1  /* testsuite/gcc.target/arm/pr48183.c */
       2  /* { dg-do compile } */
       3  /* { dg-skip-if "-mslow-flash-data and -mword-relocations incompatible" { *-*-* } { "-mslow-flash-data" } } */
       4  /* { dg-skip-if "-mpure-code and -mword-relocations incompatible" { *-*-* } { "-mpure-code" } } */
       5  /* { dg-options "-O2 -mword-relocations -march=armv7-a -marm" } */
       6  /* { dg-final { scan-assembler-not "\[\\t \]+movw" } } */
       7  
       8  int a, d, f;
       9  long b;
      10  struct ww_class {
      11    int stamp;
      12  } c;
      13  struct stress {
      14    int locks;
      15    int nlocks;
      16  };
      17  void *e;
      18  int atomic_add_return_relaxed(int *p1) {
      19    __builtin_prefetch(p1);
      20    return a;
      21  }
      22  void atomic_long_inc_return_relaxed(int *p1) {
      23    int *v = p1;
      24    atomic_add_return_relaxed(v);
      25  }
      26  void ww_acquire_init(struct ww_class *p1) {
      27    atomic_long_inc_return_relaxed(&p1->stamp);
      28  }
      29  void ww_mutex_lock();
      30  int *get_random_order();
      31  void stress_inorder_work() {
      32    struct stress *g = e;
      33    int h = g->nlocks;
      34    int *i = &g->locks, *j = get_random_order();
      35    do {
      36      int n;
      37      ww_acquire_init(&c);
      38    retry:
      39      for (n = 0; n < h; n++)
      40        ww_mutex_lock(i[j[n]]);
      41      f = n;
      42      if (d)
      43        goto retry;
      44    } while (b);
      45  }
      46