ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<read_bin_onego>:
  endbr64
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %rsi,%r13
  lea    D3(%rip),%rsi
  push   %r12
  push   %rbp
  push   %rbx
  call   <fopen@plt>
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <assert@plt>
  xor    %edi,%edi
  call   <time@plt>
  mov    %rbp,%rcx
  mov    %r14d,%edx
  mov    $0x8,%esi
  mov    %r13,%rdi
  mov    %rax,%r12
  call   <fread@plt>
  xor    %edi,%edi
  call   <time@plt>
  mov    %rbp,%rdi
  mov    %rax,%rbx
  call   <fclose@plt>
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  sub    %r12d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D3
data_type: string

tool: D3: rb

assistant: ```c
int read_bin_onego(const char *fname, double *data, const int ndata) {
  FILE *fp;
  time_t start, end;
  fp = fopen(fname, "rb");
  assert(fp);
  start = time(NULL);
  fread(data, sizeof(double), ndata, fp);
  end = time(NULL);
  fclose(fp);
  return (int)(end - start);
}
```
user: Translate the below assembly code into C programming language:

```asm
<read_bin_onego>:
  endbr64
  push   %r14
  mov    %edx,%r14d
  push   %r13
  mov    %rsi,%r13
  lea    D8(%rip),%rsi
  push   %r12
  push   %rbp
  push   %rbx
  call   <fopen@plt>
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <assert@plt>
  xor    %edi,%edi
  call   <time@plt>
  mov    %rbp,%rcx
  mov    %r14d,%edx
  mov    $0x8,%esi
  mov    %r13,%rdi
  mov    %rax,%r12
  call   <fread@plt>
  xor    %edi,%edi
  call   <time@plt>
  mov    %rbp,%rdi
  mov    %rax,%rbx
  call   <fclose@plt>
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  sub    %r12d,%eax
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D8
type_guessed: string

tool: D8: rb

assistant: ```c
int read_bin_onego(const char *fname, double *data, const int ndata) {
  FILE *fp;
  time_t start, end;
  fp = fopen(fname, "rb");
  assert(fp);
  start = time(NULL);
  fread(data, sizeof(double), ndata, fp);
  end = time(NULL);
  fclose(fp);
  return (int)(end - start);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<betterFitness>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movsd  %xmm0,-0x18(%rbp)
  movsd  %xmm1,-0x20(%rbp)
  movsd  %xmm2,-0x28(%rbp)
  movsd  %xmm3,-0x30(%rbp)
  movb   $0x0,-0x1(%rbp)
  movsd  -0x20(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm1,%xmm0
  jbe    L44
  movsd  -0x30(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm1,%xmm0
  jbe    L54
  movsd  -0x30(%rbp),%xmm0
  comisd -0x20(%rbp),%xmm0
  jbe    L54
  movb   $0x1,-0x1(%rbp)
  jmp    L54
L44:
  movsd  -0x30(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  comisd %xmm1,%xmm0
  jbe    L67
  movb   $0x1,-0x1(%rbp)
  jmp    L54
L67:
  movsd  -0x18(%rbp),%xmm0
  comisd -0x28(%rbp),%xmm0
  jbe    L54
  movb   $0x1,-0x1(%rbp)
L54:
  movzbl -0x1(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
char betterFitness(double objective_value_x, double constraint_value_x, double objective_value_y, double constraint_value_y) {
  char result;
  result = 0;
  if (constraint_value_x > 0) {
    if (constraint_value_y > 0) {
      if (constraint_value_x < constraint_value_y)
        result = 1;
    }
  } else {
    if (constraint_value_y > 0)
      result = 1;
    else {
      if (objective_value_x > objective_value_y)
        result = 1;
    }
  }
  return (result);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<betterFitness>:
  endbr64
  pxor   %xmm4,%xmm4
  comisd %xmm4,%xmm1
  jbe    L16
  comisd %xmm4,%xmm3
  jbe    L10
  comisd %xmm1,%xmm3
  seta   %al
  ret
  nopl   0x0(%rax)
L10:
  xor    %eax,%eax
L15:
  ret
  nopl   0x0(%rax,%rax,1)
L16:
  comisd %xmm4,%xmm3
  mov    $0x1,%eax
  ja     L15
  comisd %xmm2,%xmm0
  seta   %al
  ret
```

assistant: ```c
char betterFitness(double objective_value_x, double constraint_value_x, double objective_value_y, double constraint_value_y) {
  char result;
  result = 0;
  if (constraint_value_x > 0) {
    if (constraint_value_y > 0) {
      if (constraint_value_x < constraint_value_y)
        result = 1;
    }
  } else {
    if (constraint_value_y > 0)
      result = 1;
    else {
      if (objective_value_x > objective_value_y)
        result = 1;
    }
  }
  return (result);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<betterFitness>:
  endbr64
  pxor   %xmm4,%xmm4
  comisd %xmm4,%xmm1
  jbe    L5
  comisd %xmm4,%xmm3
  jbe    L8
  comisd %xmm1,%xmm3
  seta   %al
  ret
  nopl   0x0(%rax)
L8:
  xor    %eax,%eax
L28:
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  comisd %xmm4,%xmm3
  mov    $0x1,%eax
  ja     L28
  comisd %xmm2,%xmm0
  seta   %al
  ret
```

assistant: ```c
char betterFitness(double objective_value_x, double constraint_value_x, double objective_value_y, double constraint_value_y) {
  char result;
  result = 0;
  if (constraint_value_x > 0) {
    if (constraint_value_y > 0) {
      if (constraint_value_x < constraint_value_y)
        result = 1;
    }
  } else {
    if (constraint_value_y > 0)
      result = 1;
    else {
      if (objective_value_x > objective_value_y)
        result = 1;
    }
  }
  return (result);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<BMP_scale>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %esi,%r11d
  mov    %edx,%eax
  mov    %ecx,%esi
  mov    0x38(%rsp),%ebx
  mov    %r11d,%r13d
  mov    %r9d,%ecx
  movzwl %r11w,%r11d
  mov    $0x0,%edx
  div    %bx
  mov    %dx,-0xa(%rsp)
  movzwl %ax,%ebp
  sub    $0x1,%ebp
  imul   %r11d,%ebp
  mov    %r13d,%eax
  mov    $0x0,%edx
  div    %r9w
  movzwl %si,%esi
  sub    %r11d,%esi
  movzwl 0x40(%rsp),%r11d
  movzwl %r9w,%r9d
  sub    %r9d,%r11d
  test   %bx,%bx
  je     L46
  mov    %ebx,%r10d
  movslq %esi,%r14
  movslq %r11d,%r11
  lea    -0x1(%rbx),%esi
  mov    $0x0,%r9d
  lea    -0x1(%rcx),%ebx
  movzwl %bx,%ebx
  add    $0x1,%rbx
  mov    $0x0,%r15d
  movzwl %ax,%eax
  movslq %ebp,%rbp
  lea    0x0(%rbp,%r14,1),%r12
  movzwl %r13w,%r14d
  mov    %r14,-0x8(%rsp)
  jmp    L11
L83:
  cmp    %r14,%r8
  je     L72
L61:
  add    $0x1,%r8
  movzbl (%rdi),%ebp
  mov    %bpl,-0x1(%r8)
  add    %rax,%rdi
  lea    0x0(%r13,%rdx,1),%ebp
  mov    %ebp,%r13d
  cmp    %bp,%cx
  jg     L83
  sub    %ecx,%ebp
  mov    %ebp,%r13d
  add    $0x1,%rdi
  jmp    L83
L72:
  lea    (%r14,%r11,1),%r8
  add    %r12,%rdi
  movzwl -0xa(%rsp),%r14d
  lea    (%r9,%r14,1),%ebp
  mov    %ebp,%r9d
  cmp    %bp,%r10w
  jg     L2
  sub    %r10d,%r9d
  add    -0x8(%rsp),%rdi
L2:
  sub    $0x1,%esi
  cmp    $0xffff,%si
  je     L46
L11:
  lea    (%r8,%rbx,1),%r14
  mov    %r15d,%r13d
  test   %cx,%cx
  jne    L61
  mov    %r8,%r14
  jmp    L72
L46:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void BMP_scale(const unsigned char *src_buf, unsigned short src_wb, unsigned short src_h, unsigned short src_pitch, unsigned char *dst_buf, unsigned short dst_wb, unsigned short dst_h, unsigned short dst_pitch) {
  const long yd = ((src_h / dst_h) * src_wb) - src_wb;
  const unsigned short yr = src_h % dst_h;
  const long xd = src_wb / dst_wb;
  const unsigned short xr = src_wb % dst_wb;
  const unsigned long adj_src = src_pitch - src_wb;
  const unsigned long adj_dst = dst_pitch - dst_wb;
  const unsigned char *src = src_buf;
  unsigned char *dst = dst_buf;
  unsigned short y = dst_h;
  short ye = 0;
  while (y--) {
    unsigned short x = dst_wb;
    short xe = 0;
    while (x--) {
      *dst++ = *src;
      src += xd;
      if ((xe += xr) >= (short)dst_wb) {
        xe -= dst_wb;
        src++;
      }
    }
    src += adj_src;
    dst += adj_dst;
    src += yd;
    if ((ye += yr) >= (short)dst_h) {
      ye -= dst_h;
      src += src_wb;
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<BMP_scale>:
  endbr64
  push   %r15
  mov    %edx,%eax
  xor    %edx,%edx
  mov    %ecx,%r10d
  push   %r14
  mov    %esi,%r14d
  mov    %r9d,%ecx
  movzwl %si,%esi
  push   %r13
  movzwl %r10w,%r10d
  push   %r12
  sub    %esi,%r10d
  push   %rbp
  push   %rbx
  mov    0x38(%rsp),%ebx
  movzwl 0x40(%rsp),%ebp
  div    %bx
  movzwl %ax,%r11d
  mov    %edx,%r12d
  mov    %r14d,%eax
  xor    %edx,%edx
  div    %r9w
  sub    $0x1,%r11d
  movzwl %r9w,%r9d
  imul   %esi,%r11d
  sub    %r9d,%ebp
  test   %bx,%bx
  je     L36
  movslq %r10d,%rsi
  movslq %r11d,%r11
  mov    %ebx,%r13d
  movslq %ebp,%rbp
  add    %rsi,%r11
  movzwl %ax,%esi
  movzwl %r14w,%eax
  xor    %r9d,%r9d
  mov    %rax,-0x8(%rsp)
  lea    -0x1(%rbx),%r10d
  movzwl %cx,%r15d
  nop
L12:
  lea    (%r8,%r15,1),%r14
  xor    %eax,%eax
  test   %cx,%cx
  je     L50
  mov    %r9w,-0xa(%rsp)
  nopl   0x0(%rax)
L48:
  movzbl (%rdi),%r9d
  add    %edx,%eax
  add    $0x1,%r8
  add    %rsi,%rdi
  mov    %r9b,-0x1(%r8)
  cmp    %ax,%cx
  jg     L26
  sub    %ecx,%eax
  add    $0x1,%rdi
L26:
  cmp    %r8,%r14
  jne    L48
  movzwl -0xa(%rsp),%r9d
L31:
  add    %r12d,%r9d
  lea    (%r14,%rbp,1),%r8
  add    %r11,%rdi
  cmp    %bx,%r9w
  jl     L59
  sub    %r13d,%r9d
  add    -0x8(%rsp),%rdi
L59:
  sub    $0x1,%r10d
  cmp    $0xffff,%r10w
  jne    L12
L36:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L50:
  mov    %r8,%r14
  jmp    L31
```

assistant: ```c
void BMP_scale(const unsigned char *src_buf, unsigned short src_wb, unsigned short src_h, unsigned short src_pitch, unsigned char *dst_buf, unsigned short dst_wb, unsigned short dst_h, unsigned short dst_pitch) {
  const long yd = ((src_h / dst_h) * src_wb) - src_wb;
  const unsigned short yr = src_h % dst_h;
  const long xd = src_wb / dst_wb;
  const unsigned short xr = src_wb % dst_wb;
  const unsigned long adj_src = src_pitch - src_wb;
  const unsigned long adj_dst = dst_pitch - dst_wb;
  const unsigned char *src = src_buf;
  unsigned char *dst = dst_buf;
  unsigned short y = dst_h;
  short ye = 0;
  while (y--) {
    unsigned short x = dst_wb;
    short xe = 0;
    while (x--) {
      *dst++ = *src;
      src += xd;
      if ((xe += xr) >= (short)dst_wb) {
        xe -= dst_wb;
        src++;
      }
    }
    src += adj_src;
    dst += adj_dst;
    src += yd;
    if ((ye += yr) >= (short)dst_h) {
      ye -= dst_h;
      src += src_wb;
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<BMP_scale>:
  endbr64
  push   %r15
  mov    %edx,%eax
  xor    %edx,%edx
  movzwl %si,%r11d
  push   %r14
  mov    %esi,%r14d
  movzwl %cx,%r10d
  push   %r13
  sub    %r11d,%r10d
  push   %r12
  push   %rbp
  push   %rbx
  mov    0x38(%rsp),%r15d
  movzwl 0x40(%rsp),%ebx
  div    %r15w
  movzwl %ax,%esi
  mov    %edx,%r12d
  mov    %r14d,%eax
  xor    %edx,%edx
  sub    $0x1,%esi
  imul   %r11d,%esi
  movzwl %r9w,%r11d
  div    %r9w
  sub    %r11d,%ebx
  test   %r15w,%r15w
  je     L37
  movslq %r10d,%r10
  movslq %esi,%rsi
  lea    (%rsi,%r10,1),%rbp
  test   %r9w,%r9w
  je     L37
  movzwl %r9w,%esi
  mov    %r9d,%ecx
  movzwl %ax,%r9d
  movzwl %r14w,%eax
  mov    %rax,-0x8(%rsp)
  movslq %ebx,%rbx
  mov    %r15d,%r13d
  lea    -0x1(%r15),%r11d
  add    %rsi,%rbx
  xor    %r10d,%r10d
  add    %r8,%rsi
L18:
  mov    %r8,-0x10(%rsp)
  mov    %r8,%r14
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L21:
  movzbl (%rdi),%r8d
  add    %edx,%eax
  add    $0x1,%r14
  add    %r9,%rdi
  mov    %r8b,-0x1(%r14)
  cmp    %cx,%ax
  jl     L52
  sub    %ecx,%eax
  add    $0x1,%rdi
L52:
  cmp    %rsi,%r14
  jne    L21
  mov    -0x10(%rsp),%r8
  add    %r12d,%r10d
  add    %rbp,%rdi
  add    %rbx,%r8
  cmp    %r10w,%r15w
  jg     L46
  sub    %r13d,%r10d
  add    -0x8(%rsp),%rdi
L46:
  sub    $0x1,%r11d
  add    %rbx,%rsi
  cmp    $0xffff,%r11w
  jne    L18
L37:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void BMP_scale(const unsigned char *src_buf, unsigned short src_wb, unsigned short src_h, unsigned short src_pitch, unsigned char *dst_buf, unsigned short dst_wb, unsigned short dst_h, unsigned short dst_pitch) {
  const long yd = ((src_h / dst_h) * src_wb) - src_wb;
  const unsigned short yr = src_h % dst_h;
  const long xd = src_wb / dst_wb;
  const unsigned short xr = src_wb % dst_wb;
  const unsigned long adj_src = src_pitch - src_wb;
  const unsigned long adj_dst = dst_pitch - dst_wb;
  const unsigned char *src = src_buf;
  unsigned char *dst = dst_buf;
  unsigned short y = dst_h;
  short ye = 0;
  while (y--) {
    unsigned short x = dst_wb;
    short xe = 0;
    while (x--) {
      *dst++ = *src;
      src += xd;
      if ((xe += xr) >= (short)dst_wb) {
        xe -= dst_wb;
        src++;
      }
    }
    src += adj_src;
    dst += adj_dst;
    src += yd;
    if ((ye += yr) >= (short)dst_h) {
      ye -= dst_h;
      src += src_wb;
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<ClassOf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  add    $0xffffff80,%eax
  cmp    $0x5,%eax
  ja     L63
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D63(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D63(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D80(%rip),%rax
  jmp    L43
  lea    D56(%rip),%rax
  jmp    L43
  lea    D32(%rip),%rax
  jmp    L43
  lea    D57(%rip),%rax
  jmp    L43
  lea    D72(%rip),%rax
  jmp    L43
  lea    D64(%rip),%rax
  jmp    L43
L63:
  lea    D30(%rip),%rax
L43:
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D80
type: string
name: unpack_data
arguments: data_tag: D56
type: string
name: unpack_data
arguments: data_tag: D32
type: string
name: unpack_data
arguments: data_tag: D57
type: string
name: unpack_data
arguments: data_tag: D72
type: string
name: unpack_data
arguments: data_tag: D64
type: string
name: unpack_data
arguments: data_tag: D30
type: string

tool: D80: sg

tool: D56: gs

tool: D32: sc

tool: D57: pc

tool: D72: tc

tool: D64: dc

tool: D30: ??

assistant: ```c
char *ClassOf(int c) {
  switch (c) {
  case StaticGray:
    return "sg";
  case GrayScale:
    return "gs";
  case StaticColor:
    return "sc";
  case PseudoColor:
    return "pc";
  case TrueColor:
    return "tc";
  case DirectColor:
    return "dc";
  default:
    return "??";
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<ClassOf>:
  endbr64
  add    $0xffffff80,%edi
  cmp    $0x5,%edi
  ja     L3
  lea    D17(%rip),%rdx
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nopl   (%rax)
  lea    D76(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D54(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D14(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D0(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D74(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D24(%rip),%rax
  ret
L3:
  lea    D9(%rip),%rax
  ret
```

tool_calls: name: unpack_data
arguments: tag: D76
data_type: string
name: unpack_data
arguments: tag: D54
data_type: string
name: unpack_data
arguments: tag: D14
data_type: string
name: unpack_data
arguments: tag: D0
data_type: string
name: unpack_data
arguments: tag: D74
data_type: string
name: unpack_data
arguments: tag: D24
data_type: string
name: unpack_data
arguments: tag: D9
data_type: string

tool: D76: gs

tool: D54: sg

tool: D14: tc

tool: D0: dc

tool: D74: sc

tool: D24: pc

tool: D9: ??

assistant: ```c
char *ClassOf(int c) {
  switch (c) {
  case StaticGray:
    return "sg";
  case GrayScale:
    return "gs";
  case StaticColor:
    return "sc";
  case PseudoColor:
    return "pc";
  case TrueColor:
    return "tc";
  case DirectColor:
    return "dc";
  default:
    return "??";
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<ClassOf>:
  endbr64
  add    $0xffffff80,%edi
  cmp    $0x5,%edi
  ja     L9
  lea    D50(%rip),%rdx
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nopl   (%rax)
  lea    D44(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D59(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D73(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D35(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D14(%rip),%rax
  ret
  nopl   0x0(%rax,%rax,1)
  lea    D31(%rip),%rax
  ret
L9:
  lea    D9(%rip),%rax
  ret
```

tool_calls: name: unpack_data
arguments: tag: D44
type_guessed: string
name: unpack_data
arguments: tag: D59
type_guessed: string
name: unpack_data
arguments: tag: D73
type_guessed: string
name: unpack_data
arguments: tag: D35
type_guessed: string
name: unpack_data
arguments: tag: D14
type_guessed: string
name: unpack_data
arguments: tag: D31
type_guessed: string
name: unpack_data
arguments: tag: D9
type_guessed: string

tool: D44: gs

tool: D59: sg

tool: D73: tc

tool: D35: dc

tool: D14: sc

tool: D31: pc

tool: D9: ??

assistant: ```c
char *ClassOf(int c) {
  switch (c) {
  case StaticGray:
    return "sg";
  case GrayScale:
    return "gs";
  case StaticColor:
    return "sc";
  case PseudoColor:
    return "pc";
  case TrueColor:
    return "tc";
  case DirectColor:
    return "dc";
  default:
    return "??";
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fast_memfill32_s20>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    -0x1c(%rbp),%edx
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x8(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x8(%rbp),%rax
  lea    0xc(%rax),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x8(%rbp),%rax
  lea    0x10(%rax),%rdx
  mov    -0x1c(%rbp),%eax
  mov    %eax,(%rdx)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void fast_memfill32_s20(void *v_to, uint32_t val) {
  uint32_t *to = (uint32_t *)v_to;
  *(to) = val;
  *(to + 1) = val;
  *(to + 2) = val;
  *(to + 3) = val;
  *(to + 4) = val;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fast_memfill32_s20>:
  endbr64
  mov    %esi,(%rdi)
  mov    %esi,0x4(%rdi)
  mov    %esi,0x8(%rdi)
  mov    %esi,0xc(%rdi)
  mov    %esi,0x10(%rdi)
  ret
```

assistant: ```c
void fast_memfill32_s20(void *v_to, uint32_t val) {
  uint32_t *to = (uint32_t *)v_to;
  *(to) = val;
  *(to + 1) = val;
  *(to + 2) = val;
  *(to + 3) = val;
  *(to + 4) = val;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<fast_memfill32_s20>:
  endbr64
  movd   %esi,%xmm1
  mov    %esi,0x10(%rdi)
  pshufd $0x0,%xmm1,%xmm0
  movups %xmm0,(%rdi)
  ret
```

assistant: ```c
void fast_memfill32_s20(void *v_to, uint32_t val) {
  uint32_t *to = (uint32_t *)v_to;
  *(to) = val;
  *(to + 1) = val;
  *(to + 2) = val;
  *(to + 3) = val;
  *(to + 4) = val;
}
```
user: What is the c source code of the assembly code below?

```asm
<join>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,%eax
  mov    %al,-0x2c(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L31
  cmpb   $0x0,-0x2c(%rbp)
  jne    L25
L31:
  mov    $0x0,%eax
  jmp    L37
L25:
  movq   $0x0,-0x18(%rbp)
  mov    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  movq   $0x0,-0x18(%rbp)
  jmp    L29
L72:
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  mov    %rax,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  lea    0x2(%rax),%rcx
  movsbl -0x2c(%rbp),%edx
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rsi
  mov    -0x28(%rbp),%rax
  add    %rsi,%rax
  mov    (%rax),%rsi
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <cadena_concatenar@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L23
  mov    $0x0,%eax
  jmp    L37
L23:
  addq   $0x1,-0x18(%rbp)
L29:
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L72
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L20
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L20:
  mov    -0x10(%rbp),%rax
L37:
  leave
  ret
```

assistant: ```c
char *join(char **strv, char sep) {
  if (!strv || sep == '\0')
    return NULL;
  size_t i = 0, str_largo;
  char *str = malloc(1);
  str[i] = '\0';
  for (i = 0; strv[i]; i++) {
    str_largo = strlen(strv[i]);
    str = cadena_concatenar(str, strv[i], sep, strlen(str) + str_largo + 2);
    if (!str)
      return NULL;
  }
  if (strlen(str) > 0)
    str[strlen(str) - 1] = '\0';
  return str;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<join>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L46
  mov    %rdi,%r12
  mov    %esi,%r13d
  test   %sil,%sil
  je     L46
  mov    $0x1,%edi
  call   <malloc@plt>
  mov    %rax,%rbx
  movb   $0x0,(%rax)
  mov    (%r12),%rdi
  test   %rdi,%rdi
  je     L48
  movsbl %r13b,%r13d
L25:
  call   <strlen@plt>
  mov    %eax,%ebp
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  movslq %ebp,%rbp
  lea    0x2(%rax,%rbp,1),%rcx
  mov    %r13d,%edx
  mov    (%r12),%rsi
  mov    %rbx,%rdi
  call   <cadena_concatenar@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L32
  add    $0x8,%r12
  mov    (%r12),%rdi
  test   %rdi,%rdi
  jne    L25
L48:
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L32
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  movb   $0x0,-0x1(%rbx,%rax,1)
  jmp    L32
L46:
  mov    $0x0,%ebx
L32:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *join(char **strv, char sep) {
  if (!strv || sep == '\0')
    return NULL;
  size_t i = 0, str_largo;
  char *str = malloc(1);
  str[i] = '\0';
  for (i = 0; strv[i]; i++) {
    str_largo = strlen(strv[i]);
    str = cadena_concatenar(str, strv[i], sep, strlen(str) + str_largo + 2);
    if (!str)
      return NULL;
  }
  if (strlen(str) > 0)
    str[strlen(str) - 1] = '\0';
  return str;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<join>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L43
  mov    %esi,%r13d
  test   %sil,%sil
  je     L43
  mov    %rdi,%r12
  mov    $0x1,%edi
  call   <malloc@plt>
  movb   $0x0,(%rax)
  mov    (%r12),%rdi
  mov    %rax,%rbp
  test   %rdi,%rdi
  je     L3
  movsbl %r13b,%r13d
  jmp    L2
  nopl   (%rax)
L47:
  mov    0x8(%r12),%rdi
  add    $0x8,%r12
  test   %rdi,%rdi
  je     L3
L2:
  call   <strlen@plt>
  mov    %rbp,%rdi
  movslq %eax,%rbx
  call   <strlen@plt>
  mov    (%r12),%rsi
  mov    %rbp,%rdi
  mov    %r13d,%edx
  cltq
  lea    0x2(%rax,%rbx,1),%rcx
  call   <cadena_concatenar@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L47
L43:
  xor    %ebp,%ebp
L32:
  add    $0x8,%rsp
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L3:
  mov    %rbp,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L32
  mov    %rbp,%rdi
  call   <strlen@plt>
  cltq
  movb   $0x0,-0x1(%rbp,%rax,1)
  add    $0x8,%rsp
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *join(char **strv, char sep) {
  if (!strv || sep == '\0')
    return NULL;
  size_t i = 0, str_largo;
  char *str = malloc(1);
  str[i] = '\0';
  for (i = 0; strv[i]; i++) {
    str_largo = strlen(strv[i]);
    str = cadena_concatenar(str, strv[i], sep, strlen(str) + str_largo + 2);
    if (!str)
      return NULL;
  }
  if (strlen(str) > 0)
    str[strlen(str) - 1] = '\0';
  return str;
}
```