gcc-4_9/gcc/testsuite/gcc.target/mips/r10k-cache-barrier-9.c

   1 /* { dg-options "-mr10k-cache-barrier=store -G8" } */
   2
   3 /* Test that out-of-range stores to components of static objects
   4    are protected by a cache barrier.  */
   5
   6 struct { struct { char i[4]; } a; struct { char j[4]; } b; } s;
   7
   8 NOMIPS16 void
   9 foo (int sel1, int sel2, int sel3)
  10 {
  11   if (sel1)
  12     s.a.i[8] = 1;
  13   if (sel2)
  14     s.b.j[4] = 100;
  15   if (sel3)
  16     s.a.i[-1] = 0;
  17 }
  18
  19 /* { dg-final { scan-assembler-times "\tcache\t" 3 } } */