1/* Test that __builtin_prefetch does no harm.
2
3   Prefetch using some invalid rw and locality values.  These must be
4   compile-time constants.  */
5
6/* { dg-do run } */
7
8extern void exit (int);
9
10enum locality { none, low, moderate, high, bogus };
11enum rw { read, write };
12
13int arr[10];
14
15void
16good (int *p)
17{
18  __builtin_prefetch (p, 0, 0);
19  __builtin_prefetch (p, 0, 1);
20  __builtin_prefetch (p, 0, 2);
21  __builtin_prefetch (p, 0, 3);
22  __builtin_prefetch (p, 1, 0);
23  __builtin_prefetch (p, 1, 1);
24  __builtin_prefetch (p, 1, 2);
25  __builtin_prefetch (p, 1, 3);
26}
27
28void
29bad (int *p)
30{
31  __builtin_prefetch (p, -1, 0);  /* { dg-warning "invalid second argument to '__builtin_prefetch'; using zero" } */
32  __builtin_prefetch (p, 2, 0);   /* { dg-warning "invalid second argument to '__builtin_prefetch'; using zero" } */
33  __builtin_prefetch (p, bogus, 0);   /* { dg-warning "invalid second argument to '__builtin_prefetch'; using zero" } */
34  __builtin_prefetch (p, 0, -1);  /* { dg-warning "invalid third argument to '__builtin_prefetch'; using zero" } */
35  __builtin_prefetch (p, 0, 4);   /* { dg-warning "invalid third argument to '__builtin_prefetch'; using zero" } */
36  __builtin_prefetch (p, 0, bogus);   /* { dg-warning "invalid third argument to '__builtin_prefetch'; using zero" } */
37}
38
39int
40main ()
41{
42  good (arr);
43  bad (arr);
44  exit (0);
45}
46