Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/atomic-flag.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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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; }