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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [pr37573.c] - Blame information for rev 688

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Line No. Rev Author Line
1 688 jeremybenn
/* PR tree-optimization/37573 */
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struct S
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{
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  unsigned int *a;
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  unsigned int b;
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  unsigned int c[624];
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};
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static unsigned char __attribute__((noinline))
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foo (struct S *s)
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{
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  unsigned int r;
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  if (!--s->b)
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    {
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      unsigned int *c = s->c;
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      unsigned int i;
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      s->a = c;
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      for (i = 0; i < 227; i++)
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        c[i] = ((((c[i] ^ c[i + 1]) & 0x7ffffffe) ^ c[i]) >> 1)
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            ^ ((0 - (c[i + 1] & 1)) & 0x9908b0df) ^ c[i + 397];
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    }
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  r = *(s->a++);
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  r ^= (r >> 11);
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  r ^= ((r & 0xff3a58ad) << 7);
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  r ^= ((r & 0xffffdf8c) << 15);
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  r ^= (r >> 18);
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  return (unsigned char) (r >> 1);
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}
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static void __attribute__((noinline))
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bar (unsigned char *p, unsigned int q, unsigned int r)
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{
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  struct S s;
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  unsigned int i;
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  unsigned int *c = s.c;
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  *c = r;
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  for (i = 1; i < 624; i++)
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    c[i] = i + 0x6c078965 * ((c[i - 1] >> 30) ^ c[i - 1]);
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  s.b = 1;
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  while (q--)
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    *p++ ^= foo (&s);
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};
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static unsigned char p[23] = {
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  0xc0, 0x49, 0x17, 0x32, 0x62, 0x1e, 0x2e, 0xd5, 0x4c, 0x19, 0x28, 0x49,
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  0x91, 0xe4, 0x72, 0x83, 0x91, 0x3d, 0x93, 0x83, 0xb3, 0x61, 0x38
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};
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static unsigned char q[23] = {
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  0x3e, 0x41, 0x55, 0x54, 0x4f, 0x49, 0x54, 0x20, 0x55, 0x4e, 0x49, 0x43,
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  0x4f, 0x44, 0x45, 0x20, 0x53, 0x43, 0x52, 0x49, 0x50, 0x54, 0x3c
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};
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int
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main (void)
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{
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  unsigned int s;
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  s = 23;
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  bar (p, s, s + 0xa25e);
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  if (__builtin_memcmp (p, q, s) != 0)
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    __builtin_abort ();
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  return 0;
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}
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