gcc/testsuite/gcc.target/frv/fr400-builtins-1.c

   1 /* Test prefetch support.  */
   2 /* { dg-options "-mcpu=fr400" } */
   3 /* { dg-do run } */
   4
   5 unsigned char global[64];
   6
   7 int foo (unsigned int *x, int n)
   8 {
   9   unsigned short local[16];
  10
  11   __data_prefetch0 (x);
  12   __data_prefetch0 (&x[8]);
  13   __data_prefetch0 (&x[n]);
  14   __data_prefetch0 (local);
  15   __data_prefetch0 (&local[16]);
  16   __data_prefetch0 (&local[n]);
  17   __data_prefetch0 (global);
  18   __data_prefetch0 (&global[32]);
  19   __data_prefetch0 (&global[n]);
  20 }
  21
  22 int main ()
  23 {
  24   unsigned int i[16];
  25
  26   foo (i, 2);
  27   return 0;
  28 }