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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [sh/] [sh2a-prefetch.c] - Blame information for rev 816

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Line No. Rev Author Line
1 325 jeremybenn
/* Testcase to check generation of a SH2A specific instruction PREF @Rm.  */
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/* { dg-do assemble {target sh*-*-*}}  */
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/* { dg-options "-O0" }  */
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/* { dg-skip-if "" { "sh*-*-*" } "*" "-m2a -m2a-nofpu -m2a-single -m2a-single-only" }  */
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/* { dg-final { scan-assembler "pref"} }  */
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void
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opt (void)
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{
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  int *p, wk;
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  int data[100];
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  /* data prefetch , instructions hit the cache. */
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  __builtin_prefetch (&data[0], 0, 0);
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  __builtin_prefetch (&data[0], 0, 1);
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  __builtin_prefetch (&data[0], 0, 2);
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  __builtin_prefetch (&data[0], 0, 3);
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  __builtin_prefetch (&data[0], 1, 0);
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  __builtin_prefetch (&data[0], 1, 1);
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  __builtin_prefetch (&data[0], 1, 2);
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  __builtin_prefetch (&data[0], 1, 3);
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  for (p = &data[0]; p < &data[9]; p++)
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    {
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      if (*p > *(p + 1))
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        {
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          wk = *p;
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          *p = *(p + 1);
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          *(p + 1) = wk;
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        }
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    }
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}

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