ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Translate the below assembly code into C programming language:

```asm
<OPENSSL_gmtime>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  call   <gmtime@plt>
  test   %rax,%rax
  je     L0
  mov    $0x4,%edx
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <memcpy@plt>
  mov    %rbx,%rax
L0:
  pop    %rbx
  ret
```

assistant: ```c
struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result) {
  struct tm *ts = NULL;
  ts = gmtime(timer);
  if (ts == NULL)
    return NULL;
  memcpy(result, ts, sizeof(struct tm));
  ts = result;
  return ts;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<OPENSSL_gmtime>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  call   <gmtime@plt>
  test   %rax,%rax
  je     L3
  mov    $0x4,%edx
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <memcpy@plt>
  mov    %rbx,%rax
L3:
  pop    %rbx
  ret
```

assistant: ```c
struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result) {
  struct tm *ts = NULL;
  ts = gmtime(timer);
  if (ts == NULL)
    return NULL;
  memcpy(result, ts, sizeof(struct tm));
  ts = result;
  return ts;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<write_quaddobl_solution>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,-0x54(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    -0x50(%rbp),%rdx
  mov    -0x54(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <solcon_length_quaddobl_solution_string@plt>
  mov    %eax,-0x4c(%rbp)
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x50(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L5:
  cmp    %rdx,%rsp
  je     L27
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L5
L27:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L32
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L32:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x50(%rbp),%ecx
  mov    -0x40(%rbp),%rdx
  mov    -0x54(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <solcon_write_quaddobl_solution_string@plt>
  mov    %eax,-0x4c(%rbp)
  mov    -0x40(%rbp),%rdx
  mov    -0x54(%rbp),%eax
  mov    %eax,%esi
  lea    D7(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    %rbx,%rsp
  mov    -0x4c(%rbp),%eax
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: tag: D7
type_guessed: string

tool: D7: 
solution %d :
%s


assistant: ```c
int write_quaddobl_solution(int index) {
  int fail, nb;
  fail = solcon_length_quaddobl_solution_string(index, &nb);
  {
    char solution[nb];
    fail = solcon_write_quaddobl_solution_string(index, nb, solution);
    printf("\nsolution %d :\n%s\n", index, solution);
  }
  return fail;
}
```
user: What is the c source code of the assembly code below:

```asm
<write_quaddobl_solution>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x10,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    -0x1c(%rbp),%rsi
  call   <solcon_length_quaddobl_solution_string@plt>
  mov    -0x1c(%rbp),%esi
  movslq %esi,%rax
  add    $0xf,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L2:
  cmp    %rdx,%rsp
  je     L37
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L2
L37:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L0
  orq    $0x0,-0x8(%rsp,%rax,1)
L0:
  mov    %rsp,%rdx
  mov    %ebx,%edi
  call   <solcon_write_quaddobl_solution_string@plt>
  mov    %eax,%r12d
  mov    %rsp,%rdx
  mov    %ebx,%esi
  lea    D4(%rip),%rdi
  call   <printf@plt>
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  mov    %r12d,%eax
  lea    -0x10(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D4
data_type: string

tool: D4: 
solution %d :
%s


assistant: ```c
int write_quaddobl_solution(int index) {
  int fail, nb;
  fail = solcon_length_quaddobl_solution_string(index, &nb);
  {
    char solution[nb];
    fail = solcon_write_quaddobl_solution_string(index, nb, solution);
    printf("\nsolution %d :\n%s\n", index, solution);
  }
  return fail;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<write_quaddobl_solution>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  lea    -0x1c(%rbp),%rsi
  mov    %edi,%r12d
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  call   <solcon_length_quaddobl_solution_string@plt>
  movslq -0x1c(%rbp),%rax
  mov    %rsp,%rcx
  mov    %rax,%rsi
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L30
L17:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L17
L30:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L23
L4:
  mov    %rsp,%rdx
  mov    %r12d,%edi
  call   <solcon_write_quaddobl_solution_string@plt>
  mov    %rsp,%rdx
  mov    %r12d,%esi
  lea    D2(%rip),%rdi
  mov    %eax,%r13d
  call   <printf@plt>
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L49
  lea    -0x10(%rbp),%rsp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
  nopl   (%rax)
L23:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L4
L49:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D2
type_guessed: string

tool: D2: 
solution %d :
%s


assistant: ```c
int write_quaddobl_solution(int index) {
  int fail, nb;
  fail = solcon_length_quaddobl_solution_string(index, &nb);
  {
    char solution[nb];
    fail = solcon_write_quaddobl_solution_string(index, nb, solution);
    printf("\nsolution %d :\n%s\n", index, solution);
  }
  return fail;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<write_quaddobl_solution>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  lea    -0x1c(%rbp),%rsi
  mov    %edi,%r12d
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  call   <solcon_length_quaddobl_solution_string@plt>
  movslq -0x1c(%rbp),%rax
  mov    %rsp,%rcx
  mov    %rax,%rsi
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L0
L1:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L1
L0:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L17
L21:
  mov    %rsp,%rdx
  mov    %r12d,%edi
  call   <solcon_write_quaddobl_solution_string@plt>
  mov    %rsp,%rdx
  mov    %r12d,%esi
  lea    D9(%rip),%rdi
  mov    %eax,%r13d
  call   <printf@plt>
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  lea    -0x10(%rbp),%rsp
  mov    %r13d,%eax
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
  nopl   (%rax)
L17:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L21
L28:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D9
type_guessed: string

tool: D9: 
solution %d :
%s


assistant: ```c
int write_quaddobl_solution(int index) {
  int fail, nb;
  fail = solcon_length_quaddobl_solution_string(index, &nb);
  {
    char solution[nb];
    fail = solcon_write_quaddobl_solution_string(index, nb, solution);
    printf("\nsolution %d :\n%s\n", index, solution);
  }
  return fail;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<vp8_variance8x8_c>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x20(%rbp)
  mov    %r8,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x20(%rbp),%ecx
  mov    -0x28(%rbp),%rdx
  mov    -0x1c(%rbp),%esi
  mov    -0x18(%rbp),%rax
  lea    -0xc(%rbp),%rdi
  push   %rdi
  lea    -0x10(%rbp),%rdi
  push   %rdi
  mov    $0x8,%r9d
  mov    $0x8,%r8d
  mov    %rax,%rdi
  call   <vp8_variance@plt>
  add    $0x10,%rsp
  mov    -0x10(%rbp),%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x10(%rbp),%eax
  mov    -0xc(%rbp),%ecx
  mov    -0xc(%rbp),%edx
  imul   %ecx,%edx
  sar    $0x6,%edx
  sub    %edx,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
unsigned int vp8_variance8x8_c(unsigned char *src_ptr, int source_stride, unsigned char *ref_ptr, int recon_stride, unsigned int *sse) {
  unsigned int var;
  int avg;
  vp8_variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
  *sse = var;
  return (var - ((avg * avg) >> 6));
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<vp8_variance8x8_c>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %r8,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  push   %rax
  lea    0x8(%rsp),%rax
  push   %rax
  mov    $0x8,%r9d
  mov    $0x8,%r8d
  call   <vp8_variance@plt>
  mov    0x10(%rsp),%eax
  mov    %eax,(%rbx)
  mov    0x14(%rsp),%edx
  imul   %edx,%edx
  sar    $0x6,%edx
  sub    %edx,%eax
  add    $0x10,%rsp
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x10,%rsp
  pop    %rbx
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned int vp8_variance8x8_c(unsigned char *src_ptr, int source_stride, unsigned char *ref_ptr, int recon_stride, unsigned int *sse) {
  unsigned int var;
  int avg;
  vp8_variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
  *sse = var;
  return (var - ((avg * avg) >> 6));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<vp8_variance8x8_c>:
  endbr64
  push   %rbx
  mov    $0x8,%r9d
  mov    %r8,%rbx
  mov    $0x8,%r8d
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  push   %rax
  lea    0x8(%rsp),%rax
  push   %rax
  call   <vp8_variance@plt>
  mov    0x14(%rsp),%edx
  mov    0x10(%rsp),%eax
  imul   %edx,%edx
  mov    %eax,(%rbx)
  sar    $0x6,%edx
  sub    %edx,%eax
  pop    %rdx
  pop    %rcx
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x10,%rsp
  pop    %rbx
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned int vp8_variance8x8_c(unsigned char *src_ptr, int source_stride, unsigned char *ref_ptr, int recon_stride, unsigned int *sse) {
  unsigned int var;
  int avg;
  vp8_variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
  *sse = var;
  return (var - ((avg * avg) >> 6));
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<vp8_variance8x8_c>:
  endbr64
  push   %rbx
  mov    $0x8,%r9d
  mov    %r8,%rbx
  mov    $0x8,%r8d
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  push   %rax
  lea    0x8(%rsp),%rax
  push   %rax
  call   <vp8_variance@plt>
  mov    0x14(%rsp),%edx
  mov    0x10(%rsp),%eax
  imul   %edx,%edx
  mov    %eax,(%rbx)
  sar    $0x6,%edx
  sub    %edx,%eax
  pop    %rdx
  pop    %rcx
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x10,%rsp
  pop    %rbx
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned int vp8_variance8x8_c(unsigned char *src_ptr, int source_stride, unsigned char *ref_ptr, int recon_stride, unsigned int *sse) {
  unsigned int var;
  int avg;
  vp8_variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
  *sse = var;
  return (var - ((avg * avg) >> 6));
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<FS460_set_input_mux>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebx
  mov    %esi,%ebp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  mov    $0x3c,%edi
  call   <sio_read_reg@plt>
  test   %eax,%eax
  jne    L25
  cmp    $0x1,%ebx
  je     L53
  mov    $0x1000,%eax
  cmp    $0x3,%ebx
  jne    L25
  cmp    $0x1,%ebp
  je     L78
  mov    $0x1000,%eax
  cmp    $0x2,%ebp
  jne    L25
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L25
  mov    (%rsp),%rsi
  and    $0xfffffffffffffffd,%rsi
  jmp    L1
L53:
  cmp    $0x1,%ebp
  je     L143
  mov    $0x1000,%eax
  cmp    $0x2,%ebp
  jne    L25
  mov    $0x0,%esi
  mov    $0x2,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L25
  mov    (%rsp),%rsi
  and    $0xfffffffffffffffe,%rsi
  or     $0xc0,%sil
  jmp    L1
L143:
  mov    $0x0,%esi
  mov    $0x1,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L25
  mov    (%rsp),%rsi
  and    $0xffffffffffffffbf,%rsi
  or     $0x81,%sil
L1:
  mov    %rsi,(%rsp)
  mov    $0x3c,%edi
  call   <sio_write_reg@plt>
L25:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L108
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L78:
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L25
  mov    (%rsp),%rsi
  or     $0x2,%rsi
  jmp    L1
L108:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int FS460_set_input_mux(int channel, int input) {
  int err;
  unsigned long mux1;
  err = sio_read_reg(0x3C, &mux1);
  if (err)
    return err;
  switch (channel) {
  default:
    return 0x1000;
  case 1: {
    switch (input) {
    default:
      return 0x1000;
    case 1: {
      err = FS460_set_input_mode(1, 0);
      if (err)
        return err;
      mux1 |= (1 << 0);
      mux1 |= (1 << 7);
      mux1 &= ~(1 << 6);
    } break;
    case 2: {
      err = FS460_set_input_mode(2, 0);
      if (err)
        return err;
      mux1 &= ~(1 << 0);
      mux1 |= (1 << 7);
      mux1 |= (1 << 6);
    } break;
    }
  } break;
  case 3: {
    switch (input) {
    default:
      return 0x1000;
    case 1: {
      err = FS460_set_input_mode(1, 1);
      if (err)
        return err;
      mux1 |= (1 << 1);
    } break;
    case 2: {
      err = FS460_set_input_mode(2, 1);
      if (err)
        return err;
      mux1 &= ~(1 << 1);
    } break;
    }
  }
  }
  err = sio_write_reg(0x3C, mux1);
  if (err)
    return err;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<FS460_set_input_mux>:
  endbr64
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  mov    $0x3c,%edi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <sio_read_reg@plt>
  test   %eax,%eax
  jne    L10
  cmp    $0x1,%ebx
  je     L150
  cmp    $0x3,%ebx
  je     L124
L154:
  mov    $0x1000,%eax
L10:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L124:
  cmp    $0x1,%ebp
  je     L108
  cmp    $0x2,%ebp
  jne    L154
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L10
  mov    (%rsp),%rsi
  and    $0xfffffffffffffffd,%rsi
  jmp    L38
  nopl   0x0(%rax,%rax,1)
L150:
  cmp    $0x1,%ebp
  je     L35
  cmp    $0x2,%ebp
  jne    L154
  xor    %esi,%esi
  mov    $0x2,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L10
  mov    (%rsp),%rsi
  and    $0xfffffffffffffffe,%rsi
  or     $0xc0,%sil
  jmp    L38
  nopl   0x0(%rax,%rax,1)
L35:
  xor    %esi,%esi
  mov    $0x1,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L10
  mov    (%rsp),%rsi
  and    $0xffffffffffffffbf,%rsi
  or     $0x81,%sil
  jmp    L38
  nopw   0x0(%rax,%rax,1)
L108:
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L10
  mov    (%rsp),%rsi
  or     $0x2,%rsi
L38:
  mov    $0x3c,%edi
  mov    %rsi,(%rsp)
  call   <sio_write_reg@plt>
  jmp    L10
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int FS460_set_input_mux(int channel, int input) {
  int err;
  unsigned long mux1;
  err = sio_read_reg(0x3C, &mux1);
  if (err)
    return err;
  switch (channel) {
  default:
    return 0x1000;
  case 1: {
    switch (input) {
    default:
      return 0x1000;
    case 1: {
      err = FS460_set_input_mode(1, 0);
      if (err)
        return err;
      mux1 |= (1 << 0);
      mux1 |= (1 << 7);
      mux1 &= ~(1 << 6);
    } break;
    case 2: {
      err = FS460_set_input_mode(2, 0);
      if (err)
        return err;
      mux1 &= ~(1 << 0);
      mux1 |= (1 << 7);
      mux1 |= (1 << 6);
    } break;
    }
  } break;
  case 3: {
    switch (input) {
    default:
      return 0x1000;
    case 1: {
      err = FS460_set_input_mode(1, 1);
      if (err)
        return err;
      mux1 |= (1 << 1);
    } break;
    case 2: {
      err = FS460_set_input_mode(2, 1);
      if (err)
        return err;
      mux1 &= ~(1 << 1);
    } break;
    }
  }
  }
  err = sio_write_reg(0x3C, mux1);
  if (err)
    return err;
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<FS460_set_input_mux>:
  endbr64
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  mov    $0x3c,%edi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <sio_read_reg@plt>
  test   %eax,%eax
  jne    L109
  cmp    $0x1,%ebx
  je     L113
  cmp    $0x3,%ebx
  je     L89
L82:
  mov    $0x1000,%eax
L109:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L125
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L89:
  cmp    $0x1,%ebp
  je     L28
  cmp    $0x2,%ebp
  jne    L82
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L109
  mov    (%rsp),%rsi
  and    $0xfffffffffffffffd,%rsi
  jmp    L146
  nopl   0x0(%rax,%rax,1)
L113:
  cmp    $0x1,%ebp
  je     L83
  cmp    $0x2,%ebp
  jne    L82
  xor    %esi,%esi
  mov    $0x2,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L109
  mov    (%rsp),%rsi
  and    $0xfffffffffffffffe,%rsi
  or     $0xc0,%sil
  jmp    L146
  nopl   0x0(%rax,%rax,1)
L83:
  xor    %esi,%esi
  mov    $0x1,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L109
  mov    (%rsp),%rsi
  and    $0xffffffffffffffbf,%rsi
  or     $0x81,%sil
  jmp    L146
  nopw   0x0(%rax,%rax,1)
L28:
  mov    $0x1,%esi
  mov    $0x1,%edi
  call   <FS460_set_input_mode@plt>
  test   %eax,%eax
  jne    L109
  mov    (%rsp),%rsi
  or     $0x2,%rsi
L146:
  mov    $0x3c,%edi
  mov    %rsi,(%rsp)
  call   <sio_write_reg@plt>
  jmp    L109
L125:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int FS460_set_input_mux(int channel, int input) {
  int err;
  unsigned long mux1;
  err = sio_read_reg(0x3C, &mux1);
  if (err)
    return err;
  switch (channel) {
  default:
    return 0x1000;
  case 1: {
    switch (input) {
    default:
      return 0x1000;
    case 1: {
      err = FS460_set_input_mode(1, 0);
      if (err)
        return err;
      mux1 |= (1 << 0);
      mux1 |= (1 << 7);
      mux1 &= ~(1 << 6);
    } break;
    case 2: {
      err = FS460_set_input_mode(2, 0);
      if (err)
        return err;
      mux1 &= ~(1 << 0);
      mux1 |= (1 << 7);
      mux1 |= (1 << 6);
    } break;
    }
  } break;
  case 3: {
    switch (input) {
    default:
      return 0x1000;
    case 1: {
      err = FS460_set_input_mode(1, 1);
      if (err)
        return err;
      mux1 |= (1 << 1);
    } break;
    case 2: {
      err = FS460_set_input_mode(2, 1);
      if (err)
        return err;
      mux1 &= ~(1 << 1);
    } break;
    }
  }
  }
  err = sio_write_reg(0x3C, mux1);
  if (err)
    return err;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<utl_split_int>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    -0x18(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  setl   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %eax,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %edx,-0x4(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jne    L18
  mov    -0x4(%rbp),%eax
  add    %eax,-0x8(%rbp)
L18:
  cmpl   $0x0,-0x8(%rbp)
  jne    L6
  movl   $0x1,-0x8(%rbp)
L6:
  mov    -0x8(%rbp),%eax
  leave
  ret
```

assistant: ```c
uint32_t utl_split_int(uint32_t val, int thread_id, int num_threads) {
  assert(thread_id < num_threads);
  uint32_t s = val / num_threads;
  uint32_t m = val % num_threads;
  if (thread_id == 0) {
    s += m;
  }
  if (s == 0) {
    s = 1;
  }
  return (s);
}
```
user: What is the c source code of the assembly code below?

```asm
<utl_split_int>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebp
  mov    %esi,%r12d
  mov    %edx,%ebx
  cmp    %edx,%esi
  setl   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %ebp,%eax
  cltd
  idiv   %ebx
  test   %r12d,%r12d
  jne    L6
  mov    %eax,%ecx
  mov    %ebp,%eax
  cltd
  idiv   %ebx
  lea    (%rcx,%rdx,1),%eax
L6:
  test   %eax,%eax
  mov    $0x1,%edx
  cmove  %edx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
uint32_t utl_split_int(uint32_t val, int thread_id, int num_threads) {
  assert(thread_id < num_threads);
  uint32_t s = val / num_threads;
  uint32_t m = val % num_threads;
  if (thread_id == 0) {
    s += m;
  }
  if (s == 0) {
    s = 1;
  }
  return (s);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<utl_split_int>:
  endbr64
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %edi,%ebx
  xor    %edi,%edi
  cmp    %edx,%esi
  setl   %dil
  call   <assert@plt>
  mov    %ebx,%eax
  pop    %rbx
  cltd
  idiv   %ebp
  pop    %rbp
  add    %eax,%edx
  test   %r12d,%r12d
  pop    %r12
  cmove  %edx,%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmove  %edx,%eax
  ret
```

assistant: ```c
uint32_t utl_split_int(uint32_t val, int thread_id, int num_threads) {
  assert(thread_id < num_threads);
  uint32_t s = val / num_threads;
  uint32_t m = val % num_threads;
  if (thread_id == 0) {
    s += m;
  }
  if (s == 0) {
    s = 1;
  }
  return (s);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<utl_split_int>:
  endbr64
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %edi,%ebx
  xor    %edi,%edi
  cmp    %edx,%esi
  setl   %dil
  call   <assert@plt>
  mov    %ebx,%eax
  pop    %rbx
  cltd
  idiv   %ebp
  pop    %rbp
  add    %eax,%edx
  test   %r12d,%r12d
  pop    %r12
  cmove  %edx,%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmove  %edx,%eax
  ret
```

assistant: ```c
uint32_t utl_split_int(uint32_t val, int thread_id, int num_threads) {
  assert(thread_id < num_threads);
  uint32_t s = val / num_threads;
  uint32_t m = val % num_threads;
  if (thread_id == 0) {
    s += m;
  }
  if (s == 0) {
    s = 1;
  }
  return (s);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<ceiling>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movq   $0x1,-0x8(%rbp)
  jmp    L11
L0:
  shrq   -0x8(%rbp)
L11:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  ja     L0
  mov    -0x8(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
size_t ceiling(size_t n) {
  size_t c;
  c = 1;
  while (n > c) {
    c >>= 1;
  }
  return c;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<ceiling>:
  endbr64
  mov    $0x1,%eax
  mov    $0x0,%edx
  jmp    L14
L13:
  mov    %rdx,%rax
L14:
  cmp    %rdi,%rax
  jb     L13
  ret
```

assistant: ```c
size_t ceiling(size_t n) {
  size_t c;
  c = 1;
  while (n > c) {
    c >>= 1;
  }
  return c;
}
```