modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/20061005-1.c (about)

     1  /* PR target/28924 */
     2  
     3  char c;
     4  
     5  void
     6  testc (void)
     7  {
     8    (void) __sync_fetch_and_add (&c, -1);
     9  }
    10  
    11  short s;
    12  
    13  void
    14  tests (void)
    15  {
    16    (void) __sync_fetch_and_add (&s, -1);
    17  }
    18  
    19  void
    20  testc2 (void)
    21  {
    22    (void) __sync_val_compare_and_swap (&c, -1, -3);
    23  }