1 /* Test that __builtin_prefetch does no harm.
3 Prefetch using some invalid rw and locality values. These must be
4 compile-time constants. */
8 enum locality { none, low, moderate, high, bogus };
9 enum rw { read, write };
16 __builtin_prefetch (p, 0, 0);
17 __builtin_prefetch (p, 0, 1);
18 __builtin_prefetch (p, 0, 2);
19 __builtin_prefetch (p, 0, 3);
20 __builtin_prefetch (p, 1, 0);
21 __builtin_prefetch (p, 1, 1);
22 __builtin_prefetch (p, 1, 2);
23 __builtin_prefetch (p, 1, 3);
29 __builtin_prefetch (p, -1, 0); /* { dg-warning "invalid second arg to __builtin_prefetch; using zero" } */
30 __builtin_prefetch (p, 2, 0); /* { dg-warning "invalid second arg to __builtin_prefetch; using zero" } */
31 __builtin_prefetch (p, bogus, 0); /* { dg-warning "invalid second arg to __builtin_prefetch; using zero" } */
32 __builtin_prefetch (p, 0, -1); /* { dg-warning "invalid third arg to __builtin_prefetch; using zero" } */
33 __builtin_prefetch (p, 0, 4); /* { dg-warning "invalid third arg to __builtin_prefetch; using zero" } */
34 __builtin_prefetch (p, 0, bogus); /* { dg-warning "invalid third arg to __builtin_prefetch; using zero" } */