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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tls/] [opt-5.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* { dg-do compile } */
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/* { dg-options "-O2" } */
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/* { dg-require-effective-target tls } */
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/* Sched1 moved {load_tp} pattern between strlen call and the copy
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   of the hard return value to its pseudo.  This resulted in a
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   reload abort, since the hard register was not spillable.  */
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extern __thread int __libc_errno __attribute__ ((tls_model ("initial-exec")));
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struct stat64
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  {
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    long dummy[4];
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  };
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typedef __SIZE_TYPE__ size_t;
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typedef unsigned long long uint64_t;
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typedef int __mode_t;
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extern size_t strlen (__const char *__s) __attribute__ ((__pure__));
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extern int strcmp (__const char *__s1, __const char *__s2)
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     __attribute__ ((__pure__));
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extern int __open64 (__const char *__file, int __oflag, ...);
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extern int __open (__const char *__file, int __oflag, ...);
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extern int __mkdir (__const char *__path, __mode_t __mode);
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extern int __lxstat64 (int __ver, __const char *__filename,
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                       struct stat64 *__stat_buf) ;
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static const char letters[] =
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"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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int
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__gen_tempname (char *tmpl, int kind)
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{
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  int len;
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  char *XXXXXX;
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  static uint64_t value;
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  uint64_t random_time_bits;
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  unsigned long count;
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  int fd = -1;
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  int save_errno = __libc_errno;
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  struct stat64 st;
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  unsigned long attempts_min = 62L * 62L * 62L;
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  unsigned long attempts = attempts_min < 238328 ? 238328 : attempts_min;
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  len = strlen (tmpl);
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  if (len < 6 || strcmp(&tmpl[len - 6], "XXXXXX"))
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    {
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      (__libc_errno = (22));
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      return -1;
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    }
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  XXXXXX = &tmpl[len - 6];
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  for (count = 0; count < attempts; value += 7777, ++count)
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    {
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      uint64_t v = value;
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      XXXXXX[0] = letters[v % 62];
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      v /= 62;
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      XXXXXX[1] = letters[v % 62];
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      v /= 62;
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      XXXXXX[2] = letters[v % 62];
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      v /= 62;
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      XXXXXX[3] = letters[v % 62];
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      v /= 62;
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      XXXXXX[4] = letters[v % 62];
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      v /= 62;
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      XXXXXX[5] = letters[v % 62];
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      switch (kind)
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        {
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        case 0:
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          fd = __open (tmpl, 02 | 01000 | 04000, 0400 | 0200);
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          break;
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        case 1:
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          fd = __open64 (tmpl, 02 | 01000 | 04000, 0400 | 0200);
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          break;
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        case 2:
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          fd = __mkdir (tmpl, 0400 | 0200 | 0100);
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          break;
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        case 3:
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          if (__lxstat64 (2, tmpl, &st) < 0)
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            {
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              if (__libc_errno == 2)
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                {
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                  (__libc_errno = (save_errno));
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                  return 0;
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                }
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              else
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                return -1;
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            }
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          continue;
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        }
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      if (fd >= 0)
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        {
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          (__libc_errno = (save_errno));
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          return fd;
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        }
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      else if (__libc_errno != 17)
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        return -1;
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    }
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  (__libc_errno = (17));
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  return -1;
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}

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