ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Translate the below assembly code into C programming language:

```asm
<nngs_strtof>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r13
  mov    %rdi,%rbx
  jmp    L36
L14:
  add    $0x1,%rbx
L36:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L14
  movzbl (%rbx),%eax
  cmp    $0x2b,%al
  je     L52
  mov    $0x1,%r14d
  cmp    $0x2d,%al
  je     L29
L124:
  mov    D4(%rip),%ebp
  mov    $0x0,%r15d
  jmp    L63
L52:
  add    $0x1,%rbx
  mov    $0x1,%r14d
  jmp    L124
L29:
  add    $0x1,%rbx
  mov    $0xffffffff,%r14d
  jmp    L124
L115:
  movd   %ebp,%xmm0
  mulss  D18(%rip),%xmm0
  movsbl (%rbx),%eax
  sub    $0x30,%eax
  pxor   %xmm1,%xmm1
  cvtsi2ss %eax,%xmm1
  addss  %xmm0,%xmm1
  movd   %xmm1,%ebp
  add    $0x1,%rbx
  mov    $0x1,%r15d
L63:
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L115
  cmpb   $0x2e,(%rbx)
  je     L72
L73:
  pxor   %xmm0,%xmm0
  test   %r15d,%r15d
  jne    L56
L53:
  mov    %r12,0x0(%r13)
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L72:
  add    $0x1,%rbx
  movss  D18(%rip),%xmm4
  movss  %xmm4,0xc(%rsp)
  jmp    L123
L87:
  movsbl (%rbx),%eax
  sub    $0x30,%eax
  pxor   %xmm0,%xmm0
  cvtsi2ss %eax,%xmm0
  movss  0xc(%rsp),%xmm2
  divss  %xmm2,%xmm0
  movd   %ebp,%xmm3
  addss  %xmm0,%xmm3
  movd   %xmm3,%ebp
  mulss  D18(%rip),%xmm2
  movss  %xmm2,0xc(%rsp)
  add    $0x1,%rbx
  mov    $0x1,%r15d
L123:
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L87
  jmp    L73
L56:
  pxor   %xmm0,%xmm0
  cvtsi2ss %r14d,%xmm0
  movd   %ebp,%xmm5
  mulss  %xmm5,%xmm0
  mov    %rbx,%r12
  jmp    L53
```

tool_calls: name: disassemble_data
arguments: tag: D4
type_guessed: f32
name: disassemble_data
arguments: tag: D18
type_guessed: f32

tool: D4: 0

tool: D18: 10

assistant: ```c
float nngs_strtof(char *str, char **p) {
  int ok = 0, sign = 1;
  float f = 0.0;
  char *s = str;
  while (isspace((int)*s))
    ++s;
  if (*s == '+')
    ++s;
  else if (*s == '-') {
    sign = -1;
    ++s;
  }
  while (isdigit((int)*s)) {
    f = 10 * f + (*s - '0');
    ok = 1;
    ++s;
  }
  if (*s == '.') {
    float d = 10.0;
    ++s;
    while (isdigit((int)*s)) {
      f += (*s - '0') / d;
      d *= 10;
      ok = 1;
      ++s;
    }
  }
  if (ok) {
    *p = s;
    return sign * f;
  }
  *p = str;
  return 0.0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<nngs_strtof>:
  endbr64
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x10,%rsp
  jmp    L119
  nopl   0x0(%rax,%rax,1)
L128:
  add    $0x1,%rbx
L119:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L128
  movsbl (%rbx),%edi
  cmp    $0x2b,%dil
  je     L51
  mov    $0x1,%r14d
  cmp    $0x2d,%dil
  je     L110
L109:
  movl   $0x0,0x8(%rsp)
  xor    %ebp,%ebp
  jmp    L3
  nopw   0x0(%rax,%rax,1)
L44:
  movsbl (%rbx),%eax
  pxor   %xmm1,%xmm1
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  movss  D2(%rip),%xmm0
  mulss  0x8(%rsp),%xmm0
  mov    $0x1,%ebp
  sub    $0x30,%eax
  cvtsi2ss %eax,%xmm1
  addss  %xmm0,%xmm1
  movss  %xmm1,0x8(%rsp)
L3:
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L44
  cmpb   $0x2e,(%rbx)
  je     L121
L96:
  pxor   %xmm0,%xmm0
  test   %ebp,%ebp
  je     L77
  pxor   %xmm0,%xmm0
  mov    %rbx,%r12
  cvtsi2ss %r14d,%xmm0
  mulss  0x8(%rsp),%xmm0
L77:
  mov    %r12,0x0(%r13)
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L110:
  movsbl 0x1(%rbx),%edi
  mov    $0xffffffff,%r14d
  add    $0x1,%rbx
  jmp    L109
  nopl   0x0(%rax,%rax,1)
L121:
  movss  D2(%rip),%xmm1
  add    $0x1,%rbx
  jmp    L73
  cs nopw 0x0(%rax,%rax,1)
L70:
  movsbl (%rbx),%eax
  pxor   %xmm0,%xmm0
  add    $0x1,%rbx
  mov    $0x1,%ebp
  sub    $0x30,%eax
  cvtsi2ss %eax,%xmm0
  divss  %xmm1,%xmm0
  mulss  D2(%rip),%xmm1
  addss  0x8(%rsp),%xmm0
  movss  %xmm0,0x8(%rsp)
L73:
  movsbl (%rbx),%edi
  movss  %xmm1,0xc(%rsp)
  call   <isdigit@plt>
  movss  0xc(%rsp),%xmm1
  test   %rax,%rax
  jne    L70
  jmp    L96
  nopl   (%rax)
L51:
  movsbl 0x1(%rbx),%edi
  mov    $0x1,%r14d
  add    $0x1,%rbx
  jmp    L109
```

tool_calls: name: unpack_data
arguments: data_label: D2
type: f32

tool: D2: 10

assistant: ```c
float nngs_strtof(char *str, char **p) {
  int ok = 0, sign = 1;
  float f = 0.0;
  char *s = str;
  while (isspace((int)*s))
    ++s;
  if (*s == '+')
    ++s;
  else if (*s == '-') {
    sign = -1;
    ++s;
  }
  while (isdigit((int)*s)) {
    f = 10 * f + (*s - '0');
    ok = 1;
    ++s;
  }
  if (*s == '.') {
    float d = 10.0;
    ++s;
    while (isdigit((int)*s)) {
      f += (*s - '0') / d;
      d *= 10;
      ok = 1;
      ++s;
    }
  }
  if (ok) {
    *p = s;
    return sign * f;
  }
  *p = str;
  return 0.0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<nngs_strtof>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x10,%rsp
  jmp    L11
  nopl   0x0(%rax,%rax,1)
L4:
  add    $0x1,%rbx
L11:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L4
  movzbl (%rbx),%eax
  cmp    $0x2b,%al
  je     L9
  mov    $0x1,%r13d
  cmp    $0x2d,%al
  je     L89
L105:
  movl   $0x0,0x8(%rsp)
  xor    %r14d,%r14d
  jmp    L95
  nopw   0x0(%rax,%rax,1)
L78:
  movsbl (%rbx),%eax
  movss  D0(%rip),%xmm0
  pxor   %xmm1,%xmm1
  add    $0x1,%rbx
  mulss  0x8(%rsp),%xmm0
  mov    $0x1,%r14d
  sub    $0x30,%eax
  cvtsi2ss %eax,%xmm1
  addss  %xmm0,%xmm1
  movss  %xmm1,0x8(%rsp)
L95:
  movsbl (%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L78
  cmpb   $0x2e,(%rbx)
  je     L58
L47:
  pxor   %xmm0,%xmm0
  test   %r14d,%r14d
  je     L109
  pxor   %xmm0,%xmm0
  mov    %rbx,%rbp
  cvtsi2ss %r13d,%xmm0
  mulss  0x8(%rsp),%xmm0
L109:
  mov    %rbp,(%r12)
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  xchg   %ax,%ax
L89:
  add    $0x1,%rbx
  mov    $0xffffffff,%r13d
  jmp    L105
  nop
L58:
  movss  D0(%rip),%xmm1
  add    $0x1,%rbx
  jmp    L45
  xchg   %ax,%ax
L30:
  movsbl (%rbx),%eax
  pxor   %xmm0,%xmm0
  add    $0x1,%rbx
  mov    $0x1,%r14d
  sub    $0x30,%eax
  cvtsi2ss %eax,%xmm0
  divss  %xmm1,%xmm0
  mulss  D0(%rip),%xmm1
  addss  0x8(%rsp),%xmm0
  movss  %xmm0,0x8(%rsp)
L45:
  movsbl (%rbx),%edi
  movss  %xmm1,0xc(%rsp)
  call   <isdigit@plt>
  movss  0xc(%rsp),%xmm1
  test   %rax,%rax
  jne    L30
  jmp    L47
  xchg   %ax,%ax
L9:
  add    $0x1,%rbx
  mov    $0x1,%r13d
  jmp    L105
```

tool_calls: name: extract_symbolic_data
arguments: label: D0
type_guessed: f32

tool: D0: 10

assistant: ```c
float nngs_strtof(char *str, char **p) {
  int ok = 0, sign = 1;
  float f = 0.0;
  char *s = str;
  while (isspace((int)*s))
    ++s;
  if (*s == '+')
    ++s;
  else if (*s == '-') {
    sign = -1;
    ++s;
  }
  while (isdigit((int)*s)) {
    f = 10 * f + (*s - '0');
    ok = 1;
    ++s;
  }
  if (*s == '.') {
    float d = 10.0;
    ++s;
    while (isdigit((int)*s)) {
      f += (*s - '0') / d;
      d *= 10;
      ok = 1;
      ++s;
    }
  }
  if (ok) {
    *p = s;
    return sign * f;
  }
  *p = str;
  return 0.0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<merge>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r11
  mov    %edx,%r13d
  mov    %ecx,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  mov    %ecx,%r9d
  sub    %edx,%r9d
  lea    0x1(%r9),%eax
  cltq
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L54:
  cmp    %rdx,%rsp
  je     L85
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L54
L85:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L184
  orq    $0x0,-0x8(%rsp,%rax,1)
L184:
  mov    %rsp,%rdi
  mov    %r13d,%eax
  sub    %esi,%eax
  lea    0x1(%rax),%r10d
  movslq %r10d,%rdx
  lea    0xf(,%rdx,4),%rdx
  mov    %rdx,%r8
  and    $0xfffffffffffffff0,%r8
  and    $0xfffffffffffff000,%rdx
  mov    %rsp,%rcx
  sub    %rdx,%rcx
L186:
  cmp    %rcx,%rsp
  je     L121
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L186
L121:
  mov    %r8,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L43
  orq    $0x0,-0x8(%rsp,%rdx,1)
L43:
  mov    %rsp,%r8
  test   %eax,%eax
  js     L107
  lea    0x1(%rax),%ecx
  shl    $0x2,%rcx
  movslq %esi,%rax
  lea    (%r11,%rax,4),%r12
  mov    $0x0,%eax
L53:
  mov    (%r12,%rax,1),%edx
  mov    %edx,(%rdi,%rax,1)
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L53
L132:
  test   %r9d,%r9d
  jle    L130
  lea    0x1(%r9),%r12d
  movslq %r13d,%r13
  lea    (%r11,%r13,4),%rcx
  mov    $0x1,%eax
L89:
  mov    (%rcx,%rax,4),%edx
  mov    %edx,-0x4(%r8,%rax,4)
  add    $0x1,%rax
  cmp    %r12,%rax
  jne    L89
L67:
  cmp    %esi,%ebx
  jl     L190
  movslq %esi,%rdx
  lea    (%r11,%rdx,4),%rax
  sub    %esi,%ebx
  add    %rdx,%rbx
  lea    0x4(%r11,%rbx,4),%rbx
  mov    $0x0,%edx
  mov    $0x0,%ecx
  jmp    L195
L107:
  mov    $0x0,%r10d
  jmp    L132
L130:
  mov    $0x0,%r9d
  jmp    L67
L152:
  add    $0x1,%edx
  mov    %esi,(%rax)
L60:
  add    $0x4,%rax
  cmp    %rbx,%rax
  je     L190
L195:
  movslq %ecx,%rsi
  mov    (%rdi,%rsi,4),%r11d
  movslq %edx,%rsi
  mov    (%r8,%rsi,4),%esi
  cmp    %edx,%r9d
  jle    L44
  cmp    %esi,%r11d
  jg     L152
L44:
  cmp    %ecx,%r10d
  jle    L152
  add    $0x1,%ecx
  mov    %r11d,(%rax)
  jmp    L60
L190:
  mov    -0x28(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L141
  lea    -0x18(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
L141:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void merge(int *array, int l, int m, int h) {
  int arr_copy1[h - m + 1], arr_copy2[m - l + 1], i = 0, j = 0, k = 0, n1 = 0, n2 = 0;
  for (i = 0; i < m - l + 1; i++)
    arr_copy1[i] = array[l + i];
  for (j = 0; j < h - m; j++)
    arr_copy2[j] = array[m + j + 1];
  n1 = i;
  n2 = j;
  i = 0;
  j = 0;
  for (k = l; k <= h; k++) {
    if ((arr_copy1[i] <= arr_copy2[j] || j >= n2) && i < n1)
      array[k] = arr_copy1[i++];
    else
      array[k] = arr_copy2[j++];
  }
  return;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<numcmp_inv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <atof@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <atof@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x8(%rbp)
  movsd  -0x8(%rbp),%xmm0
  comisd -0x10(%rbp),%xmm0
  jbe    L29
  mov    $0x1,%eax
  jmp    L36
L29:
  movsd  -0x10(%rbp),%xmm0
  comisd -0x8(%rbp),%xmm0
  jbe    L0
  mov    $0xffffffff,%eax
  jmp    L36
L0:
  mov    $0x0,%eax
L36:
  leave
  ret
```

assistant: ```c
int numcmp_inv(const void *s1, const void *s2) {
  double v1, v2;
  v1 = atof((char *const)s1);
  v2 = atof((char *const)s2);
  if (v1 < v2)
    return 1;
  else if (v1 > v2)
    return -1;
  else
    return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<numcmp_inv>:
  endbr64
  push   %r14
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%rbx
  call   <atof@plt>
  movq   %xmm0,%r14
  mov    %rbx,%rdi
  call   <atof@plt>
  mov    $0x1,%eax
  movq   %r14,%xmm1
  comisd %xmm1,%xmm0
  ja     L0
  comisd %xmm0,%xmm1
  seta   %al
  movzbl %al,%eax
  neg    %eax
L0:
  add    $0x8,%rsp
  pop    %rbx
  pop    %r14
  ret
```

assistant: ```c
int numcmp_inv(const void *s1, const void *s2) {
  double v1, v2;
  v1 = atof((char *const)s1);
  v2 = atof((char *const)s2);
  if (v1 < v2)
    return 1;
  else if (v1 > v2)
    return -1;
  else
    return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<numcmp_inv>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x10,%rsp
  call   <atof@plt>
  mov    %rbp,%rdi
  movsd  %xmm0,0x8(%rsp)
  call   <atof@plt>
  movsd  0x8(%rsp),%xmm1
  mov    $0x1,%eax
  comisd %xmm1,%xmm0
  ja     L8
  xor    %eax,%eax
  comisd %xmm0,%xmm1
  seta   %al
  neg    %eax
L8:
  add    $0x10,%rsp
  pop    %rbp
  ret
```

assistant: ```c
int numcmp_inv(const void *s1, const void *s2) {
  double v1, v2;
  v1 = atof((char *const)s1);
  v2 = atof((char *const)s2);
  if (v1 < v2)
    return 1;
  else if (v1 > v2)
    return -1;
  else
    return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<numcmp_inv>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x10,%rsp
  call   <atof@plt>
  mov    %rbp,%rdi
  movsd  %xmm0,0x8(%rsp)
  call   <atof@plt>
  movsd  0x8(%rsp),%xmm1
  mov    $0x1,%eax
  comisd %xmm1,%xmm0
  ja     L4
  xor    %eax,%eax
  comisd %xmm0,%xmm1
  seta   %al
  neg    %eax
L4:
  add    $0x10,%rsp
  pop    %rbp
  ret
```

assistant: ```c
int numcmp_inv(const void *s1, const void *s2) {
  double v1, v2;
  v1 = atof((char *const)s1);
  v2 = atof((char *const)s2);
  if (v1 < v2)
    return 1;
  else if (v1 > v2)
    return -1;
  else
    return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<multiply221>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,-0x44(%rbp)
  mov    %esi,-0x48(%rbp)
  mov    %rdx,-0x50(%rbp)
  mov    %rcx,-0x58(%rbp)
  mov    %r8,-0x60(%rbp)
  mov    -0x44(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x38(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  mov    -0x44(%rbp),%edx
  movslq %edx,%rcx
  sub    $0x1,%rcx
  mov    %rcx,-0x30(%rbp)
  movslq %edx,%rcx
  mov    %rcx,%r12
  mov    $0x0,%r13d
  mov    -0x44(%rbp),%ecx
  movslq %ecx,%rsi
  sub    $0x1,%rsi
  mov    %rsi,-0x28(%rbp)
  movslq %ecx,%rsi
  mov    %rsi,%r10
  mov    $0x0,%r11d
  movl   $0x0,-0x40(%rbp)
  jmp    L0
L25:
  movl   $0x0,-0x3c(%rbp)
  jmp    L29
L8:
  mov    -0x40(%rbp),%esi
  movslq %esi,%rdi
  movslq %eax,%rsi
  imul   %rdi,%rsi
  lea    0x0(,%rsi,4),%rdi
  mov    -0x50(%rbp),%rsi
  add    %rsi,%rdi
  mov    -0x3c(%rbp),%esi
  movslq %esi,%rsi
  mov    (%rdi,%rsi,4),%esi
  imul   -0x48(%rbp),%esi
  mov    %esi,%r9d
  mov    -0x40(%rbp),%esi
  movslq %esi,%rdi
  movslq %edx,%rsi
  imul   %rdi,%rsi
  lea    0x0(,%rsi,4),%rdi
  mov    -0x58(%rbp),%rsi
  add    %rsi,%rdi
  mov    -0x3c(%rbp),%esi
  movslq %esi,%rsi
  mov    (%rdi,%rsi,4),%r8d
  mov    -0x40(%rbp),%esi
  movslq %esi,%rdi
  movslq %ecx,%rsi
  imul   %rdi,%rsi
  lea    0x0(,%rsi,4),%rdi
  mov    -0x60(%rbp),%rsi
  add    %rsi,%rdi
  add    %r9d,%r8d
  mov    -0x3c(%rbp),%esi
  movslq %esi,%rsi
  mov    %r8d,(%rdi,%rsi,4)
  addl   $0x1,-0x3c(%rbp)
L29:
  mov    -0x3c(%rbp),%esi
  cmp    -0x44(%rbp),%esi
  jl     L8
  addl   $0x1,-0x40(%rbp)
L0:
  mov    -0x40(%rbp),%esi
  cmp    -0x44(%rbp),%esi
  jl     L25
  nop
  nop
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void multiply221(int n, int a, int tab1[n][n], int tab2[n][n], int tab3[n][n]) {
  int i, j, k;
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++) {
      tab3[i][j] = a * tab1[i][j] + tab2[i][j];
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<multiply221>:
  endbr64
  test   %edi,%edi
  jle    L17
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  mov    %esi,%r10d
  movslq %edi,%r12
  shl    $0x2,%r12
  mov    %rdx,%rbp
  mov    $0x0,%r13d
  mov    %edi,%r11d
L0:
  mov    %rbp,%r9
  mov    %rcx,%rdi
  mov    %r8,%rsi
  mov    $0x0,%eax
L21:
  mov    %r10d,%edx
  imul   (%r9,%rax,4),%edx
  add    (%rdi,%rax,4),%edx
  mov    %edx,(%rsi,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%r11
  jne    L21
  add    $0x1,%r13d
  add    %r12,%rbp
  add    %r12,%rcx
  add    %r12,%r8
  cmp    %r13d,%ebx
  jne    L0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L17:
  ret
```

assistant: ```c
void multiply221(int n, int a, int tab1[n][n], int tab2[n][n], int tab3[n][n]) {
  int i, j, k;
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++) {
      tab3[i][j] = a * tab1[i][j] + tab2[i][j];
    }
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<multiply221>:
  endbr64
  test   %edi,%edi
  jle    L0
  movslq %edi,%r10
  push   %rbx
  mov    %esi,%r9d
  xor    %r11d,%r11d
  lea    0x0(,%r10,4),%rbx
  nopw   0x0(%rax,%rax,1)
L11:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L15:
  mov    (%rdx,%rax,4),%esi
  imul   %r9d,%esi
  add    (%rcx,%rax,4),%esi
  mov    %esi,(%r8,%rax,4)
  add    $0x1,%rax
  cmp    %r10,%rax
  jne    L15
  add    $0x1,%r11d
  add    %rbx,%rdx
  add    %rbx,%rcx
  add    %rbx,%r8
  cmp    %r11d,%edi
  jne    L11
  pop    %rbx
  ret
L0:
  ret
```

assistant: ```c
void multiply221(int n, int a, int tab1[n][n], int tab2[n][n], int tab3[n][n]) {
  int i, j, k;
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++) {
      tab3[i][j] = a * tab1[i][j] + tab2[i][j];
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<multiply221>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  movslq %edi,%rbp
  push   %rbx
  test   %ebp,%ebp
  jle    L5
  mov    %rbp,%r11
  mov    %esi,%ebx
  lea    0x4(%rdx),%r10
  mov    %r8,%rax
  mov    %r11d,%edx
  mov    %r11d,%esi
  lea    0x4(%rcx),%r9
  shl    $0x2,%rbp
  and    $0xfffffffc,%esi
  shr    $0x2,%edx
  movd   %ebx,%xmm4
  xor    %r12d,%r12d
  lea    0x1(%rsi),%ecx
  lea    0x2(%rsi),%edi
  mov    %esi,-0x24(%rsp)
  movslq %esi,%r13
  lea    -0x1(%rdx),%r8d
  mov    %r11d,%esi
  lea    -0x1(%r11),%edx
  mov    %ecx,-0x20(%rsp)
  pshufd $0x0,%xmm4,%xmm2
  mov    %edi,-0x1c(%rsp)
  add    $0x1,%r8
  movslq %ecx,%r14
  mov    %edx,-0x28(%rsp)
  movdqa %xmm2,%xmm3
  shl    $0x4,%r8
  movslq %edi,%r15
  mov    %rsi,-0x10(%rsp)
  psrlq  $0x20,%xmm3
  nopl   (%rax)
L53:
  mov    %rax,%rdx
  lea    -0x4(%r10),%rcx
  lea    -0x4(%r9),%rsi
  sub    %r10,%rdx
  cmp    $0x8,%rdx
  mov    %rax,%rdx
  seta   %dil
  sub    %r9,%rdx
  cmp    $0x8,%rdx
  seta   %dl
  test   %dl,%dil
  je     L83
  xor    %edx,%edx
  cmpl   $0x2,-0x28(%rsp)
  jbe    L83
  nopl   0x0(%rax)
L11:
  movdqu (%rcx,%rdx,1),%xmm0
  movdqu (%rcx,%rdx,1),%xmm1
  psrlq  $0x20,%xmm0
  pmuludq %xmm2,%xmm1
  pmuludq %xmm3,%xmm0
  pshufd $0x8,%xmm1,%xmm1
  pshufd $0x8,%xmm0,%xmm0
  punpckldq %xmm0,%xmm1
  movdqu (%rsi,%rdx,1),%xmm0
  paddd  %xmm1,%xmm0
  movups %xmm0,(%rax,%rdx,1)
  add    $0x10,%rdx
  cmp    %r8,%rdx
  jne    L11
  cmp    -0x24(%rsp),%r11d
  je     L23
  mov    (%rcx,%r13,4),%edx
  imul   %ebx,%edx
  add    (%rsi,%r13,4),%edx
  mov    %edx,(%rax,%r13,4)
  cmp    -0x20(%rsp),%r11d
  jle    L23
  mov    (%rcx,%r14,4),%edx
  imul   %ebx,%edx
  add    (%rsi,%r14,4),%edx
  mov    %edx,(%rax,%r14,4)
  cmp    -0x1c(%rsp),%r11d
  jle    L23
  mov    (%rcx,%r15,4),%edx
  imul   %ebx,%edx
  add    (%rsi,%r15,4),%edx
  mov    %edx,(%rax,%r15,4)
L23:
  add    $0x1,%r12d
  add    %rbp,%rax
  add    %rbp,%r10
  add    %rbp,%r9
  cmp    %r12d,%r11d
  jne    L53
L5:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L83:
  mov    %r8,-0x18(%rsp)
  mov    -0x10(%rsp),%r8
  xor    %edx,%edx
  nopl   0x0(%rax)
L54:
  mov    (%rcx,%rdx,4),%edi
  imul   %ebx,%edi
  add    (%rsi,%rdx,4),%edi
  mov    %edi,(%rax,%rdx,4)
  add    $0x1,%rdx
  cmp    %rdx,%r8
  jne    L54
  mov    -0x18(%rsp),%r8
  jmp    L23
```

assistant: ```c
void multiply221(int n, int a, int tab1[n][n], int tab2[n][n], int tab3[n][n]) {
  int i, j, k;
  for (i = 0; i < n; i++) {
    for (j = 0; j < n; j++) {
      tab3[i][j] = a * tab1[i][j] + tab2[i][j];
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<ftypelet>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <S_ISCHR@plt>
  test   %rax,%rax
  je     L0
  mov    $0x63,%eax
  jmp    L30
L0:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <S_ISDIR@plt>
  test   %rax,%rax
  je     L31
  mov    $0x64,%eax
  jmp    L30
L31:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <S_ISREG@plt>
  test   %rax,%rax
  je     L18
  mov    $0x2d,%eax
  jmp    L30
L18:
  mov    $0x3f,%eax
L30:
  leave
  ret
```

assistant: ```c
char ftypelet(long bits) {
  if (S_ISCHR(bits))
    return 'c';
  if (S_ISDIR(bits))
    return 'd';
  if (S_ISREG(bits))
    return '-';
  return '?';
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ftypelet>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <S_ISCHR@plt>
  mov    %rax,%rdx
  mov    $0x63,%eax
  test   %rdx,%rdx
  je     L27
L0:
  pop    %rbx
  ret
L27:
  mov    %rbx,%rdi
  call   <S_ISDIR@plt>
  mov    %rax,%rdx
  mov    $0x64,%eax
  test   %rdx,%rdx
  jne    L0
  mov    %rbx,%rdi
  call   <S_ISREG@plt>
  cmp    $0x1,%rax
  sbb    %eax,%eax
  and    $0x12,%eax
  add    $0x2d,%eax
  jmp    L0
```

assistant: ```c
char ftypelet(long bits) {
  if (S_ISCHR(bits))
    return 'c';
  if (S_ISDIR(bits))
    return 'd';
  if (S_ISREG(bits))
    return '-';
  return '?';
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ftypelet>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  call   <S_ISCHR@plt>
  mov    %rax,%r8
  mov    $0x63,%eax
  test   %r8,%r8
  je     L6
L4:
  pop    %rbp
  ret
  nopl   0x0(%rax)
L6:
  mov    %rbp,%rdi
  call   <S_ISDIR@plt>
  mov    %rax,%r8
  mov    $0x64,%eax
  test   %r8,%r8
  jne    L4
  mov    %rbp,%rdi
  call   <S_ISREG@plt>
  pop    %rbp
  cmp    $0x1,%rax
  sbb    %eax,%eax
  and    $0x12,%eax
  add    $0x2d,%eax
  ret
```

assistant: ```c
char ftypelet(long bits) {
  if (S_ISCHR(bits))
    return 'c';
  if (S_ISDIR(bits))
    return 'd';
  if (S_ISREG(bits))
    return '-';
  return '?';
}
```
user: Translate the below assembly code into C programming language:

```asm
<ftypelet>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  call   <S_ISCHR@plt>
  mov    %rax,%r8
  mov    $0x63,%eax
  test   %r8,%r8
  je     L7
L11:
  pop    %rbp
  ret
  nopl   0x0(%rax)
L7:
  mov    %rbp,%rdi
  call   <S_ISDIR@plt>
  mov    %rax,%r8
  mov    $0x64,%eax
  test   %r8,%r8
  jne    L11
  mov    %rbp,%rdi
  call   <S_ISREG@plt>
  pop    %rbp
  cmp    $0x1,%rax
  sbb    %eax,%eax
  and    $0x12,%eax
  add    $0x2d,%eax
  ret
```

assistant: ```c
char ftypelet(long bits) {
  if (S_ISCHR(bits))
    return 'c';
  if (S_ISDIR(bits))
    return 'd';
  if (S_ISREG(bits))
    return '-';
  return '?';
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<SCE_String_GetExt>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
  jmp    L53
L15:
  subq   $0x1,-0x8(%rbp)
L53:
  cmpq   $0x0,-0x8(%rbp)
  je     L0
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L15
L0:
  cmpq   $0x0,-0x8(%rbp)
  jne    L27
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L27
  mov    $0x0,%eax
  jmp    L18
L27:
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
L18:
  leave
  ret
```

assistant: ```c
char *SCE_String_GetExt(const char *str) {
  size_t i = strlen(str);
  while (i != 0 && str[i] != '.')
    i--;
  if (i == 0 && str[0] != '.')
    return NULL;
  return (char *)&str[i];
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<SCE_String_GetExt>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    %rax,%rdx
  test   %rax,%rax
  je     L53
L45:
  cmpb   $0x2e,(%rbx,%rdx,1)
  je     L4
  sub    $0x1,%rdx
  jne    L45
L53:
  mov    $0x0,%eax
  cmpb   $0x2e,(%rbx)
  jne    L2
  mov    $0x0,%edx
  jmp    L27
L4:
  test   %rdx,%rdx
  je     L53
L27:
  lea    (%rbx,%rdx,1),%rax
L2:
  pop    %rbx
  ret
```

assistant: ```c
char *SCE_String_GetExt(const char *str) {
  size_t i = strlen(str);
  while (i != 0 && str[i] != '.')
    i--;
  if (i == 0 && str[0] != '.')
    return NULL;
  return (char *)&str[i];
}
```