ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<pr_conversion>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  lea    0x1(%rdi),%r12
  mov    %r12,%rsi
  mov    $0x28,%edi
  mov    $0x0,%eax
  call   <find@plt>
  lea    0x1(%rax),%r13
  movb   $0x0,(%rax)
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <match_bracket@plt>
  mov    %rax,%rbx
  movb   $0x0,(%rax)
  cmpb   $0x24,0x1(%rbp)
  je     L19
  mov    $0x4,%edx
  lea    D11(%rip),%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L16
  mov    %r13,%rsi
  lea    D8(%rip),%rdi
  call   <printf@plt>
L29:
  lea    0x1(%rbx),%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L19:
  mov    %r13,%rsi
  lea    D6(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L29
L16:
  mov    %r13,%rdx
  mov    %r12,%rsi
  lea    D15(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L29
```

tool_calls: name: disassemble_data
arguments: data_label: D11
type_guessed: string
name: disassemble_data
arguments: data_label: D8
type_guessed: string
name: disassemble_data
arguments: data_label: D6
type_guessed: string
name: disassemble_data
arguments: data_label: D15
type_guessed: string

tool: D11: dist

tool: D8: dist( %s);

tool: D6: eval( %s);

tool: D15: fprint( outfile, "%%%s", %s);

assistant: ```c
char *pr_conversion(str)
char *str;
{
  char *start, *ptr, *match_bracket(), *find();
  start = find('(', str + 1);
  *start++ = '\0';
  ptr = match_bracket(start);
  *ptr = '\0';
  if (*(str + 1) == '$')
    printf("eval( %s);", start);
  else if (strncmp(str + 1, "dist", 4) == 0)
    printf("dist( %s);", start);
  else
    printf("fprint( outfile, \"%%%s\", %s);", str + 1, start);
  return (ptr + 1);
}
```
user: What is the c source code of the assembly code below:

```asm
<pr_conversion>:
  endbr64
  push   %r13
  xor    %eax,%eax
  push   %r12
  lea    0x1(%rdi),%r12
  push   %rbp
  mov    %r12,%rsi
  mov    %rdi,%rbp
  mov    $0x28,%edi
  push   %rbx
  sub    $0x8,%rsp
  call   <find@plt>
  movb   $0x0,(%rax)
  lea    0x1(%rax),%r13
  xor    %eax,%eax
  mov    %r13,%rdi
  call   <match_bracket@plt>
  movb   $0x0,(%rax)
  cmpb   $0x24,0x1(%rbp)
  mov    %rax,%rbx
  je     L13
  mov    $0x4,%edx
  lea    D8(%rip),%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L14
  mov    %r13,%rdx
  mov    %r12,%rsi
  lea    D10(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L14:
  mov    %r13,%rsi
  lea    D34(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  xchg   %ax,%ax
L13:
  mov    %r13,%rsi
  lea    D11(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
type: string
name: disassemble_data
arguments: data_tag: D10
type: string
name: disassemble_data
arguments: data_tag: D34
type: string
name: disassemble_data
arguments: data_tag: D11
type: string

tool: D8: dist

tool: D10: fprint( outfile, "%%%s", %s);

tool: D34: dist( %s);

tool: D11: eval( %s);

assistant: ```c
char *pr_conversion(str)
char *str;
{
  char *start, *ptr, *match_bracket(), *find();
  start = find('(', str + 1);
  *start++ = '\0';
  ptr = match_bracket(start);
  *ptr = '\0';
  if (*(str + 1) == '$')
    printf("eval( %s);", start);
  else if (strncmp(str + 1, "dist", 4) == 0)
    printf("dist( %s);", start);
  else
    printf("fprint( outfile, \"%%%s\", %s);", str + 1, start);
  return (ptr + 1);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<pr_conversion>:
  endbr64
  push   %r13
  xor    %eax,%eax
  push   %r12
  lea    0x1(%rdi),%r12
  push   %rbp
  mov    %r12,%rsi
  mov    %rdi,%rbp
  mov    $0x28,%edi
  push   %rbx
  sub    $0x8,%rsp
  call   <find@plt>
  movb   $0x0,(%rax)
  lea    0x1(%rax),%r13
  xor    %eax,%eax
  mov    %r13,%rdi
  call   <match_bracket@plt>
  movb   $0x0,(%rax)
  cmpb   $0x24,0x1(%rbp)
  mov    %rax,%rbx
  je     L1
  mov    $0x4,%edx
  lea    D8(%rip),%rsi
  mov    %r12,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L2
  mov    %r13,%rdx
  mov    %r12,%rsi
  lea    D5(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L2:
  mov    %r13,%rsi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  xchg   %ax,%ax
L1:
  mov    %r13,%rsi
  lea    D10(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  add    $0x8,%rsp
  lea    0x1(%rbx),%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D8
type_guessed: string
name: disassemble_data
arguments: data_tag: D5
type_guessed: string
name: disassemble_data
arguments: data_tag: D1
type_guessed: string
name: disassemble_data
arguments: data_tag: D10
type_guessed: string

tool: D8: dist

tool: D5: fprint( outfile, "%%%s", %s);

tool: D1: dist( %s);

tool: D10: eval( %s);

assistant: ```c
char *pr_conversion(str)
char *str;
{
  char *start, *ptr, *match_bracket(), *find();
  start = find('(', str + 1);
  *start++ = '\0';
  ptr = match_bracket(start);
  *ptr = '\0';
  if (*(str + 1) == '$')
    printf("eval( %s);", start);
  else if (strncmp(str + 1, "dist", 4) == 0)
    printf("dist( %s);", start);
  else
    printf("fprint( outfile, \"%%%s\", %s);", str + 1, start);
  return (ptr + 1);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<hllRawSum>:
  endbr64
  mov    %rdi,%rax
  mov    %rsi,%rcx
  mov    %rdx,%r8
  lea    0x4000(%rdi),%rdi
  mov    $0x0,%edx
  pxor   %xmm1,%xmm1
  jmp    L7
L188:
  mov    (%rax),%esi
  test   %esi,%esi
  je     L40
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L144:
  mov    0x4(%rax),%esi
  test   %esi,%esi
  je     L195
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L165:
  mov    0x8(%rax),%esi
  test   %esi,%esi
  je     L177
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L145:
  mov    0xc(%rax),%esi
  test   %esi,%esi
  je     L73
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L24:
  mov    0x10(%rax),%esi
  test   %esi,%esi
  je     L183
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L136:
  mov    0x14(%rax),%esi
  test   %esi,%esi
  je     L68
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L151:
  mov    0x18(%rax),%esi
  test   %esi,%esi
  je     L197
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L107:
  mov    0x1c(%rax),%esi
  test   %esi,%esi
  je     L84
  movslq %esi,%rsi
  addsd  (%rcx,%rsi,8),%xmm1
L79:
  add    $0x8,%rax
  cmp    %rax,%rdi
  je     L28
L7:
  cmpq   $0x0,(%rax)
  jne    L188
  add    $0x8,%edx
  jmp    L79
L40:
  add    $0x1,%edx
  jmp    L144
L195:
  add    $0x1,%edx
  jmp    L165
L177:
  add    $0x1,%edx
  jmp    L145
L73:
  add    $0x1,%edx
  jmp    L24
L183:
  add    $0x1,%edx
  jmp    L136
L68:
  add    $0x1,%edx
  jmp    L151
L197:
  add    $0x1,%edx
  jmp    L107
L84:
  add    $0x1,%edx
  jmp    L79
L28:
  mov    %edx,(%r8)
  pxor   %xmm0,%xmm0
  cvtsi2sd %edx,%xmm0
  addsd  %xmm1,%xmm0
  ret
```

assistant: ```c
double hllRawSum(uint8_t *registers, double *PE, int *ezp) {
  double E = 0;
  int j, ez = 0;
  uint64_t *word = (uint64_t *)registers;
  uint8_t *bytes;
  for (j = 0; j < (1 << 14) / 8; j++) {
    if (*word == 0) {
      ez += 8;
    } else {
      bytes = (uint8_t *)word;
      if (bytes[0])
        E += PE[bytes[0]];
      else
        ez++;
      if (bytes[1])
        E += PE[bytes[1]];
      else
        ez++;
      if (bytes[2])
        E += PE[bytes[2]];
      else
        ez++;
      if (bytes[3])
        E += PE[bytes[3]];
      else
        ez++;
      if (bytes[4])
        E += PE[bytes[4]];
      else
        ez++;
      if (bytes[5])
        E += PE[bytes[5]];
      else
        ez++;
      if (bytes[6])
        E += PE[bytes[6]];
      else
        ez++;
      if (bytes[7])
        E += PE[bytes[7]];
      else
        ez++;
    }
    word++;
  }
  E += ez;
  *ezp = ez;
  return E;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<hllRawSum>:
  endbr64
  mov    %rdi,%rax
  mov    %rdx,%r8
  mov    %rsi,%rcx
  xor    %edx,%edx
  lea    0x4000(%rdi),%rdi
  pxor   %xmm1,%xmm1
  jmp    L194
  nopl   0x0(%rax)
L12:
  add    $0x8,%edx
L137:
  add    $0x8,%rax
  cmp    %rax,%rdi
  je     L21
L194:
  cmpq   $0x0,(%rax)
  je     L12
  movslq (%rax),%rsi
  test   %esi,%esi
  je     L114
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x4(%rax),%rsi
  test   %esi,%esi
  je     L138
L64:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x8(%rax),%rsi
  test   %esi,%esi
  je     L23
L108:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0xc(%rax),%rsi
  test   %esi,%esi
  je     L52
L50:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x10(%rax),%rsi
  test   %esi,%esi
  je     L119
L86:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x14(%rax),%rsi
  test   %esi,%esi
  je     L184
L161:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x18(%rax),%rsi
  test   %esi,%esi
  je     L68
L146:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x1c(%rax),%rsi
  test   %esi,%esi
  je     L150
L11:
  add    $0x8,%rax
  addsd  (%rcx,%rsi,8),%xmm1
  cmp    %rax,%rdi
  jne    L194
L21:
  pxor   %xmm0,%xmm0
  mov    %edx,(%r8)
  cvtsi2sd %edx,%xmm0
  addsd  %xmm1,%xmm0
  ret
  nopw   0x0(%rax,%rax,1)
L114:
  movslq 0x4(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L64
L138:
  movslq 0x8(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L108
L23:
  movslq 0xc(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L50
L52:
  movslq 0x10(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L86
L119:
  movslq 0x14(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L161
L184:
  movslq 0x18(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L146
L68:
  movslq 0x1c(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L11
L150:
  add    $0x1,%edx
  jmp    L137
```

assistant: ```c
double hllRawSum(uint8_t *registers, double *PE, int *ezp) {
  double E = 0;
  int j, ez = 0;
  uint64_t *word = (uint64_t *)registers;
  uint8_t *bytes;
  for (j = 0; j < (1 << 14) / 8; j++) {
    if (*word == 0) {
      ez += 8;
    } else {
      bytes = (uint8_t *)word;
      if (bytes[0])
        E += PE[bytes[0]];
      else
        ez++;
      if (bytes[1])
        E += PE[bytes[1]];
      else
        ez++;
      if (bytes[2])
        E += PE[bytes[2]];
      else
        ez++;
      if (bytes[3])
        E += PE[bytes[3]];
      else
        ez++;
      if (bytes[4])
        E += PE[bytes[4]];
      else
        ez++;
      if (bytes[5])
        E += PE[bytes[5]];
      else
        ez++;
      if (bytes[6])
        E += PE[bytes[6]];
      else
        ez++;
      if (bytes[7])
        E += PE[bytes[7]];
      else
        ez++;
    }
    word++;
  }
  E += ez;
  *ezp = ez;
  return E;
}
```
user: Translate the below assembly code into C programming language:

```asm
<hllRawSum>:
  endbr64
  mov    %rdi,%rax
  mov    %rdx,%r8
  mov    %rsi,%rcx
  xor    %edx,%edx
  lea    0x4000(%rdi),%rdi
  pxor   %xmm1,%xmm1
  jmp    L82
  nopl   0x0(%rax)
L75:
  add    $0x8,%edx
L196:
  add    $0x8,%rax
  cmp    %rdi,%rax
  je     L87
L82:
  cmpq   $0x0,(%rax)
  je     L75
  movslq (%rax),%rsi
  test   %esi,%esi
  je     L95
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x4(%rax),%rsi
  test   %esi,%esi
  je     L156
L33:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x8(%rax),%rsi
  test   %esi,%esi
  je     L197
L150:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0xc(%rax),%rsi
  test   %esi,%esi
  je     L93
L175:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x10(%rax),%rsi
  test   %esi,%esi
  je     L167
L4:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x14(%rax),%rsi
  test   %esi,%esi
  je     L16
L124:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x18(%rax),%rsi
  test   %esi,%esi
  je     L187
L117:
  addsd  (%rcx,%rsi,8),%xmm1
  movslq 0x1c(%rax),%rsi
  test   %esi,%esi
  je     L133
L12:
  add    $0x8,%rax
  addsd  (%rcx,%rsi,8),%xmm1
  cmp    %rdi,%rax
  jne    L82
L87:
  pxor   %xmm0,%xmm0
  mov    %edx,(%r8)
  cvtsi2sd %edx,%xmm0
  addsd  %xmm1,%xmm0
  ret
  nopw   0x0(%rax,%rax,1)
L95:
  movslq 0x4(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L33
L156:
  movslq 0x8(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L150
L197:
  movslq 0xc(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L175
L93:
  movslq 0x10(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L4
L167:
  movslq 0x14(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L124
L16:
  movslq 0x18(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L117
L187:
  movslq 0x1c(%rax),%rsi
  add    $0x1,%edx
  test   %esi,%esi
  jne    L12
L133:
  add    $0x1,%edx
  jmp    L196
```

assistant: ```c
double hllRawSum(uint8_t *registers, double *PE, int *ezp) {
  double E = 0;
  int j, ez = 0;
  uint64_t *word = (uint64_t *)registers;
  uint8_t *bytes;
  for (j = 0; j < (1 << 14) / 8; j++) {
    if (*word == 0) {
      ez += 8;
    } else {
      bytes = (uint8_t *)word;
      if (bytes[0])
        E += PE[bytes[0]];
      else
        ez++;
      if (bytes[1])
        E += PE[bytes[1]];
      else
        ez++;
      if (bytes[2])
        E += PE[bytes[2]];
      else
        ez++;
      if (bytes[3])
        E += PE[bytes[3]];
      else
        ez++;
      if (bytes[4])
        E += PE[bytes[4]];
      else
        ez++;
      if (bytes[5])
        E += PE[bytes[5]];
      else
        ez++;
      if (bytes[6])
        E += PE[bytes[6]];
      else
        ez++;
      if (bytes[7])
        E += PE[bytes[7]];
      else
        ez++;
    }
    word++;
  }
  E += ez;
  *ezp = ez;
  return E;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<part_linear_address>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x1,-0xc(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L16
L18:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  imul   -0xc(%rbp),%eax
  add    %eax,-0x8(%rbp)
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0xc(%rbp),%edx
  imul   %edx,%eax
  mov    %eax,-0xc(%rbp)
  addl   $0x1,-0x4(%rbp)
L16:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L18
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int part_linear_address(int dim, const unsigned int *pos, const unsigned int *size) {
  unsigned int stride = 1;
  unsigned int addr = 0;
  int i;
  for (i = 0; i < dim; i++) {
    addr += pos[i] * stride;
    stride *= size[i];
  }
  return addr;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<part_linear_address>:
  endbr64
  test   %edi,%edi
  jle    L21
  mov    %edi,%edi
  mov    $0x0,%eax
  mov    $0x0,%r8d
  mov    $0x1,%ecx
L17:
  mov    %ecx,%r9d
  imul   (%rsi,%rax,4),%r9d
  add    %r9d,%r8d
  imul   (%rdx,%rax,4),%ecx
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L17
L29:
  mov    %r8d,%eax
  ret
L21:
  mov    $0x0,%r8d
  jmp    L29
```

assistant: ```c
unsigned int part_linear_address(int dim, const unsigned int *pos, const unsigned int *size) {
  unsigned int stride = 1;
  unsigned int addr = 0;
  int i;
  for (i = 0; i < dim; i++) {
    addr += pos[i] * stride;
    stride *= size[i];
  }
  return addr;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<part_linear_address>:
  endbr64
  test   %edi,%edi
  jle    L16
  movslq %edi,%rdi
  xor    %eax,%eax
  xor    %r8d,%r8d
  mov    $0x1,%ecx
  nopl   (%rax)
L19:
  mov    (%rsi,%rax,4),%r9d
  imul   %ecx,%r9d
  imul   (%rdx,%rax,4),%ecx
  add    $0x1,%rax
  add    %r9d,%r8d
  cmp    %rax,%rdi
  jne    L19
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
L16:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
unsigned int part_linear_address(int dim, const unsigned int *pos, const unsigned int *size) {
  unsigned int stride = 1;
  unsigned int addr = 0;
  int i;
  for (i = 0; i < dim; i++) {
    addr += pos[i] * stride;
    stride *= size[i];
  }
  return addr;
}
```
user: What is the c source code of the assembly code below:

```asm
<part_linear_address>:
  endbr64
  test   %edi,%edi
  jle    L4
  movslq %edi,%rdi
  xor    %eax,%eax
  xor    %r8d,%r8d
  mov    $0x1,%ecx
  nopl   (%rax)
L3:
  mov    (%rsi,%rax,4),%r9d
  imul   %ecx,%r9d
  imul   (%rdx,%rax,4),%ecx
  add    $0x1,%rax
  add    %r9d,%r8d
  cmp    %rax,%rdi
  jne    L3
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
L4:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
unsigned int part_linear_address(int dim, const unsigned int *pos, const unsigned int *size) {
  unsigned int stride = 1;
  unsigned int addr = 0;
  int i;
  for (i = 0; i < dim; i++) {
    addr += pos[i] * stride;
    stride *= size[i];
  }
  return addr;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<prv_encode_imm>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  cmpq   $0x3,-0x10(%rbp)
  je     L38
  cmpq   $0x3,-0x10(%rbp)
  ja     L66
  cmpq   $0x2,-0x10(%rbp)
  je     L99
  cmpq   $0x2,-0x10(%rbp)
  ja     L66
  cmpq   $0x0,-0x10(%rbp)
  je     L46
  cmpq   $0x1,-0x10(%rbp)
  je     L53
  jmp    L66
L46:
  mov    -0x18(%rbp),%rax
  mov    -0x4(%rbp),%edx
  mov    %edx,(%rax)
  jmp    L91
L53:
  mov    -0x4(%rbp),%eax
  sar    $0x1e,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%eax
  movzbl %al,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  jmp    L91
L99:
  mov    -0x4(%rbp),%eax
  sar    $0x1c,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x4,%eax
  movzbl %al,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  jmp    L91
L38:
  mov    -0x4(%rbp),%eax
  sar    $0x1a,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x6,%eax
  movzbl %al,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  jmp    L91
L66:
  mov    $0x10,%eax
  sub    -0x10(%rbp),%rax
  add    %eax,%eax
  mov    -0x4(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  nop
L91:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rax
  shl    $0x8,%eax
  or     %edx,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void prv_encode_imm(uint32_t imm, size_t mask_index, uint32_t *encoded) {
  switch (mask_index) {
  case 0:
    *encoded = imm;
    break;
  case 1:
    *encoded = (imm >> 30) | (((imm & 0x3F)) << 2);
    break;
  case 2:
    *encoded = (imm >> 28) | (((imm & 0xF)) << 4);
    break;
  case 3:
    *encoded = (imm >> 26) | (((imm & 0x3)) << 6);
    break;
  default:
    *encoded = imm >> (24 - ((mask_index - 4) * 2));
    break;
  }
  *encoded |= mask_index << 8;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<prv_encode_imm>:
  endbr64
  mov    %rsi,%rax
  cmp    $0x2,%rsi
  je     L20
  ja     L12
  test   %rsi,%rsi
  je     L19
  lea    0x0(,%rdi,4),%ecx
  movzbl %cl,%ecx
  sar    $0x1e,%edi
  or     %ecx,%edi
L19:
  shl    $0x8,%eax
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
L12:
  cmp    $0x3,%rsi
  jne    L1
  mov    %edi,%ecx
  shl    $0x6,%ecx
  movzbl %cl,%ecx
  sar    $0x1a,%edi
  or     %ecx,%edi
  jmp    L19
L20:
  mov    %edi,%ecx
  shl    $0x4,%ecx
  movzbl %cl,%ecx
  sar    $0x1c,%edi
  or     %ecx,%edi
  jmp    L19
L1:
  mov    $0x10,%ecx
  sub    %rsi,%rcx
  add    %ecx,%ecx
  sar    %cl,%edi
  jmp    L19
```

assistant: ```c
void prv_encode_imm(uint32_t imm, size_t mask_index, uint32_t *encoded) {
  switch (mask_index) {
  case 0:
    *encoded = imm;
    break;
  case 1:
    *encoded = (imm >> 30) | (((imm & 0x3F)) << 2);
    break;
  case 2:
    *encoded = (imm >> 28) | (((imm & 0xF)) << 4);
    break;
  case 3:
    *encoded = (imm >> 26) | (((imm & 0x3)) << 6);
    break;
  default:
    *encoded = imm >> (24 - ((mask_index - 4) * 2));
    break;
  }
  *encoded |= mask_index << 8;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<prv_encode_imm>:
  endbr64
  mov    %rsi,%rax
  cmp    $0x2,%rsi
  je     L2
  ja     L39
  test   %rsi,%rsi
  je     L7
  lea    0x0(,%rdi,4),%ecx
  sar    $0x1e,%edi
  movzbl %cl,%ecx
  or     %ecx,%edi
L7:
  shl    $0x8,%eax
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
  nopl   0x0(%rax,%rax,1)
L39:
  cmp    $0x3,%rsi
  jne    L0
  mov    %edi,%ecx
  sar    $0x1a,%edi
  shl    $0x6,%ecx
  shl    $0x8,%eax
  movzbl %cl,%ecx
  or     %ecx,%edi
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
  nopl   0x0(%rax,%rax,1)
L2:
  mov    %edi,%ecx
  sar    $0x1c,%edi
  shl    $0x4,%ecx
  shl    $0x8,%eax
  movzbl %cl,%ecx
  or     %ecx,%edi
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
  nopl   (%rax)
L0:
  mov    $0x10,%ecx
  shl    $0x8,%eax
  sub    %rsi,%rcx
  add    %ecx,%ecx
  sar    %cl,%edi
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
```

assistant: ```c
void prv_encode_imm(uint32_t imm, size_t mask_index, uint32_t *encoded) {
  switch (mask_index) {
  case 0:
    *encoded = imm;
    break;
  case 1:
    *encoded = (imm >> 30) | (((imm & 0x3F)) << 2);
    break;
  case 2:
    *encoded = (imm >> 28) | (((imm & 0xF)) << 4);
    break;
  case 3:
    *encoded = (imm >> 26) | (((imm & 0x3)) << 6);
    break;
  default:
    *encoded = imm >> (24 - ((mask_index - 4) * 2));
    break;
  }
  *encoded |= mask_index << 8;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<prv_encode_imm>:
  endbr64
  mov    %rsi,%rax
  cmp    $0x2,%rsi
  je     L13
  ja     L12
  test   %rsi,%rsi
  je     L10
  lea    0x0(,%rdi,4),%ecx
  sar    $0x1e,%edi
  movzbl %cl,%ecx
  or     %ecx,%edi
L10:
  shl    $0x8,%eax
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
  nopl   0x0(%rax,%rax,1)
L12:
  cmp    $0x3,%rsi
  jne    L35
  mov    %edi,%ecx
  sar    $0x1a,%edi
  shl    $0x6,%ecx
  shl    $0x8,%eax
  movzbl %cl,%ecx
  or     %ecx,%edi
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
  nopl   0x0(%rax,%rax,1)
L13:
  mov    %edi,%ecx
  sar    $0x1c,%edi
  shl    $0x4,%ecx
  shl    $0x8,%eax
  movzbl %cl,%ecx
  or     %ecx,%edi
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
  nopl   (%rax)
L35:
  mov    $0x10,%ecx
  shl    $0x8,%eax
  sub    %rsi,%rcx
  add    %ecx,%ecx
  sar    %cl,%edi
  or     %edi,%eax
  mov    %eax,(%rdx)
  ret
```

assistant: ```c
void prv_encode_imm(uint32_t imm, size_t mask_index, uint32_t *encoded) {
  switch (mask_index) {
  case 0:
    *encoded = imm;
    break;
  case 1:
    *encoded = (imm >> 30) | (((imm & 0x3F)) << 2);
    break;
  case 2:
    *encoded = (imm >> 28) | (((imm & 0xF)) << 4);
    break;
  case 3:
    *encoded = (imm >> 26) | (((imm & 0x3)) << 6);
    break;
  default:
    *encoded = imm >> (24 - ((mask_index - 4) * 2));
    break;
  }
  *encoded |= mask_index << 8;
}
```