Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/atomic-store-2.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* Test __atomic routines for existence and proper execution on 2 byte values with each valid memory model. */ /* { dg-do run } */ /* { dg-require-effective-target sync_char_short } */ /* Test the execution of the __atomic_store_n builtin for a short. */ extern void abort(void); short v, count; int main () { v = 0; count = 0; __atomic_store_n (&v, count + 1, __ATOMIC_RELAXED); if (v != ++count) abort (); __atomic_store_n (&v, count + 1, __ATOMIC_RELEASE); if (v != ++count) abort (); __atomic_store_n (&v, count + 1, __ATOMIC_SEQ_CST); if (v != ++count) abort (); /* Now test the generic variant. */ count++; __atomic_store (&v, &count, __ATOMIC_RELAXED); if (v != count++) abort (); __atomic_store (&v, &count, __ATOMIC_RELEASE); if (v != count++) abort (); __atomic_store (&v, &count, __ATOMIC_SEQ_CST); if (v != count) abort (); return 0; }