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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_store_n 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;
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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 __atomic_store_n (&v, count + 1, __ATOMIC_RELAXED);
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21 if (v != ++count)
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22 abort ();
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23
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24 __atomic_store_n (&v, count + 1, __ATOMIC_RELEASE);
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25 if (v != ++count)
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26 abort ();
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27
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28 __atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST);
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29 if (v != ++count)
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30 abort ();
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31
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32 /* Now test the generic variant. */
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33 count++;
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34
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35 __atomic_store (&v, &count, __ATOMIC_RELAXED);
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36 if (v != count++)
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37 abort ();
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38
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39 __atomic_store (&v, &count, __ATOMIC_RELEASE);
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40 if (v != count++)
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41 abort ();
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42
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43 __atomic_store (&v, &count, __ATOMIC_SEQ_CST);
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44 if (v != count)
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45 abort ();
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46
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47
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48 return 0;
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49 }
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50
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