trunk/gcc/testsuite/gcc.dg/vect/pr33833.c

   1 /* Testcase by Martin Michlmayr <tbm@cyrius.com> */
   2 /* { dg-do compile } */
   3
   4 #define signed
   5 typedef unsigned __PTRDIFF_TYPE__ uintptr_t;
   6 #undef signed
   7
   8 struct list_head
   9 {
  10   struct list_head *prev;
  11 };
  12 struct prio_array
  13 {
  14   struct list_head queue[100];
  15 };
  16 struct rq
  17 {
  18   struct prio_array *active, arrays[2];
  19 } per_cpu__runqueues;
  20
  21 void sched_init (uintptr_t __ptr)
  22 {
  23   int j, k;
  24   struct prio_array *array;
  25   struct rq *rq;
  26   rq = (&(*( { (typeof (&per_cpu__runqueues)) (__ptr); } )));
  27   for (j = 0; j < 2; j++)
  28   {
  29     array = rq->arrays + j;
  30     for (k = 0; k < 100; k++)
  31         (array->queue + k)->prev = array->queue;
  32   }
  33 }
  34
  35 /* { dg-final { cleanup-tree-dump "vect" } } */