user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<get_cpuname>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <have_cpuid@plt>
  mov    %eax,%edx
  mov    $0xb,%eax
  test   %edx,%edx
  je     L252
  mov    $0x4,%edi
  call   <get_cputype@plt>
  mov    %eax,%ebx
  mov    $0x1,%edi
  call   <get_cputype@plt>
  mov    %eax,%ebp
  mov    $0x5,%edi
  call   <get_cputype@plt>
  mov    %eax,%r12d
  mov    $0x2,%edi
  call   <get_cputype@plt>
  mov    %eax,%r13d
  mov    $0x0,%eax
  call   <get_vendor@plt>
  cmp    $0x1,%eax
  je     L206
  lea    -0x3(%rax),%edx
  cmp    $0x7,%edx
  ja     L24
  mov    %edx,%edx
  lea    D4(%rip),%rcx
  movslq (%rcx,%rdx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
L206:
  sub    $0x4,%ebx
  cmp    $0xb,%ebx
  ja     L252
  mov    %ebx,%ebx
  lea    D10(%rip),%rcx
  movslq (%rcx,%rbx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  mov    $0xd,%eax
  jmp    L252
  cmp    $0x1,%r13d
  je     L224
  cmp    $0x2,%r13d
  je     L79
  test   %r13d,%r13d
  jne    L252
  cmp    $0x6,%r12d
  jle    L376
  lea    -0x7(%r12),%edx
  cmp    $0x8,%edx
  ja     L252
  sub    $0x7,%r12d
  cmp    $0x8,%r12d
  ja     L252
  mov    %r12d,%r12d
  lea    D18(%rip),%rcx
  movslq (%rcx,%r12,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
L376:
  test   %r12d,%r12d
  jle    L252
  mov    $0x6a,%edx
  mov    %r12d,%ecx
  shr    %cl,%rdx
  test   $0x1,%dl
  mov    $0xe,%edx
  cmovne %edx,%eax
  jmp    L252
  mov    $0xf,%eax
  jmp    L252
  mov    $0x12,%eax
  jmp    L252
L224:
  sub    $0x6,%r12d
  cmp    $0x9,%r12d
  ja     L421
  mov    %r12d,%r12d
  lea    D26(%rip),%rdx
  movslq (%rdx,%r12,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x13,%eax
  jmp    L252
L421:
  mov    %r13d,%eax
  jmp    L252
  mov    $0x15,%eax
  jmp    L252
  mov    $0x16,%eax
  jmp    L252
  mov    $0x14,%eax
  jmp    L252
L79:
  cmp    $0xf,%r12d
  ja     L252
  mov    $0xb420,%edx
  mov    %r12d,%ecx
  shr    %cl,%rdx
  test   $0x1,%dl
  mov    $0x15,%edx
  cmovne %edx,%eax
  jmp    L252
  mov    $0x17,%eax
  jmp    L252
  test   %ebp,%ebp
  je     L317
  cmp    $0x1,%ebp
  mov    $0x17,%edx
  cmove  %edx,%eax
  jmp    L252
  cmp    $0x6,%ebx
  je     L274
  jg     L385
  cmp    $0x4,%ebx
  je     L263
  cmp    $0x5,%ebx
  mov    $0x1a,%edx
  cmove  %edx,%eax
L252:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L385:
  cmp    $0xf,%ebx
  jne    L252
  cmp    $0x2,%ebp
  je     L126
  jg     L433
  test   %ebp,%ebp
  je     L175
  cmp    $0x1,%ebp
  mov    $0x1e,%edx
  cmove  %edx,%eax
  jmp    L252
L433:
  cmp    $0xa,%ebp
  mov    $0x1e,%edx
  cmove  %edx,%eax
  jmp    L252
  cmp    $0x5,%ebx
  je     L476
  cmp    $0x6,%ebx
  je     L382
  cmp    $0x4,%ebx
  mov    $0x21,%edx
  cmove  %edx,%eax
  jmp    L252
  cmp    $0x5,%ebx
  mov    $0x24,%edx
  cmove  %edx,%eax
  jmp    L252
  mov    $0x25,%eax
  cmp    $0x5,%ebx
  je     L252
  cmp    $0x6,%ebx
  sete   %al
  movzbl %al,%eax
  add    $0x2a,%eax
  jmp    L252
  cmp    $0x5,%ebx
  mov    $0x26,%edx
  cmove  %edx,%eax
  jmp    L252
  cmp    $0x5,%ebx
  mov    $0x27,%edx
  cmove  %edx,%eax
  jmp    L252
  cmp    $0x5,%ebx
  mov    $0x28,%edx
  cmove  %edx,%eax
  jmp    L252
  cmp    $0x5,%ebx
  mov    $0x29,%edx
  cmove  %edx,%eax
  jmp    L252
  mov    $0xc,%eax
  jmp    L252
  mov    $0x10,%eax
  jmp    L252
  mov    $0x12,%eax
  jmp    L252
L317:
  mov    $0x11,%eax
  jmp    L252
L24:
  mov    $0x0,%eax
  jmp    L252
L274:
  mov    $0x1b,%eax
  jmp    L252
L263:
  mov    $0x19,%eax
  jmp    L252
L126:
  mov    $0x1d,%eax
  jmp    L252
L175:
  mov    $0x1d,%eax
  jmp    L252
L476:
  mov    $0x22,%eax
  jmp    L252
L382:
  mov    $0x23,%eax
  jmp    L252
```

assistant: ```c
int get_cpuname(void) {
  int family, exfamily, model, vendor, exmodel;
  if (!have_cpuid())
    return 11;
  family = get_cputype(4);
  exfamily = get_cputype(1);
  model = get_cputype(5);
  exmodel = get_cputype(2);
  vendor = get_vendor();
  if (vendor == 1) {
    switch (family) {
    case 0x4:
      return 12;
    case 0x5:
      return 13;
    case 0x6:
      switch (exmodel) {
      case 0:
        switch (model) {
        case 1:
        case 3:
        case 5:
        case 6:
          return 14;
        case 7:
        case 8:
        case 10:
        case 11:
          return 15;
        case 9:
        case 13:
        case 14:
          return 16;
        case 15:
          return 18;
        }
        break;
      case 1:
        switch (model) {
        case 6:
          return 18;
        case 7:
          return 19;
        case 10:
        case 11:
        case 14:
        case 15:
          return 21;
        case 12:
          return 22;
        case 13:
          return 20;
        }
        break;
      case 2:
        switch (model) {
        case 5:
          return 21;
        case 10:
          return 21;
        case 12:
          return 21;
        case 13:
          return 21;
        case 15:
          return 21;
        }
        break;
      }
      break;
    case 0x7:
      return 23;
    case 0xf:
      switch (exfamily) {
      case 0:
        return 17;
      case 1:
        return 23;
      }
      break;
    }
    return 1;
  }
  if (vendor == 3) {
    switch (family) {
    case 0x4:
      return 25;
    case 0x5:
      return 26;
    case 0x6:
      return 27;
    case 0xf:
      switch (exfamily) {
      case 0:
      case 2:
        return 29;
      case 1:
      case 10:
        return 30;
      }
      break;
    }
    return 3;
  }
  if (vendor == 4) {
    switch (family) {
    case 0x4:
      return 33;
    case 0x5:
      return 34;
    case 0x6:
      return 35;
    }
    return 4;
  }
  if (vendor == 5) {
    switch (family) {
    case 0x5:
      return 36;
    }
    return 5;
  }
  if (vendor == 6) {
    switch (family) {
    case 0x5:
      return 37;
      break;
    case 0x6:
      return 43;
      break;
    }
    return 42;
  }
  if (vendor == 7) {
    switch (family) {
    case 0x5:
      return 38;
    }
    return 7;
  }
  if (vendor == 8) {
    switch (family) {
    case 0x5:
      return 39;
    }
    return 8;
  }
  if (vendor == 9) {
    switch (family) {
    case 0x5:
      return 40;
    }
    return 9;
  }
  if (vendor == 10) {
    switch (family) {
    case 0x5:
      return 41;
    }
    return 10;
  }
  return 0;
}
```