a2ca7c8cb9
* testsuite/libatomic.c/atomic-compare-exchange-1.c, testsuite/libatomic.c/atomic-compare-exchange-2.c, testsuite/libatomic.c/atomic-compare-exchange-3.c, testsuite/libatomic.c/atomic-compare-exchange-4.c, testsuite/libatomic.c/atomic-compare-exchange-5.c, testsuite/libatomic.c/atomic-exchange-1.c, testsuite/libatomic.c/atomic-exchange-2.c, testsuite/libatomic.c/atomic-exchange-3.c, testsuite/libatomic.c/atomic-exchange-4.c, testsuite/libatomic.c/atomic-exchange-5.c, testsuite/libatomic.c/atomic-generic.c, testsuite/libatomic.c/atomic-load-1.c, testsuite/libatomic.c/atomic-load-2.c, testsuite/libatomic.c/atomic-load-3.c, testsuite/libatomic.c/atomic-load-4.c, testsuite/libatomic.c/atomic-load-5.c, testsuite/libatomic.c/atomic-op-1.c, testsuite/libatomic.c/atomic-op-2.c, testsuite/libatomic.c/atomic-op-3.c, testsuite/libatomic.c/atomic-op-4.c, testsuite/libatomic.c/atomic-op-5.c, testsuite/libatomic.c/atomic-store-1.c, testsuite/libatomic.c/atomic-store-2.c, testsuite/libatomic.c/atomic-store-3.c, testsuite/libatomic.c/atomic-store-4.c, testsuite/libatomic.c/atomic-store-5.c: Declare main as returning int. Do not require built-in sync support or add target-specific options. * testsuite/libatomic.c/atomic-exchange-1.c, testsuite/libatomic.c/atomic-exchange-2.c, testsuite/libatomic.c/atomic-exchange-3.c, testsuite/libatomic.c/atomic-exchange-4.c, testsuite/libatomic.c/atomic-exchange-5.c: Separate increments of count from expression using value of count. From-SVN: r204953
47 lines
872 B
C
47 lines
872 B
C
/* 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_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;
|
|
}
|
|
|