Subversion Repositories openrisc_me

/* Testcase to check generation of a SH2A specific instruction PREF @Rm.  */

/* { dg-do assemble {target sh*-*-*}}  */

/* { dg-options "-O0" }  */

/* { dg-skip-if "" { "sh*-*-*" } "*" "-m2a -m2a-nofpu -m2a-single -m2a-single-only" }  */

/* { dg-final { scan-assembler "pref"} }  */

void

opt (void)

{

  int *p, wk;

  int data[100];

  /* data prefetch , instructions hit the cache. */

  __builtin_prefetch (&data[0], 0, 0);

  __builtin_prefetch (&data[0], 0, 1);

  __builtin_prefetch (&data[0], 0, 2);

  __builtin_prefetch (&data[0], 0, 3);

  __builtin_prefetch (&data[0], 1, 0);

  __builtin_prefetch (&data[0], 1, 1);

  __builtin_prefetch (&data[0], 1, 2);

  __builtin_prefetch (&data[0], 1, 3);

  for (p = &data[0]; p < &data[9]; p++)

    {

      if (*p > *(p + 1))

        {

          wk = *p;

          *p = *(p + 1);

          *(p + 1) = wk;

        }

    }

}