gcc/testsuite/gcc.dg/torture/pr59038.c

   1 /* { dg-do run } */
   2
   3 extern void abort (void);
   4
   5 unsigned char first_ones_8bit[256];
   6 unsigned char connected_passed[256];
   7
   8 int
   9 main ()
  10 {
  11   int i, j;
  12   for (i=0;i<256;i++){
  13       connected_passed[i]=0;
  14       first_ones_8bit[i]=0;
  15       for (j=7;j>0;j--){
  16           if ((i & (3<<(7-j))) == (3<<(7-j))){
  17               connected_passed[i]=j;
  18               break;
  19           }
  20       }
  21   }
  22   if (connected_passed[3] != 7)
  23     abort ();
  24   return 0;
  25 }