diff options
Diffstat (limited to 'libatomic/testsuite/libatomic.c/atomic-load-1.c')
-rw-r--r-- | libatomic/testsuite/libatomic.c/atomic-load-1.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libatomic/testsuite/libatomic.c/atomic-load-1.c b/libatomic/testsuite/libatomic.c/atomic-load-1.c new file mode 100644 index 0000000..928f9b0 --- /dev/null +++ b/libatomic/testsuite/libatomic.c/atomic-load-1.c @@ -0,0 +1,66 @@ +/* Test __atomic routines for existence and proper execution on 1 byte + values with each valid memory model. */ +/* { dg-do run } */ +/* { dg-require-effective-target sync_char_short } */ + + +/* Test the execution of the __atomic_load_n builtin for a char. */ + +extern void abort(void); + +char 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; +} + |