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
<board_col_to_matrix_idx>:
  endbr64
  sub    $0x41,%edi
  cmp    $0x2b,%dil
  ja     L3
  movzbl %dil,%edi
  lea    D7(%rip),%rdx
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x1,%eax
  ret
  mov    $0x2,%eax
  ret
  mov    $0x3,%eax
  ret
  mov    $0x4,%eax
  ret
  mov    $0x5,%eax
  ret
  mov    $0x6,%eax
  ret
  mov    $0x7,%eax
  ret
  mov    $0x8,%eax
  ret
  mov    $0x9,%eax
  ret
  mov    $0xa,%eax
  ret
  mov    $0xb,%eax
  ret
L3:
  sub    $0x8,%rsp
  lea    D11(%rip),%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  add    $0x8,%rsp
  ret
  mov    $0x0,%eax
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D11
data_type: string

tool: D11: Invalid column!

assistant: ```c
int board_col_to_matrix_idx(char col) {
  int col_int;
  switch (col) {
  case 'a':
  case 'A':
    col_int = 0;
    break;
  case 'b':
  case 'B':
    col_int = 1;
    break;
  case 'c':
  case 'C':
    col_int = 2;
    break;
  case 'd':
  case 'D':
    col_int = 3;
    break;
  case 'e':
  case 'E':
    col_int = 4;
    break;
  case 'f':
  case 'F':
    col_int = 5;
    break;
  case 'g':
  case 'G':
    col_int = 6;
    break;
  case 'h':
  case 'H':
    col_int = 7;
    break;
  case 'i':
  case 'I':
    col_int = 8;
    break;
  case 'j':
  case 'J':
    col_int = 9;
    break;
  case 'k':
  case 'K':
    col_int = 10;
    break;
  case 'l':
  case 'L':
    col_int = 11;
    break;
  default:
    col_int = -1;
    printf("Invalid column!");
  }
  return col_int;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<board_col_to_matrix_idx>:
  endbr64
  sub    $0x41,%edi
  cmp    $0x2b,%dil
  ja     L7
  lea    D1(%rip),%rdx
  movzbl %dil,%edi
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nopw   0x0(%rax,%rax,1)
L7:
  sub    $0x8,%rsp
  lea    D3(%rip),%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  add    $0x8,%rsp
  ret
  nopw   0x0(%rax,%rax,1)
  mov    $0x2,%eax
  ret
  xchg   %ax,%ax
  mov    $0x3,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x4,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x5,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x6,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x7,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x8,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x9,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0xa,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0xb,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
  mov    $0x1,%eax
  ret
```

tool_calls: name: parse_data
arguments: label: D3
type: string

tool: D3: Invalid column!

assistant: ```c
int board_col_to_matrix_idx(char col) {
  int col_int;
  switch (col) {
  case 'a':
  case 'A':
    col_int = 0;
    break;
  case 'b':
  case 'B':
    col_int = 1;
    break;
  case 'c':
  case 'C':
    col_int = 2;
    break;
  case 'd':
  case 'D':
    col_int = 3;
    break;
  case 'e':
  case 'E':
    col_int = 4;
    break;
  case 'f':
  case 'F':
    col_int = 5;
    break;
  case 'g':
  case 'G':
    col_int = 6;
    break;
  case 'h':
  case 'H':
    col_int = 7;
    break;
  case 'i':
  case 'I':
    col_int = 8;
    break;
  case 'j':
  case 'J':
    col_int = 9;
    break;
  case 'k':
  case 'K':
    col_int = 10;
    break;
  case 'l':
  case 'L':
    col_int = 11;
    break;
  default:
    col_int = -1;
    printf("Invalid column!");
  }
  return col_int;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<board_col_to_matrix_idx>:
  endbr64
  sub    $0x41,%edi
  cmp    $0x2b,%dil
  ja     L1
  lea    D7(%rip),%rdx
  movzbl %dil,%edi
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  nopw   0x0(%rax,%rax,1)
L1:
  sub    $0x8,%rsp
  lea    D9(%rip),%rdi
  call   <printf@plt>
  mov    $0xffffffff,%eax
  add    $0x8,%rsp
  ret
  nopw   0x0(%rax,%rax,1)
  mov    $0x2,%eax
  ret
  xchg   %ax,%ax
  mov    $0x3,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x4,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x5,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x6,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x7,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x8,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0x9,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0xa,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  mov    $0xb,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
  mov    $0x1,%eax
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D9
type_guessed: string

tool: D9: Invalid column!

assistant: ```c
int board_col_to_matrix_idx(char col) {
  int col_int;
  switch (col) {
  case 'a':
  case 'A':
    col_int = 0;
    break;
  case 'b':
  case 'B':
    col_int = 1;
    break;
  case 'c':
  case 'C':
    col_int = 2;
    break;
  case 'd':
  case 'D':
    col_int = 3;
    break;
  case 'e':
  case 'E':
    col_int = 4;
    break;
  case 'f':
  case 'F':
    col_int = 5;
    break;
  case 'g':
  case 'G':
    col_int = 6;
    break;
  case 'h':
  case 'H':
    col_int = 7;
    break;
  case 'i':
  case 'I':
    col_int = 8;
    break;
  case 'j':
  case 'J':
    col_int = 9;
    break;
  case 'k':
  case 'K':
    col_int = 10;
    break;
  case 'l':
  case 'L':
    col_int = 11;
    break;
  default:
    col_int = -1;
    printf("Invalid column!");
  }
  return col_int;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<BlackmanHarris70>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  D28(%rip),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  D21(%rip),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  D16(%rip),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x34(%rbp),%xmm1
  movsd  D1(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L2
L3:
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x2c(%rbp),%xmm0
  mulsd  -0x8(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  movq   %xmm0,%rax
  movq   %rax,%xmm1
  mulsd  -0x18(%rbp),%xmm1
  movsd  -0x20(%rbp),%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  -0x8(%rbp),%xmm0
  movapd %xmm0,%xmm1
  addsd  %xmm0,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x2c(%rbp),%xmm0
  mulsd  %xmm0,%xmm1
  movq   %xmm1,%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  movq   %xmm0,%rax
  movq   %rax,%xmm3
  mulsd  -0x10(%rbp),%xmm3
  movapd %xmm3,%xmm0
  mov    -0x2c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  addsd  -0x48(%rbp),%xmm0
  movsd  %xmm0,(%rax)
  movsd  (%rax),%xmm0
  movsd  -0x28(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  addl   $0x1,-0x2c(%rbp)
L2:
  mov    -0x2c(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  jl     L3
  nop
  nop
  leave
  ret
```

tool_calls: name: unpack_data
arguments: tag: D28
datatype: byte[8]
name: unpack_data
arguments: tag: D21
datatype: byte[8]
name: unpack_data
arguments: tag: D16
datatype: byte[8]
name: unpack_data
arguments: tag: D1
datatype: f64

tool: {"D28": [0xbc,0xe8,0x2b,0x48,0x33,0x16,0xdb,0x3f]}

tool: {"D21": [0xb9,0xfc,0x87,0xf4,0xdb,0xd7,0xdf,0x3f]}

tool: {"D16": [0x2b,0x6a,0x30,0x0d,0xc3,0x47,0xb4,0x3f]}

tool: D1: 6.283185307179586

assistant: ```c
void BlackmanHarris70(int sizeWindow, double *pFWindow) {
  int i;
  double fSum = 0;
  double a0 = .42323, a1 = .49755, a2 = .07922;
  double fConst = 6.28318530717958647692 / sizeWindow;
  for (i = 0; i < sizeWindow; i++) {
    fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) + a2 * cos(fConst * 2 * i);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<BlackmanHarris70>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  pxor   %xmm0,%xmm0
  cvtsi2sd %edi,%xmm0
  movsd  D16(%rip),%xmm1
  divsd  %xmm0,%xmm1
  movsd  %xmm1,0x10(%rsp)
  test   %edi,%edi
  jle    L7
  mov    %rsi,%r13
  movapd %xmm1,%xmm6
  addsd  %xmm1,%xmm6
  movsd  %xmm6,0x18(%rsp)
  mov    %edi,%r12d
  mov    $0x0,%ebp
L5:
  pxor   %xmm3,%xmm3
  cvtsi2sd %ebp,%xmm3
  movsd  %xmm3,0x8(%rsp)
  movapd %xmm3,%xmm0
  mulsd  0x10(%rsp),%xmm0
  call   <cos@plt>
  movq   %xmm0,%rbx
  movsd  0x8(%rsp),%xmm0
  mulsd  0x18(%rsp),%xmm0
  call   <cos@plt>
  movapd %xmm0,%xmm2
  movq   %rbx,%xmm0
  mulsd  D8(%rip),%xmm0
  movsd  D28(%rip),%xmm1
  subsd  %xmm0,%xmm1
  movsd  D33(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm1
  movsd  %xmm1,0x0(%r13,%rbp,8)
  add    $0x1,%rbp
  cmp    %r12,%rbp
  jne    L5
L7:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: unpack_data
arguments: tag: D16
type: f64
name: unpack_data
arguments: tag: D8
type: byte[8]
name: unpack_data
arguments: tag: D28
type: byte[8]
name: unpack_data
arguments: tag: D33
type: byte[8]

tool: D16: 6.283185307179586

tool: {"D8": [0xb9,0xfc,0x87,0xf4,0xdb,0xd7,0xdf,0x3f]}

tool: {"D28": [0xbc,0xe8,0x2b,0x48,0x33,0x16,0xdb,0x3f]}

tool: {"D33": [0x2b,0x6a,0x30,0x0d,0xc3,0x47,0xb4,0x3f]}

assistant: ```c
void BlackmanHarris70(int sizeWindow, double *pFWindow) {
  int i;
  double fSum = 0;
  double a0 = .42323, a1 = .49755, a2 = .07922;
  double fConst = 6.28318530717958647692 / sizeWindow;
  for (i = 0; i < sizeWindow; i++) {
    fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) + a2 * cos(fConst * 2 * i);
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<BlackmanHarris70>:
  endbr64
  push   %r12
  pxor   %xmm0,%xmm0
  push   %rbp
  cvtsi2sd %edi,%xmm0
  push   %rbx
  sub    $0x20,%rsp
  movsd  D32(%rip),%xmm1
  divsd  %xmm0,%xmm1
  movsd  %xmm1,0x10(%rsp)
  test   %edi,%edi
  jle    L17
  movapd %xmm1,%xmm4
  mov    %rsi,%r12
  movslq %edi,%rbp
  xor    %ebx,%ebx
  addsd  %xmm1,%xmm4
  movsd  %xmm4,0x18(%rsp)
  nopl   0x0(%rax)
L7:
  pxor   %xmm2,%xmm2
  movsd  0x10(%rsp),%xmm0
  cvtsi2sd %ebx,%xmm2
  mulsd  %xmm2,%xmm0
  movsd  %xmm2,0x8(%rsp)
  call   <cos@plt>
  movsd  0x8(%rsp),%xmm2
  mulsd  0x18(%rsp),%xmm2
  movsd  %xmm0,(%rsp)
  movapd %xmm2,%xmm0
  call   <cos@plt>
  movsd  (%rsp),%xmm1
  movapd %xmm0,%xmm2
  movsd  D15(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  D17(%rip),%xmm1
  subsd  %xmm0,%xmm1
  movsd  D22(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm1
  movsd  %xmm1,(%r12,%rbx,8)
  add    $0x1,%rbx
  cmp    %rbx,%rbp
  jne    L7
L17:
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D32
data_type: f64
name: retrieve_data
arguments: data_label: D15
data_type: byte[8]
name: retrieve_data
arguments: data_label: D17
data_type: byte[8]
name: retrieve_data
arguments: data_label: D22
data_type: byte[8]

tool: D32: 6.283185307179586

tool: {"D15": [0xb9,0xfc,0x87,0xf4,0xdb,0xd7,0xdf,0x3f]}

tool: {"D17": [0xbc,0xe8,0x2b,0x48,0x33,0x16,0xdb,0x3f]}

tool: {"D22": [0x2b,0x6a,0x30,0x0d,0xc3,0x47,0xb4,0x3f]}

assistant: ```c
void BlackmanHarris70(int sizeWindow, double *pFWindow) {
  int i;
  double fSum = 0;
  double a0 = .42323, a1 = .49755, a2 = .07922;
  double fConst = 6.28318530717958647692 / sizeWindow;
  for (i = 0; i < sizeWindow; i++) {
    fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) + a2 * cos(fConst * 2 * i);
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<BlackmanHarris70>:
  endbr64
  push   %r12
  pxor   %xmm0,%xmm0
  push   %rbp
  cvtsi2sd %edi,%xmm0
  push   %rbx
  sub    $0x20,%rsp
  movsd  D25(%rip),%xmm1
  divsd  %xmm0,%xmm1
  movsd  %xmm1,0x10(%rsp)
  test   %edi,%edi
  jle    L19
  movapd %xmm1,%xmm4
  mov    %rsi,%r12
  movslq %edi,%rbp
  xor    %ebx,%ebx
  addsd  %xmm1,%xmm4
  movsd  %xmm4,0x18(%rsp)
  nopl   0x0(%rax)
L14:
  pxor   %xmm2,%xmm2
  movsd  0x10(%rsp),%xmm0
  cvtsi2sd %ebx,%xmm2
  mulsd  %xmm2,%xmm0
  movsd  %xmm2,0x8(%rsp)
  call   <cos@plt>
  movsd  0x8(%rsp),%xmm2
  mulsd  0x18(%rsp),%xmm2
  movsd  %xmm0,(%rsp)
  movapd %xmm2,%xmm0
  call   <cos@plt>
  movsd  (%rsp),%xmm1
  movapd %xmm0,%xmm2
  movsd  D39(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  D12(%rip),%xmm1
  subsd  %xmm0,%xmm1
  movsd  D30(%rip),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm0,%xmm1
  movsd  %xmm1,(%r12,%rbx,8)
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L14
L19:
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: parse_data
arguments: label: D25
type: f64
name: parse_data
arguments: label: D39
type: byte[8]
name: parse_data
arguments: label: D12
type: byte[8]
name: parse_data
arguments: label: D30
type: byte[8]

tool: D25: 6.283185307179586

tool: {"D39": [0xb9,0xfc,0x87,0xf4,0xdb,0xd7,0xdf,0x3f]}

tool: {"D12": [0xbc,0xe8,0x2b,0x48,0x33,0x16,0xdb,0x3f]}

tool: {"D30": [0x2b,0x6a,0x30,0x0d,0xc3,0x47,0xb4,0x3f]}

assistant: ```c
void BlackmanHarris70(int sizeWindow, double *pFWindow) {
  int i;
  double fSum = 0;
  double a0 = .42323, a1 = .49755, a2 = .07922;
  double fConst = 6.28318530717958647692 / sizeWindow;
  for (i = 0; i < sizeWindow; i++) {
    fSum += pFWindow[i] = a0 - a1 * cos(fConst * i) + a2 * cos(fConst * 2 * i);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<isbadf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movss  %xmm0,-0x14(%rbp)
  movss  -0x14(%rbp),%xmm0
  movss  %xmm0,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    $0xff,%eax
  sete   %al
  movzbl %al,%eax
  pop    %rbp
  ret
```

assistant: ```c
int isbadf(float x) {
  union ieee754_float u;
  u.f = x;
  return u.ieee.exponent == 0xff;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<isbadf>:
  endbr64
  movd   %xmm0,%eax
  cmp    $0xff,%eax
  sete   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
int isbadf(float x) {
  union ieee754_float u;
  u.f = x;
  return u.ieee.exponent == 0xff;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<isbadf>:
  endbr64
  movd   %xmm0,%eax
  cmp    $0xff,%eax
  sete   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
int isbadf(float x) {
  union ieee754_float u;
  u.f = x;
  return u.ieee.exponent == 0xff;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<isbadf>:
  endbr64
  movd   %xmm0,%eax
  cmp    $0xff,%eax
  sete   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
int isbadf(float x) {
  union ieee754_float u;
  u.f = x;
  return u.ieee.exponent == 0xff;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<utf8_putc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,%eax
  mov    %rsi,-0x10(%rbp)
  mov    %ax,-0x4(%rbp)
  cmpw   $0x7f,-0x4(%rbp)
  ja     L27
  movzwl -0x4(%rbp),%eax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
  jmp    L24
L27:
  cmpw   $0x7ff,-0x4(%rbp)
  ja     L25
  movzwl -0x4(%rbp),%eax
  shr    $0x6,%ax
  or     $0xc0,%al
  movzwl %ax,%eax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
  movzwl -0x4(%rbp),%eax
  and    $0x3f,%eax
  or     $0x80,%al
  movzwl %ax,%eax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
  jmp    L24
L25:
  movzwl -0x4(%rbp),%eax
  shr    $0xc,%ax
  or     $0xe0,%al
  movzwl %ax,%eax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
  movzwl -0x4(%rbp),%eax
  shr    $0x6,%ax
  and    $0x3f,%eax
  or     $0x80,%al
  movzwl %ax,%eax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
  movzwl -0x4(%rbp),%eax
  and    $0x3f,%eax
  or     $0x80,%al
  movzwl %ax,%eax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
L24:
  leave
  ret
```

assistant: ```c
void utf8_putc(unsigned short c, FILE *fd) {
  if (c < 0x80) {
    putc(c, fd);
    return;
  }
  if (c < 0x800) {
    putc(c >> 6 | 0xc0, fd);
    putc((c & 0x3f) | 0x80, fd);
    return;
  }
  putc(c >> 12 | 0xe0, fd);
  putc(((c >> 6) & 0x3f) | 0x80, fd);
  putc((c & 0x3f) | 0x80, fd);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<utf8_putc>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %rsi,%rbp
  cmp    $0x7f,%di
  jbe    L39
  cmp    $0x7ff,%di
  jbe    L34
  shr    $0xc,%di
  or     $0xe0,%dil
  movzwl %di,%edi
  call   <putc@plt>
  mov    %ebx,%edi
  shr    $0x6,%di
  and    $0x3f,%edi
  or     $0x80,%dil
  mov    %rbp,%rsi
  call   <putc@plt>
  and    $0x3f,%ebx
  mov    %ebx,%edi
  or     $0x80,%dil
  mov    %rbp,%rsi
  call   <putc@plt>
L6:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L39:
  movzwl %di,%edi
  call   <putc@plt>
  jmp    L6
L34:
  shr    $0x6,%di
  or     $0xc0,%dil
  movzwl %di,%edi
  call   <putc@plt>
  and    $0x3f,%ebx
  mov    %ebx,%edi
  or     $0x80,%dil
  mov    %rbp,%rsi
  call   <putc@plt>
  jmp    L6
```

assistant: ```c
void utf8_putc(unsigned short c, FILE *fd) {
  if (c < 0x80) {
    putc(c, fd);
    return;
  }
  if (c < 0x800) {
    putc(c >> 6 | 0xc0, fd);
    putc((c & 0x3f) | 0x80, fd);
    return;
  }
  putc(c >> 12 | 0xe0, fd);
  putc(((c >> 6) & 0x3f) | 0x80, fd);
  putc((c & 0x3f) | 0x80, fd);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<utf8_putc>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  cmp    $0x7f,%di
  jbe    L0
  mov    %edi,%r12d
  mov    %edi,%ebx
  and    $0x3f,%r12d
  shr    $0x6,%bx
  or     $0x80,%r12b
  cmp    $0x7ff,%di
  jbe    L12
  shr    $0xc,%di
  or     $0xe0,%dil
  movzwl %di,%edi
  call   <putc@plt>
  mov    %ebx,%edi
  and    $0x3f,%edi
  or     $0x80,%dil
L3:
  mov    %rbp,%rsi
  call   <putc@plt>
  pop    %rbx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  pop    %rbp
  pop    %r12
  jmp    1050 <putc@plt>
  nopl   0x0(%rax)
L12:
  or     $0xc0,%bl
  movzwl %bx,%edi
  jmp    L3
  nopl   0x0(%rax,%rax,1)
L0:
  pop    %rbx
  movzwl %di,%edi
  pop    %rbp
  pop    %r12
  jmp    1050 <putc@plt>
```

assistant: ```c
void utf8_putc(unsigned short c, FILE *fd) {
  if (c < 0x80) {
    putc(c, fd);
    return;
  }
  if (c < 0x800) {
    putc(c >> 6 | 0xc0, fd);
    putc((c & 0x3f) | 0x80, fd);
    return;
  }
  putc(c >> 12 | 0xe0, fd);
  putc(((c >> 6) & 0x3f) | 0x80, fd);
  putc((c & 0x3f) | 0x80, fd);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<utf8_putc>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  cmp    $0x7f,%di
  jbe    L13
  mov    %edi,%r12d
  mov    %edi,%ebx
  and    $0x3f,%r12d
  shr    $0x6,%bx
  or     $0x80,%r12b
  cmp    $0x7ff,%di
  jbe    L22
  shr    $0xc,%di
  or     $0xe0,%dil
  movzwl %di,%edi
  call   <putc@plt>
  mov    %ebx,%edi
  and    $0x3f,%edi
  or     $0x80,%dil
L24:
  mov    %rbp,%rsi
  call   <putc@plt>
  pop    %rbx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  pop    %rbp
  pop    %r12
  jmp    1050 <putc@plt>
  nopl   0x0(%rax)
L22:
  or     $0xc0,%bl
  movzwl %bx,%edi
  jmp    L24
  nopl   0x0(%rax,%rax,1)
L13:
  pop    %rbx
  movzwl %di,%edi
  pop    %rbp
  pop    %r12
  jmp    1050 <putc@plt>
```

assistant: ```c
void utf8_putc(unsigned short c, FILE *fd) {
  if (c < 0x80) {
    putc(c, fd);
    return;
  }
  if (c < 0x800) {
    putc(c >> 6 | 0xc0, fd);
    putc((c & 0x3f) | 0x80, fd);
    return;
  }
  putc(c >> 12 | 0xe0, fd);
  putc(((c >> 6) & 0x3f) | 0x80, fd);
  putc((c & 0x3f) | 0x80, fd);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<Byteswap>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L5
L15:
  mov    -0x1c(%rbp),%eax
  sub    -0x4(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x5(%rbp)
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x1c(%rbp),%eax
  sub    -0x4(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  movzbl (%rcx),%eax
  mov    %al,(%rdx)
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  movzbl -0x5(%rbp),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x4(%rbp)
L5:
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0x4(%rbp)
  jl     L15
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void Byteswap(char *swap, int nbytes) {
  int x;
  char byte;
  for (x = 0; x < nbytes / 2; x++) {
    byte = swap[nbytes - x - 1];
    swap[nbytes - x - 1] = swap[x];
    swap[x] = byte;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<Byteswap>:
  endbr64
  mov    %esi,%r8d
  shr    $0x1f,%r8d
  add    %esi,%r8d
  sar    %r8d
  cmp    $0x1,%esi
  jle    L6
  movslq %esi,%rsi
  lea    -0x1(%rdi,%rsi,1),%rdx
  mov    $0x0,%eax
L10:
  movzbl (%rdx),%ecx
  movzbl (%rdi,%rax,1),%esi
  mov    %sil,(%rdx)
  mov    %cl,(%rdi,%rax,1)
  add    $0x1,%rax
  sub    $0x1,%rdx
  cmp    %eax,%r8d
  jg     L10
L6:
  ret
```

assistant: ```c
void Byteswap(char *swap, int nbytes) {
  int x;
  char byte;
  for (x = 0; x < nbytes / 2; x++) {
    byte = swap[nbytes - x - 1];
    swap[nbytes - x - 1] = swap[x];
    swap[x] = byte;
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<Byteswap>:
  endbr64
  mov    %esi,%r8d
  shr    $0x1f,%r8d
  add    %esi,%r8d
  sar    %r8d
  cmp    $0x1,%esi
  jle    L2
  movslq %esi,%rsi
  xor    %eax,%eax
  lea    -0x1(%rdi,%rsi,1),%rdx
L14:
  movzbl (%rdx),%ecx
  movzbl (%rdi,%rax,1),%esi
  sub    $0x1,%rdx
  mov    %sil,0x1(%rdx)
  mov    %cl,(%rdi,%rax,1)
  add    $0x1,%rax
  cmp    %eax,%r8d
  jg     L14
L2:
  ret
```

assistant: ```c
void Byteswap(char *swap, int nbytes) {
  int x;
  char byte;
  for (x = 0; x < nbytes / 2; x++) {
    byte = swap[nbytes - x - 1];
    swap[nbytes - x - 1] = swap[x];
    swap[x] = byte;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<Byteswap>:
  endbr64
  mov    %esi,%r8d
  shr    $0x1f,%r8d
  add    %esi,%r8d
  sar    %r8d
  cmp    $0x1,%esi
  jle    L9
  movslq %esi,%rsi
  xor    %eax,%eax
  lea    -0x1(%rdi,%rsi,1),%rdx
L18:
  movzbl (%rdx),%ecx
  movzbl (%rdi,%rax,1),%esi
  sub    $0x1,%rdx
  mov    %sil,0x1(%rdx)
  mov    %cl,(%rdi,%rax,1)
  add    $0x1,%rax
  cmp    %eax,%r8d
  jg     L18
L9:
  ret
```

assistant: ```c
void Byteswap(char *swap, int nbytes) {
  int x;
  char byte;
  for (x = 0; x < nbytes / 2; x++) {
    byte = swap[nbytes - x - 1];
    swap[nbytes - x - 1] = swap[x];
    swap[x] = byte;
  }
}
```