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111
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1 /* Test __atomic routines for existence and proper execution on 8 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_long_long_runtime } */
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5 /* { dg-options "" } */
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6 /* { dg-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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7
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8 /* Test the execution of the __atomic_X builtin for a long_long. */
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9
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10 extern void abort(void);
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11
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12 long long v, count, ret;
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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_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count)
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21 abort ();
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22 count++;
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23
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24 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count)
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25 abort ();
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26 count++;
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27
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28 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count)
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29 abort ();
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30 count++;
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31
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32 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count)
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33 abort ();
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34 count++;
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35
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36 if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count)
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37 abort ();
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38 count++;
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39
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40 /* Now test the generic version. */
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41
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42 count++;
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43
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44 __atomic_exchange (&v, &count, &ret, __ATOMIC_RELAXED);
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45 if (ret != count - 1 || v != count)
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46 abort ();
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47 count++;
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48
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49 __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQUIRE);
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50 if (ret != count - 1 || v != count)
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51 abort ();
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52 count++;
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53
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54 __atomic_exchange (&v, &count, &ret, __ATOMIC_RELEASE);
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55 if (ret != count - 1 || v != count)
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56 abort ();
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57 count++;
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58
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59 __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQ_REL);
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60 if (ret != count - 1 || v != count)
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61 abort ();
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62 count++;
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63
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64 __atomic_exchange (&v, &count, &ret, __ATOMIC_SEQ_CST);
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65 if (ret != count - 1 || v != count)
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66 abort ();
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67 count++;
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68
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69 return 0;
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70 }
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