ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<poly_mul_sub2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x200,%rsp
  mov    %rdi,-0x1b8(%rbp)
  mov    %rsi,-0x1c0(%rbp)
  mov    %rdx,-0x1c8(%rbp)
  mov    %rcx,-0x1d0(%rbp)
  mov    %r8,-0x1d8(%rbp)
  mov    %r9,-0x1e0(%rbp)
  mov    0x10(%rbp),%rax
  mov    %rax,-0x1e8(%rbp)
  mov    0x18(%rbp),%rax
  mov    %rax,-0x1f0(%rbp)
  mov    0x20(%rbp),%rax
  mov    %rax,-0x1f8(%rbp)
  mov    0x28(%rbp),%rax
  mov    %rax,-0x200(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x1b0(%rbp),%r8
  lea    -0x1a0(%rbp),%rdi
  mov    -0x1e0(%rbp),%rcx
  mov    -0x1d8(%rbp),%rdx
  mov    -0x1c0(%rbp),%rsi
  mov    -0x1b8(%rbp),%rax
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <poly_mul2@plt>
  lea    -0x1a8(%rbp),%r8
  lea    -0xd0(%rbp),%rdi
  mov    -0x1f0(%rbp),%rcx
  mov    -0x1e8(%rbp),%rdx
  mov    -0x1d0(%rbp),%rsi
  mov    -0x1c8(%rbp),%rax
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <poly_mul2@plt>
  mov    -0x200(%rbp),%r8
  mov    -0x1f8(%rbp),%rdi
  lea    -0x1a8(%rbp),%rcx
  lea    -0x1b0(%rbp),%rdx
  lea    -0xd0(%rbp),%rsi
  lea    -0x1a0(%rbp),%rax
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <poly_sub2@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
void poly_mul_sub2(double u1[5][5], double u2[5][5], double u3[5][5], double u4[5][5], int p1[2], int p2[2], int p3[2], int p4[2], double u5[5][5], int p5[2]) {
  double d1[5][5], d2[5][5];
  int pd1[2], pd2[2];
  poly_mul2(u1, u2, p1, p2, d1, pd1);
  poly_mul2(u3, u4, p3, p4, d2, pd2);
  poly_sub2(d1, d2, pd1, pd2, u5, p5);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<poly_mul_sub2>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1d8,%rsp
  mov    %rdx,(%rsp)
  mov    %rcx,0x8(%rsp)
  mov    %r8,%rdx
  mov    %r9,%rcx
  mov    0x210(%rsp),%rax
  mov    %rax,0x10(%rsp)
  mov    0x218(%rsp),%rbx
  mov    %rbx,0x18(%rsp)
  mov    0x220(%rsp),%r14
  mov    0x228(%rsp),%r15
  mov    %fs:0x28,%rax
  mov    %rax,0x1c8(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%r12
  lea    0x30(%rsp),%rbx
  mov    %r12,%r9
  mov    %rbx,%r8
  call   <poly_mul2@plt>
  lea    0x28(%rsp),%r13
  lea    0x100(%rsp),%rbp
  mov    %r13,%r9
  mov    %rbp,%r8
  mov    0x18(%rsp),%rcx
  mov    0x10(%rsp),%rdx
  mov    0x8(%rsp),%rsi
  mov    (%rsp),%rdi
  call   <poly_mul2@plt>
  mov    %r15,%r9
  mov    %r14,%r8
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <poly_sub2@plt>
  mov    0x1c8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x1d8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void poly_mul_sub2(double u1[5][5], double u2[5][5], double u3[5][5], double u4[5][5], int p1[2], int p2[2], int p3[2], int p4[2], double u5[5][5], int p5[2]) {
  double d1[5][5], d2[5][5];
  int pd1[2], pd2[2];
  poly_mul2(u1, u2, p1, p2, d1, pd1);
  poly_mul2(u3, u4, p3, p4, d2, pd2);
  poly_sub2(d1, d2, pd1, pd2, u5, p5);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<poly_mul_sub2>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1d8,%rsp
  mov    %rdx,(%rsp)
  mov    0x210(%rsp),%r10
  lea    0x20(%rsp),%r13
  lea    0x30(%rsp),%rbp
  mov    0x218(%rsp),%r11
  mov    %rcx,0x8(%rsp)
  mov    %r8,%rdx
  mov    %r9,%rcx
  mov    %r10,0x18(%rsp)
  mov    %r13,%r9
  mov    %rbp,%r8
  lea    0x28(%rsp),%r14
  mov    %r11,0x10(%rsp)
  mov    0x220(%rsp),%rbx
  lea    0x100(%rsp),%r12
  mov    0x228(%rsp),%r15
  mov    %fs:0x28,%rax
  mov    %rax,0x1c8(%rsp)
  xor    %eax,%eax
  call   <poly_mul2@plt>
  mov    0x10(%rsp),%rcx
  mov    %r14,%r9
  mov    %r12,%r8
  mov    0x18(%rsp),%rdx
  mov    0x8(%rsp),%rsi
  mov    (%rsp),%rdi
  call   <poly_mul2@plt>
  mov    %r15,%r9
  mov    %rbx,%r8
  mov    %r14,%rcx
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <poly_sub2@plt>
  mov    0x1c8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x1d8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void poly_mul_sub2(double u1[5][5], double u2[5][5], double u3[5][5], double u4[5][5], int p1[2], int p2[2], int p3[2], int p4[2], double u5[5][5], int p5[2]) {
  double d1[5][5], d2[5][5];
  int pd1[2], pd2[2];
  poly_mul2(u1, u2, p1, p2, d1, pd1);
  poly_mul2(u3, u4, p3, p4, d2, pd2);
  poly_sub2(d1, d2, pd1, pd2, u5, p5);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<poly_mul_sub2>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1d8,%rsp
  mov    %rdx,(%rsp)
  mov    0x210(%rsp),%r10
  lea    0x20(%rsp),%r13
  lea    0x30(%rsp),%rbp
  mov    0x218(%rsp),%r11
  mov    %rcx,0x8(%rsp)
  mov    %r8,%rdx
  mov    %r9,%rcx
  mov    %r10,0x18(%rsp)
  mov    %r13,%r9
  mov    %rbp,%r8
  lea    0x28(%rsp),%r14
  mov    %r11,0x10(%rsp)
  mov    0x220(%rsp),%rbx
  lea    0x100(%rsp),%r12
  mov    0x228(%rsp),%r15
  mov    %fs:0x28,%rax
  mov    %rax,0x1c8(%rsp)
  xor    %eax,%eax
  call   <poly_mul2@plt>
  mov    0x10(%rsp),%rcx
  mov    %r14,%r9
  mov    %r12,%r8
  mov    0x18(%rsp),%rdx
  mov    0x8(%rsp),%rsi
  mov    (%rsp),%rdi
  call   <poly_mul2@plt>
  mov    %r15,%r9
  mov    %rbx,%r8
  mov    %r14,%rcx
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <poly_sub2@plt>
  mov    0x1c8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x1d8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void poly_mul_sub2(double u1[5][5], double u2[5][5], double u3[5][5], double u4[5][5], int p1[2], int p2[2], int p3[2], int p4[2], double u5[5][5], int p5[2]) {
  double d1[5][5], d2[5][5];
  int pd1[2], pd2[2];
  poly_mul2(u1, u2, p1, p2, d1, pd1);
  poly_mul2(u3, u4, p3, p4, d2, pd2);
  poly_sub2(d1, d2, pd1, pd2, u5, p5);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<benchmark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%r13d
  mov    %esi,%r12d
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %esi,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L75:
  cmp    %rdx,%rsp
  je     L16
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L75
L16:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L77
  orq    $0x0,-0x8(%rsp,%rax,1)
L77:
  mov    %rsp,%r14
  test   %r12d,%r12d
  jle    L67
  mov    %r14,%rbx
  mov    %r12d,%eax
  lea    (%r14,%rax,4),%r15
L40:
  mov    $0x0,%eax
  call   <rand_float@plt>
  mulss  D8(%rip),%xmm0
  subss  D18(%rip),%xmm0
  movss  %xmm0,(%rbx)
  add    $0x4,%rbx
  cmp    %r15,%rbx
  jne    L40
L67:
  mov    $0x0,%eax
  call   <tic@plt>
  movq   %xmm0,%r15
  test   %r13d,%r13d
  jle    L73
  mov    $0x0,%ebx
L66:
  mov    $0x1,%edx
  mov    %r14,%rsi
  movss  D12(%rip),%xmm0
  mov    %r12d,%edi
  call   <stdlib_strided_dsvariance@plt>
  ucomisd %xmm0,%xmm0
  jp     L4
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L66
L73:
  mov    $0x0,%eax
  call   <tic@plt>
  movq   %r15,%xmm1
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rbx
L51:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L93
  movq   %rbx,%xmm0
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L4:
  lea    D11(%rip),%r12
  mov    %r12,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  call   <tic@plt>
  movq   %r15,%xmm2
  subsd  %xmm2,%xmm0
  movq   %xmm0,%rbx
  mov    %r12,%rdi
  call   <printf@plt>
  jmp    L51
L93:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D8
type_guessed: byte[4]
name: read_data
arguments: tag: D18
type_guessed: byte[4]
name: read_data
arguments: tag: D12
type_guessed: byte[4]
name: read_data
arguments: tag: D11
type_guessed: string

tool: {"D8": [0x00,0x40,0x9c,0x46]}

tool: {"D18": [0x00,0x40,0x1c,0x46]}

tool: {"D12": [0x00,0x00,0x80,0x3f]}

tool: D11: should not return NaN


assistant: ```c
double benchmark(int iterations, int len) {
  double elapsed;
  float x[len];
  double v;
  double t;
  int i;
  for (i = 0; i < len; i++) {
    x[i] = (rand_float() * 20000.0f) - 10000.0f;
  }
  v = 0.0;
  t = tic();
  for (i = 0; i < iterations; i++) {
    v = stdlib_strided_dsvariance(len, 1.0f, x, 1);
    if (v != v) {
      printf("should not return NaN\n");
      break;
    }
  }
  elapsed = tic() - t;
  if (v != v) {
    printf("should not return NaN\n");
  }
  return elapsed;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<benchmark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbx
  mov    %esi,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %esi,%rax
  mov    %rsp,%rcx
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L31
L97:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L97
L31:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L9
L10:
  mov    %rsp,%r13
  test   %ebx,%ebx
  jle    L101
  mov    %ebx,%eax
  mov    %r13,%r15
  lea    0x0(%r13,%rax,4),%r14
  nopl   0x0(%rax)
L108:
  xor    %eax,%eax
  add    $0x4,%r15
  call   <rand_float@plt>
  mulss  D0(%rip),%xmm0
  subss  D31(%rip),%xmm0
  movss  %xmm0,-0x4(%r15)
  cmp    %r14,%r15
  jne    L108
L101:
  xor    %eax,%eax
  call   <tic@plt>
  movsd  %xmm0,-0x48(%rbp)
  test   %r12d,%r12d
  jle    L111
  xor    %r14d,%r14d
  jmp    L55
  nopl   0x0(%rax,%rax,1)
L36:
  add    $0x1,%r14d
  cmp    %r14d,%r12d
  je     L111
L55:
  movss  D14(%rip),%xmm0
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    %ebx,%edi
  call   <stdlib_strided_dsvariance@plt>
  ucomisd %xmm0,%xmm0
  jnp    L36
  lea    D28(%rip),%r12
  mov    %r12,%rdi
  call   <printf@plt>
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  mov    %r12,%rdi
  movsd  %xmm0,-0x48(%rbp)
  call   <printf@plt>
  movsd  -0x48(%rbp),%xmm0
L68:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L87
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  nopl   0x0(%rax)
L111:
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  jmp    L68
  cs nopw 0x0(%rax,%rax,1)
L9:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L10
L87:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D0
type_infered: byte[4]
name: unpack_data
arguments: data_tag: D31
type_infered: byte[4]
name: unpack_data
arguments: data_tag: D14
type_infered: byte[4]
name: unpack_data
arguments: data_tag: D28
type_infered: string

tool: {"D0": [0x00,0x40,0x9c,0x46]}

tool: {"D31": [0x00,0x40,0x1c,0x46]}

tool: {"D14": [0x00,0x00,0x80,0x3f]}

tool: D28: should not return NaN


assistant: ```c
double benchmark(int iterations, int len) {
  double elapsed;
  float x[len];
  double v;
  double t;
  int i;
  for (i = 0; i < len; i++) {
    x[i] = (rand_float() * 20000.0f) - 10000.0f;
  }
  v = 0.0;
  t = tic();
  for (i = 0; i < iterations; i++) {
    v = stdlib_strided_dsvariance(len, 1.0f, x, 1);
    if (v != v) {
      printf("should not return NaN\n");
      break;
    }
  }
  elapsed = tic() - t;
  if (v != v) {
    printf("should not return NaN\n");
  }
  return elapsed;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<benchmark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbx
  mov    %esi,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %esi,%rax
  mov    %rsp,%rcx
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L48
L85:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L85
L48:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L46
L119:
  mov    %rsp,%r13
  test   %ebx,%ebx
  jle    L33
  mov    %ebx,%eax
  mov    %r13,%r15
  lea    0x0(%r13,%rax,4),%r14
  nopl   0x0(%rax)
L14:
  xor    %eax,%eax
  add    $0x4,%r15
  call   <rand_float@plt>
  mulss  D38(%rip),%xmm0
  subss  D31(%rip),%xmm0
  movss  %xmm0,-0x4(%r15)
  cmp    %r14,%r15
  jne    L14
L33:
  xor    %eax,%eax
  call   <tic@plt>
  movsd  %xmm0,-0x48(%rbp)
  test   %r12d,%r12d
  jle    L64
  xor    %r14d,%r14d
  jmp    L103
  nopl   0x0(%rax,%rax,1)
L52:
  add    $0x1,%r14d
  cmp    %r14d,%r12d
  je     L64
L103:
  movss  D36(%rip),%xmm0
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    %ebx,%edi
  call   <stdlib_strided_dsvariance@plt>
  ucomisd %xmm0,%xmm0
  jnp    L52
  lea    D28(%rip),%r12
  mov    %r12,%rdi
  call   <printf@plt>
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  mov    %r12,%rdi
  movsd  %xmm0,-0x48(%rbp)
  call   <printf@plt>
  movsd  -0x48(%rbp),%xmm0
L47:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  nopl   0x0(%rax)
L64:
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  jmp    L47
  cs nopw 0x0(%rax,%rax,1)
L46:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L119
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D38
type: byte[4]
name: disassemble_data
arguments: tag: D31
type: byte[4]
name: disassemble_data
arguments: tag: D36
type: byte[4]
name: disassemble_data
arguments: tag: D28
type: string

tool: {"D38": [0x00,0x40,0x9c,0x46]}

tool: {"D31": [0x00,0x40,0x1c,0x46]}

tool: {"D36": [0x00,0x00,0x80,0x3f]}

tool: D28: should not return NaN


assistant: ```c
double benchmark(int iterations, int len) {
  double elapsed;
  float x[len];
  double v;
  double t;
  int i;
  for (i = 0; i < len; i++) {
    x[i] = (rand_float() * 20000.0f) - 10000.0f;
  }
  v = 0.0;
  t = tic();
  for (i = 0; i < iterations; i++) {
    v = stdlib_strided_dsvariance(len, 1.0f, x, 1);
    if (v != v) {
      printf("should not return NaN\n");
      break;
    }
  }
  elapsed = tic() - t;
  if (v != v) {
    printf("should not return NaN\n");
  }
  return elapsed;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<i2cf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movsbl -0x4(%rbp),%eax
  cmp    $0xa,%eax
  ja     L42
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D11(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D11(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x2d,%eax
  jmp    L51
  mov    $0x30,%eax
  jmp    L51
  mov    $0x31,%eax
  jmp    L51
  mov    $0x32,%eax
  jmp    L51
  mov    $0x33,%eax
  jmp    L51
  mov    $0x34,%eax
  jmp    L51
  mov    $0x35,%eax
  jmp    L51
  mov    $0x36,%eax
  jmp    L51
  mov    $0x37,%eax
  jmp    L51
  mov    $0x38,%eax
  jmp    L51
  mov    $0x39,%eax
  jmp    L51
L42:
  mov    $0x2d,%eax
L51:
  pop    %rbp
  ret
```

assistant: ```c
char i2cf(char c) {
  switch (c) {
  case 0:
    return '-';
  case 1:
    return '0';
  case 2:
    return '1';
  case 3:
    return '2';
  case 4:
    return '3';
  case 5:
    return '4';
  case 6:
    return '5';
  case 7:
    return '6';
  case 8:
    return '7';
  case 9:
    return '8';
  case 10:
    return '9';
  }
  return '-';
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<i2cf>:
  endbr64
  cmp    $0xa,%dil
  ja     L4
  movzbl %dil,%edi
  lea    D2(%rip),%rdx
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x30,%eax
  ret
  mov    $0x31,%eax
  ret
  mov    $0x32,%eax
  ret
  mov    $0x33,%eax
  ret
  mov    $0x34,%eax
  ret
  mov    $0x35,%eax
  ret
  mov    $0x36,%eax
  ret
  mov    $0x37,%eax
  ret
  mov    $0x38,%eax
  ret
  mov    $0x39,%eax
  ret
L4:
  mov    $0x2d,%eax
  ret
```

assistant: ```c
char i2cf(char c) {
  switch (c) {
  case 0:
    return '-';
  case 1:
    return '0';
  case 2:
    return '1';
  case 3:
    return '2';
  case 4:
    return '3';
  case 5:
    return '4';
  case 6:
    return '5';
  case 7:
    return '6';
  case 8:
    return '7';
  case 9:
    return '8';
  case 10:
    return '9';
  }
  return '-';
}
```
user: What is the c source code of the assembly code below?

```asm
<i2cf>:
  endbr64
  lea    -0x1(%rdi),%eax
  add    $0x2f,%edi
  cmp    $0xa,%al
  mov    $0x2d,%eax
  cmovb  %edi,%eax
  ret
```

assistant: ```c
char i2cf(char c) {
  switch (c) {
  case 0:
    return '-';
  case 1:
    return '0';
  case 2:
    return '1';
  case 3:
    return '2';
  case 4:
    return '3';
  case 5:
    return '4';
  case 6:
    return '5';
  case 7:
    return '6';
  case 8:
    return '7';
  case 9:
    return '8';
  case 10:
    return '9';
  }
  return '-';
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<i2cf>:
  endbr64
  lea    -0x1(%rdi),%eax
  add    $0x2f,%edi
  cmp    $0xa,%al
  mov    $0x2d,%eax
  cmovb  %edi,%eax
  ret
```

assistant: ```c
char i2cf(char c) {
  switch (c) {
  case 0:
    return '-';
  case 1:
    return '0';
  case 2:
    return '1';
  case 3:
    return '2';
  case 4:
    return '3';
  case 5:
    return '4';
  case 6:
    return '5';
  case 7:
    return '6';
  case 8:
    return '7';
  case 9:
    return '8';
  case 10:
    return '9';
  }
  return '-';
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<cmp_uchar_gt>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x2(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
  movzbl -0x2(%rbp),%eax
  cmp    -0x1(%rbp),%al
  jbe    L26
  mov    $0xffffffff,%eax
  jmp    L1
L26:
  movzbl -0x2(%rbp),%eax
  cmp    -0x1(%rbp),%al
  jae    L31
  mov    $0x1,%eax
  jmp    L1
L31:
  mov    $0x0,%eax
L1:
  pop    %rbp
  ret
```

assistant: ```c
int cmp_uchar_gt(const void *a, const void *b) {
  unsigned char a_ = *(unsigned char *)a;
  unsigned char b_ = *(unsigned char *)b;
  if (a_ > b_)
    return -1;
  if (a_ < b_)
    return 1;
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<cmp_uchar_gt>:
  endbr64
  movzbl (%rdi),%ecx
  movzbl (%rsi),%edx
  mov    $0xffffffff,%eax
  cmp    %dl,%cl
  ja     L2
  setb   %al
  movzbl %al,%eax
L2:
  ret
```

assistant: ```c
int cmp_uchar_gt(const void *a, const void *b) {
  unsigned char a_ = *(unsigned char *)a;
  unsigned char b_ = *(unsigned char *)b;
  if (a_ > b_)
    return -1;
  if (a_ < b_)
    return 1;
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<cmp_uchar_gt>:
  endbr64
  movzbl (%rsi),%eax
  cmp    %al,(%rdi)
  mov    $0xffffffff,%edx
  setb   %al
  movzbl %al,%eax
  cmova  %edx,%eax
  ret
```

assistant: ```c
int cmp_uchar_gt(const void *a, const void *b) {
  unsigned char a_ = *(unsigned char *)a;
  unsigned char b_ = *(unsigned char *)b;
  if (a_ > b_)
    return -1;
  if (a_ < b_)
    return 1;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<cmp_uchar_gt>:
  endbr64
  movzbl (%rsi),%eax
  cmp    %al,(%rdi)
  mov    $0xffffffff,%edx
  setb   %al
  movzbl %al,%eax
  cmova  %edx,%eax
  ret
```

assistant: ```c
int cmp_uchar_gt(const void *a, const void *b) {
  unsigned char a_ = *(unsigned char *)a;
  unsigned char b_ = *(unsigned char *)b;
  if (a_ > b_)
    return -1;
  if (a_ < b_)
    return 1;
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<unpack_structure>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  movw   $0x2e28,-0x2b(%rbp)
  movb   $0x29,-0x29(%rbp)
  mov    -0x58(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x44(%rbp)
  mov    -0x58(%rbp),%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x44(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <space@plt>
  mov    %rax,-0x38(%rbp)
  movl   $0x0,-0x48(%rbp)
  mov    -0x48(%rbp),%eax
  mov    %eax,-0x4c(%rbp)
  jmp    L68
L39:
  mov    -0x4c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  lea    -0x1(%rax),%ebx
  mov    $0x4,%r13d
  jmp    L58
L44:
  movslq %ebx,%rax
  imul   $0x55555556,%rax,%rax
  shr    $0x20,%rax
  mov    %ebx,%edx
  sar    $0x1f,%edx
  mov    %eax,%r12d
  sub    %edx,%r12d
  mov    %r12d,%eax
  add    %eax,%eax
  add    %r12d,%eax
  mov    %ebx,%r12d
  sub    %eax,%r12d
  movslq %ebx,%rax
  imul   $0x55555556,%rax,%rax
  shr    $0x20,%rax
  sar    $0x1f,%ebx
  mov    %ebx,%edx
  sub    %edx,%eax
  mov    %eax,%ebx
  mov    -0x48(%rbp),%eax
  add    %r13d,%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rax,%rdx
  movslq %r12d,%rax
  movzbl -0x2b(%rbp,%rax,1),%eax
  mov    %al,(%rdx)
  sub    $0x1,%r13d
L58:
  test   %r13d,%r13d
  jns    L44
  addl   $0x5,-0x48(%rbp)
  addl   $0x1,-0x4c(%rbp)
L68:
  mov    -0x4c(%rbp),%eax
  cmp    -0x44(%rbp),%eax
  jl     L39
  mov    -0x48(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  jmp    L32
L50:
  mov    -0x48(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L32:
  mov    -0x48(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x28,%al
  je     L50
  mov    -0x38(%rbp),%rax
  mov    -0x28(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  add    $0x48,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
```

assistant: ```c
char *unpack_structure(const char *packed) {
  int i, j, l;
  char *struc;
  unsigned const char *pp;
  char code[3] = {'(', '.', ')'};
  l = (int)strlen(packed);
  pp = (const unsigned char *)packed;
  struc = (char *)space((l * 5 + 1) * sizeof(char));
  for (i = j = 0; i < l; i++) {
    register int p, c, k;
    p = (int)pp[i] - 1;
    for (k = 4; k >= 0; k--) {
      c = p % 3;
      p /= 3;
      struc[j + k] = code[c];
    }
    j += 5;
  }
  struc[j--] = '\0';
  while (struc[j] == '(')
    struc[j--] = '\0';
  return struc;
}
```