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

```asm
<putchar>:
  endbr64
  shl    $0x8,%edi
  mov    %edi,%eax
  or     $0x1,%eax
  mov    %eax,0x804
  mov    %edi,0x804
L2:
  test   %edi,%edi
  je     L2
  ret
```

assistant: ```c
void putchar(uint8_t c) {
  uint32_t a3;
  volatile uint32_t *tx_reg = (uint32_t *)((1 << 11) + 4);
  a3 = 1 | (c << 8);
  *tx_reg = a3;
  a3 = c << 8;
  *tx_reg = a3;
  while (*((uint8_t *)tx_reg) == 0) {
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<putchar>:
  endbr64
  shl    $0x8,%edi
  mov    %edi,%eax
  or     $0x1,%eax
  mov    %eax,0x804
  mov    %edi,0x804
  test   %edi,%edi
  jne    L15
L13:
  jmp    L13
L15:
  ret
```

assistant: ```c
void putchar(uint8_t c) {
  uint32_t a3;
  volatile uint32_t *tx_reg = (uint32_t *)((1 << 11) + 4);
  a3 = 1 | (c << 8);
  *tx_reg = a3;
  a3 = c << 8;
  *tx_reg = a3;
  while (*((uint8_t *)tx_reg) == 0) {
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<putchar>:
  endbr64
  shl    $0x8,%edi
  mov    %edi,%eax
  or     $0x1,%eax
  mov    %eax,0x804
  mov    %edi,0x804
  test   %edi,%edi
  jne    L7
L0:
  jmp    L0
L7:
  ret
```

assistant: ```c
void putchar(uint8_t c) {
  uint32_t a3;
  volatile uint32_t *tx_reg = (uint32_t *)((1 << 11) + 4);
  a3 = 1 | (c << 8);
  *tx_reg = a3;
  a3 = c << 8;
  *tx_reg = a3;
  while (*((uint8_t *)tx_reg) == 0) {
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<random_if>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x5,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  mov    %edx,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  setl   %al
  movzbl %al,%eax
  leave
  ret
```

assistant: ```c
bool random_if(int p) {
  int r = rand() % 100;
  return (r < p);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<random_if>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cmp    %ebx,%eax
  setl   %al
  movzbl %al,%eax
  pop    %rbx
  ret
```

assistant: ```c
bool random_if(int p) {
  int r = rand() % 100;
  return (r < p);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<random_if>:
  endbr64
  push   %rbx
  xor    %eax,%eax
  mov    %edi,%ebx
  call   <rand@plt>
  movslq %eax,%rdx
  mov    %eax,%ecx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x25,%rdx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cmp    %ebx,%eax
  pop    %rbx
  setl   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
bool random_if(int p) {
  int r = rand() % 100;
  return (r < p);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<random_if>:
  endbr64
  push   %rbx
  xor    %eax,%eax
  mov    %edi,%ebx
  call   <rand@plt>
  movslq %eax,%rdx
  mov    %eax,%ecx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x25,%rdx
  sub    %ecx,%edx
  imul   $0x64,%edx,%edx
  sub    %edx,%eax
  cmp    %ebx,%eax
  pop    %rbx
  setl   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
bool random_if(int p) {
  int r = rand() % 100;
  return (r < p);
}
```
user: Translate the below assembly code into C programming language:

```asm
<psmat3_transpose>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <mat3_transpose@plt>
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
__attribute__((always_)) struct mat3 *psmat3_transpose(struct mat3 *result, struct mat3 *m) {
  mat3_transpose((float *)result, (float *)m);
  return result;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<psmat3_transpose>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <mat3_transpose@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
__attribute__((always_)) struct mat3 *psmat3_transpose(struct mat3 *result, struct mat3 *m) {
  mat3_transpose((float *)result, (float *)m);
  return result;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<psmat3_transpose>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  call   <mat3_transpose@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
__attribute__((always_)) struct mat3 *psmat3_transpose(struct mat3 *result, struct mat3 *m) {
  mat3_transpose((float *)result, (float *)m);
  return result;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<psmat3_transpose>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  call   <mat3_transpose@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
__attribute__((always_)) struct mat3 *psmat3_transpose(struct mat3 *result, struct mat3 *m) {
  mat3_transpose((float *)result, (float *)m);
  return result;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<countBits>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  addl   $0x1,-0x14(%rbp)
  mov    -0x20(%rbp),%rax
  mov    -0x14(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x14(%rbp),%eax
  cltq
  shl    $0x2,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movl   $0x0,(%rax)
  movl   $0x1,-0xc(%rbp)
  jmp    L3
L39:
  mov    -0xc(%rbp),%eax
  cltd
  shr    $0x1f,%edx
  add    %edx,%eax
  and    $0x1,%eax
  sub    %edx,%eax
  cmp    $0x1,%eax
  jne    L26
  mov    -0xc(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  add    $0x1,%edx
  mov    %edx,(%rax)
  jmp    L22
L26:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
L22:
  addl   $0x1,-0xc(%rbp)
L3:
  mov    -0xc(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L39
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
int *countBits(int num, int *returnSize) {
  *returnSize = ++num;
  int *result = (int *)malloc(num * sizeof(int));
  result[0] = 0;
  for (int i = 1; i < num; i++) {
    if (i % 2 == 1)
      result[i] = result[i - 1] + 1;
    else
      result[i] = result[i / 2];
  }
  return result;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<countBits>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    0x1(%rdi),%ebp
  mov    %ebp,(%rsi)
  lea    0x0(,%rbp,4),%edi
  call   <malloc@plt>
  mov    %rax,%r8
  movl   $0x0,(%rax)
  cmp    $0x1,%ebp
  jle    L8
  lea    0x4(%rax),%rcx
  mov    %ebp,%edi
  mov    $0x1,%eax
  jmp    L36
L38:
  mov    -0x4(%rcx),%ebx
  lea    0x1(%rbx),%edx
  mov    %edx,(%rcx)
L43:
  add    $0x1,%eax
  add    $0x4,%rcx
  cmp    %edi,%eax
  je     L8
L36:
  mov    %eax,%esi
  shr    $0x1f,%esi
  lea    (%rax,%rsi,1),%edx
  and    $0x1,%edx
  sub    %esi,%edx
  cmp    $0x1,%edx
  je     L38
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %eax,%edx
  sar    %edx
  movslq %edx,%rdx
  mov    (%r8,%rdx,4),%edx
  mov    %edx,(%rcx)
  jmp    L43
L8:
  mov    %r8,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int *countBits(int num, int *returnSize) {
  *returnSize = ++num;
  int *result = (int *)malloc(num * sizeof(int));
  result[0] = 0;
  for (int i = 1; i < num; i++) {
    if (i % 2 == 1)
      result[i] = result[i - 1] + 1;
    else
      result[i] = result[i / 2];
  }
  return result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<countBits>:
  endbr64
  push   %rbp
  lea    0x1(%rdi),%ebp
  push   %rbx
  mov    %edi,%ebx
  lea    0x0(,%rbp,4),%edi
  sub    $0x8,%rsp
  mov    %ebp,(%rsi)
  call   <malloc@plt>
  mov    $0x1,%edx
  movl   $0x0,(%rax)
  lea    0x4(%rax),%rcx
  cmp    $0x1,%ebp
  jg     L23
  jmp    L17
  nopl   0x0(%rax,%rax,1)
L48:
  mov    %edx,%esi
  add    $0x4,%rcx
  sar    %esi
  movslq %esi,%rsi
  mov    (%rax,%rsi,4),%esi
  mov    %esi,-0x4(%rcx)
  lea    0x1(%rdx),%esi
  cmp    %edx,%ebx
  je     L17
L33:
  mov    %esi,%edx
L23:
  test   $0x1,%dl
  je     L48
  mov    -0x4(%rcx),%edi
  add    $0x4,%rcx
  lea    0x1(%rdi),%esi
  mov    %esi,-0x4(%rcx)
  lea    0x1(%rdx),%esi
  cmp    %edx,%ebx
  jne    L33
L17:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int *countBits(int num, int *returnSize) {
  *returnSize = ++num;
  int *result = (int *)malloc(num * sizeof(int));
  result[0] = 0;
  for (int i = 1; i < num; i++) {
    if (i % 2 == 1)
      result[i] = result[i - 1] + 1;
    else
      result[i] = result[i / 2];
  }
  return result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<countBits>:
  endbr64
  push   %rbp
  lea    0x1(%rdi),%ebp
  push   %rbx
  mov    %edi,%ebx
  lea    0x0(,%rbp,4),%edi
  sub    $0x8,%rsp
  mov    %ebp,(%rsi)
  call   <malloc@plt>
  mov    $0x1,%edx
  movl   $0x0,(%rax)
  lea    0x4(%rax),%rcx
  cmp    $0x1,%ebp
  jg     L26
  jmp    L9
  nopl   0x0(%rax,%rax,1)
L23:
  mov    %edx,%esi
  add    $0x4,%rcx
  sar    %esi
  movslq %esi,%rsi
  mov    (%rax,%rsi,4),%esi
  mov    %esi,-0x4(%rcx)
  lea    0x1(%rdx),%esi
  cmp    %edx,%ebx
  je     L9
L16:
  mov    %esi,%edx
L26:
  test   $0x1,%dl
  je     L23
  mov    -0x4(%rcx),%edi
  add    $0x4,%rcx
  lea    0x1(%rdi),%esi
  mov    %esi,-0x4(%rcx)
  lea    0x1(%rdx),%esi
  cmp    %edx,%ebx
  jne    L16
L9:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int *countBits(int num, int *returnSize) {
  *returnSize = ++num;
  int *result = (int *)malloc(num * sizeof(int));
  result[0] = 0;
  for (int i = 1; i < num; i++) {
    if (i % 2 == 1)
      result[i] = result[i - 1] + 1;
    else
      result[i] = result[i / 2];
  }
  return result;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<list_by_category>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <print_parser@plt>
  mov    $0x1,%eax
  leave
  ret
```

assistant: ```c
int list_by_category(void *data, const char *path, const struct lms_parser_info *info) {
  print_parser(path, info);
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<list_by_category>:
  endbr64
  sub    $0x8,%rsp
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  call   <print_parser@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int list_by_category(void *data, const char *path, const struct lms_parser_info *info) {
  print_parser(path, info);
  return 1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<list_by_category>:
  endbr64
  sub    $0x8,%rsp
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  call   <print_parser@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int list_by_category(void *data, const char *path, const struct lms_parser_info *info) {
  print_parser(path, info);
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<list_by_category>:
  endbr64
  sub    $0x8,%rsp
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  call   <print_parser@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int list_by_category(void *data, const char *path, const struct lms_parser_info *info) {
  print_parser(path, info);
  return 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ssd_cmd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <lcd_cmd_fast@plt>
  addq   $0x1,-0x8(%rbp)
  jmp    L4
L18:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <lcd_wr8_fast@plt>
  addq   $0x1,-0x8(%rbp)
  subl   $0x1,-0xc(%rbp)
L4:
  cmpl   $0x0,-0xc(%rbp)
  jne    L18
  nop
  nop
  leave
  ret
```

assistant: ```c
void ssd_cmd(const unsigned char k[1], unsigned data_len) {
  lcd_cmd_fast(*k);
  k++;
  while (data_len) {
    lcd_wr8_fast(*k);
    k++;
    data_len--;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<ssd_cmd>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %esi,%r12d
  movzbl (%rdi),%edi
  mov    $0x0,%eax
  call   <lcd_cmd_fast@plt>
  test   %r12d,%r12d
  je     L12
  lea    0x1(%rbp),%rbx
  lea    -0x1(%r12),%eax
  lea    0x2(%rbp,%rax,1),%rbp
L7:
  movzbl (%rbx),%edi
  mov    $0x0,%eax
  call   <lcd_wr8_fast@plt>
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L7
L12:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void ssd_cmd(const unsigned char k[1], unsigned data_len) {
  lcd_cmd_fast(*k);
  k++;
  while (data_len) {
    lcd_wr8_fast(*k);
    k++;
    data_len--;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ssd_cmd>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  movzbl (%rdi),%edi
  call   <lcd_cmd_fast@plt>
  test   %r12d,%r12d
  je     L9
  lea    -0x1(%r12),%eax
  lea    0x1(%rbp),%rbx
  lea    0x2(%rbp,%rax,1),%rbp
  nopl   0x0(%rax,%rax,1)
L10:
  movzbl (%rbx),%edi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <lcd_wr8_fast@plt>
  cmp    %rbp,%rbx
  jne    L10
L9:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void ssd_cmd(const unsigned char k[1], unsigned data_len) {
  lcd_cmd_fast(*k);
  k++;
  while (data_len) {
    lcd_wr8_fast(*k);
    k++;
    data_len--;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<ssd_cmd>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %esi,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  movzbl (%rdi),%edi
  call   <lcd_cmd_fast@plt>
  test   %r12d,%r12d
  je     L2
  lea    -0x1(%r12),%eax
  lea    0x1(%rbp),%rbx
  lea    0x2(%rbp,%rax,1),%rbp
  nopl   0x0(%rax,%rax,1)
L10:
  movzbl (%rbx),%edi
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <lcd_wr8_fast@plt>
  cmp    %rbx,%rbp
  jne    L10
L2:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void ssd_cmd(const unsigned char k[1], unsigned data_len) {
  lcd_cmd_fast(*k);
  k++;
  while (data_len) {
    lcd_wr8_fast(*k);
    k++;
    data_len--;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<stdlib_strided_dnanvariancewd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x48(%rbp)
  movsd  %xmm0,-0x50(%rbp)
  mov    %rsi,-0x58(%rbp)
  mov    %rdx,-0x60(%rbp)
  cmpq   $0x0,-0x48(%rbp)
  jg     L90
  pxor   %xmm0,%xmm0
  divsd  %xmm0,%xmm0
  jmp    L7
L90:
  cmpq   $0x1,-0x48(%rbp)
  je     L73
  cmpq   $0x0,-0x60(%rbp)
  jne    L48
L73:
  mov    -0x58(%rbp),%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm0
  ucomisd -0x10(%rbp),%xmm0
  jp     L37
  pxor   %xmm0,%xmm0
  cvtsi2sdq -0x48(%rbp),%xmm0
  subsd  -0x50(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm1,%xmm0
  jbe    L37
  pxor   %xmm0,%xmm0
  jmp    L7
L37:
  pxor   %xmm0,%xmm0
  divsd  %xmm0,%xmm0
  jmp    L7
L48:
  cmpq   $0x0,-0x60(%rbp)
  jns    L94
  mov    $0x1,%eax
  sub    -0x48(%rbp),%rax
  mov    -0x60(%rbp),%rdx
  imul   %rdx,%rax
  mov    %rax,-0x40(%rbp)
  jmp    L139
L94:
  movq   $0x0,-0x40(%rbp)
L139:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movq   $0x0,-0x38(%rbp)
  movq   $0x0,-0x30(%rbp)
  jmp    L27
L131:
  mov    -0x40(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm0
  ucomisd -0x10(%rbp),%xmm0
  jp     L23
  movsd  -0x10(%rbp),%xmm0
  subsd  -0x20(%rbp),%xmm0
  movsd  %xmm0,-0x8(%rbp)
  addq   $0x1,-0x38(%rbp)
  pxor   %xmm1,%xmm1
  cvtsi2sdq -0x38(%rbp),%xmm1
  movsd  -0x8(%rbp),%xmm0
  divsd  %xmm1,%xmm0
  movsd  -0x20(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x10(%rbp),%xmm0
  subsd  -0x20(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
L23:
  mov    -0x60(%rbp),%rax
  add    %rax,-0x40(%rbp)
  addq   $0x1,-0x30(%rbp)
L27:
  mov    -0x30(%rbp),%rax
  cmp    -0x48(%rbp),%rax
  jl     L131
  pxor   %xmm0,%xmm0
  cvtsi2sdq -0x38(%rbp),%xmm0
  subsd  -0x50(%rbp),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  pxor   %xmm0,%xmm0
  comisd -0x18(%rbp),%xmm0
  jb     L44
  pxor   %xmm0,%xmm0
  divsd  %xmm0,%xmm0
  jmp    L7
L44:
  movsd  -0x28(%rbp),%xmm0
  divsd  -0x18(%rbp),%xmm0
L7:
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  pop    %rbp
  ret
```

assistant: ```c
double stdlib_strided_dnanvariancewd(const int64_t N, const double correction, const double *X, const int64_t stride) {
  double delta;
  int64_t ix;
  int64_t n;
  int64_t i;
  double M2;
  double nc;
  double mu;
  double v;
  if (N <= 0) {
    return 0.0 / 0.0;
  }
  if (N == 1 || stride == 0) {
    v = X[0];
    if (v == v && (double)N - correction > 0.0) {
      return 0.0;
    }
    return 0.0 / 0.0;
  }
  if (stride < 0) {
    ix = (1 - N) * stride;
  } else {
    ix = 0;
  }
  M2 = 0.0;
  mu = 0.0;
  n = 0;
  for (i = 0; i < N; i++) {
    v = X[ix];
    if (v == v) {
      delta = v - mu;
      n += 1;
      mu += delta / (double)n;
      M2 += delta * (v - mu);
    }
    ix += stride;
  }
  nc = (double)n - correction;
  if (nc <= 0.0) {
    return 0.0 / 0.0;
  }
  return M2 / nc;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<stdlib_strided_dnanvariancewd>:
  endbr64
  test   %rdi,%rdi
  jle    L8
  cmp    $0x1,%rdi
  je     L27
  test   %rdx,%rdx
  je     L27
  mov    $0x0,%eax
  js     L6
L72:
  shl    $0x3,%rdx
  lea    (%rsi,%rax,8),%rcx
  pxor   %xmm3,%xmm3
  movapd %xmm3,%xmm2
  mov    $0x0,%eax
  mov    $0x0,%esi
  jmp    L13
L8:
  pxor   %xmm0,%xmm0
  divsd  %xmm0,%xmm0
  ret
L27:
  movsd  (%rsi),%xmm1
  ucomisd %xmm1,%xmm1
  jp     L23
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdi,%xmm1
  subsd  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm0,%xmm1
  ja     L34
L23:
  pxor   %xmm0,%xmm0
  divsd  %xmm0,%xmm0
  ret
L6:
  mov    $0x1,%eax
  sub    %rdi,%rax
  imul   %rdx,%rax
  jmp    L72
L76:
  add    $0x1,%rax
  add    %rdx,%rcx
  cmp    %rax,%rdi
  je     L55
L13:
  movsd  (%rcx),%xmm1
  ucomisd %xmm1,%xmm1
  jp     L76
  movapd %xmm1,%xmm4
  subsd  %xmm3,%xmm4
  add    $0x1,%rsi
  pxor   %xmm6,%xmm6
  cvtsi2sd %rsi,%xmm6
  movapd %xmm4,%xmm5
  divsd  %xmm6,%xmm5
  addsd  %xmm5,%xmm3
  subsd  %xmm3,%xmm1
  mulsd  %xmm4,%xmm1
  addsd  %xmm1,%xmm2
  jmp    L76
L55:
  pxor   %xmm1,%xmm1
  cvtsi2sd %rsi,%xmm1
  subsd  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  jae    L5
  divsd  %xmm1,%xmm2
  movapd %xmm2,%xmm0
L34:
  ret
L5:
  divsd  %xmm0,%xmm0
  ret
```

assistant: ```c
double stdlib_strided_dnanvariancewd(const int64_t N, const double correction, const double *X, const int64_t stride) {
  double delta;
  int64_t ix;
  int64_t n;
  int64_t i;
  double M2;
  double nc;
  double mu;
  double v;
  if (N <= 0) {
    return 0.0 / 0.0;
  }
  if (N == 1 || stride == 0) {
    v = X[0];
    if (v == v && (double)N - correction > 0.0) {
      return 0.0;
    }
    return 0.0 / 0.0;
  }
  if (stride < 0) {
    ix = (1 - N) * stride;
  } else {
    ix = 0;
  }
  M2 = 0.0;
  mu = 0.0;
  n = 0;
  for (i = 0; i < N; i++) {
    v = X[ix];
    if (v == v) {
      delta = v - mu;
      n += 1;
      mu += delta / (double)n;
      M2 += delta * (v - mu);
    }
    ix += stride;
  }
  nc = (double)n - correction;
  if (nc <= 0.0) {
    return 0.0 / 0.0;
  }
  return M2 / nc;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<stdlib_strided_dnanvariancewd>:
  endbr64
  test   %rdi,%rdi
  jle    L84
  cmp    $0x1,%rdi
  je     L57
  test   %rdx,%rdx
  je     L57
  mov    $0x0,%eax
  jns    L50
  mov    $0x1,%eax
  sub    %rdi,%rax
  imul   %rdx,%rax
L50:
  pxor   %xmm5,%xmm5
  lea    (%rsi,%rax,8),%rcx
  shl    $0x3,%rdx
  xor    %eax,%eax
  movapd %xmm5,%xmm2
  movapd %xmm5,%xmm3
  xor    %esi,%esi
  nopl   0x0(%rax,%rax,1)
L62:
  movsd  (%rcx),%xmm1
  ucomisd %xmm1,%xmm1
  jp     L27
  movapd %xmm1,%xmm4
  add    $0x1,%rsi
  pxor   %xmm7,%xmm7
  cvtsi2sd %rsi,%xmm7
  subsd  %xmm2,%xmm4
  movapd %xmm4,%xmm6
  divsd  %xmm7,%xmm6
  addsd  %xmm6,%xmm2
  subsd  %xmm2,%xmm1
  mulsd  %xmm4,%xmm1
  addsd  %xmm1,%xmm3
L27:
  add    $0x1,%rax
  add    %rdx,%rcx
  cmp    %rax,%rdi
  jne    L62
  pxor   %xmm1,%xmm1
  cvtsi2sd %rsi,%xmm1
  subsd  %xmm0,%xmm1
  comisd %xmm1,%xmm5
  jae    L71
  divsd  %xmm1,%xmm3
  movapd %xmm3,%xmm0
L63:
  ret
  nop
L57:
  movsd  (%rsi),%xmm1
  ucomisd %xmm1,%xmm1
  jp     L84
  pxor   %xmm1,%xmm1
  pxor   %xmm5,%xmm5
  cvtsi2sd %rdi,%xmm1
  subsd  %xmm0,%xmm1
  movapd %xmm5,%xmm0
  comisd %xmm5,%xmm1
  ja     L63
L71:
  divsd  %xmm5,%xmm5
  movapd %xmm5,%xmm0
  ret
  xchg   %ax,%ax
L84:
  pxor   %xmm5,%xmm5
  divsd  %xmm5,%xmm5
  movapd %xmm5,%xmm0
  ret
```

assistant: ```c
double stdlib_strided_dnanvariancewd(const int64_t N, const double correction, const double *X, const int64_t stride) {
  double delta;
  int64_t ix;
  int64_t n;
  int64_t i;
  double M2;
  double nc;
  double mu;
  double v;
  if (N <= 0) {
    return 0.0 / 0.0;
  }
  if (N == 1 || stride == 0) {
    v = X[0];
    if (v == v && (double)N - correction > 0.0) {
      return 0.0;
    }
    return 0.0 / 0.0;
  }
  if (stride < 0) {
    ix = (1 - N) * stride;
  } else {
    ix = 0;
  }
  M2 = 0.0;
  mu = 0.0;
  n = 0;
  for (i = 0; i < N; i++) {
    v = X[ix];
    if (v == v) {
      delta = v - mu;
      n += 1;
      mu += delta / (double)n;
      M2 += delta * (v - mu);
    }
    ix += stride;
  }
  nc = (double)n - correction;
  if (nc <= 0.0) {
    return 0.0 / 0.0;
  }
  return M2 / nc;
}
```