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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [pr49390.c] - Blame information for rev 688

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Line No. Rev Author Line
1 688 jeremybenn
/* PR rtl-optimization/49390 */
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struct S { unsigned int s1; unsigned int s2; };
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struct T { unsigned int t1; struct S t2; };
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struct U { unsigned short u1; unsigned short u2; };
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struct V { struct U v1; struct T v2; };
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struct S a;
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char *b;
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union { char b[64]; struct V v; } u;
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volatile int v;
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extern void abort (void);
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__attribute__((noinline, noclone)) void
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foo (int x, void *y, unsigned int z, unsigned int w)
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{
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  if (x != 4 || y != (void *) &u.v.v2)
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    abort ();
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  v = z + w;
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  v = 16384;
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}
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__attribute__((noinline, noclone)) void
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bar (struct S x)
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{
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  v = x.s1;
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  v = x.s2;
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}
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__attribute__((noinline, noclone)) int
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baz (struct S *x)
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{
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  v = x->s1;
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  v = x->s2;
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  v = 0;
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  return v + 1;
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}
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__attribute__((noinline, noclone)) void
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test (struct S *c)
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{
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  struct T *d;
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  struct S e = a;
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  unsigned int f, g;
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  if (c == 0)
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    c = &e;
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  else
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    {
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      if (c->s2 % 8192 <= 15 || (8192 - c->s2 % 8192) <= 31)
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        foo (1, 0, c->s1, c->s2);
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    }
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  if (!baz (c))
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    return;
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  g = (((struct U *) b)->u2 & 2) ? 32 : __builtin_offsetof (struct V, v2);
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  f = c->s2 % 8192;
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  if (f == 0)
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    {
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      e.s2 += g;
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      f = g;
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    }
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  else if (f < g)
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    {
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      foo (2, 0, c->s1, c->s2);
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      return;
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    }
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  if ((((struct U *) b)->u2 & 1) && f == g)
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    {
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      bar (*c);
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      foo (3, 0, c->s1, c->s2);
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      return;
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    }
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  d = (struct T *) (b + c->s2 % 8192);
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  if (d->t2.s1 >= c->s1 && (d->t2.s1 != c->s1 || d->t2.s2 >= c->s2))
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    foo (4, d, c->s1, c->s2);
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  return;
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}
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int
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main ()
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{
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  struct S *c = 0;
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  asm ("" : "+r" (c) : "r" (&a));
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  u.v.v2.t2.s1 = 8192;
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  b = u.b;
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  test (c);
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  if (v != 16384)
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    abort ();
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  return 0;
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}

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