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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [20080723-1.c] - Blame information for rev 318

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Line No. Rev Author Line
1 318 jeremybenn
/* { dg-do run } */
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/* { dg-options "-O2" } */
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extern void abort (void);
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extern void exit (int);
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static inline __attribute__((always_inline))
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void
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prefetch (void *x)
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{
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  asm volatile("prefetcht0 %0" : : "m" (*(unsigned long *)x));
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}
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struct hlist_head
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{
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  struct hlist_node *first;
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};
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struct hlist_node
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{
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  struct hlist_node *next;
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  unsigned long i_ino;
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};
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struct hlist_node * find_inode_fast(struct hlist_head *head, unsigned long ino)
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{
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  struct hlist_node *node;
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  for (node = head->first;
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       node && (prefetch (node->next), 1);
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       node = node->next)
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    {
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      if (node->i_ino == ino)
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        break;
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    }
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  return node ? node : 0;
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}
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struct hlist_node g2;
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struct hlist_node g1 = { &g2 };
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struct hlist_head h = { &g1 };
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int
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main()
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{
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  if (find_inode_fast (&h, 1) != 0)
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    abort ();
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  exit (0);
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}

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