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annotate gcc/testsuite/gcc.dg/atomic-flag.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
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111
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1 /* Test __atomic routines for existence and execution. */
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2 /* { dg-do run } */
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3 /* { dg-require-effective-target sync_char_short } */
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4
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5 /* Test that __atomic_test_and_set and __atomic_clear builtins execute. */
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6
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7 extern void abort(void);
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8 unsigned char a;
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9
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10 int
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11 main ()
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12 {
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13 int b;
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14
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15 __atomic_clear (&a, __ATOMIC_RELAXED);
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16 if (a != 0)
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17 abort ();
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18
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19 b = __atomic_test_and_set (&a, __ATOMIC_SEQ_CST);
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20 if (a != __GCC_ATOMIC_TEST_AND_SET_TRUEVAL || b != 0)
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21 abort ();
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22
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23 b = __atomic_test_and_set (&a, __ATOMIC_ACQ_REL);
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24 if (a != __GCC_ATOMIC_TEST_AND_SET_TRUEVAL || b != 1)
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25 abort ();
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26
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27 __atomic_clear (&a, __ATOMIC_SEQ_CST);
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28 if (a != 0)
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29 abort ();
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30
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31 return 0;
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32 }