gcc/testsuite/gcc.dg/pr69238.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fno-dce -fno-forward-propagate -fno-rerun-cse-after-loop -funroll-loops" } */
   3
   4
   5 #define N 32
   6
   7 short sa[N];
   8 short sb[N];
   9 int ia[N];
  10 int ib[N];
  11
  12 int __attribute__ ((noinline, noclone))
  13 main1 (int n)
  14 {
  15   int i;
  16   for (i = 0; i < n; i++)
  17     {
  18       sa[i+7] = sb[i];
  19       ia[i+3] = ib[i+1];
  20     }
  21   return 0;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   return main1 (N-7);
  28 }