gcc/testsuite/gcc.dg/pr108306.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2  -fno-strict-overflow -fsanitize=shift -Warray-bounds" } */
   3
   4 enum psi_task_count {
   5         NR_IOWAIT,
   6         NR_PSI_TASK_COUNTS = 4,
   7 };
   8
   9 unsigned int tasks[NR_PSI_TASK_COUNTS];
  10
  11 static void psi_group_change(unsigned int set)
  12 {
  13         unsigned int t;
  14         unsigned int state_mask = 0;
  15
  16         for (t = 0; set; set &= ~(1 << t), t++)
  17                 if (set & (1 << t))
  18                         tasks[t]++;
  19 }
  20
  21 void psi_task_switch(int sleep)
  22 {
  23         int set = 0;
  24
  25         if (sleep)
  26                 set |= (1 << NR_IOWAIT);
  27
  28         psi_group_change(set);
  29 }