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

```asm
<arrayPrint>:
  endbr64
  test   %esi,%esi
  jle    L7
  lea    -0x1(%rsi),%eax
  push   %r12
  lea    0x4(%rdi,%rax,4),%r12
  push   %rbp
  lea    D4(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  xchg   %ax,%ax
L12:
  mov    (%rbx),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x4,%rbx
  call   <printf@plt>
  cmp    %r12,%rbx
  jne    L12
  pop    %rbx
  mov    $0xa,%edi
  pop    %rbp
  pop    %r12
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax,%rax,1)
L7:
  mov    $0xa,%edi
  jmp    1060 <putchar@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D4
type_guessed: string

tool: D4: %i 

assistant: ```c
void arrayPrint(int *arr, int size) {
  for (int i = 0; i < size; i++) {
    printf("%i ", arr[i]);
  }
  printf("\n");
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<arrayPrint>:
  endbr64
  test   %esi,%esi
  jle    L4
  lea    -0x1(%rsi),%eax
  push   %r12
  lea    0x4(%rdi,%rax,4),%r12
  push   %rbp
  lea    D3(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  xchg   %ax,%ax
L16:
  mov    (%rbx),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x4,%rbx
  call   <printf@plt>
  cmp    %r12,%rbx
  jne    L16
  pop    %rbx
  mov    $0xa,%edi
  pop    %rbp
  pop    %r12
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax,%rax,1)
L4:
  mov    $0xa,%edi
  jmp    1060 <putchar@plt>
```

tool_calls: name: unpack_data
arguments: tag: D3
type_infered: string

tool: D3: %i 

assistant: ```c
void arrayPrint(int *arr, int size) {
  for (int i = 0; i < size; i++) {
    printf("%i ", arr[i]);
  }
  printf("\n");
}
```
user: What is the c source code of the assembly code below:

```asm
<__VpuWriteReg>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%eax
  mov    %eax,(%rdx)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void __VpuWriteReg(unsigned int address, unsigned int value) {
  do {
    if (0) {
      nx_printf("[DRV|REG_ACC]");
      nx_printf("write( 0x%08x, 0x%08x )\n", address, value);
    }
  } while (0);
  (*((volatile unsigned int *)(address))) = value;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<__VpuWriteReg>:
  endbr64
  mov    %esi,(%edi)
  ret
```

assistant: ```c
void __VpuWriteReg(unsigned int address, unsigned int value) {
  do {
    if (0) {
      nx_printf("[DRV|REG_ACC]");
      nx_printf("write( 0x%08x, 0x%08x )\n", address, value);
    }
  } while (0);
  (*((volatile unsigned int *)(address))) = value;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<__VpuWriteReg>:
  endbr64
  mov    %esi,(%edi)
  ret
```

assistant: ```c
void __VpuWriteReg(unsigned int address, unsigned int value) {
  do {
    if (0) {
      nx_printf("[DRV|REG_ACC]");
      nx_printf("write( 0x%08x, 0x%08x )\n", address, value);
    }
  } while (0);
  (*((volatile unsigned int *)(address))) = value;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<__VpuWriteReg>:
  endbr64
  mov    %esi,(%edi)
  ret
```

assistant: ```c
void __VpuWriteReg(unsigned int address, unsigned int value) {
  do {
    if (0) {
      nx_printf("[DRV|REG_ACC]");
      nx_printf("write( 0x%08x, 0x%08x )\n", address, value);
    }
  } while (0);
  (*((volatile unsigned int *)(address))) = value;
}
```
user: Translate the below assembly code into C programming language:

```asm
<filesize_str>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    $0xc,%edi
  call   <xmalloc@plt>
  mov    %rax,%rbp
  cmp    $0x3fffffff,%rbx
  ja     L50
  cmp    $0xfffff,%rbx
  ja     L14
  cmp    $0x3ff,%rbx
  jbe    L42
  test   %rbx,%rbx
  js     L127
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L82:
  mulsd  D16(%rip),%xmm0
  lea    D41(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L41
L50:
  test   %rbx,%rbx
  js     L33
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L46:
  mulsd  D68(%rip),%xmm0
  lea    D54(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
L41:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L33:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L46
L14:
  test   %rbx,%rbx
  js     L135
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L45:
  mulsd  D1(%rip),%xmm0
  lea    D45(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L41
L135:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L45
L127:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L82
L42:
  test   %rbx,%rbx
  js     L98
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L137:
  lea    D50(%rip),%rdx
  mov    $0xc,%esi
  mov    %rbp,%rdi
  call   <snprintf@plt>
  jmp    L41
L98:
  mov    %rbx,%rax
  shr    %rax
  and    $0x1,%ebx
  or     %rbx,%rax
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L137
```

tool_calls: name: read_data
arguments: data_tag: D16
type_guessed: byte[8]
name: read_data
arguments: data_tag: D41
type_guessed: string
name: read_data
arguments: data_tag: D68
type_guessed: byte[8]
name: read_data
arguments: data_tag: D54
type_guessed: string
name: read_data
arguments: data_tag: D1
type_guessed: byte[8]
name: read_data
arguments: data_tag: D45
type_guessed: string
name: read_data
arguments: data_tag: D50
type_guessed: string

tool: {"D16": [0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x3f]}

tool: D41: %.2f KiB

tool: {"D68": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x3e]}

tool: D54: %.2f GiB

tool: {"D1": [0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x3e]}

tool: D45: %.2f MiB

tool: D50: %.1f   B

assistant: ```c
char *filesize_str(unsigned long long log_size) {
  char *size = (char *)xmalloc(sizeof(char) * 12);
  if (log_size >= ((1024 * 1024) * 1024))
    snprintf(size, 12, "%.2f GiB", (double)(log_size) / ((1024 * 1024) * 1024));
  else if (log_size >= (1024 * 1024))
    snprintf(size, 12, "%.2f MiB", (double)(log_size) / (1024 * 1024));
  else if (log_size >= 1024)
    snprintf(size, 12, "%.2f KiB", (double)(log_size) / 1024);
  else
    snprintf(size, 12, "%.1f   B", (double)(log_size));
  return size;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<filesize_str>:
  endbr64
  push   %r12
  push   %rbx
  mov    %rdi,%rbx
  mov    $0xc,%edi
  sub    $0x8,%rsp
  call   <xmalloc@plt>
  mov    %rax,%r12
  cmp    $0x3fffffff,%rbx
  ja     L36
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
  cmp    $0xfffff,%rbx
  ja     L37
  cmp    $0x3ff,%rbx
  jbe    L21
  mulsd  D17(%rip),%xmm0
  lea    D62(%rip),%rdx
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L37:
  mulsd  D37(%rip),%xmm0
  lea    D49(%rip),%rdx
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L36:
  test   %rbx,%rbx
  js     L41
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L14:
  mulsd  D31(%rip),%xmm0
  mov    %r12,%rdi
  mov    $0xc,%esi
  lea    D29(%rip),%rdx
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L21:
  lea    D60(%rip),%rdx
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L41:
  mov    %rbx,%rax
  and    $0x1,%ebx
  pxor   %xmm0,%xmm0
  shr    %rax
  or     %rbx,%rax
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L14
```

tool_calls: name: extract_symbolic_data
arguments: tag: D17
type_guessed: byte[8]
name: extract_symbolic_data
arguments: tag: D62
type_guessed: string
name: extract_symbolic_data
arguments: tag: D37
type_guessed: byte[8]
name: extract_symbolic_data
arguments: tag: D49
type_guessed: string
name: extract_symbolic_data
arguments: tag: D31
type_guessed: byte[8]
name: extract_symbolic_data
arguments: tag: D29
type_guessed: string
name: extract_symbolic_data
arguments: tag: D60
type_guessed: string

tool: {"D17": [0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x3f]}

tool: D62: %.2f KiB

tool: {"D37": [0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x3e]}

tool: D49: %.2f MiB

tool: {"D31": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x3e]}

tool: D29: %.2f GiB

tool: D60: %.1f   B

assistant: ```c
char *filesize_str(unsigned long long log_size) {
  char *size = (char *)xmalloc(sizeof(char) * 12);
  if (log_size >= ((1024 * 1024) * 1024))
    snprintf(size, 12, "%.2f GiB", (double)(log_size) / ((1024 * 1024) * 1024));
  else if (log_size >= (1024 * 1024))
    snprintf(size, 12, "%.2f MiB", (double)(log_size) / (1024 * 1024));
  else if (log_size >= 1024)
    snprintf(size, 12, "%.2f KiB", (double)(log_size) / 1024);
  else
    snprintf(size, 12, "%.1f   B", (double)(log_size));
  return size;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<filesize_str>:
  endbr64
  push   %r12
  push   %rbx
  mov    %rdi,%rbx
  mov    $0xc,%edi
  sub    $0x8,%rsp
  call   <xmalloc@plt>
  mov    %rax,%r12
  cmp    $0x3fffffff,%rbx
  ja     L31
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
  cmp    $0xfffff,%rbx
  ja     L49
  cmp    $0x3ff,%rbx
  jbe    L22
  mulsd  D18(%rip),%xmm0
  lea    D24(%rip),%rdx
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L49:
  mulsd  D19(%rip),%xmm0
  lea    D69(%rip),%rdx
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L31:
  test   %rbx,%rbx
  js     L1
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
L20:
  mulsd  D48(%rip),%xmm0
  mov    %r12,%rdi
  mov    $0xc,%esi
  lea    D66(%rip),%rdx
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L22:
  lea    D33(%rip),%rdx
  mov    $0xc,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L1:
  mov    %rbx,%rax
  and    $0x1,%ebx
  pxor   %xmm0,%xmm0
  shr    %rax
  or     %rbx,%rax
  cvtsi2sd %rax,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L20
```

tool_calls: name: read_data
arguments: tag: D18
type_guessed: byte[8]
name: read_data
arguments: tag: D24
type_guessed: string
name: read_data
arguments: tag: D19
type_guessed: byte[8]
name: read_data
arguments: tag: D69
type_guessed: string
name: read_data
arguments: tag: D48
type_guessed: byte[8]
name: read_data
arguments: tag: D66
type_guessed: string
name: read_data
arguments: tag: D33
type_guessed: string

tool: {"D18": [0x00,0x00,0x00,0x00,0x00,0x00,0x50,0x3f]}

tool: D24: %.2f KiB

tool: {"D19": [0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x3e]}

tool: D69: %.2f MiB

tool: {"D48": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x3e]}

tool: D66: %.2f GiB

tool: D33: %.1f   B

assistant: ```c
char *filesize_str(unsigned long long log_size) {
  char *size = (char *)xmalloc(sizeof(char) * 12);
  if (log_size >= ((1024 * 1024) * 1024))
    snprintf(size, 12, "%.2f GiB", (double)(log_size) / ((1024 * 1024) * 1024));
  else if (log_size >= (1024 * 1024))
    snprintf(size, 12, "%.2f MiB", (double)(log_size) / (1024 * 1024));
  else if (log_size >= 1024)
    snprintf(size, 12, "%.2f KiB", (double)(log_size) / 1024);
  else
    snprintf(size, 12, "%.1f   B", (double)(log_size));
  return size;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
L5:
  jmp    L5
```

assistant: ```c
void main(void) {
  do {
  } while (1);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
L0:
  jmp    L0
```

assistant: ```c
void main(void) {
  do {
  } while (1);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  nopl   0x0(%rax)
L1:
  jmp    L1
```

assistant: ```c
void main(void) {
  do {
  } while (1);
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  nopl   0x0(%rax)
L8:
  jmp    L8
```

assistant: ```c
void main(void) {
  do {
  } while (1);
}
```
user: What is the c source code of the assembly code below:

```asm
<strchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  jmp    L7
L21:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L10
  mov    $0x0,%eax
  jmp    L15
L10:
  addq   $0x1,-0x8(%rbp)
L7:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  mov    -0xc(%rbp),%edx
  cmp    %dl,%al
  jne    L21
  mov    -0x8(%rbp),%rax
L15:
  pop    %rbp
  ret
```

assistant: ```c
char *strchr(const char *s, int c) {
  while (*s != (char)c) {
    if (*s == 0)
      return NULL;
    s++;
  }
  return (char *)s;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%eax
  mov    %esi,%edx
  cmp    %sil,%al
  je     L1
L23:
  test   %al,%al
  je     L3
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  cmp    %dl,%al
  jne    L23
  mov    %rdi,%rax
  ret
L1:
  mov    %rdi,%rax
  ret
L3:
  mov    $0x0,%eax
  ret
```

assistant: ```c
char *strchr(const char *s, int c) {
  while (*s != (char)c) {
    if (*s == 0)
      return NULL;
    s++;
  }
  return (char *)s;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%eax
  mov    %esi,%edx
  cmp    %sil,%al
  jne    L17
  jmp    L39
L0:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  cmp    %dl,%al
  je     L39
L17:
  test   %al,%al
  jne    L0
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L39:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strchr(const char *s, int c) {
  while (*s != (char)c) {
    if (*s == 0)
      return NULL;
    s++;
  }
  return (char *)s;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%eax
  mov    %esi,%edx
  cmp    %sil,%al
  jne    L14
  jmp    L27
L25:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  cmp    %dl,%al
  je     L27
L14:
  test   %al,%al
  jne    L25
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L27:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strchr(const char *s, int c) {
  while (*s != (char)c) {
    if (*s == 0)
      return NULL;
    s++;
  }
  return (char *)s;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<predict_4x4_h>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x20(%rbp)
  mov    %r8d,-0x2c(%rbp)
  movl   $0x0,-0x10(%rbp)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%eax
  add    %eax,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    $0xffffffff,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  imul   $0x1010101,%eax,%edx
  mov    -0x10(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  mov    -0x1c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  imul   $0x1010101,%eax,%edx
  mov    -0xc(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  mov    -0x1c(%rbp),%eax
  add    %eax,%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  imul   $0x1010101,%eax,%edx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  mov    -0x1c(%rbp),%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  imul   $0x1010101,%eax,%edx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    %edx,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void predict_4x4_h(unsigned char *src, unsigned int src_stride, unsigned char *dst, unsigned int dst_stride, int neighbour) {
  const int dst_row_0 = 0;
  const int dst_row_1 = dst_stride;
  const int dst_row_2 = dst_stride * 2;
  const int dst_row_3 = dst_row_1 + dst_row_2;
  *(unsigned int *)&dst[dst_row_0] = src[0 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_1] = src[1 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_2] = src[2 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_3] = src[3 * src_stride - 1] * 0x01010101;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<predict_4x4_h>:
  endbr64
  mov    %ecx,%eax
  lea    (%rcx,%rcx,1),%r9d
  mov    $0xffffffff,%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx)
  movslq %eax,%r8
  lea    -0x1(%rsi),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%r8,1)
  movslq %r9d,%r10
  lea    (%rsi,%rsi,1),%r8d
  lea    -0x1(%r8),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%r10,1)
  add    %r9d,%eax
  cltq
  lea    -0x1(%rsi,%r8,1),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%rax,1)
  ret
```

assistant: ```c
void predict_4x4_h(unsigned char *src, unsigned int src_stride, unsigned char *dst, unsigned int dst_stride, int neighbour) {
  const int dst_row_0 = 0;
  const int dst_row_1 = dst_stride;
  const int dst_row_2 = dst_stride * 2;
  const int dst_row_3 = dst_row_1 + dst_row_2;
  *(unsigned int *)&dst[dst_row_0] = src[0 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_1] = src[1 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_2] = src[2 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_3] = src[3 * src_stride - 1] * 0x01010101;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<predict_4x4_h>:
  endbr64
  movslq %ecx,%r8
  mov    $0xffffffff,%ecx
  movzbl (%rdi,%rcx,1),%ecx
  lea    (%r8,%r8,1),%r9d
  mov    %r8,%rax
  movslq %r9d,%r10
  add    %r9d,%eax
  imul   $0x1010101,%ecx,%ecx
  cltq
  mov    %ecx,(%rdx)
  lea    -0x1(%rsi),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%r8,1)
  lea    (%rsi,%rsi,1),%r8d
  lea    -0x1(%r8),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%r10,1)
  lea    -0x1(%rsi,%r8,1),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%rax,1)
  ret
```

assistant: ```c
void predict_4x4_h(unsigned char *src, unsigned int src_stride, unsigned char *dst, unsigned int dst_stride, int neighbour) {
  const int dst_row_0 = 0;
  const int dst_row_1 = dst_stride;
  const int dst_row_2 = dst_stride * 2;
  const int dst_row_3 = dst_row_1 + dst_row_2;
  *(unsigned int *)&dst[dst_row_0] = src[0 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_1] = src[1 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_2] = src[2 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_3] = src[3 * src_stride - 1] * 0x01010101;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<predict_4x4_h>:
  endbr64
  movslq %ecx,%r8
  mov    $0xffffffff,%ecx
  movzbl (%rdi,%rcx,1),%ecx
  lea    (%r8,%r8,1),%r9d
  mov    %r8,%rax
  movslq %r9d,%r10
  add    %r9d,%eax
  imul   $0x1010101,%ecx,%ecx
  cltq
  mov    %ecx,(%rdx)
  lea    -0x1(%rsi),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%r8,1)
  lea    (%rsi,%rsi,1),%r8d
  lea    -0x1(%r8),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%r10,1)
  lea    -0x1(%rsi,%r8,1),%ecx
  movzbl (%rdi,%rcx,1),%ecx
  imul   $0x1010101,%ecx,%ecx
  mov    %ecx,(%rdx,%rax,1)
  ret
```

assistant: ```c
void predict_4x4_h(unsigned char *src, unsigned int src_stride, unsigned char *dst, unsigned int dst_stride, int neighbour) {
  const int dst_row_0 = 0;
  const int dst_row_1 = dst_stride;
  const int dst_row_2 = dst_stride * 2;
  const int dst_row_3 = dst_row_1 + dst_row_2;
  *(unsigned int *)&dst[dst_row_0] = src[0 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_1] = src[1 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_2] = src[2 * src_stride - 1] * 0x01010101;
  *(unsigned int *)&dst[dst_row_3] = src[3 * src_stride - 1] * 0x01010101;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<fluid_decode>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  cmpl   $0x7,-0x1c(%rbp)
  jle    L37
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x89,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x50,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  cmp    $0x4e,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  cmp    $0x47,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  movzbl (%rax),%eax
  cmp    $0xd,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x5,%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x6,%rax
  movzbl (%rax),%eax
  cmp    $0x1a,%al
  jne    L37
  mov    -0x8(%rbp),%rax
  add    $0x7,%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  jne    L37
  mov    -0x1c(%rbp),%eax
  lea    -0x8(%rax),%esi
  mov    -0x8(%rbp),%rax
  lea    0x8(%rax),%rdi
  mov    -0x30(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rax,%rdx
  call   <png_decode@plt>
  jmp    L27
L37:
  cmpl   $0x0,-0x1c(%rbp)
  jle    L153
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xff,%al
  jne    L153
  mov    -0x30(%rbp),%rcx
  mov    -0x28(%rbp),%rdx
  mov    -0x1c(%rbp),%esi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <jpeg_decode@plt>
  jmp    L27
L153:
  cmpl   $0x3,-0x1c(%rbp)
  jle    L100
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x38,%al
  jne    L100
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x42,%al
  jne    L100
  mov    -0x8(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  cmp    $0x50,%al
  jne    L100
  mov    -0x8(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  cmp    $0x53,%al
  jne    L100
  mov    -0x1c(%rbp),%eax
  lea    -0x4(%rax),%esi
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rdi
  mov    -0x30(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rax,%rdx
  call   <psd_decode@plt>
  jmp    L27
L100:
  mov    $0x0,%eax
L27:
  leave
  ret
```

assistant: ```c
char *fluid_decode(const char *_data, int size, int *width, int *height) {
  const unsigned char *data = _data;
  if (size >= 8) {
    if (data[0] == 137 && data[1] == 80 && data[2] == 78 && data[3] == 71 && data[4] == 13 && data[5] == 10 && data[6] == 26 && data[7] == 10)
      return png_decode(data + 8, size - 8, width, height);
  }
  if (size >= 1) {
    if (data[0] == 0xFF)
      return jpeg_decode(data, size, width, height);
  }
  if (size >= 4) {
    if (data[0] == '8' && data[1] == 'B' && data[2] == 'P' && data[3] == 'S')
      return psd_decode(data + 4, size - 4, width, height);
  }
  return NULL;
}
```