diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/atomic-load-4.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/atomic-load-4.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/atomic-load-4.c b/gcc/testsuite/gcc.dg/atomic-load-4.c new file mode 100644 index 00000000000..5cb7659da70 --- /dev/null +++ b/gcc/testsuite/gcc.dg/atomic-load-4.c @@ -0,0 +1,65 @@ +/* Test __atomic routines for existence and proper execution on 8 byte + values with each valid memory model. */ +/* { dg-do run } */ +/* { dg-require-effective-target sync_long_long } */ +/* { dg-options "" } */ + +extern void abort(void); + +long long v, count; + +main () +{ + v = 0; + count = 0; + + if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++) + abort(); + else + v++; + + if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++) + abort(); + else + v++; + + if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++) + abort(); + else + v++; + + if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++) + abort(); + else + v++; + + /* Now test the generic variants. */ + + __atomic_load (&v, &count, __ATOMIC_RELAXED); + if (count != v) + abort(); + else + v++; + + __atomic_load (&v, &count, __ATOMIC_ACQUIRE); + if (count != v) + abort(); + else + v++; + + __atomic_load (&v, &count, __ATOMIC_CONSUME); + if (count != v) + abort(); + else + v++; + + __atomic_load (&v, &count, __ATOMIC_SEQ_CST); + if (count != v) + abort(); + else + v++; + + + return 0; +} + |