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66 lines
1.0 KiB
C
66 lines
1.0 KiB
C
/* Test __atomic routines for existence and proper execution on 8 byte
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values with each valid memory model. */
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/* { dg-do run } */
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/* { dg-options "" } */
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extern void abort(void);
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long long v, count;
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int
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main ()
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{
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v = 0;
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count = 0;
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if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++)
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abort();
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else
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v++;
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if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++)
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abort();
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else
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v++;
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if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++)
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abort();
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else
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v++;
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if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++)
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abort();
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else
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v++;
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/* Now test the generic variants. */
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__atomic_load (&v, &count, __ATOMIC_RELAXED);
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if (count != v)
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abort();
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else
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v++;
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__atomic_load (&v, &count, __ATOMIC_ACQUIRE);
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if (count != v)
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abort();
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else
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v++;
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__atomic_load (&v, &count, __ATOMIC_CONSUME);
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if (count != v)
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abort();
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else
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v++;
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__atomic_load (&v, &count, __ATOMIC_SEQ_CST);
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if (count != v)
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abort();
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else
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v++;
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return 0;
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}
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