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/* PR tree-optimization/37573 */

struct S

{

  unsigned int *a;

  unsigned int b;

  unsigned int c[624];

};

static unsigned char __attribute__((noinline))

foo (struct S *s)

{

  unsigned int r;

  if (!--s->b)

    {

      unsigned int *c = s->c;

      unsigned int i;

      s->a = c;

      for (i = 0; i < 227; i++)

        c[i] = ((((c[i] ^ c[i + 1]) & 0x7ffffffe) ^ c[i]) >> 1)

            ^ ((0 - (c[i + 1] & 1)) & 0x9908b0df) ^ c[i + 397];

    }

  r = *(s->a++);

  r ^= (r >> 11);

  r ^= ((r & 0xff3a58ad) << 7);

  r ^= ((r & 0xffffdf8c) << 15);

  r ^= (r >> 18);

  return (unsigned char) (r >> 1);

}

static void __attribute__((noinline))

bar (unsigned char *p, unsigned int q, unsigned int r)

{

  struct S s;

  unsigned int i;

  unsigned int *c = s.c;

  *c = r;

  for (i = 1; i < 624; i++)

    c[i] = i + 0x6c078965 * ((c[i - 1] >> 30) ^ c[i - 1]);

  s.b = 1;

  while (q--)

    *p++ ^= foo (&s);

};

static unsigned char p[23] = {

  0xc0, 0x49, 0x17, 0x32, 0x62, 0x1e, 0x2e, 0xd5, 0x4c, 0x19, 0x28, 0x49,

  0x91, 0xe4, 0x72, 0x83, 0x91, 0x3d, 0x93, 0x83, 0xb3, 0x61, 0x38

};

static unsigned char q[23] = {

  0x3e, 0x41, 0x55, 0x54, 0x4f, 0x49, 0x54, 0x20, 0x55, 0x4e, 0x49, 0x43,

  0x4f, 0x44, 0x45, 0x20, 0x53, 0x43, 0x52, 0x49, 0x50, 0x54, 0x3c

};

int

main (void)

{

  unsigned int s;

  s = 23;

  bar (p, s, s + 0xa25e);

  if (__builtin_memcmp (p, q, s) != 0)

    __builtin_abort ();

  return 0;

}