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111
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1 /* Test generic __atomic routines for proper function calling.
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2 memory model. */
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3 /* { dg-options "-w" } */
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4 /* { dg-do run } */
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5 /* { dg-additional-sources "atomic-generic-aux.c" } */
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6
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7 /* Test that the generioc atomic builtins execute as expected..
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8 sync-mem-generic-aux.c supplies a functional external entry point for
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9 the 4 generic functions. */
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10
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11 #include <stdlib.h>
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12 #include <stdbool.h>
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13 #include <string.h>
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14
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15 extern void abort();
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16
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17 typedef struct test {
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18 int array[10];
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19 } test_struct;
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20
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21 test_struct zero = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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22 test_struct ones = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
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23 test_struct a,b;
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24
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25 int size = sizeof (test_struct);
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26 /* Test for consistency on sizes 1, 2, 4, 8, 16 and 32. */
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27 int
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28 main ()
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29 {
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30 test_struct c;
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31
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32 __atomic_store (&a, &zero, __ATOMIC_RELAXED);
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33 if (memcmp (&a, &zero, size))
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34 abort ();
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35
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36 __atomic_exchange (&a, &ones, &c, __ATOMIC_SEQ_CST);
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37 if (memcmp (&c, &zero, size))
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38 abort ();
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39 if (memcmp (&a, &ones, size))
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40 abort ();
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41
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42 __atomic_load (&a, &b, __ATOMIC_RELAXED);
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43 if (memcmp (&b, &ones, size))
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44 abort ();
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45
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46 if (!__atomic_compare_exchange (&a, &b, &zero, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
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47 abort();
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48 if (memcmp (&a, &zero, size))
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49 abort ();
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50
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51 if (__atomic_compare_exchange (&a, &b, &ones, false, __ATOMIC_SEQ_CST, __ATOMIC_ACQUIRE))
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52 abort();
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53 if (memcmp (&b, &zero, size))
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54 abort ();
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55
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56 return 0;
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57 }
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58
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