Subversion Repositories scarts

/* { dg-do compile } */

/* { dg-options "-O2" } */

/* { dg-require-effective-target tls } */

/* Sched1 moved {load_tp} pattern between strlen call and the copy

   of the hard return value to its pseudo.  This resulted in a

   reload abort, since the hard register was not spillable.  */

extern __thread int __libc_errno __attribute__ ((tls_model ("initial-exec")));

struct stat64

  {

    long dummy[4];

  };

typedef __SIZE_TYPE__ size_t;

typedef unsigned long long uint64_t;

typedef int __mode_t;

extern size_t strlen (__const char *__s) __attribute__ ((__pure__));

extern int strcmp (__const char *__s1, __const char *__s2)

     __attribute__ ((__pure__));

extern int __open64 (__const char *__file, int __oflag, ...);

extern int __open (__const char *__file, int __oflag, ...);

extern int __mkdir (__const char *__path, __mode_t __mode);

extern int __lxstat64 (int __ver, __const char *__filename,

                       struct stat64 *__stat_buf) ;

static const char letters[] =

"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

int

__gen_tempname (char *tmpl, int kind)

{

  int len;

  char *XXXXXX;

  static uint64_t value;

  uint64_t random_time_bits;

  unsigned int count;

  int fd = -1;

  int save_errno = __libc_errno;

  struct stat64 st;

  unsigned int attempts_min = 62 * 62 * 62;

  unsigned int attempts = attempts_min < 238328 ? 238328 : attempts_min;

  len = strlen (tmpl);

  if (len < 6 || strcmp(&tmpl[len - 6], "XXXXXX"))

    {

      (__libc_errno = (22));

      return -1;

    }

  XXXXXX = &tmpl[len - 6];

  for (count = 0; count < attempts; value += 7777, ++count)

    {

      uint64_t v = value;

      XXXXXX[0] = letters[v % 62];

      v /= 62;

      XXXXXX[1] = letters[v % 62];

      v /= 62;

      XXXXXX[2] = letters[v % 62];

      v /= 62;

      XXXXXX[3] = letters[v % 62];

      v /= 62;

      XXXXXX[4] = letters[v % 62];

      v /= 62;

      XXXXXX[5] = letters[v % 62];

      switch (kind)

        {

        case 0:

          fd = __open (tmpl, 02 | 01000 | 04000, 0400 | 0200);

          break;

        case 1:

          fd = __open64 (tmpl, 02 | 01000 | 04000, 0400 | 0200);

          break;

        case 2:

          fd = __mkdir (tmpl, 0400 | 0200 | 0100);

          break;

        case 3:

          if (__lxstat64 (2, tmpl, &st) < 0)

            {

              if (__libc_errno == 2)

                {

                  (__libc_errno = (save_errno));

                  return 0;

                }

              else

                return -1;

            }

          continue;

        }

      if (fd >= 0)

        {

          (__libc_errno = (save_errno));

          return fd;

        }

      else if (__libc_errno != 17)

        return -1;

    }

  (__libc_errno = (17));

  return -1;

}