Mercurial > hg > CbC > CbC_gcc
view libatomic/testsuite/libatomic.c/atomic-exchange-2.c @ 120:f93fa5091070
fix conv1.c
author | mir3636 |
---|---|
date | Thu, 08 Mar 2018 14:53:42 +0900 |
parents | 04ced10e8804 |
children |
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/* Test __atomic routines for existence and proper execution on 2 byte values with each valid memory model. */ /* { dg-do run } */ /* Test the execution of the __atomic_X builtin for a short. */ extern void abort(void); short v, count, ret; int main () { v = 0; count = 0; if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELAXED) != count) abort (); count++; if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQUIRE) != count) abort (); count++; if (__atomic_exchange_n (&v, count + 1, __ATOMIC_RELEASE) != count) abort (); count++; if (__atomic_exchange_n (&v, count + 1, __ATOMIC_ACQ_REL) != count) abort (); count++; if (__atomic_exchange_n (&v, count + 1, __ATOMIC_SEQ_CST) != count) abort (); count++; /* Now test the generic version. */ count++; __atomic_exchange (&v, &count, &ret, __ATOMIC_RELAXED); if (ret != count - 1 || v != count) abort (); count++; __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQUIRE); if (ret != count - 1 || v != count) abort (); count++; __atomic_exchange (&v, &count, &ret, __ATOMIC_RELEASE); if (ret != count - 1 || v != count) abort (); count++; __atomic_exchange (&v, &count, &ret, __ATOMIC_ACQ_REL); if (ret != count - 1 || v != count) abort (); count++; __atomic_exchange (&v, &count, &ret, __ATOMIC_SEQ_CST); if (ret != count - 1 || v != count) abort (); count++; return 0; }