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
<write_line>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  push   %rbx
  test   %edx,%edx
  jle    L34
  mov    %edi,%ebp
  mov    %rsi,%r13
  mov    %edx,%ebx
  movslq %edx,%r14
  nopl   (%rax)
L5:
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <write@plt>
  cmp    $0xffffffff,%eax
  je     L42
  sub    %eax,%ebx
  cltq
  add    %rax,%r13
  test   %ebx,%ebx
  jle    L34
  movslq %ebx,%r14
  jmp    L5
  nopw   0x0(%rax,%rax,1)
L42:
  mov    D2(%rip),%rdx
  mov    D16(%rip),%rcx
  mov    (%rdx),%rsi
  cmp    %rsi,(%rcx)
  je     L5
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L34:
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int write_line(int sock, char buffer[], int len) {
  int left = len;
  while (left > 0) {
    ssize_t n = write(sock, buffer, (size_t)left);
    if (n == -1)
      if (errno == EINTR)
        continue;
      else
        return -1;
    left -= n;
    buffer += n;
  }
  return len;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<write_line>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  push   %rbx
  test   %edx,%edx
  jle    L47
  mov    %edi,%ebp
  mov    %rsi,%r13
  mov    %edx,%ebx
  movslq %edx,%r14
  nopl   (%rax)
L30:
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <write@plt>
  cmp    $0xffffffff,%eax
  je     L14
  sub    %eax,%ebx
  cltq
  add    %rax,%r13
  test   %ebx,%ebx
  jle    L47
  movslq %ebx,%r14
  jmp    L30
  nopw   0x0(%rax,%rax,1)
L14:
  mov    D11(%rip),%rdx
  mov    D17(%rip),%rcx
  mov    (%rdx),%rsi
  cmp    %rsi,(%rcx)
  je     L30
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L47:
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int write_line(int sock, char buffer[], int len) {
  int left = len;
  while (left > 0) {
    ssize_t n = write(sock, buffer, (size_t)left);
    if (n == -1)
      if (errno == EINTR)
        continue;
      else
        return -1;
    left -= n;
    buffer += n;
  }
  return len;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0xffffffff,-0x4(%rbp)
  je     L12
  mov    -0x4(%rbp),%eax
  jmp    L14
L12:
  mov    $0xffffffff,%eax
L14:
  leave
  ret
```

assistant: ```c
int fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(const char *text) {
  int pos = 0;
  pos = fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(text);
  if (pos != -1)
    return pos;
  return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110>:
  endbr64
  sub    $0x8,%rsp
  call   <fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
int fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(const char *text) {
  int pos = 0;
  pos = fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(text);
  if (pos != -1)
    return pos;
  return -1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110>:
  endbr64
  jmp    1050 <fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110@plt>
```

assistant: ```c
int fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(const char *text) {
  int pos = 0;
  pos = fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(text);
  if (pos != -1)
    return pos;
  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
<fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110>:
  endbr64
  jmp    1050 <fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110@plt>
```

assistant: ```c
int fn_al_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(const char *text) {
  int pos = 0;
  pos = fn_sq_ch_65_ch_110_ch_110_ch_111_ch_116_ch_97_ch_116_ch_105_ch_111_ch_110_ch_80_ch_114_ch_111_ch_112_ch_101_ch_114_ch_116_ch_121_ch_68_ch_111_ch_109_ch_97_ch_105_ch_110(text);
  if (pos != -1)
    return pos;
  return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_update_sparse_speedtest>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  mov    %r9,-0x50(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x3,-0x14(%rbp)
  mov    -0x18(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    0x10(%rbp),%esi
  mov    %rax,%rdi
  call   <_sum_row@plt>
  movq   %xmm0,%rax
  mov    -0x18(%rbp),%edx
  mov    %edx,%ecx
  imul   0x10(%rbp),%ecx
  mov    -0x14(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movsd  (%rdx),%xmm1
  movq   %rax,%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x14(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    0x10(%rbp),%esi
  mov    %rax,%rdi
  call   <_sum_row@plt>
  movq   %xmm0,%rax
  mov    -0x14(%rbp),%edx
  mov    %edx,%ecx
  imul   0x10(%rbp),%ecx
  mov    -0x18(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x38(%rbp),%rdx
  add    %rcx,%rdx
  movsd  (%rdx),%xmm1
  movq   %rax,%xmm0
  subsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movl   $0x0,-0x20(%rbp)
  jmp    L9
L7:
  movl   $0x0,-0x1c(%rbp)
  jmp    L8
L34:
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm4
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm3
  mov    -0x18(%rbp),%eax
  imul   0x10(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x14(%rbp),%eax
  imul   0x10(%rbp),%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  movapd %xmm1,%xmm2
  addsd  %xmm0,%xmm2
  mov    -0x18(%rbp),%eax
  imul   0x10(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  movsd  -0x8(%rbp),%xmm1
  movsd  -0x10(%rbp),%xmm0
  mov    $0x1,%edi
  movapd %xmm4,%xmm5
  movapd %xmm3,%xmm4
  movapd %xmm2,%xmm3
  movapd %xmm1,%xmm2
  movapd %xmm0,%xmm1
  movq   %rax,%xmm0
  call   <_update_step@plt>
  addl   $0x1,-0x1c(%rbp)
L8:
  mov    -0x1c(%rbp),%eax
  cmp    0x18(%rbp),%eax
  jl     L34
  addl   $0x1,-0x20(%rbp)
L9:
  mov    -0x20(%rbp),%eax
  cmp    0x20(%rbp),%eax
  jl     L7
  nop
  nop
  leave
  ret
```

assistant: ```c
void _update_sparse_speedtest(double *C, double *sumC, double *X, double *sumX, int *I, int *J, int n, int n_idx, int n_step) {
  int iter;
  int k;
  int i = 0;
  int j = 3;
  double tmp1 = _sum_row(X, n, i) - X[i * n + j];
  double tmp2 = _sum_row(X, n, j) - X[j * n + i];
  for (iter = 0; iter < n_step; iter++) {
    for (k = 0; k < n_idx; k++) {
      _update_step(X[i * n + j], tmp1, tmp2, C[i * n + j] + C[j * n + i], sumC[i], sumC[j], 1);
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_update_sparse_speedtest>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbp
  mov    %rdx,%r14
  mov    0x60(%rsp),%ebx
  mov    0x68(%rsp),%r13d
  mov    $0x0,%edx
  mov    %ebx,%esi
  mov    %r14,%rdi
  call   <_sum_row@plt>
  subsd  0x18(%r14),%xmm0
  movsd  %xmm0,0x8(%rsp)
  mov    $0x3,%edx
  mov    %ebx,%esi
  mov    %r14,%rdi
  call   <_sum_row@plt>
  lea    (%rbx,%rbx,2),%eax
  cltq
  lea    0x0(,%rax,8),%r15
  subsd  (%r14,%rax,8),%xmm0
  movsd  %xmm0,0x10(%rsp)
  movl   $0x0,0x1c(%rsp)
  cmpl   $0x0,0x70(%rsp)
  jg     L8
L4:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L43:
  movsd  (%r12,%r15,1),%xmm3
  movsd  0x18(%r14),%xmm0
  mov    $0x1,%edi
  movsd  0x18(%rbp),%xmm5
  movsd  0x0(%rbp),%xmm4
  addsd  0x18(%r12),%xmm3
  movsd  0x10(%rsp),%xmm2
  movsd  0x8(%rsp),%xmm1
  call   <_update_step@plt>
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L43
L16:
  addl   $0x1,0x1c(%rsp)
  mov    0x1c(%rsp),%eax
  cmp    %eax,0x70(%rsp)
  je     L4
L8:
  mov    $0x0,%ebx
  test   %r13d,%r13d
  jg     L43
  jmp    L16
```

assistant: ```c
void _update_sparse_speedtest(double *C, double *sumC, double *X, double *sumX, int *I, int *J, int n, int n_idx, int n_step) {
  int iter;
  int k;
  int i = 0;
  int j = 3;
  double tmp1 = _sum_row(X, n, i) - X[i * n + j];
  double tmp2 = _sum_row(X, n, j) - X[j * n + i];
  for (iter = 0; iter < n_step; iter++) {
    for (k = 0; k < n_idx; k++) {
      _update_step(X[i * n + j], tmp1, tmp2, C[i * n + j] + C[j * n + i], sumC[i], sumC[j], 1);
    }
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<_update_sparse_speedtest>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %rdx,%r13
  xor    %edx,%edx
  push   %r12
  mov    %r13,%rdi
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x28,%rsp
  mov    0x60(%rsp),%r12d
  mov    0x68(%rsp),%ebp
  mov    %r12d,%esi
  call   <_sum_row@plt>
  mov    %r12d,%esi
  mov    $0x3,%edx
  mov    %r13,%rdi
  subsd  0x18(%r13),%xmm0
  movsd  %xmm0,0x8(%rsp)
  call   <_sum_row@plt>
  lea    (%r12,%r12,2),%eax
  movl   $0x0,0x1c(%rsp)
  movsd  0x8(%rsp),%xmm1
  cltq
  subsd  0x0(%r13,%rax,8),%xmm0
  lea    0x0(,%rax,8),%r12
  mov    0x70(%rsp),%eax
  add    %r14,%r12
  test   %eax,%eax
  movapd %xmm0,%xmm2
  jle    L6
  nop
L10:
  xor    %r15d,%r15d
  test   %ebp,%ebp
  jle    L16
  nopw   0x0(%rax,%rax,1)
L3:
  movsd  0x18(%r14),%xmm3
  addsd  (%r12),%xmm3
  mov    $0x1,%edi
  add    $0x1,%r15d
  movsd  0x18(%r13),%xmm0
  movsd  (%rbx),%xmm4
  movsd  %xmm2,0x10(%rsp)
  movsd  0x18(%rbx),%xmm5
  movsd  %xmm1,0x8(%rsp)
  call   <_update_step@plt>
  cmp    %r15d,%ebp
  movsd  0x8(%rsp),%xmm1
  movsd  0x10(%rsp),%xmm2
  jne    L3
L16:
  addl   $0x1,0x1c(%rsp)
  mov    0x1c(%rsp),%eax
  cmp    %eax,0x70(%rsp)
  jne    L10
L6:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void _update_sparse_speedtest(double *C, double *sumC, double *X, double *sumX, int *I, int *J, int n, int n_idx, int n_step) {
  int iter;
  int k;
  int i = 0;
  int j = 3;
  double tmp1 = _sum_row(X, n, i) - X[i * n + j];
  double tmp2 = _sum_row(X, n, j) - X[j * n + i];
  for (iter = 0; iter < n_step; iter++) {
    for (k = 0; k < n_idx; k++) {
      _update_step(X[i * n + j], tmp1, tmp2, C[i * n + j] + C[j * n + i], sumC[i], sumC[j], 1);
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_update_sparse_speedtest>:
  endbr64
  push   %r15
  mov    %rdx,%r15
  xor    %edx,%edx
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %r15,%rdi
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x28,%rsp
  mov    0x60(%rsp),%r13d
  mov    0x68(%rsp),%r12d
  mov    %r13d,%esi
  call   <_sum_row@plt>
  mov    $0x3,%edx
  mov    %r13d,%esi
  mov    %r15,%rdi
  subsd  0x18(%r15),%xmm0
  movsd  %xmm0,0x8(%rsp)
  call   <_sum_row@plt>
  lea    0x0(%r13,%r13,2),%eax
  mov    0x70(%rsp),%edx
  cltq
  subsd  (%r15,%rax,8),%xmm0
  test   %edx,%edx
  jle    L14
  lea    0x0(,%rax,8),%rdx
  test   %r12d,%r12d
  movsd  0x8(%rsp),%xmm1
  movl   $0x0,0x1c(%rsp)
  movapd %xmm0,%xmm2
  lea    0x0(%rbp,%rdx,1),%r13
  jle    L14
  nopl   0x0(%rax,%rax,1)
L34:
  xor    %r14d,%r14d
  nopl   0x0(%rax,%rax,1)
L27:
  movsd  0x18(%rbp),%xmm3
  addsd  0x0(%r13),%xmm3
  mov    $0x1,%edi
  add    $0x1,%r14d
  movsd  0x18(%r15),%xmm0
  movsd  (%rbx),%xmm4
  movsd  %xmm2,0x10(%rsp)
  movsd  0x18(%rbx),%xmm5
  movsd  %xmm1,0x8(%rsp)
  call   <_update_step@plt>
  cmp    %r14d,%r12d
  movsd  0x8(%rsp),%xmm1
  movsd  0x10(%rsp),%xmm2
  jne    L27
  addl   $0x1,0x1c(%rsp)
  mov    0x1c(%rsp),%eax
  cmp    %eax,0x70(%rsp)
  jne    L34
L14:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void _update_sparse_speedtest(double *C, double *sumC, double *X, double *sumX, int *I, int *J, int n, int n_idx, int n_step) {
  int iter;
  int k;
  int i = 0;
  int j = 3;
  double tmp1 = _sum_row(X, n, i) - X[i * n + j];
  double tmp2 = _sum_row(X, n, j) - X[j * n + i];
  for (iter = 0; iter < n_step; iter++) {
    for (k = 0; k < n_idx; k++) {
      _update_step(X[i * n + j], tmp1, tmp2, C[i * n + j] + C[j * n + i], sumC[i], sumC[j], 1);
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strdup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L10
  mov    $0x0,%eax
  jmp    L6
L10:
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x8(%rbp),%rax
L6:
  leave
  ret
```

assistant: ```c
char *strdup(s)
char *s;
{
  char *result = (char *)malloc(strlen(s) + 1);
  if (result == (char *)0)
    return (char *)0;
  strcpy(result, s);
  return result;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<strdup>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L0
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L0:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *strdup(s)
char *s;
{
  char *result = (char *)malloc(strlen(s) + 1);
  if (result == (char *)0)
    return (char *)0;
  strcpy(result, s);
  return result;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<strdup>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  lea    0x1(%rax),%r12
  mov    %r12,%rdi
  call   <malloc@plt>
  mov    %rax,%r8
  test   %rax,%rax
  je     L9
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    %rax,%r8
L9:
  add    $0x8,%rsp
  mov    %r8,%rax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *strdup(s)
char *s;
{
  char *result = (char *)malloc(strlen(s) + 1);
  if (result == (char *)0)
    return (char *)0;
  strcpy(result, s);
  return result;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strdup>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  lea    0x1(%rax),%r12
  mov    %r12,%rdi
  call   <malloc@plt>
  mov    %rax,%r8
  test   %rax,%rax
  je     L0
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    %rax,%r8
L0:
  add    $0x8,%rsp
  mov    %r8,%rax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *strdup(s)
char *s;
{
  char *result = (char *)malloc(strlen(s) + 1);
  if (result == (char *)0)
    return (char *)0;
  strcpy(result, s);
  return result;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<conv_alg2>:
  endbr64
  test   %ecx,%ecx
  jle    L17
  push   %rbp
  push   %rbx
  mov    %esi,%r10d
  mov    %rdx,%r9
  mov    %r8,%rsi
  sub    $0x1,%ecx
  and    $0xfffffffc,%ecx
  lea    0x7(%rcx),%r8d
  mov    $0x3,%ecx
  lea    -0x1(%r10),%ebx
  lea    0x4(%rdi),%r11
  jmp    L66
L9:
  movss  0x8(%rbp),%xmm4
  movaps %xmm4,%xmm0
  mulss  (%rdi),%xmm0
  addss  0x8(%rdx),%xmm0
  movss  %xmm0,0x8(%rdx)
  cmp    %r10d,%ecx
  jge    L2
  movss  0xc(%rbp),%xmm5
  lea    0xc(%rsi),%rdx
  mov    %rdi,%rax
  mov    %ebx,%ebp
  sub    %ecx,%ebp
  lea    (%r11,%rbp,4),%rbp
L15:
  movaps %xmm2,%xmm0
  mulss  0xc(%rax),%xmm0
  addss  (%rdx),%xmm0
  movaps %xmm3,%xmm1
  mulss  0x8(%rax),%xmm1
  addss  %xmm1,%xmm0
  movaps %xmm4,%xmm1
  mulss  0x4(%rax),%xmm1
  addss  %xmm1,%xmm0
  movaps %xmm5,%xmm1
  mulss  (%rax),%xmm1
  addss  %xmm1,%xmm0
  movss  %xmm0,(%rdx)
  add    $0x4,%rdx
  add    $0x4,%rax
  cmp    %rax,%rbp
  jne    L15
L2:
  add    $0x10,%r9
  add    $0x4,%ecx
  add    $0x10,%rsi
  cmp    %r8d,%ecx
  je     L37
L66:
  mov    %r9,%rbp
  movss  (%r9),%xmm2
  mov    $0x0,%eax
  mov    %rsi,%rdx
L47:
  movaps %xmm2,%xmm0
  mulss  (%rdi,%rax,1),%xmm0
  addss  (%rsi,%rax,1),%xmm0
  movss  %xmm0,(%rsi,%rax,1)
  add    $0x4,%rax
  cmp    $0xc,%rax
  jne    L47
  movss  0x4(%rbp),%xmm3
  mov    $0x0,%eax
L39:
  movaps %xmm3,%xmm0
  mulss  (%rdi,%rax,1),%xmm0
  addss  0x4(%rdx,%rax,1),%xmm0
  movss  %xmm0,0x4(%rdx,%rax,1)
  add    $0x4,%rax
  cmp    $0x8,%rax
  jne    L39
  jmp    L9
L37:
  pop    %rbx
  pop    %rbp
  ret
L17:
  ret
```

assistant: ```c
void conv_alg2(const float *restrict a, int n, const float *restrict f, int m, float *restrict b) {
  for (int j = 0; j < m; j += 4) {
    for (int i = j + 0; i < j + 3; i++)
      b[i] += f[j + 0] * a[i - j - 0];
    for (int i = j + 1; i < j + 3; i++)
      b[i] += f[j + 1] * a[i - j - 1];
    for (int i = j + 2; i < j + 3; i++)
      b[i] += f[j + 2] * a[i - j - 2];
    for (int i = j + 3; i < n; i++) {
      b[i] += f[j + 0] * a[i - j - 0];
      b[i] += f[j + 1] * a[i - j - 1];
      b[i] += f[j + 2] * a[i - j - 2];
      b[i] += f[j + 3] * a[i - j - 3];
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<conv_alg2>:
  endbr64
  test   %ecx,%ecx
  jle    L38
  mov    %rdi,%r9
  sub    $0x1,%ecx
  push   %rbp
  mov    %esi,%r10d
  push   %rbx
  and    $0xfffffffc,%ecx
  movss  0x4(%r9),%xmm6
  mov    %r8,%rsi
  movss  (%rdi),%xmm5
  lea    0x7(%rcx),%r8d
  mov    %rdx,%rdi
  lea    0x4(%r9),%r11
  mov    $0x3,%ecx
  lea    -0x1(%r10),%ebx
  nopl   0x0(%rax,%rax,1)
L25:
  movss  (%rdi),%xmm4
  movaps %xmm5,%xmm0
  xor    %eax,%eax
L63:
  mulss  %xmm4,%xmm0
  addss  (%rsi,%rax,1),%xmm0
  movss  %xmm0,(%rsi,%rax,1)
  add    $0x4,%rax
  cmp    $0xc,%rax
  je     L1
  movss  (%r9,%rax,1),%xmm0
  jmp    L63
  nopl   0x0(%rax)
L1:
  movss  0x4(%rdi),%xmm7
  movss  0x8(%rdi),%xmm8
  movaps %xmm7,%xmm0
  movaps %xmm8,%xmm1
  mulss  %xmm5,%xmm0
  addss  0x4(%rsi),%xmm0
  mulss  %xmm5,%xmm1
  movss  %xmm0,0x4(%rsi)
  movaps %xmm7,%xmm0
  mulss  %xmm6,%xmm0
  addss  0x8(%rsi),%xmm0
  addss  %xmm1,%xmm0
  movss  %xmm0,0x8(%rsi)
  cmp    %ecx,%r10d
  jle    L56
  mov    %ebx,%ebp
  movss  0xc(%rdi),%xmm9
  lea    0xc(%rsi),%rdx
  mov    %r11,%rax
  sub    %ecx,%ebp
  movaps %xmm5,%xmm1
  lea    (%r11,%rbp,4),%rbp
  jmp    L8
  nopl   0x0(%rax,%rax,1)
L33:
  add    $0x4,%rax
  movaps %xmm2,%xmm1
L8:
  movss  0x4(%rax),%xmm3
  movss  0x8(%rax),%xmm0
  mulss  %xmm9,%xmm1
  add    $0x4,%rdx
  movss  (%rax),%xmm2
  mulss  %xmm7,%xmm3
  mulss  %xmm4,%xmm0
  addss  -0x4(%rdx),%xmm0
  addss  %xmm3,%xmm0
  movaps %xmm2,%xmm3
  mulss  %xmm8,%xmm3
  addss  %xmm3,%xmm0
  addss  %xmm1,%xmm0
  movss  %xmm0,-0x4(%rdx)
  cmp    %rax,%rbp
  jne    L33
L56:
  add    $0x4,%ecx
  add    $0x10,%rdi
  add    $0x10,%rsi
  cmp    %ecx,%r8d
  jne    L25
  pop    %rbx
  pop    %rbp
  ret
L38:
  ret
```

assistant: ```c
void conv_alg2(const float *restrict a, int n, const float *restrict f, int m, float *restrict b) {
  for (int j = 0; j < m; j += 4) {
    for (int i = j + 0; i < j + 3; i++)
      b[i] += f[j + 0] * a[i - j - 0];
    for (int i = j + 1; i < j + 3; i++)
      b[i] += f[j + 1] * a[i - j - 1];
    for (int i = j + 2; i < j + 3; i++)
      b[i] += f[j + 2] * a[i - j - 2];
    for (int i = j + 3; i < n; i++) {
      b[i] += f[j + 0] * a[i - j - 0];
      b[i] += f[j + 1] * a[i - j - 1];
      b[i] += f[j + 2] * a[i - j - 2];
      b[i] += f[j + 3] * a[i - j - 3];
    }
  }
}
```