gcc/testsuite/gcc.dg/20061124-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target sync_char_short } */
   3 /* { dg-options "-mcpu=v9" { target sparc*-*-* } } */
   4
   5 /* This testcase failed on s390 because no compare instruction for
   6    the check of FLAG was emitted.  */
   7
   8 unsigned short int count = 0;
   9 int flag = 1;
  10
  11 extern void abort (void);
  12 extern void exit (int);
  13
  14 int
  15 main ()
  16 {
  17   __sync_add_and_fetch (&count, -1);
  18
  19   if (!flag)
  20     abort ();
  21   exit (0);
  22 }