ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码:

```asm
<rFFTInit>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbx
  mov    %rdx,%rbp
  pxor   %xmm2,%xmm2
  cvtsi2sd %rsi,%xmm2
  movsd  %xmm2,0x8(%rsp)
  movapd %xmm2,%xmm0
  call   <log@plt>
  divsd  D7(%rip),%xmm0
  addsd  D4(%rip),%xmm0
  cvttsd2si %xmm0,%r12
  mov    %r12,0x0(%r13)
  mov    %r12,%rsi
  mov    $0x2,%edi
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  D4(%rip),%xmm0
  cvttsd2si %xmm0,%eax
  cltq
  cmp    %rbx,%rax
  jne    L14
  sub    $0x4,%r12
  cmp    $0x10,%r12
  ja     L14
  lea    0x3(%rbx),%r12
  test   %rbx,%rbx
  cmovns %rbx,%r12
  sar    $0x2,%r12
  cmp    $0xfffffffffffffffd,%rbx
  jl     L26
  mov    $0x0,%ebx
L24:
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
  mulsd  D19(%rip),%xmm0
  divsd  0x8(%rsp),%xmm0
  call   <cos@plt>
  movss  %xmm0,0x0(%rbp,%rbx,4)
  add    $0x1,%rbx
  cmp    %r12,%rbx
  jle    L24
  mov    $0x0,%eax
  jmp    L16
L14:
  mov    $0x1,%eax
L16:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L26:
  mov    $0x0,%eax
  jmp    L16
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D7
type: byte[8]
name: extract_symbolic_data
arguments: data_label: D4
type: f64
name: extract_symbolic_data
arguments: data_label: D19
type: byte[8]

tool: {"D7": [0xef,0x39,0xfa,0xfe,0x42,0x2e,0xe6,0x3f]}

tool: D4: 0.5

tool: {"D19": [0x18,0x2d,0x44,0x54,0xfb,0x21,0x19,0x40]}

assistant: ```c
long rFFTInit(long *fftMptr, long fftN, float *Utbl) {
  long i1, ErrVal;
  ErrVal = 0;
  *fftMptr = (long)(log(fftN) / log(2.0) + 0.5);
  if ((*fftMptr >= 4) & (*fftMptr <= 20) & (int)(pow(2, *fftMptr) + .5) == fftN)
    for (i1 = 0; i1 <= fftN / 4; i1++)
      Utbl[i1] = cos((3.1415926535897932384626433832795 * 2.0 * i1) / fftN);
  else
    ErrVal = 1;
  return ErrVal;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<rFFTInit>:
  endbr64
  pxor   %xmm2,%xmm2
  push   %r13
  mov    %rsi,%r13
  cvtsi2sd %rsi,%xmm2
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  movapd %xmm2,%xmm0
  sub    $0x18,%rsp
  movsd  %xmm2,0x8(%rsp)
  call   <log@plt>
  divsd  D11(%rip),%xmm0
  mov    $0x2,%edi
  addsd  D27(%rip),%xmm0
  cvttsd2si %xmm0,%rbx
  mov    %rbx,(%r12)
  mov    %rbx,%rsi
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  D27(%rip),%xmm0
  cvttsd2si %xmm0,%eax
  cltq
  cmp    %r13,%rax
  jne    L16
  sub    $0x4,%rbx
  cmp    $0x10,%rbx
  ja     L16
  test   %r13,%r13
  lea    0x3(%r13),%r12
  cmovns %r13,%r12
  xor    %ebx,%ebx
  sar    $0x2,%r12
  cmp    $0xfffffffffffffffd,%r13
  jl     L11
  nopw   0x0(%rax,%rax,1)
L14:
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
  mulsd  D1(%rip),%xmm0
  divsd  0x8(%rsp),%xmm0
  call   <cos@plt>
  movss  %xmm0,0x0(%rbp,%rbx,4)
  add    $0x1,%rbx
  cmp    %r12,%rbx
  jle    L14
L11:
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L16:
  add    $0x18,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D11
type: byte[8]
name: extract_symbolic_data
arguments: label: D27
type: f64
name: extract_symbolic_data
arguments: label: D1
type: byte[8]

tool: {"D11": [0xef,0x39,0xfa,0xfe,0x42,0x2e,0xe6,0x3f]}

tool: D27: 0.5

tool: {"D1": [0x18,0x2d,0x44,0x54,0xfb,0x21,0x19,0x40]}

assistant: ```c
long rFFTInit(long *fftMptr, long fftN, float *Utbl) {
  long i1, ErrVal;
  ErrVal = 0;
  *fftMptr = (long)(log(fftN) / log(2.0) + 0.5);
  if ((*fftMptr >= 4) & (*fftMptr <= 20) & (int)(pow(2, *fftMptr) + .5) == fftN)
    for (i1 = 0; i1 <= fftN / 4; i1++)
      Utbl[i1] = cos((3.1415926535897932384626433832795 * 2.0 * i1) / fftN);
  else
    ErrVal = 1;
  return ErrVal;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<rFFTInit>:
  endbr64
  pxor   %xmm2,%xmm2
  push   %r13
  mov    %rsi,%r13
  cvtsi2sd %rsi,%xmm2
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  movapd %xmm2,%xmm0
  sub    $0x18,%rsp
  movsd  %xmm2,0x8(%rsp)
  call   <log@plt>
  divsd  D38(%rip),%xmm0
  mov    $0x2,%edi
  addsd  D4(%rip),%xmm0
  cvttsd2si %xmm0,%rbx
  mov    %rbx,(%r12)
  mov    %rbx,%rsi
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
  addsd  D4(%rip),%xmm0
  cvttsd2si %xmm0,%eax
  cltq
  cmp    %r13,%rax
  jne    L9
  sub    $0x4,%rbx
  cmp    $0x10,%rbx
  ja     L9
  test   %r13,%r13
  lea    0x3(%r13),%r12
  cmovns %r13,%r12
  xor    %ebx,%ebx
  sar    $0x2,%r12
  cmp    $0xfffffffffffffffd,%r13
  jl     L0
  nopw   0x0(%rax,%rax,1)
L2:
  pxor   %xmm0,%xmm0
  cvtsi2sd %rbx,%xmm0
  mulsd  D3(%rip),%xmm0
  divsd  0x8(%rsp),%xmm0
  call   <cos@plt>
  movss  %xmm0,0x0(%rbp,%rbx,4)
  add    $0x1,%rbx
  cmp    %r12,%rbx
  jle    L2
L0:
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L9:
  add    $0x18,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D38
type_guessed: byte[8]
name: unpack_data
arguments: data_tag: D4
type_guessed: f64
name: unpack_data
arguments: data_tag: D3
type_guessed: byte[8]

tool: {"D38": [0xef,0x39,0xfa,0xfe,0x42,0x2e,0xe6,0x3f]}

tool: D4: 0.5

tool: {"D3": [0x18,0x2d,0x44,0x54,0xfb,0x21,0x19,0x40]}

assistant: ```c
long rFFTInit(long *fftMptr, long fftN, float *Utbl) {
  long i1, ErrVal;
  ErrVal = 0;
  *fftMptr = (long)(log(fftN) / log(2.0) + 0.5);
  if ((*fftMptr >= 4) & (*fftMptr <= 20) & (int)(pow(2, *fftMptr) + .5) == fftN)
    for (i1 = 0; i1 <= fftN / 4; i1++)
      Utbl[i1] = cos((3.1415926535897932384626433832795 * 2.0 * i1) / fftN);
  else
    ErrVal = 1;
  return ErrVal;
}
```
user: Translate the below assembly code into C programming language:

```asm
<inttostr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,%rax
  mov    %esi,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    %edx,%edx
  imul   $0x51eb851f,%rdx,%rdx
  shr    $0x20,%rdx
  shr    $0x5,%edx
  add    $0x30,%edx
  mov    %dl,(%rax)
  movzbl (%rax),%edx
  cmp    $0x30,%dl
  jne    L3
  movb   $0x20,(%rax)
L3:
  mov    -0x4(%rbp),%edx
  mov    %edx,%ecx
  mov    $0xcccccccd,%edx
  imul   %rcx,%rdx
  shr    $0x20,%rdx
  mov    %edx,%esi
  shr    $0x3,%esi
  mov    %esi,%ecx
  mov    $0xcccccccd,%edx
  imul   %rcx,%rdx
  shr    $0x20,%rdx
  mov    %edx,%ecx
  shr    $0x3,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  add    %edx,%edx
  sub    %edx,%esi
  mov    %esi,%ecx
  mov    %ecx,%edx
  lea    0x30(%rdx),%ecx
  lea    0x1(%rax),%rdx
  mov    %cl,(%rdx)
  movzbl (%rax),%edx
  cmp    $0x20,%dl
  jne    L23
  lea    0x1(%rax),%rdx
  movzbl (%rdx),%edx
  cmp    $0x30,%dl
  jne    L23
  lea    0x1(%rax),%rdx
  movb   $0x20,(%rdx)
L23:
  mov    -0x4(%rbp),%esi
  mov    %esi,%ecx
  mov    $0xcccccccd,%edx
  imul   %rcx,%rdx
  shr    $0x20,%rdx
  mov    %edx,%ecx
  shr    $0x3,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  add    %edx,%edx
  sub    %edx,%esi
  mov    %esi,%ecx
  mov    %ecx,%edx
  lea    0x30(%rdx),%ecx
  lea    0x2(%rax),%rdx
  mov    %cl,(%rdx)
  lea    0x3(%rax),%rdx
  movb   $0x20,(%rdx)
  add    $0x4,%rax
  movb   $0x0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void inttostr(register char *str, unsigned int i) {
  str[0] = '0' + i / 100;
  if (str[0] == '0') {
    str[0] = ' ';
  }
  str[1] = '0' + (i / 10) % 10;
  if (str[0] == ' ' && str[1] == '0') {
    str[1] = ' ';
  }
  str[2] = '0' + i % 10;
  str[3] = ' ';
  str[4] = 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<inttostr>:
  endbr64
  mov    %rdi,%rcx
  mov    %esi,%edx
  mov    %esi,%eax
  imul   $0x51eb851f,%rax,%rax
  shr    $0x25,%rax
  lea    0x30(%rax),%edi
  test   %al,%al
  mov    $0x20,%eax
  cmove  %eax,%edi
  mov    %dil,(%rcx)
  mov    %esi,%eax
  mov    $0xcccccccd,%r8d
  imul   %r8,%rax
  shr    $0x23,%rax
  mov    %eax,%esi
  imul   %r8,%rsi
  shr    $0x23,%rsi
  lea    (%rsi,%rsi,4),%esi
  add    %esi,%esi
  sub    %esi,%eax
  add    $0x30,%eax
  mov    %al,0x1(%rcx)
  cmp    $0x30,%al
  jne    L3
  cmp    $0x20,%dil
  je     L10
L3:
  mov    %edx,%eax
  mov    $0xcccccccd,%esi
  imul   %rsi,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  add    $0x30,%edx
  mov    %dl,0x2(%rcx)
  movb   $0x20,0x3(%rcx)
  movb   $0x0,0x4(%rcx)
  ret
L10:
  movb   $0x20,0x1(%rcx)
  jmp    L3
```

assistant: ```c
void inttostr(register char *str, unsigned int i) {
  str[0] = '0' + i / 100;
  if (str[0] == '0') {
    str[0] = ' ';
  }
  str[1] = '0' + (i / 10) % 10;
  if (str[0] == ' ' && str[1] == '0') {
    str[1] = ' ';
  }
  str[2] = '0' + i % 10;
  str[3] = ' ';
  str[4] = 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<inttostr>:
  endbr64
  mov    %esi,%ecx
  imul   $0x51eb851f,%rcx,%rax
  mov    %rcx,%rdx
  shr    $0x25,%rax
  lea    0x30(%rax),%esi
  test   %al,%al
  je     L21
  cmp    $0x20,%sil
  sete   %r9b
L10:
  mov    $0xcccccccd,%r8d
  mov    %rcx,%rax
  mov    %sil,(%rdi)
  imul   %r8,%rax
  shr    $0x23,%rax
  mov    %eax,%esi
  imul   %r8,%rsi
  shr    $0x23,%rsi
  lea    (%rsi,%rsi,4),%esi
  add    %esi,%esi
  sub    %esi,%eax
  add    $0x30,%eax
  mov    %al,0x1(%rdi)
  cmp    $0x30,%al
  jne    L11
  test   %r9b,%r9b
  jne    L42
L11:
  mov    $0xcccccccd,%eax
  imul   %rax,%rcx
  shr    $0x23,%rcx
  lea    (%rcx,%rcx,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  mov    $0x20,%eax
  add    $0x30,%edx
  mov    %ax,0x3(%rdi)
  mov    %dl,0x2(%rdi)
  ret
  nopl   0x0(%rax,%rax,1)
L21:
  mov    $0x1,%r9d
  mov    $0x20,%esi
  jmp    L10
  nopl   (%rax)
L42:
  movb   $0x20,0x1(%rdi)
  jmp    L11
```

assistant: ```c
void inttostr(register char *str, unsigned int i) {
  str[0] = '0' + i / 100;
  if (str[0] == '0') {
    str[0] = ' ';
  }
  str[1] = '0' + (i / 10) % 10;
  if (str[0] == ' ' && str[1] == '0') {
    str[1] = ' ';
  }
  str[2] = '0' + i % 10;
  str[3] = ' ';
  str[4] = 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<inttostr>:
  endbr64
  mov    %esi,%ecx
  imul   $0x51eb851f,%rcx,%rax
  mov    %rcx,%rdx
  shr    $0x25,%rax
  lea    0x30(%rax),%esi
  test   %al,%al
  je     L26
  cmp    $0x20,%sil
  sete   %r9b
L16:
  mov    $0xcccccccd,%r8d
  mov    %rcx,%rax
  mov    %sil,(%rdi)
  imul   %r8,%rax
  shr    $0x23,%rax
  mov    %eax,%esi
  imul   %r8,%rsi
  shr    $0x23,%rsi
  lea    (%rsi,%rsi,4),%esi
  add    %esi,%esi
  sub    %esi,%eax
  add    $0x30,%eax
  mov    %al,0x1(%rdi)
  cmp    $0x30,%al
  jne    L31
  test   %r9b,%r9b
  jne    L14
L31:
  mov    $0xcccccccd,%eax
  imul   %rax,%rcx
  shr    $0x23,%rcx
  lea    (%rcx,%rcx,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  mov    $0x20,%eax
  add    $0x30,%edx
  mov    %ax,0x3(%rdi)
  mov    %dl,0x2(%rdi)
  ret
  nopl   0x0(%rax,%rax,1)
L26:
  mov    $0x1,%r9d
  mov    $0x20,%esi
  jmp    L16
  nopl   (%rax)
L14:
  movb   $0x20,0x1(%rdi)
  jmp    L31
```

assistant: ```c
void inttostr(register char *str, unsigned int i) {
  str[0] = '0' + i / 100;
  if (str[0] == '0') {
    str[0] = ' ';
  }
  str[1] = '0' + (i / 10) % 10;
  if (str[0] == ' ' && str[1] == '0') {
    str[1] = ' ';
  }
  str[2] = '0' + i % 10;
  str[3] = ' ';
  str[4] = 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<initialise_float_matrix>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  movss  %xmm0,-0x24(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L26
L7:
  movl   $0x0,-0x4(%rbp)
  jmp    L1
L39:
  mov    -0x8(%rbp),%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%rax
  add    %rdx,%rax
  movss  -0x24(%rbp),%xmm0
  movss  %xmm0,(%rax)
  addl   $0x1,-0x4(%rbp)
L1:
  mov    -0x20(%rbp),%eax
  cmp    %eax,-0x4(%rbp)
  jb     L39
  addl   $0x1,-0x8(%rbp)
L26:
  mov    -0x1c(%rbp),%eax
  cmp    %eax,-0x8(%rbp)
  jb     L7
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void initialise_float_matrix(float **matrix, int nRow, int nCol, float init_value) {
  unsigned int i, j;
  for (i = 0; i < nRow; ++i)
    for (j = 0; j < nCol; ++j)
      matrix[i][j] = init_value;
}
```
user: What is the c source code of the assembly code below:

```asm
<initialise_float_matrix>:
  endbr64
  test   %esi,%esi
  je     L35
  mov    %rdi,%r8
  lea    -0x1(%rsi),%eax
  lea    0x8(%rdi,%rax,8),%rdi
  lea    -0x1(%rdx),%eax
  lea    0x4(,%rax,4),%rsi
  jmp    L26
L9:
  mov    (%r8),%rcx
  movss  %xmm0,(%rcx,%rax,1)
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L9
L19:
  add    $0x8,%r8
  cmp    %rdi,%r8
  je     L35
L26:
  mov    $0x0,%eax
  test   %edx,%edx
  jne    L9
  jmp    L19
L35:
  ret
```

assistant: ```c
void initialise_float_matrix(float **matrix, int nRow, int nCol, float init_value) {
  unsigned int i, j;
  for (i = 0; i < nRow; ++i)
    for (j = 0; j < nCol; ++j)
      matrix[i][j] = init_value;
}
```
user: What is the c source code of the assembly code below:

```asm
<initialise_float_matrix>:
  endbr64
  test   %esi,%esi
  je     L35
  lea    -0x1(%rsi),%eax
  lea    0x8(%rdi,%rax,8),%rsi
  lea    -0x1(%rdx),%eax
  lea    0x4(,%rax,4),%r8
  nopl   0x0(%rax,%rax,1)
L38:
  test   %edx,%edx
  je     L18
  mov    (%rdi),%rax
  lea    (%r8,%rax,1),%rcx
  nopl   0x0(%rax,%rax,1)
L0:
  movss  %xmm0,(%rax)
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L0
L18:
  add    $0x8,%rdi
  cmp    %rsi,%rdi
  jne    L38
L35:
  ret
```

assistant: ```c
void initialise_float_matrix(float **matrix, int nRow, int nCol, float init_value) {
  unsigned int i, j;
  for (i = 0; i < nRow; ++i)
    for (j = 0; j < nCol; ++j)
      matrix[i][j] = init_value;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<initialise_float_matrix>:
  endbr64
  mov    %edx,%r8d
  test   %esi,%esi
  je     L1
  test   %edx,%edx
  je     L1
  lea    -0x1(%rsi),%eax
  movaps %xmm0,%xmm1
  lea    -0x1(%rdx),%r10d
  mov    %edx,%esi
  lea    0x8(%rdi,%rax,8),%r11
  mov    %edx,%eax
  and    $0xfffffffc,%esi
  shufps $0x0,%xmm1,%xmm1
  shr    $0x2,%eax
  lea    -0x1(%rax),%r9d
  add    $0x1,%r9
  shl    $0x4,%r9
  nopl   0x0(%rax)
L87:
  mov    (%rdi),%rcx
  mov    %rcx,%rax
  lea    (%r9,%rcx,1),%rdx
  cmp    $0x2,%r10d
  jbe    L65
L54:
  movups %xmm1,(%rax)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L54
  mov    %esi,%eax
  cmp    %esi,%r8d
  je     L4
L8:
  mov    %eax,%edx
  movss  %xmm0,(%rcx,%rdx,4)
  lea    0x1(%rax),%edx
  cmp    %edx,%r8d
  jbe    L4
  add    $0x2,%eax
  movss  %xmm0,(%rcx,%rdx,4)
  cmp    %eax,%r8d
  jbe    L4
  movss  %xmm0,(%rcx,%rax,4)
L4:
  add    $0x8,%rdi
  cmp    %r11,%rdi
  jne    L87
L1:
  ret
L65:
  xor    %eax,%eax
  jmp    L8
```

assistant: ```c
void initialise_float_matrix(float **matrix, int nRow, int nCol, float init_value) {
  unsigned int i, j;
  for (i = 0; i < nRow; ++i)
    for (j = 0; j < nCol; ++j)
      matrix[i][j] = init_value;
}
```
user: Translate the below assembly code into C programming language:

```asm
<decode_byte>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  movl   $0x7,-0x8(%rbp)
  jmp    L2
L6:
  movb   $0x0,-0xa(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L0
L16:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %al,-0x9(%rbp)
  mov    -0x8(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %eax,%edx
  movzbl -0x9(%rbp),%eax
  and    %edx,%eax
  mov    %al,-0x9(%rbp)
  movzbl -0x9(%rbp),%edx
  mov    -0x8(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  mov    %al,-0x9(%rbp)
  movzbl -0x9(%rbp),%edx
  mov    $0x3,%eax
  sub    -0x4(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %al,-0x9(%rbp)
  movzbl -0x9(%rbp),%eax
  or     %al,-0xa(%rbp)
  addl   $0x1,-0x4(%rbp)
L0:
  cmpl   $0x3,-0x4(%rbp)
  jle    L16
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl -0xa(%rbp),%edx
  mov    %dl,(%rax)
  subl   $0x1,-0x8(%rbp)
  subl   $0x1,-0x24(%rbp)
L2:
  cmpl   $0x0,-0x24(%rbp)
  jg     L6
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
unsigned char *decode_byte(unsigned char *dest, unsigned char *b, int w) {
  int i, j;
  unsigned char byte, bit;
  for (i = 7; w > 0; --i, --w) {
    byte = 0;
    for (j = 0; j < 4; ++j) {
      bit = b[j];
      bit &= (1 << i);
      bit >>= i;
      bit <<= 3 - j;
      byte |= bit;
    }
    *(dest++) = byte;
  }
  return dest;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<decode_byte>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  test   %edx,%edx
  jle    L52
  mov    %rsi,%r11
  mov    %edx,%r14d
  mov    %edx,%ebx
  add    %rdi,%rbx
  mov    %rdi,%r9
  lea    0x7(%rdi),%r13d
  mov    $0x1,%ebp
  mov    $0x3,%eax
  jmp    L47
L41:
  add    $0x1,%r9
  mov    %dil,-0x1(%r9)
  cmp    %rbx,%r9
  je     L8
L47:
  mov    %r13d,%r8d
  sub    %r9d,%r8d
  mov    %ebp,%edi
  mov    %r8d,%ecx
  shl    %cl,%edi
  mov    %edi,%r10d
  mov    $0x0,%esi
  mov    $0x0,%edi
L32:
  mov    %r10d,%edx
  and    (%r11,%rsi,1),%dl
  movzbl %dl,%edx
  mov    %r8d,%ecx
  sar    %cl,%edx
  mov    %eax,%ecx
  sub    %esi,%ecx
  shl    %cl,%edx
  or     %edx,%edi
  add    $0x1,%rsi
  cmp    $0x4,%rsi
  jne    L32
  jmp    L41
L8:
  mov    %r14d,%r14d
  lea    (%r12,%r14,1),%rax
L30:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L52:
  mov    %rdi,%rax
  jmp    L30
```

assistant: ```c
unsigned char *decode_byte(unsigned char *dest, unsigned char *b, int w) {
  int i, j;
  unsigned char byte, bit;
  for (i = 7; w > 0; --i, --w) {
    byte = 0;
    for (j = 0; j < 4; ++j) {
      bit = b[j];
      bit &= (1 << i);
      bit >>= i;
      bit <<= 3 - j;
      byte |= bit;
    }
    *(dest++) = byte;
  }
  return dest;
}
```
user: What is the c source code of the assembly code below:

```asm
<decode_byte>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %edx,%edx
  jle    L5
  movslq %edx,%rdx
  mov    %rsi,%r10
  lea    0x7(%rdi),%ebp
  mov    $0x1,%ebx
  lea    (%rdi,%rdx,1),%r12
  mov    $0x3,%r11d
  nopl   0x0(%rax)
L11:
  mov    %ebp,%r8d
  mov    %ebx,%eax
  xor    %edx,%edx
  xor    %esi,%esi
  sub    %edi,%r8d
  mov    %r8d,%ecx
  shl    %cl,%eax
  mov    %eax,%r9d
L19:
  movzbl (%r10,%rdx,1),%eax
  mov    %r8d,%ecx
  and    %r9d,%eax
  movzbl %al,%eax
  sar    %cl,%eax
  mov    %r11d,%ecx
  sub    %edx,%ecx
  add    $0x1,%rdx
  shl    %cl,%eax
  or     %eax,%esi
  cmp    $0x4,%rdx
  jne    L19
  add    $0x1,%rdi
  mov    %sil,-0x1(%rdi)
  cmp    %rdi,%r12
  jne    L11
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L5:
  mov    %rdi,%r12
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
unsigned char *decode_byte(unsigned char *dest, unsigned char *b, int w) {
  int i, j;
  unsigned char byte, bit;
  for (i = 7; w > 0; --i, --w) {
    byte = 0;
    for (j = 0; j < 4; ++j) {
      bit = b[j];
      bit &= (1 << i);
      bit >>= i;
      bit <<= 3 - j;
      byte |= bit;
    }
    *(dest++) = byte;
  }
  return dest;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<decode_byte>:
  endbr64
  test   %edx,%edx
  jle    L16
  push   %rbx
  movslq %edx,%rdx
  mov    %rsi,%r8
  lea    0x7(%rdi),%r11d
  lea    (%rdi,%rdx,1),%r9
  mov    $0x1,%r10d
  nopl   (%rax)
L12:
  mov    %r11d,%ecx
  movzbl (%r8),%eax
  movzbl 0x1(%r8),%ebx
  mov    %r10d,%edx
  sub    %edi,%ecx
  movzbl 0x2(%r8),%esi
  add    $0x1,%rdi
  shl    %cl,%edx
  and    %edx,%eax
  and    %edx,%ebx
  and    %edx,%esi
  and    0x3(%r8),%dl
  movzbl %al,%eax
  movzbl %bl,%ebx
  movzbl %sil,%esi
  movzbl %dl,%edx
  sar    %cl,%eax
  sar    %cl,%ebx
  shl    $0x3,%eax
  shl    $0x2,%ebx
  sar    %cl,%esi
  sar    %cl,%edx
  or     %ebx,%eax
  add    %esi,%esi
  or     %edx,%eax
  or     %esi,%eax
  mov    %al,-0x1(%rdi)
  cmp    %r9,%rdi
  jne    L12
  mov    %r9,%rax
  pop    %rbx
  ret
L16:
  mov    %rdi,%rax
  ret
```

assistant: ```c
unsigned char *decode_byte(unsigned char *dest, unsigned char *b, int w) {
  int i, j;
  unsigned char byte, bit;
  for (i = 7; w > 0; --i, --w) {
    byte = 0;
    for (j = 0; j < 4; ++j) {
      bit = b[j];
      bit &= (1 << i);
      bit >>= i;
      bit <<= 3 - j;
      byte |= bit;
    }
    *(dest++) = byte;
  }
  return dest;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<_talloc_zero_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    -0x24(%rbp),%ecx
  mov    $0x10000000,%eax
  mov    $0x0,%edx
  divq   -0x20(%rbp)
  cmp    %rax,%rcx
  jb     L15
  mov    $0x0,%eax
  jmp    L8
L15:
  mov    $0x0,%eax
  call   <lock@plt>
  mov    -0x24(%rbp),%eax
  imul   -0x20(%rbp),%rax
  mov    %rax,%rcx
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <_talloc_zero@plt>
  mov    %rax,-0x8(%rbp)
  mov    $0x0,%eax
  call   <unlock@plt>
  mov    -0x8(%rbp),%rax
L8:
  leave
  ret
```

assistant: ```c
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name) {
  void *p;
  if (count >= 0x10000000 / el_size) {
    return NULL;
  }
  lock();
  p = _talloc_zero(ctx, el_size * count, name);
  unlock();
  return p;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<_talloc_zero_array>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edx,%ebx
  mov    $0x10000000,%eax
  mov    $0x0,%edx
  div    %rsi
  mov    $0x0,%r14d
  cmp    %rax,%rbx
  jae    L8
  mov    %rdi,%r12
  mov    %rsi,%rbp
  mov    %rcx,%r13
  mov    $0x0,%eax
  call   <lock@plt>
  imul   %rbp,%rbx
  mov    %rbx,%rsi
  mov    %r13,%rdx
  mov    %r12,%rdi
  call   <_talloc_zero@plt>
  mov    %rax,%r14
  mov    $0x0,%eax
  call   <unlock@plt>
L8:
  mov    %r14,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name) {
  void *p;
  if (count >= 0x10000000 / el_size) {
    return NULL;
  }
  lock();
  p = _talloc_zero(ctx, el_size * count, name);
  unlock();
  return p;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_talloc_zero_array>:
  endbr64
  push   %r14
  mov    $0x10000000,%eax
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  mov    %edx,%ebx
  xor    %edx,%edx
  div    %rsi
  cmp    %rax,%rbx
  jae    L4
  mov    %rsi,%rbp
  mov    %rcx,%r13
  mov    %rdi,%r14
  xor    %eax,%eax
  call   <lock@plt>
  imul   %rbp,%rbx
  mov    %r13,%rdx
  mov    %r14,%rdi
  mov    %rbx,%rsi
  call   <_talloc_zero@plt>
  mov    %rax,%r12
  xor    %eax,%eax
  call   <unlock@plt>
L4:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name) {
  void *p;
  if (count >= 0x10000000 / el_size) {
    return NULL;
  }
  lock();
  p = _talloc_zero(ctx, el_size * count, name);
  unlock();
  return p;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<_talloc_zero_array>:
  endbr64
  push   %r14
  mov    $0x10000000,%eax
  push   %r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  mov    %edx,%ebx
  xor    %edx,%edx
  div    %rsi
  cmp    %rax,%rbx
  jae    L0
  mov    %rsi,%rbp
  mov    %rcx,%r13
  mov    %rdi,%r14
  xor    %eax,%eax
  call   <lock@plt>
  imul   %rbp,%rbx
  mov    %r13,%rdx
  mov    %r14,%rdi
  mov    %rbx,%rsi
  call   <_talloc_zero@plt>
  mov    %rax,%r12
  xor    %eax,%eax
  call   <unlock@plt>
L0:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
void *_talloc_zero_array(const void *ctx, size_t el_size, unsigned count, const char *name) {
  void *p;
  if (count >= 0x10000000 / el_size) {
    return NULL;
  }
  lock();
  p = _talloc_zero(ctx, el_size * count, name);
  unlock();
  return p;
}
```