a2ca7c8cb9
* testsuite/libatomic.c/atomic-compare-exchange-1.c, testsuite/libatomic.c/atomic-compare-exchange-2.c, testsuite/libatomic.c/atomic-compare-exchange-3.c, testsuite/libatomic.c/atomic-compare-exchange-4.c, testsuite/libatomic.c/atomic-compare-exchange-5.c, testsuite/libatomic.c/atomic-exchange-1.c, testsuite/libatomic.c/atomic-exchange-2.c, testsuite/libatomic.c/atomic-exchange-3.c, testsuite/libatomic.c/atomic-exchange-4.c, testsuite/libatomic.c/atomic-exchange-5.c, testsuite/libatomic.c/atomic-generic.c, testsuite/libatomic.c/atomic-load-1.c, testsuite/libatomic.c/atomic-load-2.c, testsuite/libatomic.c/atomic-load-3.c, testsuite/libatomic.c/atomic-load-4.c, testsuite/libatomic.c/atomic-load-5.c, testsuite/libatomic.c/atomic-op-1.c, testsuite/libatomic.c/atomic-op-2.c, testsuite/libatomic.c/atomic-op-3.c, testsuite/libatomic.c/atomic-op-4.c, testsuite/libatomic.c/atomic-op-5.c, testsuite/libatomic.c/atomic-store-1.c, testsuite/libatomic.c/atomic-store-2.c, testsuite/libatomic.c/atomic-store-3.c, testsuite/libatomic.c/atomic-store-4.c, testsuite/libatomic.c/atomic-store-5.c: Declare main as returning int. Do not require built-in sync support or add target-specific options. * testsuite/libatomic.c/atomic-exchange-1.c, testsuite/libatomic.c/atomic-exchange-2.c, testsuite/libatomic.c/atomic-exchange-3.c, testsuite/libatomic.c/atomic-exchange-4.c, testsuite/libatomic.c/atomic-exchange-5.c: Separate increments of count from expression using value of count. From-SVN: r204953
49 lines
905 B
C
49 lines
905 B
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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/* Test the execution of the __atomic_store_n builtin for a long long. */
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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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__atomic_store_n (&v, count + 1, __ATOMIC_RELAXED);
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if (v != ++count)
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abort ();
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__atomic_store_n (&v, count + 1, __ATOMIC_RELEASE);
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if (v != ++count)
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abort ();
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__atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST);
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if (v != ++count)
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abort ();
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/* Now test the generic variant. */
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count++;
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__atomic_store (&v, &count, __ATOMIC_RELAXED);
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if (v != count++)
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abort ();
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__atomic_store (&v, &count, __ATOMIC_RELEASE);
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if (v != count++)
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abort ();
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__atomic_store (&v, &count, __ATOMIC_SEQ_CST);
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if (v != count)
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abort ();
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return 0;
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}
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