ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<shake256>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x130,%rsp
  mov    %rdi,-0x118(%rbp)
  mov    %rsi,-0x120(%rbp)
  mov    %rdx,-0x128(%rbp)
  mov    %rcx,-0x130(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x120(%rbp),%rax
  movabs $0xf0f0f0f0f0f0f0f1,%rdx
  mul    %rdx
  mov    %rdx,%rax
  shr    $0x7,%rax
  mov    %rax,-0x108(%rbp)
  mov    -0x130(%rbp),%rcx
  mov    -0x128(%rbp),%rdx
  lea    -0x100(%rbp),%rax
  mov    $0x1f,%r8d
  mov    $0x88,%esi
  mov    %rax,%rdi
  call   <keccak_absorb@plt>
  mov    -0x108(%rbp),%rax
  mov    %eax,%esi
  lea    -0x100(%rbp),%rdx
  mov    -0x118(%rbp),%rax
  mov    $0x88,%ecx
  mov    %rax,%rdi
  call   <keccak_squeezeblocks@plt>
  mov    -0x108(%rbp),%rdx
  mov    %rdx,%rax
  shl    $0x4,%rax
  add    %rdx,%rax
  shl    $0x3,%rax
  add    %rax,-0x118(%rbp)
  mov    -0x108(%rbp),%rdx
  mov    %rdx,%rax
  shl    $0x4,%rax
  add    %rdx,%rax
  shl    $0x3,%rax
  sub    %rax,-0x120(%rbp)
  cmpq   $0x0,-0x120(%rbp)
  je     L28
  lea    -0x100(%rbp),%rdx
  lea    -0x90(%rbp),%rax
  mov    $0x88,%ecx
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <keccak_squeezeblocks@plt>
  movq   $0x0,-0x110(%rbp)
  jmp    L29
L32:
  mov    -0x118(%rbp),%rdx
  mov    -0x110(%rbp),%rax
  add    %rax,%rdx
  lea    -0x90(%rbp),%rcx
  mov    -0x110(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addq   $0x1,-0x110(%rbp)
L29:
  mov    -0x110(%rbp),%rax
  cmp    -0x120(%rbp),%rax
  jb     L32
L28:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L24
  call   <__stack_chk_fail@plt>
L24:
  leave
  ret
```

assistant: ```c
void shake256(unsigned char *output, unsigned long long outlen, const unsigned char *input, unsigned long long inlen) {
  uint64_t s[25];
  unsigned char t[136];
  unsigned long long nblocks = outlen / 136;
  size_t i;
  keccak_absorb(s, 136, input, inlen, 0x1F);
  keccak_squeezeblocks(output, nblocks, s, 136);
  output += nblocks * 136;
  outlen -= nblocks * 136;
  if (outlen) {
    keccak_squeezeblocks(t, 1, s, 136);
    for (i = 0; i < outlen; i++)
      output[i] = t[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
<shake256>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x108,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %rdx,%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0xf8(%rsp)
  xor    %eax,%eax
  movabs $0xf0f0f0f0f0f0f0f1,%rdx
  mov    %rbx,%rax
  mul    %rdx
  shr    $0x7,%rdx
  mov    %rdx,%r12
  mov    %rsp,%r13
  mov    $0x1f,%r8d
  mov    %rsi,%rdx
  mov    $0x88,%esi
  mov    %r13,%rdi
  call   <keccak_absorb@plt>
  mov    $0x88,%ecx
  mov    %r13,%rdx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <keccak_squeezeblocks@plt>
  mov    %r12,%rcx
  shl    $0x4,%rcx
  add    %r12,%rcx
  shl    $0x3,%rcx
  sub    %rcx,%rbx
  jne    L24
L6:
  mov    0xf8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L13
  add    $0x108,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L24:
  mov    %rcx,%r12
  mov    %rsp,%rdx
  lea    0x70(%rsp),%rdi
  mov    $0x88,%ecx
  mov    $0x1,%esi
  call   <keccak_squeezeblocks@plt>
  mov    $0x0,%ecx
  add    %r12,%rbp
L0:
  movzbl 0x70(%rsp,%rcx,1),%eax
  mov    %al,0x0(%rbp,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rbx
  jne    L0
  jmp    L6
L13:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void shake256(unsigned char *output, unsigned long long outlen, const unsigned char *input, unsigned long long inlen) {
  uint64_t s[25];
  unsigned char t[136];
  unsigned long long nblocks = outlen / 136;
  size_t i;
  keccak_absorb(s, 136, input, inlen, 0x1F);
  keccak_squeezeblocks(output, nblocks, s, 136);
  output += nblocks * 136;
  outlen -= nblocks * 136;
  if (outlen) {
    keccak_squeezeblocks(t, 1, s, 136);
    for (i = 0; i < outlen; i++)
      output[i] = t[i];
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<shake256>:
  endbr64
  push   %r14
  mov    %rdx,%r9
  mov    $0x1f,%r8d
  movabs $0xf0f0f0f0f0f0f0f1,%rdx
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x100,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xf8(%rsp)
  xor    %eax,%eax
  mov    %rsi,%rax
  mov    %rsp,%r13
  mov    $0x88,%esi
  mul    %rdx
  mov    %r13,%rdi
  shr    $0x7,%rdx
  mov    %rdx,%rbp
  mov    %r9,%rdx
  call   <keccak_absorb@plt>
  mov    %ebp,%esi
  mov    $0x88,%ecx
  mov    %r13,%rdx
  mov    %r12,%rdi
  call   <keccak_squeezeblocks@plt>
  mov    %rbp,%rax
  shl    $0x4,%rax
  add    %rax,%rbp
  shl    $0x3,%rbp
  sub    %rbp,%rbx
  jne    L16
L55:
  mov    0xf8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L72
  add    $0x100,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L16:
  lea    0x70(%rsp),%r14
  mov    $0x88,%ecx
  mov    %r13,%rdx
  add    %rbp,%r12
  mov    $0x1,%esi
  mov    %r14,%rdi
  call   <keccak_squeezeblocks@plt>
  mov    %ebx,%ecx
  cmp    $0x8,%ebx
  jae    L39
  and    $0x4,%ebx
  jne    L52
  test   %ecx,%ecx
  je     L55
  movzbl 0x70(%rsp),%eax
  mov    %al,(%r12)
  test   $0x2,%cl
  je     L55
  movzwl -0x2(%r14,%rcx,1),%eax
  mov    %ax,-0x2(%r12,%rcx,1)
  jmp    L55
  nopl   0x0(%rax)
L39:
  mov    0x70(%rsp),%rax
  lea    0x8(%r12),%rdi
  mov    %r14,%rsi
  and    $0xfffffffffffffff8,%rdi
  mov    %rax,(%r12)
  mov    %ebx,%eax
  mov    -0x8(%r14,%rax,1),%rdx
  mov    %rdx,-0x8(%r12,%rax,1)
  sub    %rdi,%r12
  lea    (%rbx,%r12,1),%ecx
  sub    %r12,%rsi
  shr    $0x3,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  jmp    L55
L52:
  mov    0x70(%rsp),%eax
  mov    %eax,(%r12)
  mov    -0x4(%r14,%rcx,1),%eax
  mov    %eax,-0x4(%r12,%rcx,1)
  jmp    L55
L72:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void shake256(unsigned char *output, unsigned long long outlen, const unsigned char *input, unsigned long long inlen) {
  uint64_t s[25];
  unsigned char t[136];
  unsigned long long nblocks = outlen / 136;
  size_t i;
  keccak_absorb(s, 136, input, inlen, 0x1F);
  keccak_squeezeblocks(output, nblocks, s, 136);
  output += nblocks * 136;
  outlen -= nblocks * 136;
  if (outlen) {
    keccak_squeezeblocks(t, 1, s, 136);
    for (i = 0; i < outlen; i++)
      output[i] = t[i];
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<shake256>:
  endbr64
  push   %r14
  mov    %rdx,%r9
  mov    $0x1f,%r8d
  movabs $0xf0f0f0f0f0f0f0f1,%rdx
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x100,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xf8(%rsp)
  xor    %eax,%eax
  mov    %rsi,%rax
  mov    %rsp,%r13
  mov    $0x88,%esi
  mul    %rdx
  mov    %r13,%rdi
  shr    $0x7,%rdx
  mov    %rdx,%rbp
  mov    %r9,%rdx
  call   <keccak_absorb@plt>
  mov    %ebp,%esi
  mov    $0x88,%ecx
  mov    %r13,%rdx
  mov    %r12,%rdi
  call   <keccak_squeezeblocks@plt>
  mov    %rbp,%rax
  shl    $0x4,%rax
  add    %rax,%rbp
  shl    $0x3,%rbp
  sub    %rbp,%rbx
  jne    L37
L67:
  mov    0xf8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L86
  add    $0x100,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L37:
  lea    0x70(%rsp),%r14
  mov    $0x88,%ecx
  mov    %r13,%rdx
  add    %rbp,%r12
  mov    $0x1,%esi
  mov    %r14,%rdi
  call   <keccak_squeezeblocks@plt>
  mov    %ebx,%ecx
  cmp    $0x8,%ebx
  jae    L71
  and    $0x4,%ebx
  jne    L30
  test   %ecx,%ecx
  je     L67
  movzbl 0x70(%rsp),%eax
  mov    %al,(%r12)
  test   $0x2,%cl
  je     L67
  movzwl -0x2(%r14,%rcx,1),%eax
  mov    %ax,-0x2(%r12,%rcx,1)
  jmp    L67
  nopl   0x0(%rax)
L71:
  mov    0x70(%rsp),%rax
  lea    0x8(%r12),%rdi
  mov    %r14,%rsi
  and    $0xfffffffffffffff8,%rdi
  mov    %rax,(%r12)
  mov    %ebx,%eax
  mov    -0x8(%r14,%rax,1),%rdx
  mov    %rdx,-0x8(%r12,%rax,1)
  sub    %rdi,%r12
  lea    (%rbx,%r12,1),%ecx
  sub    %r12,%rsi
  shr    $0x3,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  jmp    L67
L30:
  mov    0x70(%rsp),%eax
  mov    %eax,(%r12)
  mov    -0x4(%r14,%rcx,1),%eax
  mov    %eax,-0x4(%r12,%rcx,1)
  jmp    L67
L86:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void shake256(unsigned char *output, unsigned long long outlen, const unsigned char *input, unsigned long long inlen) {
  uint64_t s[25];
  unsigned char t[136];
  unsigned long long nblocks = outlen / 136;
  size_t i;
  keccak_absorb(s, 136, input, inlen, 0x1F);
  keccak_squeezeblocks(output, nblocks, s, 136);
  output += nblocks * 136;
  outlen -= nblocks * 136;
  if (outlen) {
    keccak_squeezeblocks(t, 1, s, 136);
    for (i = 0; i < outlen; i++)
      output[i] = t[i];
  }
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<detect_endian>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x10(%rbp),%rax
  movl   $0x1,(%rax)
  mov    -0x10(%rbp),%eax
  test   %eax,%eax
  jne    L55
  mov    -0xc(%rbp),%eax
  cmp    $0x1,%eax
  jne    L55
  mov    $0xffffffff,%eax
  jmp    L21
L55:
  mov    -0x10(%rbp),%eax
  cmp    $0x1,%eax
  jne    L52
  mov    -0xc(%rbp),%eax
  test   %eax,%eax
  jne    L52
  mov    $0x1,%eax
  jmp    L21
L52:
  mov    $0x0,%eax
L21:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L6
  call   <__stack_chk_fail@plt>
L6:
  leave
  ret
```

assistant: ```c
int detect_endian() {
  uint8_t x[2];
  *((uint16_t *)x) = 1;
  if (x[0] == 0 && x[1] == 1)
    return -1;
  if (x[0] == 1 && x[1] == 0)
    return 1;
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<detect_endian>:
  endbr64
  mov    $0x1,%eax
  ret
```

assistant: ```c
int detect_endian() {
  uint8_t x[2];
  *((uint16_t *)x) = 1;
  if (x[0] == 0 && x[1] == 1)
    return -1;
  if (x[0] == 1 && x[1] == 0)
    return 1;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<detect_endian>:
  endbr64
  mov    $0x1,%eax
  ret
```

assistant: ```c
int detect_endian() {
  uint8_t x[2];
  *((uint16_t *)x) = 1;
  if (x[0] == 0 && x[1] == 1)
    return -1;
  if (x[0] == 1 && x[1] == 0)
    return 1;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<detect_endian>:
  endbr64
  mov    $0x1,%eax
  ret
```

assistant: ```c
int detect_endian() {
  uint8_t x[2];
  *((uint16_t *)x) = 1;
  if (x[0] == 0 && x[1] == 1)
    return -1;
  if (x[0] == 1 && x[1] == 0)
    return 1;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<HalfToSinglePrecision>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  mov    %edi,%eax
  mov    %ax,-0x2c(%rbp)
  movzwl -0x2c(%rbp),%eax
  shr    $0xf,%ax
  movzwl %ax,%eax
  and    $0x1,%eax
  mov    %eax,%r13d
  movzwl -0x2c(%rbp),%eax
  shr    $0xa,%ax
  movzwl %ax,%eax
  and    $0x1f,%eax
  mov    %eax,%ebx
  movzwl -0x2c(%rbp),%eax
  and    $0x3ff,%eax
  mov    %eax,%r12d
  test   %ebx,%ebx
  jne    L56
  test   %r12d,%r12d
  jne    L64
  mov    %r13d,%eax
  shl    $0x1f,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L27
L73:
  add    %r12d,%r12d
  sub    $0x1,%ebx
L64:
  mov    %r12d,%eax
  and    $0x400,%eax
  test   %eax,%eax
  je     L73
  add    $0x1,%ebx
  and    $0xfffffbff,%r12d
  add    $0x70,%ebx
  mov    %r13d,%edx
  shl    $0x1f,%edx
  mov    %ebx,%eax
  shl    $0x17,%eax
  or     %eax,%edx
  mov    %r12d,%eax
  shl    $0xd,%eax
  or     %edx,%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L27
L56:
  cmp    $0x1f,%ebx
  jne    L35
  mov    %r13d,%eax
  shl    $0x1f,%eax
  or     $0x7f800000,%eax
  mov    %eax,-0x1c(%rbp)
  test   %r12d,%r12d
  je     L27
  mov    %r12d,%eax
  shl    $0xd,%eax
  or     %eax,-0x1c(%rbp)
  jmp    L27
L35:
  add    $0x70,%ebx
  shl    $0xd,%r12d
  mov    %r13d,%edx
  shl    $0x1f,%edx
  mov    %ebx,%eax
  shl    $0x17,%eax
  or     %edx,%eax
  or     %r12d,%eax
  mov    %eax,-0x1c(%rbp)
L27:
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  movss  -0x20(%rbp),%xmm0
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
```

assistant: ```c
float HalfToSinglePrecision(const unsigned short half) {
  typedef union _SinglePrecision {
    unsigned int fixed_point;
    float single_precision;
  } SinglePrecision;
  register unsigned int exponent, significand, sign_bit;
  SinglePrecision map;
  unsigned int value;
  sign_bit = (unsigned int)((half >> 15) & 0x00000001);
  exponent = (unsigned int)((half >> 10) & 0x0000001f);
  significand = (unsigned int)(half & 0x000003ff);
  if (exponent == 0) {
    if (significand == 0)
      value = sign_bit << 31;
    else {
      while ((significand & 0x00000400) == 0) {
        significand <<= 1;
        exponent--;
      }
      exponent++;
      significand &= (~0x00000400);
      exponent += (127 - 15);
      value = (sign_bit << 31) | (exponent << 23) | (significand << 13);
    }
  } else if (exponent == 31) {
    value = (sign_bit << 31) | 0x7f800000;
    if (significand != 0)
      value |= (significand << 13);
  } else {
    exponent += (127 - 15);
    significand <<= 13;
    value = (sign_bit << 31) | (exponent << 23) | significand;
  }
  map.fixed_point = value;
  return (map.single_precision);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<HalfToSinglePrecision>:
  endbr64
  mov    %edi,%eax
  shr    $0xf,%ax
  movzwl %ax,%edx
  mov    %edi,%eax
  shr    $0xa,%ax
  and    $0x3ff,%edi
  and    $0x1f,%eax
  jne    L12
  test   %edi,%edi
  jne    L44
  mov    %edx,%eax
  shl    $0x1f,%eax
  jmp    L29
L44:
  mov    %edi,%esi
  add    %edi,%edi
  mov    %eax,%ecx
  sub    $0x1,%eax
  test   $0x400,%edi
  je     L44
  add    $0x70,%ecx
  shl    $0x17,%ecx
  shl    $0xe,%esi
  and    $0xff7fe000,%esi
  or     %esi,%ecx
  mov    %edx,%eax
  shl    $0x1f,%eax
  or     %ecx,%eax
  jmp    L29
L12:
  cmp    $0x1f,%eax
  je     L9
  shl    $0x1f,%edx
  shl    $0xd,%edi
  or     %edi,%edx
  add    $0x70,%eax
  shl    $0x17,%eax
  or     %edx,%eax
L29:
  movd   %eax,%xmm0
  ret
L9:
  mov    %edx,%eax
  shl    $0x1f,%eax
  or     $0x7f800000,%eax
  mov    %edi,%edx
  shl    $0xd,%edx
  or     %eax,%edx
  test   %edi,%edi
  cmovne %edx,%eax
  jmp    L29
```

assistant: ```c
float HalfToSinglePrecision(const unsigned short half) {
  typedef union _SinglePrecision {
    unsigned int fixed_point;
    float single_precision;
  } SinglePrecision;
  register unsigned int exponent, significand, sign_bit;
  SinglePrecision map;
  unsigned int value;
  sign_bit = (unsigned int)((half >> 15) & 0x00000001);
  exponent = (unsigned int)((half >> 10) & 0x0000001f);
  significand = (unsigned int)(half & 0x000003ff);
  if (exponent == 0) {
    if (significand == 0)
      value = sign_bit << 31;
    else {
      while ((significand & 0x00000400) == 0) {
        significand <<= 1;
        exponent--;
      }
      exponent++;
      significand &= (~0x00000400);
      exponent += (127 - 15);
      value = (sign_bit << 31) | (exponent << 23) | (significand << 13);
    }
  } else if (exponent == 31) {
    value = (sign_bit << 31) | 0x7f800000;
    if (significand != 0)
      value |= (significand << 13);
  } else {
    exponent += (127 - 15);
    significand <<= 13;
    value = (sign_bit << 31) | (exponent << 23) | significand;
  }
  map.fixed_point = value;
  return (map.single_precision);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<HalfToSinglePrecision>:
  endbr64
  mov    %edi,%edx
  mov    %edi,%ecx
  mov    %edi,%eax
  shr    $0xf,%di
  shr    $0xa,%dx
  and    $0x3ff,%cx
  and    $0x3ff,%eax
  shl    $0x1f,%edi
  and    $0x1f,%dx
  jne    L39
  test   %cx,%cx
  je     L17
  xor    %edx,%edx
  nopl   0x0(%rax)
L31:
  mov    %eax,%esi
  add    %eax,%eax
  mov    %edx,%ecx
  sub    $0x1,%edx
  test   $0x4,%ah
  je     L31
  add    $0x70,%ecx
  shl    $0xe,%esi
  shl    $0x17,%ecx
  and    $0xff7fe000,%esi
  or     %esi,%ecx
  or     %ecx,%edi
L17:
  movd   %edi,%xmm0
  ret
  cs nopw 0x0(%rax,%rax,1)
L39:
  cmp    $0x1f,%dx
  je     L6
  add    $0x70,%edx
  shl    $0xd,%eax
  or     %edi,%eax
  shl    $0x17,%edx
  or     %eax,%edx
  mov    %edx,%edi
  movd   %edi,%xmm0
  ret
  nopw   0x0(%rax,%rax,1)
L6:
  or     $0x7f800000,%edi
  shl    $0xd,%eax
  or     %edi,%eax
  test   %cx,%cx
  cmovne %eax,%edi
  movd   %edi,%xmm0
  ret
```

assistant: ```c
float HalfToSinglePrecision(const unsigned short half) {
  typedef union _SinglePrecision {
    unsigned int fixed_point;
    float single_precision;
  } SinglePrecision;
  register unsigned int exponent, significand, sign_bit;
  SinglePrecision map;
  unsigned int value;
  sign_bit = (unsigned int)((half >> 15) & 0x00000001);
  exponent = (unsigned int)((half >> 10) & 0x0000001f);
  significand = (unsigned int)(half & 0x000003ff);
  if (exponent == 0) {
    if (significand == 0)
      value = sign_bit << 31;
    else {
      while ((significand & 0x00000400) == 0) {
        significand <<= 1;
        exponent--;
      }
      exponent++;
      significand &= (~0x00000400);
      exponent += (127 - 15);
      value = (sign_bit << 31) | (exponent << 23) | (significand << 13);
    }
  } else if (exponent == 31) {
    value = (sign_bit << 31) | 0x7f800000;
    if (significand != 0)
      value |= (significand << 13);
  } else {
    exponent += (127 - 15);
    significand <<= 13;
    value = (sign_bit << 31) | (exponent << 23) | significand;
  }
  map.fixed_point = value;
  return (map.single_precision);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<HalfToSinglePrecision>:
  endbr64
  mov    %edi,%edx
  mov    %edi,%ecx
  mov    %edi,%eax
  shr    $0xf,%di
  shr    $0xa,%dx
  and    $0x3ff,%cx
  and    $0x3ff,%eax
  shl    $0x1f,%edi
  and    $0x1f,%dx
  jne    L9
  test   %cx,%cx
  je     L35
  xor    %edx,%edx
  nopl   0x0(%rax)
L13:
  mov    %eax,%esi
  add    %eax,%eax
  mov    %edx,%ecx
  sub    $0x1,%edx
  test   $0x4,%ah
  je     L13
  add    $0x70,%ecx
  shl    $0xe,%esi
  shl    $0x17,%ecx
  and    $0xff7fe000,%esi
  or     %esi,%ecx
  or     %ecx,%edi
L35:
  movd   %edi,%xmm0
  ret
  cs nopw 0x0(%rax,%rax,1)
L9:
  cmp    $0x1f,%dx
  je     L38
  add    $0x70,%edx
  shl    $0xd,%eax
  or     %edi,%eax
  shl    $0x17,%edx
  or     %eax,%edx
  mov    %edx,%edi
  movd   %edi,%xmm0
  ret
  nopw   0x0(%rax,%rax,1)
L38:
  or     $0x7f800000,%edi
  shl    $0xd,%eax
  or     %edi,%eax
  test   %cx,%cx
  cmovne %eax,%edi
  movd   %edi,%xmm0
  ret
```

assistant: ```c
float HalfToSinglePrecision(const unsigned short half) {
  typedef union _SinglePrecision {
    unsigned int fixed_point;
    float single_precision;
  } SinglePrecision;
  register unsigned int exponent, significand, sign_bit;
  SinglePrecision map;
  unsigned int value;
  sign_bit = (unsigned int)((half >> 15) & 0x00000001);
  exponent = (unsigned int)((half >> 10) & 0x0000001f);
  significand = (unsigned int)(half & 0x000003ff);
  if (exponent == 0) {
    if (significand == 0)
      value = sign_bit << 31;
    else {
      while ((significand & 0x00000400) == 0) {
        significand <<= 1;
        exponent--;
      }
      exponent++;
      significand &= (~0x00000400);
      exponent += (127 - 15);
      value = (sign_bit << 31) | (exponent << 23) | (significand << 13);
    }
  } else if (exponent == 31) {
    value = (sign_bit << 31) | 0x7f800000;
    if (significand != 0)
      value |= (significand << 13);
  } else {
    exponent += (127 - 15);
    significand <<= 13;
    value = (sign_bit << 31) | (exponent << 23) | significand;
  }
  map.fixed_point = value;
  return (map.single_precision);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x100,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    $0x100,%eax
  je     L4
  mov    $0x0,%eax
  call   <abort@plt>
L4:
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
main() {
  volatile int x = L'\x0000000100';
  if (x != 0x100)
    abort();
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  movl   $0x100,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    $0x100,%eax
  jne    L8
L5:
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L8:
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L5
```

assistant: ```c
main() {
  volatile int x = L'\x0000000100';
  if (x != 0x100)
    abort();
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  movl   $0x100,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    $0x100,%eax
  je     L2
  xor    %eax,%eax
  call   <abort@plt>
L2:
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
```

assistant: ```c
main() {
  volatile int x = L'\x0000000100';
  if (x != 0x100)
    abort();
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  movl   $0x100,0xc(%rsp)
  mov    0xc(%rsp),%eax
  cmp    $0x100,%eax
  je     L9
  xor    %eax,%eax
  call   <abort@plt>
L9:
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
```

assistant: ```c
main() {
  volatile int x = L'\x0000000100';
  if (x != 0x100)
    abort();
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x15(%rbp),%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movl   $0x0,-0x14(%rbp)
  jmp    L4
L17:
  movzbl -0x15(%rbp),%eax
  movsbl %al,%eax
  add    %eax,-0x14(%rbp)
  lea    -0x15(%rbp),%rax
  mov    %rax,%rsi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
L4:
  movzbl -0x15(%rbp),%eax
  cmp    $0xa,%al
  jne    L17
  mov    -0x14(%rbp),%eax
  cltd
  shr    $0x1a,%edx
  add    %edx,%eax
  and    $0x3f,%eax
  sub    %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  add    $0x20,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D30
type_guessed: string
name: read_data
arguments: label: D6
type_guessed: string
name: read_data
arguments: label: D37
type_guessed: string

tool: D30: Enter an abitrarily long string, ending with carriage return > 

tool: D6: %c

tool: D37: Check sum is %c


assistant: ```c
int main() {
  char x;
  int rem;
  int sum;
  int checksum;
  printf("Enter an abitrarily long string, ending with carriage return > ");
  scanf("%c", &x);
  sum = 0;
  while (x != '\n') {
    sum = sum + x;
    scanf("%c", &x);
  }
  rem = sum % 64;
  checksum = rem + ' ';
  printf("Check sum is %c\n", checksum);
  return 0;
}
```