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

```asm
<my_strcat>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <my_strlen@plt>
  movzbl (%rbx),%ecx
  test   %cl,%cl
  je     L0
  movslq %eax,%rsi
  mov    $0x1,%edx
  add    %r12,%rsi
  nopl   0x0(%rax,%rax,1)
L9:
  mov    %cl,-0x1(%rsi,%rdx,1)
  mov    %edx,%r8d
  add    $0x1,%rdx
  movzbl -0x1(%rbx,%rdx,1),%ecx
  test   %cl,%cl
  jne    L9
  add    %r8d,%eax
L0:
  cltq
  movb   $0x0,(%r12,%rax,1)
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
char *my_strcat(char *dest, char *src) {
  int i;
  int count;
  i = 0;
  count = my_strlen(dest);
  while (src[i] != 0) {
    dest[count + i] = src[i];
    i++;
  }
  dest[count + i] = 0;
  return dest;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<laplacian>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %esi,-0xc(%rsp)
  mov    %edx,%eax
  cmp    $0x2,%edx
  jle    L64
  mov    %edi,%ebx
  mov    %esi,%edi
  mov    %rcx,%rdx
  mov    %r8,%r9
  imul   %ebx,%esi
  mov    %esi,-0x14(%rsp)
  lea    (%rsi,%rsi,1),%ecx
  mov    %ecx,-0x1c(%rsp)
  sub    $0x1,%eax
  mov    %eax,-0x10(%rsp)
  mov    %esi,-0x20(%rsp)
  movl   $0x0,-0x18(%rsp)
  movl   $0x1,-0x24(%rsp)
  lea    -0x1(%rdi),%r14d
  lea    -0x3(%rbx),%eax
  add    $0x1,%rax
  mov    %rax,-0x8(%rsp)
  jmp    L77
L42:
  movslq %r11d,%rcx
  lea    (%rcx,%r13,1),%rax
  shl    $0x3,%rax
  lea    (%r15,%rcx,1),%r10
  shl    $0x3,%r10
  neg    %rcx
  shl    $0x3,%rcx
  lea    (%rbx,%r11,1),%esi
  movslq %esi,%rsi
  lea    (%rcx,%rsi,8),%rsi
  add    %rdx,%rsi
  mov    %r11d,%ebp
  sub    %ebx,%ebp
  movslq %ebp,%rbp
  lea    (%rcx,%rbp,8),%rcx
  add    %rdx,%rcx
L13:
  movsd  0x10(%rdx,%rax,1),%xmm2
  addsd  (%rdx,%rax,1),%xmm2
  addsd  0x8(%rsi,%rax,1),%xmm2
  addsd  0x8(%rcx,%rax,1),%xmm2
  addsd  0x8(%r8,%rax,1),%xmm2
  addsd  0x8(%rdi,%rax,1),%xmm2
  mulsd  %xmm1,%xmm2
  movapd %xmm0,%xmm3
  mulsd  0x8(%rdx,%rax,1),%xmm3
  addsd  %xmm3,%xmm2
  movsd  %xmm2,0x8(%r9,%rax,1)
  add    $0x8,%rax
  cmp    %r10,%rax
  jne    L13
L14:
  add    $0x1,%r12d
  add    %ebx,%r11d
  cmp    %r14d,%r12d
  je     L20
L71:
  cmp    $0x2,%ebx
  jg     L42
  jmp    L14
L20:
  addl   $0x1,-0x24(%rsp)
  mov    -0x24(%rsp),%eax
  mov    -0x14(%rsp),%edi
  add    %edi,-0x20(%rsp)
  add    %edi,-0x1c(%rsp)
  add    %edi,-0x18(%rsp)
  cmp    -0x10(%rsp),%eax
  je     L64
L77:
  cmpl   $0x2,-0xc(%rsp)
  jle    L20
  movslq -0x20(%rsp),%r13
  mov    %r13,%rax
  neg    %rax
  shl    $0x3,%rax
  movslq -0x1c(%rsp),%rcx
  lea    (%rax,%rcx,8),%r8
  add    %rdx,%r8
  movslq -0x18(%rsp),%rcx
  lea    (%rax,%rcx,8),%rdi
  add    %rdx,%rdi
  mov    %ebx,%r11d
  mov    $0x1,%r12d
  mov    -0x8(%rsp),%rax
  lea    (%rax,%r13,1),%r15
  jmp    L71
L64:
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int laplacian(int nx, int ny, int ns, const double alpha, const double beta, double *w0, double *w1) {
  int i, j, k;
  unsigned int szarray = (unsigned int)nx * ny * ns;
#pragma acc data present(w0 [0:szarray], w1 [0:szarray])
  {
#pragma acc kernels
    {
#pragma acc loop independent vector(2)
      for (k = 1; k < ns - 1; k++) {
#pragma acc loop independent gang(1) vector(128)
        for (j = 1; j < ny - 1; j++) {
#pragma acc loop independent gang(126)
          for (i = 1; i < nx - 1; i++) {
            (w1[(i) + nx * (j) + nx * ny * (k)]) = alpha * (w0[(i) + nx * (j) + nx * ny * (k)]) + beta * ((w0[(i + 1) + nx * (j) + nx * ny * (k)]) + (w0[(i - 1) + nx * (j) + nx * ny * (k)]) + (w0[(i) + nx * (j + 1) + nx * ny * (k)]) + (w0[(i) + nx * (j - 1) + nx * ny * (k)]) + (w0[(i) + nx * (j) + nx * ny * (k + 1)]) + (w0[(i) + nx * (j) + nx * ny * (k - 1)]));
          }
        }
      }
    }
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<laplacian>:
  endbr64
  push   %r15
  lea    -0x1(%rdx),%eax
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %eax,-0xc(%rsp)
  cmp    $0x1,%eax
  jle    L9
  mov    %esi,%eax
  movl   $0x0,-0x1c(%rsp)
  mov    %esi,%r14d
  mov    %edi,%ebp
  imul   %edi,%eax
  mov    %rcx,%rdx
  mov    %r8,%r9
  sub    $0x1,%r14d
  movl   $0x1,-0x20(%rsp)
  lea    (%rax,%rax,1),%ebx
  mov    %eax,-0x10(%rsp)
  mov    %eax,-0x14(%rsp)
  lea    -0x3(%rdi),%eax
  add    $0x1,%rax
  mov    %ebx,-0x18(%rsp)
  mov    %rax,-0x8(%rsp)
  nopl   (%rax)
L51:
  cmp    $0x1,%r14d
  jle    L56
  movslq -0x14(%rsp),%r13
  movslq -0x18(%rsp),%rcx
  mov    %ebp,%r11d
  mov    $0x1,%ebx
  mov    %r13,%rax
  neg    %rax
  shl    $0x3,%rax
  lea    (%rax,%rcx,8),%r8
  movslq -0x1c(%rsp),%rcx
  add    %rdx,%r8
  lea    (%rax,%rcx,8),%rdi
  mov    -0x8(%rsp),%rax
  add    %rdx,%rdi
  lea    (%rax,%r13,1),%r15
  nopw   0x0(%rax,%rax,1)
L44:
  add    $0x1,%ebx
  lea    0x0(%rbp,%r11,1),%r12d
  cmp    $0x2,%ebp
  jle    L3
  movslq %r11d,%rcx
  lea    0x0(%rbp,%r11,1),%r12d
  sub    %ebp,%r11d
  lea    (%rcx,%r13,1),%rax
  lea    (%r15,%rcx,1),%r10
  neg    %rcx
  movslq %r12d,%rsi
  shl    $0x3,%rcx
  movslq %r11d,%r11
  shl    $0x3,%rax
  lea    (%rcx,%rsi,8),%rsi
  lea    (%rcx,%r11,8),%rcx
  shl    $0x3,%r10
  add    %rdx,%rsi
  add    %rdx,%rcx
  nop
L49:
  movsd  0x10(%rdx,%rax,1),%xmm2
  addsd  (%rdx,%rax,1),%xmm2
  addsd  0x8(%rsi,%rax,1),%xmm2
  addsd  0x8(%rcx,%rax,1),%xmm2
  addsd  0x8(%r8,%rax,1),%xmm2
  addsd  0x8(%rdi,%rax,1),%xmm2
  movsd  0x8(%rdx,%rax,1),%xmm3
  mulsd  %xmm1,%xmm2
  mulsd  %xmm0,%xmm3
  addsd  %xmm3,%xmm2
  movsd  %xmm2,0x8(%r9,%rax,1)
  add    $0x8,%rax
  cmp    %r10,%rax
  jne    L49
L3:
  mov    %r12d,%r11d
  cmp    %ebx,%r14d
  jne    L44
L56:
  mov    -0x10(%rsp),%ebx
  addl   $0x1,-0x20(%rsp)
  add    %ebx,-0x14(%rsp)
  mov    -0x20(%rsp),%eax
  add    %ebx,-0x18(%rsp)
  add    %ebx,-0x1c(%rsp)
  cmp    -0xc(%rsp),%eax
  jne    L51
L9:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int laplacian(int nx, int ny, int ns, const double alpha, const double beta, double *w0, double *w1) {
  int i, j, k;
  unsigned int szarray = (unsigned int)nx * ny * ns;
#pragma acc data present(w0 [0:szarray], w1 [0:szarray])
  {
#pragma acc kernels
    {
#pragma acc loop independent vector(2)
      for (k = 1; k < ns - 1; k++) {
#pragma acc loop independent gang(1) vector(128)
        for (j = 1; j < ny - 1; j++) {
#pragma acc loop independent gang(126)
          for (i = 1; i < nx - 1; i++) {
            (w1[(i) + nx * (j) + nx * ny * (k)]) = alpha * (w0[(i) + nx * (j) + nx * ny * (k)]) + beta * ((w0[(i + 1) + nx * (j) + nx * ny * (k)]) + (w0[(i - 1) + nx * (j) + nx * ny * (k)]) + (w0[(i) + nx * (j + 1) + nx * ny * (k)]) + (w0[(i) + nx * (j - 1) + nx * ny * (k)]) + (w0[(i) + nx * (j) + nx * ny * (k + 1)]) + (w0[(i) + nx * (j) + nx * ny * (k - 1)]));
          }
        }
      }
    }
  }
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<local_then_config_fopen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x130,%rsp
  mov    %rdi,-0x128(%rbp)
  mov    %rsi,-0x130(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x130(%rbp),%rdx
  mov    -0x128(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x118(%rbp)
  cmpq   $0x0,-0x118(%rbp)
  jne    L13
  mov    -0x128(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <make_config_dir_name@plt>
  lea    -0x110(%rbp),%rax
  lea    D1(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x118(%rbp)
L13:
  mov    -0x118(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D1
data_type: string

tool: D1: rb

assistant: ```c
FILE *local_then_config_fopen(const char *filename, const char *permits) {
  FILE *rval = fopen(filename, permits);
  if (!rval) {
    char ext_filename[255];
    make_config_dir_name(ext_filename, filename);
    rval = fopen(ext_filename, "rb");
  }
  return (rval);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<local_then_config_fopen>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x118,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  test   %rax,%rax
  je     L6
L12:
  mov    0x108(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x118,%rsp
  pop    %rbx
  pop    %rbp
  ret
L6:
  mov    %rsp,%rbp
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <make_config_dir_name@plt>
  lea    D5(%rip),%rsi
  mov    %rbp,%rdi
  call   <fopen@plt>
  jmp    L12
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D5
type_guessed: string

tool: D5: rb

assistant: ```c
FILE *local_then_config_fopen(const char *filename, const char *permits) {
  FILE *rval = fopen(filename, permits);
  if (!rval) {
    char ext_filename[255];
    make_config_dir_name(ext_filename, filename);
    rval = fopen(ext_filename, "rb");
  }
  return (rval);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<local_then_config_fopen>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  test   %rax,%rax
  je     L15
L19:
  mov    0x108(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L27
  add    $0x118,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L15:
  mov    %rsp,%r12
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <make_config_dir_name@plt>
  lea    D4(%rip),%rsi
  mov    %r12,%rdi
  call   <fopen@plt>
  jmp    L19
L27:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D4
type_infered: string

tool: D4: rb

assistant: ```c
FILE *local_then_config_fopen(const char *filename, const char *permits) {
  FILE *rval = fopen(filename, permits);
  if (!rval) {
    char ext_filename[255];
    make_config_dir_name(ext_filename, filename);
    rval = fopen(ext_filename, "rb");
  }
  return (rval);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<local_then_config_fopen>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  test   %rax,%rax
  je     L3
L14:
  mov    0x108(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L23
  add    $0x118,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L3:
  mov    %rsp,%r12
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <make_config_dir_name@plt>
  lea    D8(%rip),%rsi
  mov    %r12,%rdi
  call   <fopen@plt>
  jmp    L14
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D8
datatype: string

tool: D8: rb

assistant: ```c
FILE *local_then_config_fopen(const char *filename, const char *permits) {
  FILE *rval = fopen(filename, permits);
  if (!rval) {
    char ext_filename[255];
    make_config_dir_name(ext_filename, filename);
    rval = fopen(ext_filename, "rb");
  }
  return (rval);
}
```
user: What is the c source code of the assembly code below:

```asm
<M135_f>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <debug@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <debug@plt>
  mov    $0x1,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D14
datatype: string
name: retrieve_data
arguments: label: D15
datatype: string

tool: D14: M135_f(const char *s) is not yet implemented!


tool: D15: %s


assistant: ```c
int M135_f(char *s) {
  debug("M135_f(const char *s) is not yet implemented!\n");
  debug("%s\n", s);
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<M135_f>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  lea    D1(%rip),%rdi
  mov    $0x0,%eax
  call   <debug@plt>
  mov    %rbx,%rsi
  lea    D15(%rip),%rdi
  mov    $0x0,%eax
  call   <debug@plt>
  mov    $0x1,%eax
  pop    %rbx
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D1
datatype: string
name: retrieve_data
arguments: data_label: D15
datatype: string

tool: D1: M135_f(const char *s) is not yet implemented!


tool: D15: %s


assistant: ```c
int M135_f(char *s) {
  debug("M135_f(const char *s) is not yet implemented!\n");
  debug("%s\n", s);
  return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<M135_f>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  mov    %rdi,%rbp
  lea    D10(%rip),%rdi
  call   <debug@plt>
  mov    %rbp,%rsi
  lea    D17(%rip),%rdi
  xor    %eax,%eax
  call   <debug@plt>
  mov    $0x1,%eax
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: label: D10
type_infered: string
name: parse_data
arguments: label: D17
type_infered: string

tool: D10: M135_f(const char *s) is not yet implemented!


tool: D17: %s


assistant: ```c
int M135_f(char *s) {
  debug("M135_f(const char *s) is not yet implemented!\n");
  debug("%s\n", s);
  return 1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<M135_f>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  mov    %rdi,%rbp
  lea    D8(%rip),%rdi
  call   <debug@plt>
  mov    %rbp,%rsi
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  call   <debug@plt>
  mov    $0x1,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: label: D8
datatype: string
name: unpack_data
arguments: label: D13
datatype: string

tool: D8: M135_f(const char *s) is not yet implemented!


tool: D13: %s


assistant: ```c
int M135_f(char *s) {
  debug("M135_f(const char *s) is not yet implemented!\n");
  debug("%s\n", s);
  return 1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<duffsDevice>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  add    $0x7,%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x24(%rbp),%eax
  cltd
  shr    $0x1d,%edx
  add    %edx,%eax
  and    $0x7,%eax
  sub    %edx,%eax
  cmp    $0x7,%eax
  ja     L6
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D15(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D15(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
L18:
  nop
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  subl   $0x1,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jg     L18
L6:
  mov    -0x24(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int duffsDevice(char *from, char *to, int count) {
  {
    int n = (count + 7) / 8;
    switch (count % 8) {
    case 0:
      do {
        *to++ = *from++;
      case 7:
        *to++ = *from++;
      case 6:
        *to++ = *from++;
      case 5:
        *to++ = *from++;
      case 4:
        *to++ = *from++;
      case 3:
        *to++ = *from++;
      case 2:
        *to++ = *from++;
      case 1:
        *to++ = *from++;
      } while (--n > 0);
    }
  }
  return count;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<duffsDevice>:
  endbr64
  mov    %rdi,%rcx
  mov    %rsi,%rax
  mov    %edx,%esi
  lea    0xe(%rdx),%edi
  add    $0x7,%edx
  cmovns %edx,%edi
  sar    $0x3,%edi
  mov    %esi,%r8d
  sar    $0x1f,%r8d
  shr    $0x1d,%r8d
  lea    (%rsi,%r8,1),%edx
  and    $0x7,%edx
  sub    %r8d,%edx
  cmp    $0x7,%edx
  ja     L53
  mov    %edx,%edx
  lea    D1(%rip),%r8
  movslq (%r8,%rdx,4),%rdx
  add    %r8,%rdx
  notrack jmp *%rdx
L5:
  movzbl (%rcx),%edx
  mov    %dl,(%rax)
  lea    0x1(%rax),%rax
  lea    0x1(%rcx),%rcx
  lea    0x1(%rcx),%r8
  lea    0x1(%rax),%rdx
  movzbl (%rcx),%ecx
  mov    %cl,(%rax)
L8:
  lea    0x1(%r8),%rcx
  lea    0x1(%rdx),%rax
  movzbl (%r8),%r8d
  mov    %r8b,(%rdx)
  lea    0x1(%rcx),%r8
  lea    0x1(%rax),%rdx
  movzbl (%rcx),%ecx
  mov    %cl,(%rax)
L31:
  lea    0x1(%r8),%rcx
  lea    0x1(%rdx),%rax
  movzbl (%r8),%r8d
  mov    %r8b,(%rdx)
  lea    0x1(%rcx),%r8
  lea    0x1(%rax),%rdx
  movzbl (%rcx),%ecx
  mov    %cl,(%rax)
L25:
  movzbl (%r8),%eax
  mov    %al,(%rdx)
  sub    $0x1,%edi
  test   %edi,%edi
  jle    L53
  lea    0x1(%r8),%rcx
  lea    0x1(%rdx),%rax
  movzbl (%rcx),%edx
  mov    %dl,(%rax)
  lea    0x1(%rax),%rax
  lea    0x1(%rcx),%rcx
  jmp    L5
  mov    %rax,%rdx
  mov    %rcx,%r8
  jmp    L8
  mov    %rax,%rdx
  mov    %rcx,%r8
  jmp    L31
  mov    %rax,%rdx
  mov    %rcx,%r8
  jmp    L25
L53:
  mov    %esi,%eax
  ret
```

assistant: ```c
int duffsDevice(char *from, char *to, int count) {
  {
    int n = (count + 7) / 8;
    switch (count % 8) {
    case 0:
      do {
        *to++ = *from++;
      case 7:
        *to++ = *from++;
      case 6:
        *to++ = *from++;
      case 5:
        *to++ = *from++;
      case 4:
        *to++ = *from++;
      case 3:
        *to++ = *from++;
      case 2:
        *to++ = *from++;
      case 1:
        *to++ = *from++;
      } while (--n > 0);
    }
  }
  return count;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<duffsDevice>:
  endbr64
  mov    %edx,%r8d
  mov    %rdi,%rcx
  mov    %rsi,%rax
  mov    %r8d,%edi
  lea    0xe(%rdx),%esi
  add    $0x7,%edx
  cmovns %edx,%esi
  sar    $0x1f,%edi
  shr    $0x1d,%edi
  lea    (%r8,%rdi,1),%edx
  sar    $0x3,%esi
  and    $0x7,%edx
  sub    %edi,%edx
  cmp    $0x7,%edx
  ja     L4
  lea    D6(%rip),%rdi
  movslq (%rdi,%rdx,4),%rdx
  add    %rdi,%rdx
  notrack jmp *%rdx
  nopl   (%rax)
  movzbl (%rcx),%edx
  add    $0x1,%rax
  add    $0x1,%rcx
  mov    %dl,-0x1(%rax)
L22:
  lea    0x1(%rcx),%rdi
  movzbl (%rcx),%ecx
  lea    0x1(%rax),%rdx
  mov    %cl,(%rax)
L17:
  lea    0x1(%rdi),%rcx
  movzbl (%rdi),%edi
  lea    0x1(%rdx),%rax
  mov    %dil,(%rdx)
  movzbl (%rcx),%edx
  lea    0x1(%rcx),%r10
  lea    0x1(%rax),%r9
  mov    %dl,(%rax)
L58:
  movzbl (%r10),%eax
  lea    0x1(%r10),%rdi
  lea    0x1(%r9),%rdx
  mov    %al,(%r9)
L3:
  lea    0x1(%rdi),%rcx
  movzbl (%rdi),%edi
  lea    0x1(%rdx),%rax
  mov    %dil,(%rdx)
  movzbl (%rcx),%edx
  sub    $0x1,%esi
  mov    %dl,(%rax)
  test   %esi,%esi
  jle    L4
  add    $0x1,%rcx
  add    $0x1,%rax
  movzbl (%rcx),%edx
  add    $0x1,%rcx
  add    $0x1,%rax
  mov    %dl,-0x1(%rax)
  movzbl (%rcx),%edx
  add    $0x1,%rcx
  mov    %dl,(%rax)
  add    $0x1,%rax
  jmp    L22
  nopl   0x0(%rax)
L4:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
  mov    %rax,%rdx
  mov    %rcx,%rdi
  jmp    L17
  mov    %rax,%rdx
  mov    %rcx,%rdi
  jmp    L3
  nopl   0x0(%rax,%rax,1)
  mov    %rax,%r9
  mov    %rcx,%r10
  jmp    L58
```

assistant: ```c
int duffsDevice(char *from, char *to, int count) {
  {
    int n = (count + 7) / 8;
    switch (count % 8) {
    case 0:
      do {
        *to++ = *from++;
      case 7:
        *to++ = *from++;
      case 6:
        *to++ = *from++;
      case 5:
        *to++ = *from++;
      case 4:
        *to++ = *from++;
      case 3:
        *to++ = *from++;
      case 2:
        *to++ = *from++;
      case 1:
        *to++ = *from++;
      } while (--n > 0);
    }
  }
  return count;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<duffsDevice>:
  endbr64
  mov    %edx,%r8d
  mov    %rdi,%rcx
  mov    %rsi,%rax
  mov    %r8d,%edi
  lea    0xe(%rdx),%esi
  add    $0x7,%edx
  cmovns %edx,%esi
  sar    $0x1f,%edi
  shr    $0x1d,%edi
  lea    (%r8,%rdi,1),%edx
  sar    $0x3,%esi
  and    $0x7,%edx
  sub    %edi,%edx
  cmp    $0x7,%edx
  ja     L46
  lea    D1(%rip),%rdi
  movslq (%rdi,%rdx,4),%rdx
  add    %rdi,%rdx
  notrack jmp *%rdx
  nopl   (%rax)
  movzbl (%rcx),%edx
  add    $0x1,%rax
  add    $0x1,%rcx
  mov    %dl,-0x1(%rax)
L39:
  lea    0x1(%rcx),%rdi
  movzbl (%rcx),%ecx
  lea    0x1(%rax),%rdx
  mov    %cl,(%rax)
L54:
  lea    0x1(%rdi),%rcx
  movzbl (%rdi),%edi
  lea    0x1(%rdx),%rax
  mov    %dil,(%rdx)
  movzbl (%rcx),%edx
  lea    0x1(%rcx),%r10
  lea    0x1(%rax),%r9
  mov    %dl,(%rax)
L59:
  movzbl (%r10),%eax
  lea    0x1(%r10),%rdi
  lea    0x1(%r9),%rdx
  mov    %al,(%r9)
L43:
  lea    0x1(%rdi),%rcx
  movzbl (%rdi),%edi
  lea    0x1(%rdx),%rax
  mov    %dil,(%rdx)
  movzbl (%rcx),%edx
  sub    $0x1,%esi
  mov    %dl,(%rax)
  test   %esi,%esi
  jle    L46
  add    $0x1,%rcx
  add    $0x1,%rax
  movzbl (%rcx),%edx
  add    $0x1,%rcx
  add    $0x1,%rax
  mov    %dl,-0x1(%rax)
  movzbl (%rcx),%edx
  add    $0x1,%rcx
  mov    %dl,(%rax)
  add    $0x1,%rax
  jmp    L39
  nopl   0x0(%rax)
L46:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
  mov    %rax,%rdx
  mov    %rcx,%rdi
  jmp    L54
  mov    %rax,%rdx
  mov    %rcx,%rdi
  jmp    L43
  nopl   0x0(%rax,%rax,1)
  mov    %rax,%r9
  mov    %rcx,%r10
  jmp    L59
```

assistant: ```c
int duffsDevice(char *from, char *to, int count) {
  {
    int n = (count + 7) / 8;
    switch (count % 8) {
    case 0:
      do {
        *to++ = *from++;
      case 7:
        *to++ = *from++;
      case 6:
        *to++ = *from++;
      case 5:
        *to++ = *from++;
      case 4:
        *to++ = *from++;
      case 3:
        *to++ = *from++;
      case 2:
        *to++ = *from++;
      case 1:
        *to++ = *from++;
      } while (--n > 0);
    }
  }
  return count;
}
```