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111
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1 /* Test __atomic routines for existence and proper execution on 2 byte
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2 values with each valid memory model. */
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3 /* { dg-do run } */
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4 /* { dg-require-effective-target sync_char_short } */
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5
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6
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7 /* Test the execution of the __atomic_load_n builtin for a short. */
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8
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9 extern void abort(void);
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10
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11 short v, count;
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12
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13
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14 int
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15 main ()
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16 {
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17 v = 0;
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18 count = 0;
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19
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20 if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++)
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21 abort();
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22 else
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23 v++;
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24
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25 if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++)
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26 abort();
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27 else
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28 v++;
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29
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30 if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++)
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31 abort();
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32 else
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33 v++;
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34
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35 if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++)
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36 abort();
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37 else
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38 v++;
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39
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40 /* Now test the generic variants. */
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41
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42 __atomic_load (&v, &count, __ATOMIC_RELAXED);
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43 if (count != v)
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44 abort();
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45 else
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46 v++;
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47
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48 __atomic_load (&v, &count, __ATOMIC_ACQUIRE);
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49 if (count != v)
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50 abort();
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51 else
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52 v++;
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53
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54 __atomic_load (&v, &count, __ATOMIC_CONSUME);
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55 if (count != v)
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56 abort();
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57 else
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58 v++;
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59
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60 __atomic_load (&v, &count, __ATOMIC_SEQ_CST);
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61 if (count != v)
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62 abort();
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63 else
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64 v++;
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65
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66
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67 return 0;
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68 }
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69
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