1  /* { dg-do compile { target ia32 } }  */
       2  /* { dg-require-effective-target fpic } */
       3  /* { dg-options "-O2 -march=tigerlake -fPIC" } */
       4  /* { dg-final { scan-assembler-not {(?n)kmovd.*@gotntpoff} } }  */
       5  
       6  typedef unsigned short uint16_t;
       7  typedef int int32_t;
       8  typedef unsigned int uint32_t;
       9  typedef unsigned char uint8_t;
      10  
      11  typedef uint32_t in_addr_t;
      12  struct in_addr { in_addr_t s_addr; };
      13  
      14  extern __thread const uint16_t * __libc_tsd_CTYPE_B __attribute__ ((tls_model ("initial-exec")));
      15  extern __thread int __libc_errno __attribute__ ((tls_model ("initial-exec")));
      16  
      17  extern unsigned long strtoul (const char*, char**, int);
      18  extern uint32_t __bswap_32 (in_addr_t);
      19  int
      20  inet_aton_end (const char *cp, struct in_addr *addr, const char **endp)
      21  {
      22    static const in_addr_t max[4] = { 0xffffffff, 0xffffff, 0xffff, 0xff };
      23    in_addr_t val;
      24    char c;
      25    union iaddr
      26    {
      27      uint8_t bytes[4];
      28      uint32_t word;
      29    } res;
      30    uint8_t *pp = res.bytes;
      31    int digit;
      32  
      33    int saved_errno = __libc_errno;
      34    __libc_errno = 0;
      35    res.word = 0;
      36    c = *cp;
      37  
      38    for (;;)
      39      {
      40        if (c < '0' || c > '9')
      41  	goto ret_0;
      42        {
      43  	char *endp;
      44  	unsigned long ul = strtoul (cp, &endp, 0);
      45  	if (ul == 0x7fffffffL && __libc_errno == 34)
      46  	  goto ret_0;
      47  	if (ul > 0xfffffffful)
      48  	  goto ret_0;
      49  	val = ul;
      50  	digit = cp != endp;
      51  	cp = endp;
      52        }
      53        c = *cp;
      54        if (c == '.')
      55  	{
      56  	  if (pp > res.bytes + 2 || val > 0xff)
      57  	    goto ret_0;
      58  	  *pp++ = val;
      59  	  c = *++cp;
      60  	}
      61        else
      62  	break;
      63      }
      64  
      65    if (!(__libc_tsd_CTYPE_B[(int)c] & 8192))
      66      goto ret_0;
      67  
      68    if (!digit)
      69      goto ret_0;
      70  
      71    if (val > max[pp - res.bytes])
      72      goto ret_0;
      73  
      74    if (addr != 0)
      75      addr->s_addr = res.word | __bswap_32 (val);
      76    *endp = cp;
      77  
      78    __libc_errno = saved_errno;
      79    return 1;
      80  
      81   ret_0:
      82    __libc_errno = saved_errno;
      83    return 0;
      84  }