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

```asm
<memoized_cut_rod_aux>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  js     L51
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  jmp    L49
L51:
  cmpl   $0x0,-0x2c(%rbp)
  jne    L42
  movl   $0x0,-0x18(%rbp)
  jmp    L72
L42:
  movl   $0xffff812c,-0x18(%rbp)
  movl   $0x1,-0x14(%rbp)
  jmp    L40
L26:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ebx
  mov    -0x2c(%rbp),%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x38(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <memoized_cut_rod_aux>
  add    %ebx,%eax
  cmp    %eax,-0x18(%rbp)
  jg     L64
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ebx
  mov    -0x2c(%rbp),%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x38(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <memoized_cut_rod_aux>
  add    %ebx,%eax
  jmp    L22
L64:
  mov    -0x18(%rbp),%eax
L22:
  mov    %eax,-0x18(%rbp)
  addl   $0x1,-0x14(%rbp)
L40:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jle    L26
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%eax
  mov    %eax,(%rdx)
L72:
  mov    -0x18(%rbp),%eax
L49:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int memoized_cut_rod_aux(int *p, int n, int *r) {
  int q, i;
  if (r[n] >= 0)
    return r[n];
  if (n == 0)
    q = 0;
  else {
    q = -32468;
    for (i = 1; i <= n; i++)
      q = (q > p[i] + memoized_cut_rod_aux(p, n - i, r) ? q : p[i] + memoized_cut_rod_aux(p, n - i, r));
    r[n] = q;
  }
  return q;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<memoized_cut_rod_aux>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  movslq %esi,%rax
  lea    (%rdx,%rax,4),%r15
  mov    (%r15),%ebp
  test   %ebp,%ebp
  jns    L3
  mov    %rdi,%r12
  mov    %esi,%ebx
  mov    %rdx,%r14
  mov    %esi,%ebp
  test   %esi,%esi
  je     L3
  mov    $0xffff812c,%ebp
  jle    L42
  mov    $0x1,%r13d
  jmp    L16
L26:
  mov    (%r12,%r13,4),%ebp
  mov    %r14,%rdx
  mov    0xc(%rsp),%esi
  mov    %r12,%rdi
  call   <memoized_cut_rod_aux>
  add    %eax,%ebp
L8:
  add    $0x1,%r13
  cmp    %r13d,%ebx
  jl     L42
L16:
  mov    (%r12,%r13,4),%eax
  mov    %eax,0x8(%rsp)
  mov    %ebx,%eax
  sub    %r13d,%eax
  mov    %eax,0xc(%rsp)
  mov    %r14,%rdx
  mov    %eax,%esi
  mov    %r12,%rdi
  call   <memoized_cut_rod_aux>
  add    0x8(%rsp),%eax
  cmp    %ebp,%eax
  jl     L8
  jmp    L26
L42:
  mov    %ebp,(%r15)
L3:
  mov    %ebp,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int memoized_cut_rod_aux(int *p, int n, int *r) {
  int q, i;
  if (r[n] >= 0)
    return r[n];
  if (n == 0)
    q = 0;
  else {
    q = -32468;
    for (i = 1; i <= n; i++)
      q = (q > p[i] + memoized_cut_rod_aux(p, n - i, r) ? q : p[i] + memoized_cut_rod_aux(p, n - i, r));
    r[n] = q;
  }
  return q;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<memoized_cut_rod_aux>:
  endbr64
  push   %r15
  movslq %esi,%rax
  push   %r14
  lea    (%rdx,%rax,4),%r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    (%r14),%r12d
  test   %r12d,%r12d
  jns    L41
  mov    %rax,%rbx
  xor    %r12d,%r12d
  test   %eax,%eax
  je     L41
  mov    $0xffff812c,%r12d
  jle    L16
  mov    %rdi,%rbp
  mov    $0x1,%r13d
L2:
  mov    %ebx,%esi
  mov    0x0(%rbp,%r13,4),%r15d
  mov    %rbp,%rdi
  mov    %rdx,0x8(%rsp)
  sub    %r13d,%esi
  mov    %esi,(%rsp)
  call   <memoized_cut_rod_aux>
  mov    (%rsp),%esi
  mov    0x8(%rsp),%rdx
  add    %eax,%r15d
  cmp    %r12d,%r15d
  jl     L4
  mov    0x0(%rbp,%r13,4),%r12d
  mov    %rbp,%rdi
  mov    %rdx,(%rsp)
  call   <memoized_cut_rod_aux>
  mov    (%rsp),%rdx
  add    %eax,%r12d
L4:
  add    $0x1,%r13
  cmp    %r13d,%ebx
  jge    L2
L16:
  mov    %r12d,(%r14)
L41:
  add    $0x18,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int memoized_cut_rod_aux(int *p, int n, int *r) {
  int q, i;
  if (r[n] >= 0)
    return r[n];
  if (n == 0)
    q = 0;
  else {
    q = -32468;
    for (i = 1; i <= n; i++)
      q = (q > p[i] + memoized_cut_rod_aux(p, n - i, r) ? q : p[i] + memoized_cut_rod_aux(p, n - i, r));
    r[n] = q;
  }
  return q;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<write_int2_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <flip2@plt>
  mov    -0x18(%rbp),%eax
  lea    (%rax,%rax,1),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <flip2@plt>
  cmpl   $0x0,-0x4(%rbp)
  jg     L5
  mov    $0x0,%eax
  jmp    L2
L5:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
L2:
  leave
  ret
```

assistant: ```c
int write_int2_array(int f, const short *iarray, int n) {
  int nwritten;
  flip2((const unsigned short *)iarray, (unsigned short *)iarray, n);
  nwritten = write(f, iarray, 2 * n);
  flip2((const unsigned short *)iarray, (unsigned short *)iarray, n);
  if (nwritten <= 0)
    return 0;
  return nwritten / 2;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<write_int2_array>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbx
  mov    %edx,%ebp
  mov    %rsi,%rdi
  call   <flip2@plt>
  lea    0x0(%rbp,%rbp,1),%edx
  mov    %rbx,%rsi
  mov    %r12d,%edi
  call   <write@plt>
  mov    %eax,%r12d
  mov    %ebp,%edx
  mov    %rbx,%rsi
  mov    %rbx,%rdi
  call   <flip2@plt>
  mov    $0x0,%eax
  test   %r12d,%r12d
  jle    L7
  mov    %r12d,%eax
  shr    $0x1f,%eax
  add    %r12d,%eax
  sar    %eax
L7:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int write_int2_array(int f, const short *iarray, int n) {
  int nwritten;
  flip2((const unsigned short *)iarray, (unsigned short *)iarray, n);
  nwritten = write(f, iarray, 2 * n);
  flip2((const unsigned short *)iarray, (unsigned short *)iarray, n);
  if (nwritten <= 0)
    return 0;
  return nwritten / 2;
}
```
user: What is the c source code of the assembly code below?

```asm
<write_int2_array>:
  endbr64
  push   %r13
  mov    %edi,%r13d
  mov    %rsi,%rdi
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <flip2@plt>
  lea    (%r12,%r12,1),%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <write@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <flip2@plt>
  mov    %ebx,%eax
  xor    %edx,%edx
  sar    %eax
  test   %ebx,%ebx
  cmovle %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int write_int2_array(int f, const short *iarray, int n) {
  int nwritten;
  flip2((const unsigned short *)iarray, (unsigned short *)iarray, n);
  nwritten = write(f, iarray, 2 * n);
  flip2((const unsigned short *)iarray, (unsigned short *)iarray, n);
  if (nwritten <= 0)
    return 0;
  return nwritten / 2;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbx
  mov    $0xffffffcc,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D65(%rip),%rbx
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x0,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x1,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D32(%rip),%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x2,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D4(%rip),%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x1a,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D2(%rip),%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x1b,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D60(%rip),%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x34,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D63(%rip),%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x2be,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %eax,%esi
  lea    D53(%rip),%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

tool_calls: name: parse_data
arguments: tag: D65
datatype: string
name: parse_data
arguments: tag: D32
datatype: string
name: parse_data
arguments: tag: D4
datatype: string
name: parse_data
arguments: tag: D2
datatype: string
name: parse_data
arguments: tag: D60
datatype: string
name: parse_data
arguments: tag: D63
datatype: string
name: parse_data
arguments: tag: D53
datatype: string

tool: 

tool: D32: A

tool: D4: B

tool: D2: Z

tool: D60: AA

tool: D63: AZ

tool: D53: ZZ

assistant: ```c
int main() {
  assert(!strcmp("", get_excel_col_name_from_excel_col_num(-52)));
  assert(!strcmp("", get_excel_col_name_from_excel_col_num(0)));
  assert(!strcmp("A", get_excel_col_name_from_excel_col_num(1)));
  assert(!strcmp("B", get_excel_col_name_from_excel_col_num(2)));
  assert(!strcmp("Z", get_excel_col_name_from_excel_col_num(26)));
  assert(!strcmp("AA", get_excel_col_name_from_excel_col_num(27)));
  assert(!strcmp("AZ", get_excel_col_name_from_excel_col_num(52)));
  assert(!strcmp("ZZ", get_excel_col_name_from_excel_col_num(702)));
  return (0);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0xffffffcc,%edi
  lea    D55(%rip),%rbp
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x1,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D41(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x2,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D49(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x1a,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D8(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x1b,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D44(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x34,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D31(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x2be,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D33(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: tag: D55
type_infered: string
name: read_data
arguments: tag: D41
type_infered: string
name: read_data
arguments: tag: D49
type_infered: string
name: read_data
arguments: tag: D8
type_infered: string
name: read_data
arguments: tag: D44
type_infered: string
name: read_data
arguments: tag: D31
type_infered: string
name: read_data
arguments: tag: D33
type_infered: string

tool: 

tool: D41: A

tool: D49: B

tool: D8: Z

tool: D44: AA

tool: D31: AZ

tool: D33: ZZ

assistant: ```c
int main() {
  assert(!strcmp("", get_excel_col_name_from_excel_col_num(-52)));
  assert(!strcmp("", get_excel_col_name_from_excel_col_num(0)));
  assert(!strcmp("A", get_excel_col_name_from_excel_col_num(1)));
  assert(!strcmp("B", get_excel_col_name_from_excel_col_num(2)));
  assert(!strcmp("Z", get_excel_col_name_from_excel_col_num(26)));
  assert(!strcmp("AA", get_excel_col_name_from_excel_col_num(27)));
  assert(!strcmp("AZ", get_excel_col_name_from_excel_col_num(52)));
  assert(!strcmp("ZZ", get_excel_col_name_from_excel_col_num(702)));
  return (0);
}
```
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    $0xffffffcc,%edi
  lea    D68(%rip),%rbp
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  xor    %edi,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x1,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D38(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x2,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D22(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x1a,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D33(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x1b,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D6(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x34,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D56(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x2be,%edi
  call   <get_excel_col_name_from_excel_col_num@plt>
  lea    D52(%rip),%rdi
  mov    %eax,%esi
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %eax,%eax
  sete   %dil
  call   <assert@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D68
type_guessed: string
name: unpack_data
arguments: data_tag: D38
type_guessed: string
name: unpack_data
arguments: data_tag: D22
type_guessed: string
name: unpack_data
arguments: data_tag: D33
type_guessed: string
name: unpack_data
arguments: data_tag: D6
type_guessed: string
name: unpack_data
arguments: data_tag: D56
type_guessed: string
name: unpack_data
arguments: data_tag: D52
type_guessed: string

tool: 

tool: D38: A

tool: D22: B

tool: D33: Z

tool: D6: AA

tool: D56: AZ

tool: D52: ZZ

assistant: ```c
int main() {
  assert(!strcmp("", get_excel_col_name_from_excel_col_num(-52)));
  assert(!strcmp("", get_excel_col_name_from_excel_col_num(0)));
  assert(!strcmp("A", get_excel_col_name_from_excel_col_num(1)));
  assert(!strcmp("B", get_excel_col_name_from_excel_col_num(2)));
  assert(!strcmp("Z", get_excel_col_name_from_excel_col_num(26)));
  assert(!strcmp("AA", get_excel_col_name_from_excel_col_num(27)));
  assert(!strcmp("AZ", get_excel_col_name_from_excel_col_num(52)));
  assert(!strcmp("ZZ", get_excel_col_name_from_excel_col_num(702)));
  return (0);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fastcopy_sse2_16>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  jmp    L57
L49:
  mov    -0x10(%rbp),%rdx
  lea    0x4(%rdx),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  mov    (%rdx),%edx
  mov    %edx,(%rax)
  subl   $0x1,-0x14(%rbp)
L57:
  mov    -0x8(%rbp),%rax
  and    $0xf,%eax
  test   %rax,%rax
  je     L19
  cmpl   $0x0,-0x14(%rbp)
  jg     L49
  jmp    L19
L9:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <_mm_loadu_si128@plt>
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <_mm_store_si128@plt>
  addq   $0x40,-0x10(%rbp)
  addq   $0x40,-0x8(%rbp)
  subl   $0x10,-0x14(%rbp)
L19:
  cmpl   $0xf,-0x14(%rbp)
  jg     L9
  jmp    L0
L50:
  mov    -0x10(%rbp),%rdx
  lea    0x4(%rdx),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  mov    (%rdx),%edx
  mov    %edx,(%rax)
  subl   $0x1,-0x14(%rbp)
L0:
  cmpl   $0x0,-0x14(%rbp)
  jg     L50
  nop
  nop
  leave
  ret
```

assistant: ```c
void fastcopy_sse2_16(uint8_t *__restrict dest, const uint8_t *__restrict src, int n) {
  for (; ((intptr_t)dest & 15) && (n > 0); n--) {
    *dest++ = *src++;
  }
  for (; n >= 16; n -= 16) {
    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
    src += 16;
    dest += 16;
  }
  for (; n > 0; n--) {
    *dest++ = *src++;
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fastcopy_sse2_16>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %edx,%ebp
  test   $0xf,%dil
  je     L67
  test   %edx,%edx
  jle    L67
L88:
  add    $0x4,%r12
  add    $0x4,%rbx
  mov    -0x4(%r12),%eax
  mov    %eax,-0x4(%rbx)
  sub    $0x1,%ebp
  test   $0xf,%bl
  je     L67
  test   %ebp,%ebp
  jg     L88
L67:
  cmp    $0xf,%ebp
  jle    L15
  lea    -0x10(%rbp),%r15d
  shr    $0x4,%r15d
  lea    0x1(%r15),%eax
  mov    %eax,%eax
  shl    $0x6,%rax
  mov    %rax,0x8(%rsp)
  lea    (%rbx,%rax,1),%r14
  mov    %r12,%r13
L25:
  mov    %r13,%rdi
  call   <_mm_loadu_si128@plt>
  mov    %eax,%esi
  mov    %rbx,%rdi
  call   <_mm_store_si128@plt>
  add    $0x40,%r13
  add    $0x40,%rbx
  cmp    %r14,%rbx
  jne    L25
  add    0x8(%rsp),%r12
  neg    %r15d
  shl    $0x4,%r15d
  lea    -0x10(%rbp,%r15,1),%ebp
L2:
  test   %ebp,%ebp
  jle    L50
  mov    %ebp,%ebp
  mov    $0x0,%eax
L7:
  mov    (%r12,%rax,4),%edx
  mov    %edx,(%r14,%rax,4)
  add    $0x1,%rax
  cmp    %rbp,%rax
  jne    L7
L50:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L15:
  mov    %rbx,%r14
  jmp    L2
```

assistant: ```c
void fastcopy_sse2_16(uint8_t *__restrict dest, const uint8_t *__restrict src, int n) {
  for (; ((intptr_t)dest & 15) && (n > 0); n--) {
    *dest++ = *src++;
  }
  for (; n >= 16; n -= 16) {
    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
    src += 16;
    dest += 16;
  }
  for (; n > 0; n--) {
    *dest++ = *src++;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<fastcopy_sse2_16>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  and    $0xf,%edi
  jne    L59
  jmp    L51
  nop
L78:
  mov    %rbx,%rdi
  mov    %r12,%rsi
  sub    $0x1,%edx
  movsl  %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%r12
  mov    %rdi,%rbx
  test   $0xf,%dil
  je     L51
L59:
  test   %edx,%edx
  jg     L78
L51:
  cmp    $0xf,%edx
  jle    L25
  lea    -0x10(%rdx),%eax
  mov    %r12,%rbp
  mov    %eax,%r15d
  mov    %eax,0xc(%rsp)
  shr    $0x4,%r15d
  lea    0x1(%r15),%r14d
  shl    $0x6,%r14
  lea    (%rbx,%r14,1),%r13
L76:
  mov    %rbp,%rdi
  add    $0x40,%rbp
  call   <_mm_loadu_si128@plt>
  mov    %rbx,%rdi
  add    $0x40,%rbx
  mov    %eax,%esi
  call   <_mm_store_si128@plt>
  cmp    %rbx,%r13
  jne    L76
  mov    0xc(%rsp),%edx
  shl    $0x4,%r15d
  add    %r14,%r12
  sub    %r15d,%edx
L36:
  test   %edx,%edx
  jle    L37
  add    $0x18,%rsp
  movslq %edx,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  pop    %rbx
  shl    $0x2,%rdx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <memcpy@plt>
  nopl   0x0(%rax)
L37:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L25:
  mov    %rbx,%r13
  jmp    L36
```

assistant: ```c
void fastcopy_sse2_16(uint8_t *__restrict dest, const uint8_t *__restrict src, int n) {
  for (; ((intptr_t)dest & 15) && (n > 0); n--) {
    *dest++ = *src++;
  }
  for (; n >= 16; n -= 16) {
    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
    src += 16;
    dest += 16;
  }
  for (; n > 0; n--) {
    *dest++ = *src++;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fastcopy_sse2_16>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  and    $0xf,%edi
  jne    L37
  jmp    L60
  nop
L2:
  mov    %rbx,%rdi
  mov    %r12,%rsi
  sub    $0x1,%edx
  movsl  %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%r12
  mov    %rdi,%rbx
  test   $0xf,%dil
  je     L60
L37:
  test   %edx,%edx
  jg     L2
L60:
  cmp    $0xf,%edx
  jle    L3
  lea    -0x10(%rdx),%eax
  mov    %r12,%rbp
  mov    %eax,%r15d
  mov    %eax,0xc(%rsp)
  shr    $0x4,%r15d
  lea    0x1(%r15),%r14d
  shl    $0x6,%r14
  lea    (%rbx,%r14,1),%r13
L18:
  mov    %rbp,%rdi
  add    $0x40,%rbp
  call   <_mm_loadu_si128@plt>
  mov    %rbx,%rdi
  add    $0x40,%rbx
  mov    %eax,%esi
  call   <_mm_store_si128@plt>
  cmp    %rbx,%r13
  jne    L18
  mov    0xc(%rsp),%edx
  shl    $0x4,%r15d
  add    %r14,%r12
  sub    %r15d,%edx
L9:
  test   %edx,%edx
  jle    L33
  add    $0x18,%rsp
  movslq %edx,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  pop    %rbx
  shl    $0x2,%rdx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1080 <memcpy@plt>
  nopl   0x0(%rax)
L33:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L3:
  mov    %rbx,%r13
  jmp    L9
```

assistant: ```c
void fastcopy_sse2_16(uint8_t *__restrict dest, const uint8_t *__restrict src, int n) {
  for (; ((intptr_t)dest & 15) && (n > 0); n--) {
    *dest++ = *src++;
  }
  for (; n >= 16; n -= 16) {
    _mm_store_si128((__m128i *)dest, _mm_loadu_si128((__m128i *)src));
    src += 16;
    dest += 16;
  }
  for (; n > 0; n--) {
    *dest++ = *src++;
  }
}
```