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

```asm
<d2string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  movsd  %xmm0,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <isnan@plt>
  test   %rax,%rax
  je     L31
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  lea    D1(%rip),%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L9
L31:
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <isinf@plt>
  test   %rax,%rax
  je     L97
  pxor   %xmm0,%xmm0
  comisd -0x18(%rbp),%xmm0
  jbe    L88
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  lea    D46(%rip),%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L9
L88:
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  lea    D19(%rip),%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L9
L97:
  pxor   %xmm0,%xmm0
  ucomisd -0x18(%rbp),%xmm0
  jp     L37
  pxor   %xmm0,%xmm0
  ucomisd -0x18(%rbp),%xmm0
  jne    L37
  movsd  D52(%rip),%xmm0
  movapd %xmm0,%xmm1
  divsd  -0x18(%rbp),%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  jbe    L87
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  lea    D54(%rip),%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L9
L87:
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  lea    D12(%rip),%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  mov    %rax,-0x10(%rbp)
  jmp    L9
L37:
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  movq   %rdx,%xmm0
  lea    D53(%rip),%rdx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x1,%eax
  call   <snprintf@plt>
  mov    %rax,-0x10(%rbp)
L9:
  mov    -0x10(%rbp),%rax
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D1
data_type: string
name: disassemble_data
arguments: data_label: D46
data_type: string
name: disassemble_data
arguments: data_label: D19
data_type: string
name: disassemble_data
arguments: data_label: D52
data_type: f64
name: disassemble_data
arguments: data_label: D54
data_type: string
name: disassemble_data
arguments: data_label: D12
data_type: string
name: disassemble_data
arguments: data_label: D53
data_type: string

tool: D1: nan

tool: D46: -inf

tool: D19: inf

tool: D52: 1

tool: D54: -0

tool: D12: 0

tool: D53: %.17g

assistant: ```c
int d2string(char *buf, size_t len, double value) {
  if (isnan(value)) {
    len = snprintf(buf, len, "nan");
  } else if (isinf(value)) {
    if (value < 0)
      len = snprintf(buf, len, "-inf");
    else
      len = snprintf(buf, len, "inf");
  } else if (value == 0) {
    if (1.0 / value < 0)
      len = snprintf(buf, len, "-0");
    else
      len = snprintf(buf, len, "0");
  } else {
    len = snprintf(buf, len, "%.17g", value);
  }
  return len;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<d2string>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    %rsi,%rbp
  movq   %xmm0,%rbx
  call   <isnan@plt>
  test   %rax,%rax
  je     L83
  lea    D0(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
L35:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L83:
  movq   %rbx,%xmm0
  call   <isinf@plt>
  test   %rax,%rax
  je     L1
  pxor   %xmm0,%xmm0
  movq   %rbx,%xmm2
  comisd %xmm2,%xmm0
  ja     L50
  lea    D57(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L35
L50:
  lea    D48(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L35
L1:
  movq   %rbx,%xmm3
  ucomisd D38(%rip),%xmm3
  jp     L76
  jne    L76
  movsd  D39(%rip),%xmm0
  divsd  %xmm3,%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm0,%xmm1
  ja     L2
  lea    D18(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L35
L2:
  lea    D63(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L35
L76:
  movq   %rbx,%xmm0
  lea    D78(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x1,%eax
  call   <snprintf@plt>
  jmp    L35
```

tool_calls: name: parse_data
arguments: data_label: D0
type_guessed: string
name: parse_data
arguments: data_label: D57
type_guessed: string
name: parse_data
arguments: data_label: D48
type_guessed: string
name: parse_data
arguments: data_label: D38
type_guessed: byte[8]
name: parse_data
arguments: data_label: D39
type_guessed: f64
name: parse_data
arguments: data_label: D18
type_guessed: string
name: parse_data
arguments: data_label: D63
type_guessed: string
name: parse_data
arguments: data_label: D78
type_guessed: string

tool: D0: nan

tool: D57: inf

tool: D48: -inf

tool: {"D38": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: D39: 1

tool: D18: 0

tool: D63: -0

tool: D78: %.17g

assistant: ```c
int d2string(char *buf, size_t len, double value) {
  if (isnan(value)) {
    len = snprintf(buf, len, "nan");
  } else if (isinf(value)) {
    if (value < 0)
      len = snprintf(buf, len, "-inf");
    else
      len = snprintf(buf, len, "inf");
  } else if (value == 0) {
    if (1.0 / value < 0)
      len = snprintf(buf, len, "-0");
    else
      len = snprintf(buf, len, "0");
  } else {
    len = snprintf(buf, len, "%.17g", value);
  }
  return len;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<d2string>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x18,%rsp
  movsd  %xmm0,0x8(%rsp)
  call   <isnan@plt>
  movsd  0x8(%rsp),%xmm0
  test   %rax,%rax
  je     L16
  lea    D29(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
L37:
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L16:
  movsd  %xmm0,0x8(%rsp)
  call   <isinf@plt>
  movsd  0x8(%rsp),%xmm0
  test   %rax,%rax
  jne    L75
  pxor   %xmm2,%xmm2
  ucomisd %xmm2,%xmm0
  jp     L23
  jne    L23
  movsd  D6(%rip),%xmm1
  divsd  %xmm0,%xmm1
  comisd %xmm1,%xmm2
  ja     L62
  lea    D62(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
  jmp    L37
  xchg   %ax,%ax
L75:
  pxor   %xmm1,%xmm1
  comisd %xmm0,%xmm1
  ja     L89
  mov    %rbp,%rsi
  mov    %r12,%rdi
  lea    D27(%rip),%rdx
  xor    %eax,%eax
  call   <snprintf@plt>
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L89:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  lea    D25(%rip),%rdx
  xor    %eax,%eax
  call   <snprintf@plt>
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L23:
  lea    D54(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x1,%eax
  call   <snprintf@plt>
  jmp    L37
  nopl   0x0(%rax)
L62:
  lea    D35(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
  jmp    L37
```

tool_calls: name: parse_data
arguments: data_tag: D29
type_infered: string
name: parse_data
arguments: data_tag: D6
type_infered: f64
name: parse_data
arguments: data_tag: D62
type_infered: string
name: parse_data
arguments: data_tag: D27
type_infered: string
name: parse_data
arguments: data_tag: D25
type_infered: string
name: parse_data
arguments: data_tag: D54
type_infered: string
name: parse_data
arguments: data_tag: D35
type_infered: string

tool: D29: nan

tool: D6: 1

tool: D62: 0

tool: D27: inf

tool: D25: -inf

tool: D54: %.17g

tool: D35: -0

assistant: ```c
int d2string(char *buf, size_t len, double value) {
  if (isnan(value)) {
    len = snprintf(buf, len, "nan");
  } else if (isinf(value)) {
    if (value < 0)
      len = snprintf(buf, len, "-inf");
    else
      len = snprintf(buf, len, "inf");
  } else if (value == 0) {
    if (1.0 / value < 0)
      len = snprintf(buf, len, "-0");
    else
      len = snprintf(buf, len, "0");
  } else {
    len = snprintf(buf, len, "%.17g", value);
  }
  return len;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<d2string>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x18,%rsp
  movsd  %xmm0,0x8(%rsp)
  call   <isnan@plt>
  movsd  0x8(%rsp),%xmm0
  test   %rax,%rax
  je     L24
  lea    D67(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
L1:
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  movsd  %xmm0,0x8(%rsp)
  call   <isinf@plt>
  movsd  0x8(%rsp),%xmm0
  test   %rax,%rax
  jne    L38
  pxor   %xmm2,%xmm2
  ucomisd %xmm2,%xmm0
  jp     L33
  jne    L33
  movsd  D40(%rip),%xmm1
  divsd  %xmm0,%xmm1
  comisd %xmm1,%xmm2
  ja     L15
  lea    D9(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
  jmp    L1
  xchg   %ax,%ax
L38:
  pxor   %xmm1,%xmm1
  comisd %xmm0,%xmm1
  ja     L71
  mov    %rbp,%rsi
  mov    %r12,%rdi
  lea    D61(%rip),%rdx
  xor    %eax,%eax
  call   <snprintf@plt>
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L71:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  lea    D37(%rip),%rdx
  xor    %eax,%eax
  call   <snprintf@plt>
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L33:
  lea    D38(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x1,%eax
  call   <snprintf@plt>
  jmp    L1
  nopl   0x0(%rax)
L15:
  lea    D21(%rip),%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <snprintf@plt>
  jmp    L1
```

tool_calls: name: read_data
arguments: tag: D67
datatype: string
name: read_data
arguments: tag: D40
datatype: f64
name: read_data
arguments: tag: D9
datatype: string
name: read_data
arguments: tag: D61
datatype: string
name: read_data
arguments: tag: D37
datatype: string
name: read_data
arguments: tag: D38
datatype: string
name: read_data
arguments: tag: D21
datatype: string

tool: D67: nan

tool: D40: 1

tool: D9: 0

tool: D61: inf

tool: D37: -inf

tool: D38: %.17g

tool: D21: -0

assistant: ```c
int d2string(char *buf, size_t len, double value) {
  if (isnan(value)) {
    len = snprintf(buf, len, "nan");
  } else if (isinf(value)) {
    if (value < 0)
      len = snprintf(buf, len, "-inf");
    else
      len = snprintf(buf, len, "inf");
  } else if (value == 0) {
    if (1.0 / value < 0)
      len = snprintf(buf, len, "-0");
    else
      len = snprintf(buf, len, "0");
  } else {
    len = snprintf(buf, len, "%.17g", value);
  }
  return len;
}
```
user: What is the c source code of the assembly code below?

```asm
<operate>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x78,%rsp
  mov    %edi,%eax
  mov    %rsi,-0x70(%rbp)
  mov    %rdx,-0x78(%rbp)
  mov    %al,-0x64(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    -0x50(%rbp),%rbx
  mov    %rbx,-0x58(%rbp)
  cmpb   $0x3d,-0x64(%rbp)
  je     L19
  mov    -0x70(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L11
  mov    %rbx,%rax
  lea    0x8(%rax),%rbx
  mov    -0x70(%rbp),%rdx
  mov    %rdx,(%rax)
L11:
  movzbl -0x64(%rbp),%eax
  mov    %al,-0x1a(%rbp)
  movb   $0x0,-0x19(%rbp)
  mov    %rbx,%rax
  lea    0x8(%rax),%rbx
  lea    -0x1a(%rbp),%rdx
  mov    %rdx,(%rax)
  cmpb   $0x3c,-0x64(%rbp)
  je     L1
  cmpb   $0x3e,-0x64(%rbp)
  jne    L19
L1:
  mov    %rbx,%rax
  lea    0x8(%rax),%rbx
  lea    -0x1a(%rbp),%rdx
  mov    %rdx,(%rax)
L19:
  mov    %rbx,%rax
  lea    0x8(%rax),%rbx
  mov    -0x78(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    %rbx,%rax
  lea    0x8(%rax),%rbx
  movq   $0x0,(%rax)
  lea    -0x58(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <expr@plt>
  mov    %eax,%ebx
  mov    -0x58(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L0
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <bferr@plt>
L0:
  mov    %ebx,%edi
  mov    $0x0,%eax
  call   <putn@plt>
  cltq
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L50
  call   <__stack_chk_fail@plt>
L50:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D8
type_infered: string

tool: D8: Expression syntax

assistant: ```c
char *operate(op, vp, p)
char op, *vp, *p;
{
  char opr[2];
  char *vec[5];
  register char **v = vec;
  char **vecp = v;
  register int i;
  if (op != '=') {
    if (*vp)
      *v++ = vp;
    opr[0] = op;
    opr[1] = 0;
    *v++ = opr;
    if (op == '<' || op == '>')
      *v++ = opr;
  }
  *v++ = p;
  *v++ = 0;
  i = expr(&vecp);
  if (*vecp)
    bferr("Expression syntax");
  return (putn(i));
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<operate>:
  endbr64
  push   %rbx
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rax
  mov    %rax,0x8(%rsp)
  cmp    $0x3d,%dil
  je     L43
  mov    %rax,%rcx
  cmpb   $0x0,(%rsi)
  je     L12
  mov    %rsi,0x10(%rsp)
  lea    0x18(%rsp),%rcx
L12:
  mov    %dil,0x46(%rsp)
  movb   $0x0,0x47(%rsp)
  lea    0x46(%rsp),%rax
  mov    %rax,(%rcx)
  and    $0xfffffffd,%edi
  lea    0x8(%rcx),%rax
  cmp    $0x3c,%dil
  jne    L43
  lea    0x10(%rcx),%rax
  lea    0x46(%rsp),%rsi
  mov    %rsi,0x8(%rcx)
L43:
  mov    %rdx,(%rax)
  movq   $0x0,0x8(%rax)
  lea    0x8(%rsp),%rdi
  mov    $0x0,%eax
  call   <expr@plt>
  mov    %eax,%ebx
  mov    0x8(%rsp),%rax
  cmpq   $0x0,(%rax)
  je     L33
  lea    D6(%rip),%rdi
  mov    $0x0,%eax
  call   <bferr@plt>
L33:
  mov    %ebx,%edi
  mov    $0x0,%eax
  call   <putn@plt>
  cltq
  mov    0x48(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x50,%rsp
  pop    %rbx
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D6
data_type: string

tool: D6: Expression syntax

assistant: ```c
char *operate(op, vp, p)
char op, *vp, *p;
{
  char opr[2];
  char *vec[5];
  register char **v = vec;
  char **vecp = v;
  register int i;
  if (op != '=') {
    if (*vp)
      *v++ = vp;
    opr[0] = op;
    opr[1] = 0;
    *v++ = opr;
    if (op == '<' || op == '>')
      *v++ = opr;
  }
  *v++ = p;
  *v++ = 0;
  i = expr(&vecp);
  if (*vecp)
    bferr("Expression syntax");
  return (putn(i));
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<operate>:
  endbr64
  push   %rbp
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rax
  mov    %rax,0x8(%rsp)
  mov    %rax,%rcx
  cmp    $0x3d,%dil
  je     L43
  cmpb   $0x0,(%rsi)
  je     L40
  mov    %rsi,0x10(%rsp)
  lea    0x18(%rsp),%rax
L40:
  mov    %dil,0x46(%rsp)
  lea    0x46(%rsp),%rsi
  and    $0xfffffffd,%edi
  lea    0x8(%rax),%rcx
  movb   $0x0,0x47(%rsp)
  mov    %rsi,(%rax)
  cmp    $0x3c,%dil
  je     L44
L43:
  mov    %rdx,(%rcx)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdi
  movq   $0x0,0x8(%rcx)
  call   <expr@plt>
  mov    %eax,%ebp
  mov    0x8(%rsp),%rax
  cmpq   $0x0,(%rax)
  je     L37
  lea    D6(%rip),%rdi
  xor    %eax,%eax
  call   <bferr@plt>
L37:
  mov    %ebp,%edi
  xor    %eax,%eax
  call   <putn@plt>
  cltq
  mov    0x48(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x50,%rsp
  pop    %rbp
  ret
  nopl   (%rax)
L44:
  mov    %rsi,0x8(%rax)
  lea    0x10(%rax),%rcx
  jmp    L43
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D6
type_infered: string

tool: D6: Expression syntax

assistant: ```c
char *operate(op, vp, p)
char op, *vp, *p;
{
  char opr[2];
  char *vec[5];
  register char **v = vec;
  char **vecp = v;
  register int i;
  if (op != '=') {
    if (*vp)
      *v++ = vp;
    opr[0] = op;
    opr[1] = 0;
    *v++ = opr;
    if (op == '<' || op == '>')
      *v++ = opr;
  }
  *v++ = p;
  *v++ = 0;
  i = expr(&vecp);
  if (*vecp)
    bferr("Expression syntax");
  return (putn(i));
}
```
user: What is the c source code of the assembly code below:

```asm
<operate>:
  endbr64
  push   %rbp
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rax
  mov    %rax,0x8(%rsp)
  mov    %rax,%rcx
  cmp    $0x3d,%dil
  je     L19
  cmpb   $0x0,(%rsi)
  je     L34
  mov    %rsi,0x10(%rsp)
  lea    0x18(%rsp),%rax
L34:
  mov    %dil,0x46(%rsp)
  lea    0x46(%rsp),%rsi
  and    $0xfffffffd,%edi
  lea    0x8(%rax),%rcx
  movb   $0x0,0x47(%rsp)
  mov    %rsi,(%rax)
  cmp    $0x3c,%dil
  je     L45
L19:
  mov    %rdx,(%rcx)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdi
  movq   $0x0,0x8(%rcx)
  call   <expr@plt>
  mov    %eax,%ebp
  mov    0x8(%rsp),%rax
  cmpq   $0x0,(%rax)
  je     L44
  lea    D0(%rip),%rdi
  xor    %eax,%eax
  call   <bferr@plt>
L44:
  mov    %ebp,%edi
  xor    %eax,%eax
  call   <putn@plt>
  cltq
  mov    0x48(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L25
  add    $0x50,%rsp
  pop    %rbp
  ret
  nopl   (%rax)
L45:
  mov    %rsi,0x8(%rax)
  lea    0x10(%rax),%rcx
  jmp    L19
L25:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D0
type: string

tool: D0: Expression syntax

assistant: ```c
char *operate(op, vp, p)
char op, *vp, *p;
{
  char opr[2];
  char *vec[5];
  register char **v = vec;
  char **vecp = v;
  register int i;
  if (op != '=') {
    if (*vp)
      *v++ = vp;
    opr[0] = op;
    opr[1] = 0;
    *v++ = opr;
    if (op == '<' || op == '>')
      *v++ = opr;
  }
  *v++ = p;
  *v++ = 0;
  i = expr(&vecp);
  if (*vecp)
    bferr("Expression syntax");
  return (putn(i));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<blockmix_pwxform>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r13
  mov    %rdi,0x18(%rsp)
  mov    %rsi,%rbx
  mov    %rdx,%r15
  mov    %rcx,0x8(%rsp)
  mov    %rcx,%rbp
  shl    $0x7,%rbp
  mov    %rbp,%r14
  shr    $0x6,%r14
  lea    -0x1(%r14),%rax
  mov    %rax,0x10(%rsp)
  mov    %rax,%rsi
  shl    $0x5,%rsi
  add    %rdi,%rsi
  mov    $0x8,%edx
  mov    %rbx,%rdi
  call   <blkcpy@plt>
  mov    $0x8,%edx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %r15,%rsi
  mov    %rbx,%rdi
  call   <block_pwxform@plt>
  cmp    $0x7f,%rbp
  jbe    L54
  lea    0x20(%rbx),%rbp
  add    $0x20,%r13
  mov    $0x1,%r12d
L32:
  lea    -0x20(%rbp),%rsi
  mov    $0x8,%edx
  mov    %rbp,%rdi
  call   <blkcpy@plt>
  mov    $0x8,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <blkxor@plt>
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <block_pwxform@plt>
  add    $0x1,%r12
  add    $0x20,%rbp
  add    $0x20,%r13
  cmp    %r12,%r14
  ja     L32
  mov    $0x2,%eax
  cmp    %rax,%r14
  cmovb  %rax,%r14
L44:
  lea    0x0(,%r14,8),%rdx
  mov    0x8(%rsp),%rax
  shl    $0x4,%rax
  cmp    %rax,%rdx
  jb     L17
L15:
  movabs $0x1fffffffffffffff,%rax
  mov    0x10(%rsp),%rbp
  and    %rax,%rbp
  mov    0x8(%rsp),%r12
  add    %r12,%r12
  mov    %rbp,%rax
  shl    $0x5,%rax
  add    %rax,%rbx
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  add    $0x1,%rbp
  cmp    %rbp,%r12
  jbe    L12
L42:
  mov    %rbx,%rsi
  add    $0x20,%rbx
  mov    $0x8,%edx
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  add    $0x1,%rbp
  cmp    %rbp,%r12
  jne    L42
L12:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L54:
  mov    $0x1,%r14d
  jmp    L44
L17:
  mov    %r14,%rdi
  shl    $0x5,%rdi
  mov    0x8(%rsp),%rax
  lea    (%rax,%rax,1),%rdx
  sub    %r14,%rdx
  shl    $0x3,%rdx
  mov    0x18(%rsp),%rsi
  add    %rdi,%rsi
  add    %rbx,%rdi
  call   <blkcpy@plt>
  jmp    L15
```

assistant: ```c
void blockmix_pwxform(const uint64_t *Bin, uint64_t *Bout, uint64_t *S, size_t r) {
  size_t r1, r2, i;
  r1 = r * 128 / ((4 * 2) * 8);
  blkcpy(Bout, &Bin[(r1 - 1) * (4 * 2)], (4 * 2));
  blkxor(Bout, Bin, (4 * 2));
  block_pwxform(Bout, S);
  for (i = 1; i < r1; i++) {
    blkcpy(&Bout[i * (4 * 2)], &Bout[(i - 1) * (4 * 2)], (4 * 2));
    blkxor(&Bout[i * (4 * 2)], &Bin[i * (4 * 2)], (4 * 2));
    block_pwxform(&Bout[i * (4 * 2)], S);
  }
  if (i * (4 * 2) < r * 16) {
    blkcpy(&Bout[i * (4 * 2)], &Bin[i * (4 * 2)], r * 16 - i * (4 * 2));
  }
  i = (r1 - 1) * (4 * 2) / 8;
  r2 = r * 2;
  salsa20_8(&Bout[i * 8]);
  i++;
  for (; i < r2; i++) {
    blkxor(&Bout[i * 8], &Bout[(i - 1) * 8], 8);
    salsa20_8(&Bout[i * 8]);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<blockmix_pwxform>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  mov    %rcx,%r14
  shl    $0x7,%r14
  push   %r13
  shr    $0x6,%r14
  push   %r12
  mov    %rdx,%r12
  mov    $0x8,%edx
  push   %rbp
  lea    -0x1(%r14),%rax
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  mov    %rax,%rsi
  shl    $0x5,%rsi
  add    %rdi,%rsi
  sub    $0x28,%rsp
  mov    %rdi,0x18(%rsp)
  mov    %rbx,%rdi
  mov    %rcx,0x10(%rsp)
  mov    %rax,0x8(%rsp)
  call   <blkcpy@plt>
  mov    %r15,%rsi
  mov    %rbx,%rdi
  mov    $0x8,%edx
  call   <blkxor@plt>
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <block_pwxform@plt>
  cmp    $0x1,%r14
  jbe    L28
  mov    %r14,%r13
  lea    0x20(%rbx),%r15
  add    $0x20,%rbp
  shl    $0x5,%r13
  add    %rbx,%r13
  nopw   0x0(%rax,%rax,1)
L10:
  lea    -0x20(%r15),%rsi
  mov    %r15,%rdi
  mov    $0x8,%edx
  call   <blkcpy@plt>
  mov    %rbp,%rsi
  mov    %r15,%rdi
  mov    $0x8,%edx
  call   <blkxor@plt>
  mov    %r15,%rdi
  mov    %r12,%rsi
  add    $0x20,%r15
  call   <block_pwxform@plt>
  add    $0x20,%rbp
  cmp    %r13,%r15
  jne    L10
  lea    0x0(,%r14,8),%rdx
L21:
  mov    0x10(%rsp),%rax
  lea    (%rax,%rax,1),%rbp
  shl    $0x4,%rax
  cmp    %rdx,%rax
  ja     L41
L24:
  movabs $0x1fffffffffffffff,%rax
  mov    0x8(%rsp),%r12
  and    %rax,%r12
  mov    %r12,%rax
  add    $0x1,%r12
  shl    $0x5,%rax
  add    %rax,%rbx
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  cmp    %rbp,%r12
  jae    L9
L40:
  mov    %rbx,%rsi
  add    $0x20,%rbx
  mov    $0x8,%edx
  add    $0x1,%r12
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  cmp    %rbp,%r12
  jne    L40
L9:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L41:
  mov    0x18(%rsp),%rsi
  mov    %r14,%rdi
  mov    %rbp,%rdx
  shl    $0x5,%rdi
  sub    %r14,%rdx
  add    %rdi,%rsi
  shl    $0x3,%rdx
  add    %rbx,%rdi
  call   <blkcpy@plt>
  jmp    L24
  xchg   %ax,%ax
L28:
  mov    $0x8,%edx
  mov    $0x1,%r14d
  jmp    L21
```

assistant: ```c
void blockmix_pwxform(const uint64_t *Bin, uint64_t *Bout, uint64_t *S, size_t r) {
  size_t r1, r2, i;
  r1 = r * 128 / ((4 * 2) * 8);
  blkcpy(Bout, &Bin[(r1 - 1) * (4 * 2)], (4 * 2));
  blkxor(Bout, Bin, (4 * 2));
  block_pwxform(Bout, S);
  for (i = 1; i < r1; i++) {
    blkcpy(&Bout[i * (4 * 2)], &Bout[(i - 1) * (4 * 2)], (4 * 2));
    blkxor(&Bout[i * (4 * 2)], &Bin[i * (4 * 2)], (4 * 2));
    block_pwxform(&Bout[i * (4 * 2)], S);
  }
  if (i * (4 * 2) < r * 16) {
    blkcpy(&Bout[i * (4 * 2)], &Bin[i * (4 * 2)], r * 16 - i * (4 * 2));
  }
  i = (r1 - 1) * (4 * 2) / 8;
  r2 = r * 2;
  salsa20_8(&Bout[i * 8]);
  i++;
  for (; i < r2; i++) {
    blkxor(&Bout[i * 8], &Bout[(i - 1) * 8], 8);
    salsa20_8(&Bout[i * 8]);
  }
}
```