ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here?

```asm
<cstr_assignstrn>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %edx,%r12d
  call   <cstr_clear@plt>
  mov    $0x0,%esi
  test   %r12d,%r12d
  jns    L18
L19:
  mov    %rbp,%rdx
  mov    %rbx,%rdi
  call   <cstr_appendm@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L18:
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <strnlen@plt>
  mov    %eax,%esi
  jmp    L19
```

assistant: ```c
void cstr_assignstrn(struct cstr_t *dst, const char *src, int n) {
  ;
  cstr_clear(dst);
  int l = n < 0 ? 0 : strnlen(src, n);
  cstr_appendm(dst, l, src);
  { return; };
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<cstr_assignstrn>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  call   <cstr_clear@plt>
  xor    %esi,%esi
  test   %r13d,%r13d
  js     L5
  mov    %r13d,%esi
  mov    %r12,%rdi
  call   <strnlen@plt>
  mov    %eax,%esi
L5:
  mov    %r12,%rdx
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <cstr_appendm@plt>
```

assistant: ```c
void cstr_assignstrn(struct cstr_t *dst, const char *src, int n) {
  ;
  cstr_clear(dst);
  int l = n < 0 ? 0 : strnlen(src, n);
  cstr_appendm(dst, l, src);
  { return; };
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<cstr_assignstrn>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  call   <cstr_clear@plt>
  xor    %esi,%esi
  test   %r13d,%r13d
  js     L1
  mov    %r13d,%esi
  mov    %r12,%rdi
  call   <strnlen@plt>
  mov    %eax,%esi
L1:
  mov    %r12,%rdx
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <cstr_appendm@plt>
```

assistant: ```c
void cstr_assignstrn(struct cstr_t *dst, const char *src, int n) {
  ;
  cstr_clear(dst);
  int l = n < 0 ? 0 : strnlen(src, n);
  cstr_appendm(dst, l, src);
  { return; };
}
```
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    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x2,-0x20(%rbp)
  movl   $0x4,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x8,-0x14(%rbp)
  movl   $0x10,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x20080522,-0x4c(%rbp)
  mov    -0x4c(%rbp),%eax
  mov    %eax,-0x48(%rbp)
  movl   $0x0,-0x44(%rbp)
  lea    -0x40(%rbp),%rdx
  lea    -0x48(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <capget@plt>
  test   %rax,%rax
  jne    L36
  mov    -0x48(%rbp),%eax
  cmp    %eax,-0x4c(%rbp)
  jne    L36
  lea    -0x20(%rbp),%rdx
  lea    -0x48(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <capset@plt>
  test   %rax,%rax
  je     L36
  mov    D12(%rip),%rax
  mov    (%rax),%rdx
  mov    D10(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  je     L16
L36:
  mov    $0x4d,%eax
  jmp    L45
L16:
  mov    $0x0,%eax
L45:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L59
  call   <__stack_chk_fail@plt>
L59:
  leave
  ret
```

assistant: ```c
int main(void) {
  int unused[6];
  const int data[] = {2, 4, 0, 8, 16, 0};
  const int v3 = 0x20080522;
  int head[] = {v3, 0};
  if (capget(head, unused) || head[0] != v3 || capset(head, data) == 0 || errno != EPERM)
    return 77;
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<main>:
  endbr64
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  movl   $0x2,0x30(%rsp)
  movl   $0x4,0x34(%rsp)
  movl   $0x0,0x38(%rsp)
  movl   $0x8,0x3c(%rsp)
  movl   $0x10,0x40(%rsp)
  movl   $0x0,0x44(%rsp)
  movl   $0x20080522,0x8(%rsp)
  movl   $0x0,0xc(%rsp)
  lea    0x10(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  call   <capget@plt>
  mov    %rax,%rdx
  mov    $0x4d,%eax
  test   %rdx,%rdx
  jne    L7
  cmpl   $0x20080522,0x8(%rsp)
  je     L38
L7:
  mov    0x48(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L21
  add    $0x58,%rsp
  ret
L38:
  lea    0x30(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  call   <capset@plt>
  test   %rax,%rax
  je     L56
  mov    D0(%rip),%rdx
  mov    D13(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  mov    $0x0,%eax
  mov    $0x4d,%edx
  cmovne %edx,%eax
  jmp    L7
L56:
  mov    $0x4d,%eax
  jmp    L7
L21:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  int unused[6];
  const int data[] = {2, 4, 0, 8, 16, 0};
  const int v3 = 0x20080522;
  int head[] = {v3, 0};
  if (capget(head, unused) || head[0] != v3 || capset(head, data) == 0 || errno != EPERM)
    return 77;
  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
  push   %rbp
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  movabs $0x400000002,%rax
  lea    0x8(%rsp),%rbp
  lea    0x10(%rsp),%rsi
  movq   $0x10,0x40(%rsp)
  movq   $0x20080522,0x8(%rsp)
  mov    %rbp,%rdi
  mov    %rax,0x30(%rsp)
  movabs $0x800000000,%rax
  mov    %rax,0x38(%rsp)
  call   <capget@plt>
  test   %rax,%rax
  jne    L41
  cmpl   $0x20080522,0x8(%rsp)
  je     L27
L41:
  mov    $0x4d,%eax
L0:
  mov    0x48(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L31
  add    $0x50,%rsp
  pop    %rbp
  ret
L27:
  lea    0x30(%rsp),%rsi
  mov    %rbp,%rdi
  call   <capset@plt>
  test   %rax,%rax
  je     L41
  mov    D6(%rip),%rdx
  mov    D3(%rip),%rcx
  xor    %eax,%eax
  mov    (%rdx),%rdi
  cmp    %rdi,(%rcx)
  je     L0
  jmp    L41
L31:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  int unused[6];
  const int data[] = {2, 4, 0, 8, 16, 0};
  const int v3 = 0x20080522;
  int head[] = {v3, 0};
  if (capget(head, unused) || head[0] != v3 || capset(head, data) == 0 || errno != EPERM)
    return 77;
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_set_errno>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L3
  mov    -0x4(%rbp),%eax
  neg    %eax
  mov    %eax,%edx
  mov    D8(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L8
L3:
  mov    -0x4(%rbp),%eax
L8:
  pop    %rbp
  ret
```

assistant: ```c
int _set_errno(int n) {
  if (n < 0) {
    errno = -n;
    return -1;
  }
  return n;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<_set_errno>:
  endbr64
  mov    %edi,%eax
  test   %edi,%edi
  js     L8
L6:
  ret
L8:
  neg    %eax
  mov    D0(%rip),%rdx
  mov    %eax,(%rdx)
  mov    $0xffffffff,%eax
  jmp    L6
```

assistant: ```c
int _set_errno(int n) {
  if (n < 0) {
    errno = -n;
    return -1;
  }
  return n;
}
```
user: What is the c source code of the assembly code below?

```asm
<_set_errno>:
  endbr64
  mov    %edi,%eax
  test   %edi,%edi
  js     L6
  ret
L6:
  mov    D4(%rip),%rdx
  neg    %eax
  mov    %eax,(%rdx)
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _set_errno(int n) {
  if (n < 0) {
    errno = -n;
    return -1;
  }
  return n;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<_set_errno>:
  endbr64
  mov    %edi,%eax
  test   %edi,%edi
  js     L6
  ret
L6:
  mov    D8(%rip),%rdx
  neg    %eax
  mov    %eax,(%rdx)
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _set_errno(int n) {
  if (n < 0) {
    errno = -n;
    return -1;
  }
  return n;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fiat_25519_opp>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    $0x7ffffda,%edi
  call   <UINT32_C@plt>
  sub    0x0(%rbp),%rax
  mov    %rax,%r15
  mov    $0x3fffffe,%edi
  call   <UINT32_C@plt>
  sub    0x8(%rbp),%rax
  mov    %rax,%r14
  mov    $0x7fffffe,%edi
  call   <UINT32_C@plt>
  sub    0x10(%rbp),%rax
  mov    %rax,%r13
  mov    $0x3fffffe,%edi
  call   <UINT32_C@plt>
  sub    0x18(%rbp),%rax
  mov    %rax,%r12
  mov    $0x7fffffe,%edi
  call   <UINT32_C@plt>
  sub    0x20(%rbp),%rax
  mov    %rax,0x8(%rsp)
  mov    $0x3fffffe,%edi
  call   <UINT32_C@plt>
  sub    0x28(%rbp),%rax
  mov    %rax,0x10(%rsp)
  mov    $0x7fffffe,%edi
  call   <UINT32_C@plt>
  mov    %rax,%rsi
  sub    0x30(%rbp),%rsi
  mov    %rsi,0x18(%rsp)
  mov    $0x3fffffe,%edi
  call   <UINT32_C@plt>
  mov    %rax,%rdi
  sub    0x38(%rbp),%rdi
  mov    %rdi,0x20(%rsp)
  mov    $0x7fffffe,%edi
  call   <UINT32_C@plt>
  mov    %rax,%r8
  sub    0x40(%rbp),%r8
  mov    %r8,0x28(%rsp)
  mov    $0x3fffffe,%edi
  call   <UINT32_C@plt>
  sub    0x48(%rbp),%rax
  mov    %r15,(%rbx)
  mov    %r14,0x8(%rbx)
  mov    %r13,0x10(%rbx)
  mov    %r12,0x18(%rbx)
  mov    0x8(%rsp),%rdx
  mov    %rdx,0x20(%rbx)
  mov    0x10(%rsp),%rcx
  mov    %rcx,0x28(%rbx)
  mov    0x18(%rsp),%rsi
  mov    %rsi,0x30(%rbx)
  mov    0x20(%rsp),%rdi
  mov    %rdi,0x38(%rbx)
  mov    0x28(%rsp),%r8
  mov    %r8,0x40(%rbx)
  mov    %rax,0x48(%rbx)
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void fiat_25519_opp(uint32_t out1[10], const uint32_t arg1[10]) {
  uint32_t x1 = (UINT32_C(0x7ffffda) - (arg1[0]));
  uint32_t x2 = (UINT32_C(0x3fffffe) - (arg1[1]));
  uint32_t x3 = (UINT32_C(0x7fffffe) - (arg1[2]));
  uint32_t x4 = (UINT32_C(0x3fffffe) - (arg1[3]));
  uint32_t x5 = (UINT32_C(0x7fffffe) - (arg1[4]));
  uint32_t x6 = (UINT32_C(0x3fffffe) - (arg1[5]));
  uint32_t x7 = (UINT32_C(0x7fffffe) - (arg1[6]));
  uint32_t x8 = (UINT32_C(0x3fffffe) - (arg1[7]));
  uint32_t x9 = (UINT32_C(0x7fffffe) - (arg1[8]));
  uint32_t x10 = (UINT32_C(0x3fffffe) - (arg1[9]));
  out1[0] = x1;
  out1[1] = x2;
  out1[2] = x3;
  out1[3] = x4;
  out1[4] = x5;
  out1[5] = x6;
  out1[6] = x7;
  out1[7] = x8;
  out1[8] = x9;
  out1[9] = x10;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fiat_25519_opp>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x7ffffda,%edi
  sub    $0x38,%rsp
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x0(%rbp),%rax
  mov    %rax,0x28(%rsp)
  call   <UINT32_C@plt>
  mov    $0x7fffffe,%edi
  sub    0x8(%rbp),%rax
  mov    %rax,0x20(%rsp)
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x10(%rbp),%rax
  mov    %rax,0x18(%rsp)
  call   <UINT32_C@plt>
  mov    $0x7fffffe,%edi
  sub    0x18(%rbp),%rax
  mov    %rax,0x10(%rsp)
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x20(%rbp),%rax
  mov    %rax,0x8(%rsp)
  call   <UINT32_C@plt>
  mov    $0x7fffffe,%edi
  sub    0x28(%rbp),%rax
  mov    %rax,%r15
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x30(%rbp),%rax
  mov    %rax,%r14
  call   <UINT32_C@plt>
  mov    $0x7fffffe,%edi
  sub    0x38(%rbp),%rax
  mov    %rax,%r13
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x40(%rbp),%rax
  mov    %rax,%r12
  call   <UINT32_C@plt>
  mov    0x28(%rsp),%r9
  mov    0x20(%rsp),%r8
  mov    0x18(%rsp),%rsi
  mov    0x10(%rsp),%rcx
  mov    0x8(%rsp),%rdx
  sub    0x48(%rbp),%rax
  mov    %r15,0x28(%rbx)
  mov    %r14,0x30(%rbx)
  mov    %r13,0x38(%rbx)
  mov    %r12,0x40(%rbx)
  mov    %r9,(%rbx)
  mov    %r8,0x8(%rbx)
  mov    %rsi,0x10(%rbx)
  mov    %rcx,0x18(%rbx)
  mov    %rdx,0x20(%rbx)
  mov    %rax,0x48(%rbx)
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void fiat_25519_opp(uint32_t out1[10], const uint32_t arg1[10]) {
  uint32_t x1 = (UINT32_C(0x7ffffda) - (arg1[0]));
  uint32_t x2 = (UINT32_C(0x3fffffe) - (arg1[1]));
  uint32_t x3 = (UINT32_C(0x7fffffe) - (arg1[2]));
  uint32_t x4 = (UINT32_C(0x3fffffe) - (arg1[3]));
  uint32_t x5 = (UINT32_C(0x7fffffe) - (arg1[4]));
  uint32_t x6 = (UINT32_C(0x3fffffe) - (arg1[5]));
  uint32_t x7 = (UINT32_C(0x7fffffe) - (arg1[6]));
  uint32_t x8 = (UINT32_C(0x3fffffe) - (arg1[7]));
  uint32_t x9 = (UINT32_C(0x7fffffe) - (arg1[8]));
  uint32_t x10 = (UINT32_C(0x3fffffe) - (arg1[9]));
  out1[0] = x1;
  out1[1] = x2;
  out1[2] = x3;
  out1[3] = x4;
  out1[4] = x5;
  out1[5] = x6;
  out1[6] = x7;
  out1[7] = x8;
  out1[8] = x9;
  out1[9] = x10;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<fiat_25519_opp>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    $0x7ffffda,%edi
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x40,%rsp
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    (%rbx),%rax
  mov    %rax,%r12
  call   <UINT32_C@plt>
  sub    0x8(%rbx),%rax
  movq   %r12,%xmm4
  mov    $0x7fffffe,%edi
  movq   %rax,%xmm5
  punpcklqdq %xmm5,%xmm4
  movaps %xmm4,0x30(%rsp)
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x10(%rbx),%rax
  mov    %rax,%r12
  call   <UINT32_C@plt>
  sub    0x18(%rbx),%rax
  movq   %r12,%xmm3
  mov    $0x7fffffe,%edi
  movq   %rax,%xmm6
  punpcklqdq %xmm6,%xmm3
  movaps %xmm3,0x20(%rsp)
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x20(%rbx),%rax
  mov    %rax,%r12
  call   <UINT32_C@plt>
  sub    0x28(%rbx),%rax
  movq   %r12,%xmm2
  mov    $0x7fffffe,%edi
  movq   %rax,%xmm7
  punpcklqdq %xmm7,%xmm2
  movaps %xmm2,0x10(%rsp)
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x30(%rbx),%rax
  mov    %rax,%r12
  call   <UINT32_C@plt>
  sub    0x38(%rbx),%rax
  movq   %r12,%xmm1
  mov    $0x7fffffe,%edi
  movq   %rax,%xmm5
  punpcklqdq %xmm5,%xmm1
  movaps %xmm1,(%rsp)
  call   <UINT32_C@plt>
  mov    $0x3fffffe,%edi
  sub    0x40(%rbx),%rax
  mov    %rax,%r12
  call   <UINT32_C@plt>
  sub    0x48(%rbx),%rax
  movdqa (%rsp),%xmm1
  movq   %r12,%xmm0
  movdqa 0x30(%rsp),%xmm4
  movdqa 0x20(%rsp),%xmm3
  movq   %rax,%xmm6
  movdqa 0x10(%rsp),%xmm2
  punpcklqdq %xmm6,%xmm0
  movups %xmm1,0x30(%rbp)
  movups %xmm4,0x0(%rbp)
  movups %xmm3,0x10(%rbp)
  movups %xmm2,0x20(%rbp)
  movups %xmm0,0x40(%rbp)
  add    $0x40,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void fiat_25519_opp(uint32_t out1[10], const uint32_t arg1[10]) {
  uint32_t x1 = (UINT32_C(0x7ffffda) - (arg1[0]));
  uint32_t x2 = (UINT32_C(0x3fffffe) - (arg1[1]));
  uint32_t x3 = (UINT32_C(0x7fffffe) - (arg1[2]));
  uint32_t x4 = (UINT32_C(0x3fffffe) - (arg1[3]));
  uint32_t x5 = (UINT32_C(0x7fffffe) - (arg1[4]));
  uint32_t x6 = (UINT32_C(0x3fffffe) - (arg1[5]));
  uint32_t x7 = (UINT32_C(0x7fffffe) - (arg1[6]));
  uint32_t x8 = (UINT32_C(0x3fffffe) - (arg1[7]));
  uint32_t x9 = (UINT32_C(0x7fffffe) - (arg1[8]));
  uint32_t x10 = (UINT32_C(0x3fffffe) - (arg1[9]));
  out1[0] = x1;
  out1[1] = x2;
  out1[2] = x3;
  out1[3] = x4;
  out1[4] = x5;
  out1[5] = x6;
  out1[6] = x7;
  out1[7] = x8;
  out1[8] = x9;
  out1[9] = x10;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<setMotorRightVal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    -0x14(%rbp),%edx
  mov    -0x18(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int setMotorRightVal(int dataProcessed, int joyValue) {
  int motorValue = dataProcessed + joyValue;
  return motorValue;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<setMotorRightVal>:
  endbr64
  lea    (%rdi,%rsi,1),%eax
  ret
```

assistant: ```c
int setMotorRightVal(int dataProcessed, int joyValue) {
  int motorValue = dataProcessed + joyValue;
  return motorValue;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<setMotorRightVal>:
  endbr64
  lea    (%rdi,%rsi,1),%eax
  ret
```

assistant: ```c
int setMotorRightVal(int dataProcessed, int joyValue) {
  int motorValue = dataProcessed + joyValue;
  return motorValue;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<setMotorRightVal>:
  endbr64
  lea    (%rdi,%rsi,1),%eax
  ret
```

assistant: ```c
int setMotorRightVal(int dataProcessed, int joyValue) {
  int motorValue = dataProcessed + joyValue;
  return motorValue;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ft_strncmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L39
  cmpq   $0x0,-0x20(%rbp)
  je     L39
  jmp    L21
L54:
  addq   $0x1,-0x18(%rbp)
  addq   $0x1,-0x20(%rbp)
  addl   $0x1,-0x4(%rbp)
L21:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L6
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L6
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L6
  mov    -0x28(%rbp),%rax
  sub    $0x1,%eax
  cmp    %eax,-0x4(%rbp)
  jl     L54
L6:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  jmp    L63
L39:
  mov    $0xffffffff,%eax
L63:
  pop    %rbp
  ret
```

assistant: ```c
int ft_strncmp(const char *str, const char *str2, size_t n) {
  int i;
  i = 0;
  if (str && str2) {
    while (*str != '\0' && *str2 != '\0' && *str == *str2 && i < ((int)n - 1)) {
      str++;
      str2++;
      i++;
    }
    return (*str - *str2);
  } else
    return (-1);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ft_strncmp>:
  endbr64
  test   %rdi,%rdi
  je     L39
  test   %rsi,%rsi
  je     L39
  movzbl (%rdi),%eax
  mov    $0x0,%r8d
  sub    $0x1,%edx
  test   %al,%al
  je     L42
L1:
  movzbl (%rsi),%ecx
  cmp    %al,%cl
  jne    L42
  test   %cl,%cl
  je     L42
  cmp    %r8d,%edx
  jle    L42
  add    $0x1,%rdi
  add    $0x1,%rsi
  add    $0x1,%r8d
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L1
L42:
  movsbl %al,%eax
  movsbl (%rsi),%edx
  sub    %edx,%eax
  ret
L39:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int ft_strncmp(const char *str, const char *str2, size_t n) {
  int i;
  i = 0;
  if (str && str2) {
    while (*str != '\0' && *str2 != '\0' && *str == *str2 && i < ((int)n - 1)) {
      str++;
      str2++;
      i++;
    }
    return (*str - *str2);
  } else
    return (-1);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<ft_strncmp>:
  endbr64
  test   %rdi,%rdi
  je     L32
  test   %rsi,%rsi
  je     L32
  movsbl (%rdi),%eax
  xor    %ecx,%ecx
  sub    $0x1,%edx
  test   %al,%al
  jne    L88
  jmp    L57
  nopl   0x0(%rax)
L80:
  test   %r8b,%r8b
  je     L49
  cmp    %ecx,%edx
  jle    L49
  add    $0x1,%rcx
  lea    0x1(%rsi),%r8
  movsbl (%rdi,%rcx,1),%eax
  test   %al,%al
  je     L45
  mov    %r8,%rsi
L88:
  movsbl (%rsi),%r8d
  cmp    %al,%r8b
  je     L80
L49:
  sub    %r8d,%eax
  ret
  nopl   0x0(%rax)
L45:
  movsbl 0x1(%rsi),%r8d
  xor    %eax,%eax
  sub    %r8d,%eax
  ret
L57:
  movsbl (%rsi),%r8d
  xor    %eax,%eax
  jmp    L49
L32:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int ft_strncmp(const char *str, const char *str2, size_t n) {
  int i;
  i = 0;
  if (str && str2) {
    while (*str != '\0' && *str2 != '\0' && *str == *str2 && i < ((int)n - 1)) {
      str++;
      str2++;
      i++;
    }
    return (*str - *str2);
  } else
    return (-1);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<ft_strncmp>:
  endbr64
  test   %rdi,%rdi
  je     L21
  test   %rsi,%rsi
  je     L21
  movsbl (%rdi),%eax
  xor    %ecx,%ecx
  sub    $0x1,%edx
  test   %al,%al
  jne    L71
  jmp    L79
  nopl   0x0(%rax)
L35:
  test   %r8b,%r8b
  je     L51
  cmp    %ecx,%edx
  jle    L51
  add    $0x1,%rcx
  lea    0x1(%rsi),%r8
  movsbl (%rdi,%rcx,1),%eax
  test   %al,%al
  je     L64
  mov    %r8,%rsi
L71:
  movsbl (%rsi),%r8d
  cmp    %al,%r8b
  je     L35
L51:
  sub    %r8d,%eax
  ret
  nopl   0x0(%rax)
L64:
  movsbl 0x1(%rsi),%r8d
  xor    %eax,%eax
  sub    %r8d,%eax
  ret
L79:
  movsbl (%rsi),%r8d
  xor    %eax,%eax
  jmp    L51
L21:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int ft_strncmp(const char *str, const char *str2, size_t n) {
  int i;
  i = 0;
  if (str && str2) {
    while (*str != '\0' && *str2 != '\0' && *str == *str2 && i < ((int)n - 1)) {
      str++;
      str2++;
      i++;
    }
    return (*str - *str2);
  } else
    return (-1);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<proper_divisors_sum_test>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x1,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x1,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x2,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x1,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x9,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x4,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0xfffffff7,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x4,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void proper_divisors_sum_test(void) {
  assert(proper_divisors_sum(1) == 1);
  assert(proper_divisors_sum(2) == 1);
  assert(proper_divisors_sum(9) == 4);
  assert(proper_divisors_sum(-9) == 4);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<proper_divisors_sum_test>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x1,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x2,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x1,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0x9,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    $0xfffffff7,%edi
  call   <proper_divisors_sum@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void proper_divisors_sum_test(void) {
  assert(proper_divisors_sum(1) == 1);
  assert(proper_divisors_sum(2) == 1);
  assert(proper_divisors_sum(9) == 4);
  assert(proper_divisors_sum(-9) == 4);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<proper_divisors_sum_test>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x1,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x2,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x1,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x9,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x4,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0xfffffff7,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x4,%eax
  sete   %dil
  add    $0x8,%rsp
  jmp    1060 <assert@plt>
```

assistant: ```c
void proper_divisors_sum_test(void) {
  assert(proper_divisors_sum(1) == 1);
  assert(proper_divisors_sum(2) == 1);
  assert(proper_divisors_sum(9) == 4);
  assert(proper_divisors_sum(-9) == 4);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<proper_divisors_sum_test>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x1,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x2,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x1,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0x9,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x4,%eax
  sete   %dil
  call   <assert@plt>
  mov    $0xfffffff7,%edi
  call   <proper_divisors_sum@plt>
  xor    %edi,%edi
  cmp    $0x4,%eax
  sete   %dil
  add    $0x8,%rsp
  jmp    1060 <assert@plt>
```

assistant: ```c
void proper_divisors_sum_test(void) {
  assert(proper_divisors_sum(1) == 1);
  assert(proper_divisors_sum(2) == 1);
  assert(proper_divisors_sum(9) == 4);
  assert(proper_divisors_sum(-9) == 4);
}
```