ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<XOR_HOST_REG_W>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    -0x4(%rbp),%eax
  and    -0x8(%rbp),%eax
  and    $0x8,%eax
  test   %eax,%eax
  je     L46
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x45,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  mov    -0x4(%rbp),%eax
  and    $0x7,%eax
  or     $0xc0,%al
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  shl    $0x3,%eax
  and    $0x38,%eax
  or     %edx,%eax
  mov    %eax,%edi
  call   <addbyte@plt>
  jmp    L22
L46:
  mov    -0x4(%rbp),%eax
  and    $0x8,%eax
  test   %eax,%eax
  je     L50
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x41,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  mov    -0x4(%rbp),%eax
  and    $0x7,%eax
  or     $0xc0,%al
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  shl    $0x3,%eax
  and    $0x38,%eax
  or     %edx,%eax
  mov    %eax,%edi
  call   <addbyte@plt>
  jmp    L22
L50:
  mov    -0x8(%rbp),%eax
  and    $0x8,%eax
  test   %eax,%eax
  je     L2
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x44,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  mov    -0x4(%rbp),%eax
  and    $0x7,%eax
  or     $0xc0,%al
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  shl    $0x3,%eax
  and    $0x38,%eax
  or     %edx,%eax
  mov    %eax,%edi
  call   <addbyte@plt>
  jmp    L22
L2:
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  mov    -0x4(%rbp),%eax
  and    $0x7,%eax
  or     $0xc0,%al
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  shl    $0x3,%eax
  and    $0x38,%eax
  or     %edx,%eax
  mov    %eax,%edi
  call   <addbyte@plt>
L22:
  nop
  leave
  ret
```

assistant: ```c
void XOR_HOST_REG_W(int dst_reg, int src_reg) {
  if (dst_reg & src_reg & 8) {
    addbyte(0x66);
    addbyte(0x45);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (dst_reg & 8) {
    addbyte(0x66);
    addbyte(0x41);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (src_reg & 8) {
    addbyte(0x66);
    addbyte(0x44);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else {
    addbyte(0x66);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<XOR_HOST_REG_W>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %esi,%ebx
  mov    %edi,%eax
  and    %esi,%eax
  test   $0x8,%al
  jne    L3
  test   $0x8,%dil
  jne    L15
  test   $0x8,%sil
  je     L5
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x44,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  lea    0x0(,%rbx,8),%edi
  and    $0x38,%edi
  and    $0x7,%ebp
  or     %ebp,%edi
  or     $0xc0,%dil
  call   <addbyte@plt>
  jmp    L21
L3:
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x45,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  lea    0x0(,%rbx,8),%edi
  and    $0x38,%edi
  and    $0x7,%ebp
  or     %ebp,%edi
  or     $0xc0,%dil
  call   <addbyte@plt>
L21:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L15:
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x41,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  lea    0x0(,%rbx,8),%edi
  and    $0x38,%edi
  and    $0x7,%ebp
  or     %ebp,%edi
  or     $0xc0,%dil
  call   <addbyte@plt>
  jmp    L21
L5:
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  lea    0x0(,%rbx,8),%edi
  and    $0x38,%edi
  and    $0x7,%ebp
  or     %ebp,%edi
  or     $0xc0,%dil
  call   <addbyte@plt>
  jmp    L21
```

assistant: ```c
void XOR_HOST_REG_W(int dst_reg, int src_reg) {
  if (dst_reg & src_reg & 8) {
    addbyte(0x66);
    addbyte(0x45);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (dst_reg & 8) {
    addbyte(0x66);
    addbyte(0x41);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (src_reg & 8) {
    addbyte(0x66);
    addbyte(0x44);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else {
    addbyte(0x66);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<XOR_HOST_REG_W>:
  endbr64
  lea    0x0(,%rsi,8),%eax
  mov    %edi,%edx
  push   %rbp
  and    $0x38,%eax
  and    $0x7,%edx
  or     %edx,%eax
  or     $0xc0,%al
  mov    %eax,%ebp
  mov    %edi,%eax
  and    %esi,%eax
  test   $0x8,%al
  jne    L27
  and    $0x8,%edi
  mov    $0x66,%edi
  jne    L28
  and    $0x8,%esi
  je     L39
  call   <addbyte@plt>
  mov    $0x44,%edi
L39:
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  mov    %ebp,%edi
  pop    %rbp
  jmp    1050 <addbyte@plt>
  nopw   0x0(%rax,%rax,1)
L28:
  call   <addbyte@plt>
  mov    $0x41,%edi
  jmp    L39
  nopl   0x0(%rax)
L27:
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x45,%edi
  jmp    L39
```

assistant: ```c
void XOR_HOST_REG_W(int dst_reg, int src_reg) {
  if (dst_reg & src_reg & 8) {
    addbyte(0x66);
    addbyte(0x45);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (dst_reg & 8) {
    addbyte(0x66);
    addbyte(0x41);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (src_reg & 8) {
    addbyte(0x66);
    addbyte(0x44);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else {
    addbyte(0x66);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<XOR_HOST_REG_W>:
  endbr64
  lea    0x0(,%rsi,8),%eax
  mov    %edi,%edx
  push   %rbp
  and    $0x38,%eax
  and    $0x7,%edx
  or     %edx,%eax
  or     $0xc0,%al
  mov    %eax,%ebp
  mov    %edi,%eax
  and    %esi,%eax
  test   $0x8,%al
  jne    L2
  and    $0x8,%edi
  mov    $0x66,%edi
  jne    L14
  and    $0x8,%esi
  je     L13
  call   <addbyte@plt>
  mov    $0x44,%edi
L13:
  call   <addbyte@plt>
  mov    $0x31,%edi
  call   <addbyte@plt>
  mov    %ebp,%edi
  pop    %rbp
  jmp    1050 <addbyte@plt>
  nopw   0x0(%rax,%rax,1)
L14:
  call   <addbyte@plt>
  mov    $0x41,%edi
  jmp    L13
  nopl   0x0(%rax)
L2:
  mov    $0x66,%edi
  call   <addbyte@plt>
  mov    $0x45,%edi
  jmp    L13
```

assistant: ```c
void XOR_HOST_REG_W(int dst_reg, int src_reg) {
  if (dst_reg & src_reg & 8) {
    addbyte(0x66);
    addbyte(0x45);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (dst_reg & 8) {
    addbyte(0x66);
    addbyte(0x41);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else if (src_reg & 8) {
    addbyte(0x66);
    addbyte(0x44);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  } else {
    addbyte(0x66);
    addbyte(0x31);
    addbyte(0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<isdigitstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  jmp    L24
L15:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %eax,%eax
  jne    L38
  mov    $0x0,%eax
  jmp    L31
L38:
  addq   $0x1,-0x8(%rbp)
L24:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L21
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L15
L21:
  mov    $0x1,%eax
L31:
  leave
  ret
```

assistant: ```c
int isdigitstr(char *str) {
  while (*str && !isspace(*str)) {
    if (!isdigit(*str))
      return 0;
    str++;
  }
  return 1;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<isdigitstr>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  mov    $0x1,%eax
  test   %dil,%dil
  je     L25
L34:
  movsbl %dil,%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L20
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %eax,%eax
  je     L25
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L34
  mov    $0x1,%eax
  jmp    L25
L20:
  mov    $0x1,%eax
L25:
  pop    %rbx
  ret
```

assistant: ```c
int isdigitstr(char *str) {
  while (*str && !isspace(*str)) {
    if (!isdigit(*str))
      return 0;
    str++;
  }
  return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<isdigitstr>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  jne    L45
  jmp    L0
  nopw   0x0(%rax,%rax,1)
L1:
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %eax,%eax
  je     L12
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L0
L45:
  call   <isspace@plt>
  test   %eax,%eax
  je     L1
L0:
  mov    $0x1,%eax
L12:
  pop    %rbx
  ret
```

assistant: ```c
int isdigitstr(char *str) {
  while (*str && !isspace(*str)) {
    if (!isdigit(*str))
      return 0;
    str++;
  }
  return 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<isdigitstr>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  jne    L5
  jmp    L37
  nopw   0x0(%rax,%rax,1)
L3:
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %eax,%eax
  je     L42
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L37
L5:
  call   <isspace@plt>
  test   %eax,%eax
  je     L3
L37:
  mov    $0x1,%eax
L42:
  pop    %rbx
  ret
```

assistant: ```c
int isdigitstr(char *str) {
  while (*str && !isspace(*str)) {
    if (!isdigit(*str))
      return 0;
    str++;
  }
  return 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<qcksrtM>:
  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    L49
  mov    -0x1c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jg     L49
  mov    -0x20(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L49
  mov    -0x1c(%rbp),%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x8(%rbp)
  mov    -0x1c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x20(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0xc(%rbp)
L9:
  addl   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  comiss -0x8(%rbp),%xmm0
  ja     L9
L85:
  subl   $0x1,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm1
  movss  -0x8(%rbp),%xmm0
  comiss %xmm1,%xmm0
  ja     L85
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jge    L27
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x4(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  movss  (%rdx),%xmm0
  movss  %xmm0,(%rax)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movss  -0x4(%rbp),%xmm0
  movss  %xmm0,(%rax)
L27:
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L9
  mov    -0xc(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jge    L58
  mov    -0xc(%rbp),%eax
  lea    0x1(%rax),%esi
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <qcksrtM>
  jmp    L72
L58:
  mov    -0x24(%rbp),%ecx
  mov    -0xc(%rbp),%edx
  mov    -0x1c(%rbp),%esi
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <qcksrtM>
  jmp    L72
L49:
  nop
L72:
  leave
  ret
```

assistant: ```c
void qcksrtM(float *array, int l, int r, int M) {
  int i, j;
  float x, tmp;
  if (l >= r || l > M || r < M)
    return;
  x = array[(l + r) / 2];
  i = l - 1;
  j = r + 1;
  do {
    do
      i++;
    while (array[i] > x);
    do
      j--;
    while (array[j] < x);
    if (i < j) {
      tmp = array[i];
      array[i] = array[j];
      array[j] = tmp;
    }
  } while (i < j);
  if (j < M)
    qcksrtM(array, j + 1, r, M);
  else
    qcksrtM(array, l, j, M);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<qcksrtM>:
  endbr64
  mov    %edx,%r10d
  cmp    %edx,%esi
  setge  %al
  cmp    %ecx,%esi
  setg   %dl
  or     %dl,%al
  jne    L2
  mov    %rdi,%r8
  mov    %esi,%r9d
  mov    %ecx,%r11d
  cmp    %ecx,%r10d
  jl     L2
  sub    $0x8,%rsp
  lea    (%rsi,%r10,1),%edx
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cltq
  movss  (%rdi,%rax,4),%xmm1
  lea    0x1(%r10),%edx
  movslq %esi,%rdi
  jmp    L31
L32:
  add    $0x1,%rdi
L31:
  movss  (%r8,%rdi,4),%xmm2
  comiss %xmm1,%xmm2
  ja     L32
  movslq %edx,%rax
  lea    -0x4(%r8,%rax,4),%rax
L12:
  mov    %edx,%esi
  sub    $0x1,%edx
  mov    %rax,%rcx
  sub    $0x4,%rax
  movss  0x4(%rax),%xmm0
  comiss %xmm0,%xmm1
  ja     L12
  cmp    %edi,%edx
  jle    L34
  movss  %xmm0,(%r8,%rdi,4)
  movss  %xmm2,(%rcx)
  jmp    L32
L58:
  mov    %r11d,%ecx
  mov    %r10d,%edx
  mov    %r8,%rdi
  call   <qcksrtM>
L37:
  add    $0x8,%rsp
  ret
L34:
  cmp    %edx,%r11d
  jg     L58
  mov    %r11d,%ecx
  mov    %r9d,%esi
  mov    %r8,%rdi
  call   <qcksrtM>
  jmp    L37
L2:
  ret
```

assistant: ```c
void qcksrtM(float *array, int l, int r, int M) {
  int i, j;
  float x, tmp;
  if (l >= r || l > M || r < M)
    return;
  x = array[(l + r) / 2];
  i = l - 1;
  j = r + 1;
  do {
    do
      i++;
    while (array[i] > x);
    do
      j--;
    while (array[j] < x);
    if (i < j) {
      tmp = array[i];
      array[i] = array[j];
      array[j] = tmp;
    }
  } while (i < j);
  if (j < M)
    qcksrtM(array, j + 1, r, M);
  else
    qcksrtM(array, l, j, M);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<qcksrtM>:
  endbr64
  cmp    %edx,%esi
  mov    %edx,%r10d
  mov    %rdi,%r8
  mov    %esi,%r9d
  setge  %al
  cmp    %ecx,%esi
  mov    %ecx,%r11d
  setg   %dl
  or     %dl,%al
  jne    L24
  cmp    %ecx,%r10d
  jl     L35
  nopl   0x0(%rax,%rax,1)
L62:
  lea    (%r9,%r10,1),%edx
  movslq %r9d,%rdi
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  lea    0x1(%r10),%edx
  sar    %eax
  cltq
  movss  (%r8,%rax,4),%xmm1
  nopl   0x0(%rax)
L50:
  movss  (%r8,%rdi,4),%xmm2
  comiss %xmm1,%xmm2
  ja     L3
  movslq %edx,%rax
  lea    -0x4(%r8,%rax,4),%rax
  nopl   0x0(%rax,%rax,1)
L58:
  mov    %rax,%rcx
  movss  (%rax),%xmm0
  sub    $0x4,%rax
  mov    %edx,%esi
  sub    $0x1,%edx
  comiss %xmm0,%xmm1
  ja     L58
  cmp    %edi,%edx
  jg     L46
  cmp    %edx,%r11d
  cmovle %edx,%r10d
  cmovg  %esi,%r9d
  cmp    %r9d,%r10d
  setle  %al
  cmp    %r9d,%r11d
  setl   %dl
  or     %dl,%al
  jne    L24
  cmp    %r10d,%r11d
  jle    L62
L24:
  ret
  nopw   0x0(%rax,%rax,1)
L46:
  movss  %xmm0,(%r8,%rdi,4)
  movss  %xmm2,(%rcx)
L3:
  add    $0x1,%rdi
  jmp    L50
L35:
  ret
```

assistant: ```c
void qcksrtM(float *array, int l, int r, int M) {
  int i, j;
  float x, tmp;
  if (l >= r || l > M || r < M)
    return;
  x = array[(l + r) / 2];
  i = l - 1;
  j = r + 1;
  do {
    do
      i++;
    while (array[i] > x);
    do
      j--;
    while (array[j] < x);
    if (i < j) {
      tmp = array[i];
      array[i] = array[j];
      array[j] = tmp;
    }
  } while (i < j);
  if (j < M)
    qcksrtM(array, j + 1, r, M);
  else
    qcksrtM(array, l, j, M);
}
```
user: Translate the below assembly code into C programming language:

```asm
<qcksrtM>:
  endbr64
  cmp    %edx,%esi
  mov    %edx,%r10d
  mov    %rdi,%r8
  mov    %esi,%r9d
  setge  %al
  cmp    %ecx,%esi
  mov    %ecx,%r11d
  setg   %dl
  or     %dl,%al
  jne    L39
  cmp    %ecx,%r10d
  jl     L29
  nopl   0x0(%rax,%rax,1)
L40:
  lea    (%r9,%r10,1),%edx
  movslq %r9d,%rdi
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  lea    0x1(%r10),%edx
  sar    %eax
  cltq
  movss  (%r8,%rax,4),%xmm1
  nopl   0x0(%rax)
L26:
  movss  (%r8,%rdi,4),%xmm2
  comiss %xmm1,%xmm2
  ja     L73
  movslq %edx,%rax
  lea    -0x4(%r8,%rax,4),%rax
  nopl   0x0(%rax,%rax,1)
L64:
  mov    %rax,%rcx
  movss  (%rax),%xmm0
  sub    $0x4,%rax
  mov    %edx,%esi
  sub    $0x1,%edx
  comiss %xmm0,%xmm1
  ja     L64
  cmp    %edi,%edx
  jg     L70
  cmp    %edx,%r11d
  cmovle %edx,%r10d
  cmovg  %esi,%r9d
  cmp    %r9d,%r10d
  setle  %al
  cmp    %r9d,%r11d
  setl   %dl
  or     %dl,%al
  jne    L39
  cmp    %r10d,%r11d
  jle    L40
L39:
  ret
  nopw   0x0(%rax,%rax,1)
L70:
  movss  %xmm0,(%r8,%rdi,4)
  movss  %xmm2,(%rcx)
L73:
  add    $0x1,%rdi
  jmp    L26
L29:
  ret
```

assistant: ```c
void qcksrtM(float *array, int l, int r, int M) {
  int i, j;
  float x, tmp;
  if (l >= r || l > M || r < M)
    return;
  x = array[(l + r) / 2];
  i = l - 1;
  j = r + 1;
  do {
    do
      i++;
    while (array[i] > x);
    do
      j--;
    while (array[j] < x);
    if (i < j) {
      tmp = array[i];
      array[i] = array[j];
      array[j] = tmp;
    }
  } while (i < j);
  if (j < M)
    qcksrtM(array, j + 1, r, M);
  else
    qcksrtM(array, l, j, M);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<next_pow2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  subl   $0x1,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    %eax
  or     %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x2,%eax
  or     %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x4,%eax
  or     %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x8,%eax
  or     %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x10,%eax
  or     %eax,-0x4(%rbp)
  addl   $0x1,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  sete   %al
  movzbl %al,%eax
  add    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
uint32_t next_pow2(uint32_t v) {
  v--;
  v |= v >> 1;
  v |= v >> 2;
  v |= v >> 4;
  v |= v >> 8;
  v |= v >> 16;
  v++;
  v += (v == 0);
  return v;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<next_pow2>:
  endbr64
  sub    $0x1,%edi
  mov    %edi,%eax
  sar    %eax
  or     %edi,%eax
  mov    %eax,%edi
  sar    $0x2,%edi
  or     %eax,%edi
  mov    %edi,%eax
  sar    $0x4,%eax
  or     %edi,%eax
  mov    %eax,%edx
  sar    $0x8,%edx
  or     %eax,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  or     %edx,%eax
  add    $0x1,%eax
  sete   %dl
  movzbl %dl,%edx
  add    %edx,%eax
  ret
```

assistant: ```c
uint32_t next_pow2(uint32_t v) {
  v--;
  v |= v >> 1;
  v |= v >> 2;
  v |= v >> 4;
  v |= v >> 8;
  v |= v >> 16;
  v++;
  v += (v == 0);
  return v;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<next_pow2>:
  endbr64
  sub    $0x1,%edi
  mov    %edi,%eax
  sar    %eax
  or     %edi,%eax
  mov    %eax,%edi
  sar    $0x2,%edi
  or     %eax,%edi
  mov    %edi,%eax
  sar    $0x4,%eax
  or     %edi,%eax
  mov    %eax,%edx
  sar    $0x8,%edx
  or     %eax,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  or     %edx,%eax
  xor    %edx,%edx
  add    $0x1,%eax
  sete   %dl
  add    %edx,%eax
  ret
```

assistant: ```c
uint32_t next_pow2(uint32_t v) {
  v--;
  v |= v >> 1;
  v |= v >> 2;
  v |= v >> 4;
  v |= v >> 8;
  v |= v >> 16;
  v++;
  v += (v == 0);
  return v;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<next_pow2>:
  endbr64
  sub    $0x1,%edi
  mov    %edi,%eax
  sar    %eax
  or     %edi,%eax
  mov    %eax,%edi
  sar    $0x2,%edi
  or     %eax,%edi
  mov    %edi,%eax
  sar    $0x4,%eax
  or     %edi,%eax
  mov    %eax,%edx
  sar    $0x8,%edx
  or     %eax,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  or     %edx,%eax
  xor    %edx,%edx
  add    $0x1,%eax
  sete   %dl
  add    %edx,%eax
  ret
```

assistant: ```c
uint32_t next_pow2(uint32_t v) {
  v--;
  v |= v >> 1;
  v |= v >> 2;
  v |= v >> 4;
  v |= v >> 8;
  v |= v >> 16;
  v++;
  v += (v == 0);
  return v;
}
```
user: Translate the below assembly code into C programming language:

```asm
<strncmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L70
L63:
  mov    -0x4(%rbp),%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x4(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jle    L25
  mov    $0x1,%eax
  jmp    L73
L25:
  mov    -0x4(%rbp),%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x4(%rbp),%ecx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jge    L40
  mov    $0xffffffff,%eax
  jmp    L73
L40:
  addl   $0x1,-0x4(%rbp)
L70:
  mov    -0x4(%rbp),%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L51
  mov    -0x4(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L51
  mov    -0x4(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jb     L63
L51:
  mov    $0x0,%eax
L73:
  pop    %rbp
  ret
```

assistant: ```c
unsigned strncmp(char a[], char b[], unsigned n) {
  unsigned i = 0;
  while (a[i] && b[i] && i < n) {
    if (a[i] > b[i]) {
      return 1;
    } else if (a[i] < b[i]) {
      return -1;
    }
    i++;
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strncmp>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L60
  movzbl (%rsi),%ecx
  test   %edx,%edx
  je     L34
  test   %cl,%cl
  je     L34
  mov    $0x0,%r8d
L29:
  cmp    %cl,%al
  jg     L16
  jl     L14
  add    $0x1,%r8d
  mov    %r8d,%ecx
  movzbl (%rdi,%rcx,1),%eax
  test   %al,%al
  je     L12
  movzbl (%rsi,%rcx,1),%ecx
  cmp    %r8d,%edx
  jbe    L70
  test   %cl,%cl
  jne    L29
L70:
  mov    $0x0,%eax
  ret
L60:
  mov    $0x0,%eax
  ret
L34:
  mov    $0x0,%eax
  ret
L16:
  mov    $0x1,%eax
  ret
L14:
  mov    $0xffffffff,%eax
  ret
L12:
  mov    $0x0,%eax
  ret
```

assistant: ```c
unsigned strncmp(char a[], char b[], unsigned n) {
  unsigned i = 0;
  while (a[i] && b[i] && i < n) {
    if (a[i] > b[i]) {
      return 1;
    } else if (a[i] < b[i]) {
      return -1;
    }
    i++;
  }
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<strncmp>:
  endbr64
  movzbl (%rdi),%ecx
  test   %cl,%cl
  je     L53
  movzbl (%rsi),%r8d
  xor    %eax,%eax
  test   %edx,%edx
  je     L24
  test   %r8b,%r8b
  jne    L23
  jmp    L24
  nopl   0x0(%rax)
L44:
  jl     L36
  lea    0x1(%rax),%r8d
  movzbl (%rdi,%r8,1),%ecx
  mov    %r8,%rax
  test   %cl,%cl
  je     L53
  movzbl (%rsi,%r8,1),%r8d
  test   %r8b,%r8b
  je     L53
  cmp    %eax,%edx
  jbe    L53
L23:
  cmp    %r8b,%cl
  jle    L44
  mov    $0x1,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L53:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L36:
  mov    $0xffffffff,%eax
  ret
L24:
  ret
```

assistant: ```c
unsigned strncmp(char a[], char b[], unsigned n) {
  unsigned i = 0;
  while (a[i] && b[i] && i < n) {
    if (a[i] > b[i]) {
      return 1;
    } else if (a[i] < b[i]) {
      return -1;
    }
    i++;
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<strncmp>:
  endbr64
  movzbl (%rdi),%ecx
  test   %cl,%cl
  je     L59
  movzbl (%rsi),%r8d
  xor    %eax,%eax
  test   %edx,%edx
  je     L84
  test   %r8b,%r8b
  jne    L53
  jmp    L84
  nopl   0x0(%rax)
L16:
  jl     L27
  lea    0x1(%rax),%r8d
  movzbl (%rdi,%r8,1),%ecx
  mov    %r8,%rax
  test   %cl,%cl
  je     L59
  movzbl (%rsi,%r8,1),%r8d
  test   %r8b,%r8b
  je     L59
  cmp    %eax,%edx
  jbe    L59
L53:
  cmp    %r8b,%cl
  jle    L16
  mov    $0x1,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L59:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L27:
  mov    $0xffffffff,%eax
  ret
L84:
  ret
```

assistant: ```c
unsigned strncmp(char a[], char b[], unsigned n) {
  unsigned i = 0;
  while (a[i] && b[i] && i < n) {
    if (a[i] > b[i]) {
      return 1;
    } else if (a[i] < b[i]) {
      return -1;
    }
    i++;
  }
  return 0;
}
```