimc) {
  char *p;
  int cnt;
  cnt = *list & 0xFF;
  p = list;
  for (*p++ = delimc; cnt > 1; p++)
    if (*p == '\0') {
      *p = delimc;
      cnt--;
    }
  return list;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<unprepstrlist>:
  endbr64
  mov    %rdi,%rax
  mov    %esi,%edi
  movsbl (%rax),%r8d
  lea    0x1(%rax),%rdx
  mov    %sil,(%rax)
  movzbl %r8b,%ecx
  and    $0xfe,%r8d
  je     L20
  nopl   0x0(%rax)
L22:
  cmpb   $0x0,(%rdx)
  jne    L13
  mov    %dil,(%rdx)
  sub    $0x1,%ecx
L13:
  add    $0x1,%rdx
  cmp    $0x1,%ecx
  jne    L22
L20:
  ret
```

assistant: ```c
char *unprepstrlist(char *list, char delimc) {
  char *p;
  int cnt;
  cnt = *list & 0xFF;
  p = list;
  for (*p++ = delimc; cnt > 1; p++)
    if (*p == '\0') {
      *p = delimc;
      cnt--;
    }
  return list;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<unprepstrlist>:
  endbr64
  mov    %rdi,%rax
  mov    %esi,%edi
  movsbl (%rax),%r8d
  lea    0x1(%rax),%rdx
  mov    %sil,(%rax)
  movzbl %r8b,%ecx
  and    $0xfe,%r8d
  je     L23
  nopl   0x0(%rax)
L11:
  cmpb   $0x0,(%rdx)
  jne    L8
  sub    $0x1,%ecx
  mov    %dil,(%rdx)
  add    $0x1,%rdx
  cmp    $0x1,%ecx
  jne    L11
  ret
  nopl   (%rax)
L8:
  add    $0x1,%rdx
  cmp    $0x1,%ecx
  jg     L11
L23:
  ret
```

assistant: ```c
char *unprepstrlist(char *list, char delimc) {
  char *p;
  int cnt;
  cnt = *list & 0xFF;
  p = list;
  for (*p++ = delimc; cnt > 1; p++)
    if (*p == '\0') {
      *p = delimc;
      cnt--;
    }
  return list;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<sort_index_vector_selection_max>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %eax,-0x18(%rbp)
  jmp    L32
L18:
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%eax
  mov    %eax,(%rdx)
  addl   $0x1,-0x18(%rbp)
L32:
  mov    -0x18(%rbp),%eax
  cltq
  cmp    %rax,-0x38(%rbp)
  jge    L18
  mov    -0x30(%rbp),%rax
  mov    %eax,-0x18(%rbp)
  jmp    L51
L3:
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0xc(%rbp)
  mov    -0x18(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x18(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x14(%rbp)
  jmp    L16
L26:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x4(%rbp)
  movss  -0x4(%rbp),%xmm0
  comiss -0xc(%rbp),%xmm0
  jbe    L33
  movss  -0x4(%rbp),%xmm0
  movss  %xmm0,-0xc(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,-0x10(%rbp)
L33:
  addl   $0x1,-0x14(%rbp)
L16:
  mov    -0x14(%rbp),%eax
  cltq
  cmp    %rax,-0x38(%rbp)
  jge    L26
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movss  -0xc(%rbp),%xmm0
  movss  %xmm0,(%rax)
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    -0x18(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x40(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x40(%rbp),%rax
  add    %rax,%rdx
  mov    -0x8(%rbp),%eax
  mov    %eax,(%rdx)
  addl   $0x1,-0x18(%rbp)
L51:
  mov    -0x18(%rbp),%eax
  cltq
  cmp    %rax,-0x38(%rbp)
  jg     L3
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void sort_index_vector_selection_max(float *key, long nl, long nh, int *index) {
  int i, j, pos, tmp;
  float x, max;
  for (i = nl; i <= nh; i++) {
    index[i] = i;
  }
  for (i = nl; i < nh; i++) {
    max = key[i];
    pos = i;
    for (j = i + 1; j <= nh; j++) {
      x = key[j];
      if (x > max) {
        max = x;
        pos = j;
      }
    }
    key[pos] = key[i];
    key[i] = max;
    tmp = index[i];
    index[i] = index[pos];
    index[pos] = tmp;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<sort_index_vector_selection_max>:
  endbr64
  mov    %rdi,%r8
  mov    %rdx,%rdi
  mov    %rcx,%r9
  movslq %esi,%rcx
  cmp    %rcx,%rdx
  jl     L12
  mov    %rcx,%rax
L57:
  mov    %eax,(%r9,%rax,4)
  mov    %rax,%rdx
  add    $0x1,%rax
  cmp    %rdi,%rdx
  jne    L57
L12:
  cmp    %rcx,%rdi
  jle    L62
  add    $0x1,%esi
  movslq %esi,%rsi
  jmp    L80
L56:
  mov    %rcx,%rax
L1:
  movss  (%r8,%rax,4),%xmm1
  comiss %xmm0,%xmm1
  maxss  %xmm0,%xmm1
  movaps %xmm1,%xmm0
  cmova  %eax,%edx
  lea    0x1(%rax),%rcx
  cmp    %rdi,%rax
  jne    L56
L34:
  movslq %edx,%rdx
  movss  %xmm2,(%r8,%rdx,4)
  movss  %xmm0,-0x4(%r8,%rsi,4)
  mov    -0x4(%r9,%rsi,4),%ecx
  lea    (%r9,%rdx,4),%rax
  mov    (%rax),%edx
  mov    %edx,-0x4(%r9,%rsi,4)
  mov    %ecx,(%rax)
  lea    0x1(%rsi),%rax
  cmp    %rdi,%rsi
  je     L62
  mov    %rax,%rsi
L80:
  lea    -0x1(%rsi),%edx
  movss  -0x4(%r8,%rsi,4),%xmm2
  cmp    %rsi,%rdi
  jl     L0
  movslq %esi,%rax
  movaps %xmm2,%xmm0
  jmp    L1
L0:
  movaps %xmm2,%xmm0
  jmp    L34
L62:
  ret
```

assistant: ```c
void sort_index_vector_selection_max(float *key, long nl, long nh, int *index) {
  int i, j, pos, tmp;
  float x, max;
  for (i = nl; i <= nh; i++) {
    index[i] = i;
  }
  for (i = nl; i < nh; i++) {
    max = key[i];
    pos = i;
    for (j = i + 1; j <= nh; j++) {
      x = key[j];
      if (x > max) {
        max = x;
        pos = j;
      }
    }
    key[pos] = key[i];
    key[i] = max;
    tmp = index[i];
    index[i] = index[pos];
    index[pos] = tmp;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<sort_index_vector_selection_max>:
  endbr64
  mov    %rcx,%r10
  movslq %esi,%rcx
  mov    %rdx,%r8
  mov    %rcx,%rax
  cmp    %rcx,%rdx
  jl     L71
  nopl   0x0(%rax)
L77:
  mov    %rax,%rdx
  mov    %eax,(%r10,%rax,4)
  add    $0x1,%rax
  cmp    %r8,%rdx
  jne    L77
  add    $0x1,%esi
  movslq %esi,%r9
  lea    0x0(,%rcx,4),%rsi
  cmp    %rcx,%r8
  jle    L78
  nopw   0x0(%rax,%rax,1)
L43:
  movss  (%rdi,%rsi,1),%xmm2
  lea    -0x1(%r9),%edx
  lea    (%rdi,%rsi,1),%rax
  cmp    %r8,%r9
  jg     L65
  movslq %r9d,%rax
  movaps %xmm2,%xmm0
  jmp    L45
  nopw   0x0(%rax,%rax,1)
L58:
  mov    %rcx,%rax
L45:
  movss  (%rdi,%rax,4),%xmm1
  lea    0x1(%rax),%rcx
  comiss %xmm0,%xmm1
  maxss  %xmm0,%xmm1
  cmova  %eax,%edx
  movaps %xmm1,%xmm0
  cmp    %rax,%r8
  jne    L58
  movslq %edx,%rdx
  shl    $0x2,%rdx
  lea    (%rdi,%rdx,1),%rax
L67:
  add    %r10,%rdx
  movss  %xmm2,(%rax)
  mov    (%r10,%rsi,1),%eax
  mov    (%rdx),%ecx
  movss  %xmm0,(%rdi,%rsi,1)
  mov    %ecx,(%r10,%rsi,1)
  add    $0x4,%rsi
  mov    %eax,(%rdx)
  lea    0x1(%r9),%rax
  cmp    %r9,%r8
  je     L53
  mov    %rax,%r9
  jmp    L43
  nopl   0x0(%rax,%rax,1)
L53:
  ret
  nopl   0x0(%rax)
L65:
  mov    %rsi,%rdx
  movaps %xmm2,%xmm0
  jmp    L67
L71:
  ret
L78:
  ret
```

assistant: ```c
void sort_index_vector_selection_max(float *key, long nl, long nh, int *index) {
  int i, j, pos, tmp;
  float x, max;
  for (i = nl; i <= nh; i++) {
    index[i] = i;
  }
  for (i = nl; i < nh; i++) {
    max = key[i];
    pos = i;
    for (j = i + 1; j <= nh; j++) {
      x = key[j];
      if (x > max) {
        max = x;
        pos = j;
      }
    }
    key[pos] = key[i];
    key[i] = max;
    tmp = index[i];
    index[i] = index[pos];
    index[pos] = tmp;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<sort_index_vector_selection_max>:
  endbr64
  mov    %rsi,%r8
  mov    %rcx,%r10
  mov    %rdx,%rsi
  movslq %r8d,%rcx
  cmp    %rcx,%rdx
  jl     L126
  mov    %rdx,%rax
  sub    %rcx,%rax
  lea    0x1(%rax),%r9
  cmp    $0x2,%rax
  jbe    L67
  mov    %r9,%rdx
  movd   %r8d,%xmm3
  lea    (%r10,%rcx,4),%rax
  movdqa D1(%rip),%xmm2
  shr    $0x2,%rdx
  pshufd $0x0,%xmm3,%xmm0
  paddd  D12(%rip),%xmm0
  shl    $0x4,%rdx
  add    %rax,%rdx
  nopl   0x0(%rax)
L74:
  movdqa %xmm0,%xmm1
  add    $0x10,%rax
  paddd  %xmm2,%xmm0
  movups %xmm1,-0x10(%rax)
  cmp    %rdx,%rax
  jne    L74
  mov    %r9,%rdx
  and    $0xfffffffffffffffc,%rdx
  lea    (%r8,%rdx,1),%eax
  cmp    %rdx,%r9
  je     L93
L2:
  movslq %eax,%rdx
  mov    %eax,(%r10,%rdx,4)
  lea    0x0(,%rdx,4),%r9
  lea    0x1(%rax),%edx
  movslq %edx,%r11
  cmp    %r11,%rsi
  jl     L93
  add    $0x2,%eax
  mov    %edx,0x4(%r10,%r9,1)
  movslq %eax,%rdx
  cmp    %rdx,%rsi
  jl     L93
  mov    %eax,0x8(%r10,%r9,1)
L93:
  add    $0x1,%r8d
  movslq %r8d,%r9
  lea    0x0(,%rcx,4),%r8
  cmp    %rcx,%rsi
  jle    L45
  nopl   0x0(%rax)
L86:
  movss  (%rdi,%r8,1),%xmm2
  lea    -0x1(%r9),%edx
  lea    (%rdi,%r8,1),%rax
  cmp    %r9,%rsi
  jl     L132
  movslq %r9d,%rax
  movaps %xmm2,%xmm0
  jmp    L109
  nopl   0x0(%rax,%rax,1)
L25:
  mov    %rcx,%rax
L109:
  movss  (%rdi,%rax,4),%xmm1
  lea    0x1(%rax),%rcx
  comiss %xmm0,%xmm1
  maxss  %xmm0,%xmm1
  cmova  %eax,%edx
  movaps %xmm1,%xmm0
  cmp    %rsi,%rax
  jne    L25
  movslq %edx,%rdx
  shl    $0x2,%rdx
  lea    (%rdi,%rdx,1),%rax
L81:
  add    %r10,%rdx
  movss  %xmm2,(%rax)
  mov    (%r10,%r8,1),%eax
  mov    (%rdx),%ecx
  movss  %xmm0,(%rdi,%r8,1)
  mov    %ecx,(%r10,%r8,1)
  add    $0x4,%r8
  mov    %eax,(%rdx)
  lea    0x1(%r9),%rax
  cmp    %rsi,%r9
  je     L122
  mov    %rax,%r9
  jmp    L86
  nopl   0x0(%rax)
L122:
  ret
  nopl   0x0(%rax)
L132:
  mov    %r8,%rdx
  movaps %xmm2,%xmm0
  jmp    L81
L126:
  ret
L67:
  mov    %r8d,%eax
  jmp    L2
L45:
  ret
```

tool_calls: name: unpack_data
arguments: tag: D1
data_type: byte[16]
name: unpack_data
arguments: tag: D12
data_type: byte[16]

tool: {"D1": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

tool: {"D12": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00]}

assistant: ```c
void sort_index_vector_selection_max(float *key, long nl, long nh, int *index) {
  int i, j, pos, tmp;
  float x, max;
  for (i = nl; i <= nh; i++) {
    index[i] = i;
  }
  for (i = nl; i < nh; i++) {
    max = key[i];
    pos = i;
    for (j = i + 1; j <= nh; j++) {
      x = key[j];
      if (x > max) {
        max = x;
        pos = j;
      }
    }
    key[pos] = key[i];
    key[i] = max;
    tmp = index[i];
    index[i] = index[pos];
    index[pos] = tmp;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x2c(%rbp)
  jmp    L69
L23:
  mov    -0x2c(%rbp),%eax
  cltq
  movl   $0x3,-0x18(%rbp,%rax,4)
  mov    -0x2c(%rbp),%eax
  cltq
  movl   $0x0,-0x10(%rbp,%rax,4)
  addl   $0x1,-0x2c(%rbp)
L69:
  cmpl   $0x1,-0x2c(%rbp)
  jle    L23
  movl   $0x0,-0x28(%rbp)
  jmp    L59
L56:
  mov    -0x28(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  movl   $0x1,-0x20(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  mov    -0x28(%rbp),%eax
  cltq
  mov    -0x18(%rbp,%rax,4),%edx
  mov    -0x28(%rbp),%eax
  cltq
  mov    %edx,-0x10(%rbp,%rax,4)
  addl   $0x1,-0x28(%rbp)
L59:
  cmpl   $0x1,-0x28(%rbp)
  jle    L56
  movl   $0x0,-0x2c(%rbp)
  jmp    L14
L47:
  mov    -0x2c(%rbp),%eax
  cltq
  mov    -0x18(%rbp,%rax,4),%edx
  mov    -0x2c(%rbp),%eax
  cltq
  mov    -0x10(%rbp,%rax,4),%eax
  cmp    %eax,%edx
  je     L55
  call   <abort@plt>
L55:
  addl   $0x1,-0x2c(%rbp)
L14:
  cmpl   $0x1,-0x2c(%rbp)
  jle    L47
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L64
  call   <__stack_chk_fail@plt>
L64:
  leave
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  int a[2], b[2];
  int i;
  for (i = 0; i < 2; i++) {
    a[i] = 3;
    b[i] = 0;
  }
#pragma acc parallel copyin(a [0:N]) copyout(b [0:N])
  {
    int ii;
    for (ii = 0; ii < 2; ii++) {
      const int idx = ii;
      int n = 1;
      const int len = n;
#pragma acc cache
#pragma acc cache a[0 : N]
#pragma acc cache(a)
#pragma acc cache(
#pragma acc cache()
#pragma acc cache(, )
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N], )
#pragma acc cache(a [0:N]) copyin(a [0:N])
#pragma acc cache()
#pragma acc cache(a [0:N] b [0:N])
#pragma acc cache(a [0:N] b [0:N })
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N])(
#pragma acc cache(a [0:N]) ii
#pragma acc cache(a [0:N] ii)
      b[ii] = a[ii];
    }
  }
  for (i = 0; i < 2; i++) {
    if (a[i] != b[i])
      __builtin_abort();
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

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

assistant: ```c
int main(int argc, char **argv) {
  int a[2], b[2];
  int i;
  for (i = 0; i < 2; i++) {
    a[i] = 3;
    b[i] = 0;
  }
#pragma acc parallel copyin(a [0:N]) copyout(b [0:N])
  {
    int ii;
    for (ii = 0; ii < 2; ii++) {
      const int idx = ii;
      int n = 1;
      const int len = n;
#pragma acc cache
#pragma acc cache a[0 : N]
#pragma acc cache(a)
#pragma acc cache(
#pragma acc cache()
#pragma acc cache(, )
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N], )
#pragma acc cache(a [0:N]) copyin(a [0:N])
#pragma acc cache()
#pragma acc cache(a [0:N] b [0:N])
#pragma acc cache(a [0:N] b [0:N })
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N])(
#pragma acc cache(a [0:N]) ii
#pragma acc cache(a [0:N] ii)
      b[ii] = a[ii];
    }
  }
  for (i = 0; i < 2; i++) {
    if (a[i] != b[i])
      __builtin_abort();
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

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

assistant: ```c
int main(int argc, char **argv) {
  int a[2], b[2];
  int i;
  for (i = 0; i < 2; i++) {
    a[i] = 3;
    b[i] = 0;
  }
#pragma acc parallel copyin(a [0:N]) copyout(b [0:N])
  {
    int ii;
    for (ii = 0; ii < 2; ii++) {
      const int idx = ii;
      int n = 1;
      const int len = n;
#pragma acc cache
#pragma acc cache a[0 : N]
#pragma acc cache(a)
#pragma acc cache(
#pragma acc cache()
#pragma acc cache(, )
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N], )
#pragma acc cache(a [0:N]) copyin(a [0:N])
#pragma acc cache()
#pragma acc cache(a [0:N] b [0:N])
#pragma acc cache(a [0:N] b [0:N })
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N])(
#pragma acc cache(a [0:N]) ii
#pragma acc cache(a [0:N] ii)
      b[ii] = a[ii];
    }
  }
  for (i = 0; i < 2; i++) {
    if (a[i] != b[i])
      __builtin_abort();
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

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

assistant: ```c
int main(int argc, char **argv) {
  int a[2], b[2];
  int i;
  for (i = 0; i < 2; i++) {
    a[i] = 3;
    b[i] = 0;
  }
#pragma acc parallel copyin(a [0:N]) copyout(b [0:N])
  {
    int ii;
    for (ii = 0; ii < 2; ii++) {
      const int idx = ii;
      int n = 1;
      const int len = n;
#pragma acc cache
#pragma acc cache a[0 : N]
#pragma acc cache(a)
#pragma acc cache(
#pragma acc cache()
#pragma acc cache(, )
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N], )
#pragma acc cache(a [0:N]) copyin(a [0:N])
#pragma acc cache()
#pragma acc cache(a [0:N] b [0:N])
#pragma acc cache(a [0:N] b [0:N })
#pragma acc cache(a [0:N]
#pragma acc cache(a [0:N])(
#pragma acc cache(a [0:N]) ii
#pragma acc cache(a [0:N] ii)
      b[ii] = a[ii];
    }
  }
  for (i = 0; i < 2; i++) {
    if (a[i] != b[i])
      __builtin_abort();
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<safe_free_strs>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L24
  movl   $0x0,-0x4(%rbp)
  jmp    L23
L36:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
  addl   $0x1,-0x4(%rbp)
L23:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L36
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  jmp    L30
L24:
  nop
L30:
  leave
  ret
```

assistant: ```c
void safe_free_strs(char **str) {
  if (!str)
    return;
  for (int i = 0; str[i]; i++)
    free(str[i]);
  free(str);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<safe_free_strs>:
  endbr64
  test   %rdi,%rdi
  je     L27
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L26
  lea    0x8(%rbp),%rbx
L20:
  call   <free@plt>
  add    $0x8,%rbx
  mov    -0x8(%rbx),%rdi
  test   %rdi,%rdi
  jne    L20
L26:
  mov    %rbp,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L27:
  ret
```

assistant: ```c
void safe_free_strs(char **str) {
  if (!str)
    return;
  for (int i = 0; str[i]; i++)
    free(str[i]);
  free(str);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<safe_free_strs>:
  endbr64
  test   %rdi,%rdi
  je     L20
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L29
  lea    0x8(%rbp),%rbx
  xchg   %ax,%ax
L10:
  call   <free@plt>
  mov    (%rbx),%rdi
  add    $0x8,%rbx
  test   %rdi,%rdi
  jne    L10
L29:
  add    $0x8,%rsp
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1050 <free@plt>
  nop
L20:
  ret
```

assistant: ```c
void safe_free_strs(char **str) {
  if (!str)
    return;
  for (int i = 0; str[i]; i++)
    free(str[i]);
  free(str);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<safe_free_strs>:
  endbr64
  test   %rdi,%rdi
  je     L6
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    (%rdi),%rdi
  test   %rdi,%rdi
  je     L9
  lea    0x8(%rbp),%rbx
  xchg   %ax,%ax
L14:
  call   <free@plt>
  mov    (%rbx),%rdi
  add    $0x8,%rbx
  test   %rdi,%rdi
  jne    L14
L9:
  add    $0x8,%rsp
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1050 <free@plt>
  nop
L6:
  ret
```

assistant: ```c
void safe_free_strs(char **str) {
  if (!str)
    return;
  for (int i = 0; str[i]; i++)
    free(str[i]);
  free(str);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<test21>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  cmpl   $0x0,-0x14(%rbp)
  je     L39
  cmpl   $0x0,-0x18(%rbp)
  jne    L35
L39:
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdi
  call   <test19_aux3@plt>
  test   %rax,%rax
  jne    L35
  mov    $0x0,%eax
  call   <test19_aux2@plt>
  test   %rax,%rax
  je     L38
L35:
  mov    -0xc(%rbp),%eax
  jmp    L4
L38:
  mov    $0x0,%eax
L4:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
int test21(int x, int y) {
  int z;
  if ((x && y) || test19_aux3(&z) || test19_aux2())
    return z;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<test21>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  je     L28
  test   %esi,%esi
  je     L28
L1:
  mov    0x4(%rsp),%eax
L32:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L0
  add    $0x18,%rsp
  ret
L28:
  lea    0x4(%rsp),%rdi
  call   <test19_aux3@plt>
  test   %rax,%rax
  jne    L1
  call   <test19_aux2@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  je     L32
  jmp    L1
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int test21(int x, int y) {
  int z;
  if ((x && y) || test19_aux3(&z) || test19_aux2())
    return z;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<test21>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  je     L57
  test   %esi,%esi
  je     L57
L50:
  mov    0x4(%rsp),%eax
L40:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L16
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax)
L57:
  lea    0x4(%rsp),%rdi
  call   <test19_aux3@plt>
  test   %rax,%rax
  jne    L50
  call   <test19_aux2@plt>
  test   %rax,%rax
  je     L40
  jmp    L50
L16:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int test21(int x, int y) {
  int z;
  if ((x && y) || test19_aux3(&z) || test19_aux2())
    return z;
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<test21>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  je     L22
  test   %esi,%esi
  je     L22
L56:
  mov    0x4(%rsp),%eax
L52:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L35
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax)
L22:
  lea    0x4(%rsp),%rdi
  call   <test19_aux3@plt>
  test   %rax,%rax
  jne    L56
  call   <test19_aux2@plt>
  test   %rax,%rax
  je     L52
  jmp    L56
L35:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int test21(int x, int y) {
  int z;
  if ((x && y) || test19_aux3(&z) || test19_aux2())
    return z;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<hw_cores>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x1,-0x4(%rbp)
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <sysconf@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmovle %edx,%eax
  leave
  ret
```

assistant: ```c
int hw_cores() {
  int ncpus = 1;
  ncpus = sysconf(_SC_NPROCESSORS_ONLN);
  return (ncpus > 0) ? ncpus : 1;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<hw_cores>:
  endbr64
  sub    $0x8,%rsp
  mov    D8(%rip),%rax
  mov    (%rax),%edi
  call   <sysconf@plt>
  test   %eax,%eax
  mov    $0x1,%edx
  cmovle %edx,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int hw_cores() {
  int ncpus = 1;
  ncpus = sysconf(_SC_NPROCESSORS_ONLN);
  return (ncpus > 0) ? ncpus : 1;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<hw_cores>:
  endbr64
  sub    $0x8,%rsp
  mov    D2(%rip),%rax
  mov    (%rax),%edi
  call   <sysconf@plt>
  mov    $0x1,%edx
  test   %eax,%eax
  cmovle %edx,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int hw_cores() {
  int ncpus = 1;
  ncpus = sysconf(_SC_NPROCESSORS_ONLN);
  return (ncpus > 0) ? ncpus : 1;
}
```