Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/atomic-flag.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* Test __atomic routines for existence and execution. */ /* { dg-do run } */ /* { dg-require-effective-target sync_char_short } */ /* Test that __atomic_test_and_set and __atomic_clear builtins execute. */ extern void abort(void); unsigned char a; int main () { int b; __atomic_clear (&a, __ATOMIC_RELAXED); if (a != 0) abort (); b = __atomic_test_and_set (&a, __ATOMIC_SEQ_CST); if (a != __GCC_ATOMIC_TEST_AND_SET_TRUEVAL || b != 0) abort (); b = __atomic_test_and_set (&a, __ATOMIC_ACQ_REL); if (a != __GCC_ATOMIC_TEST_AND_SET_TRUEVAL || b != 1) abort (); __atomic_clear (&a, __ATOMIC_SEQ_CST); if (a != 0) abort (); return 0; }