gcc-7.3.0HEADgcc-7.3.0master

1 files changed, 44 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/atomic/stdatomic-load-4.c b/gcc/testsuite/gcc.dg/atomic/stdatomic-load-4.c
new file mode 100644
index 0000000000..bc26a5238d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/atomic/stdatomic-load-4.c
@@ -0,0 +1,44 @@
+/* Test atomic_load routines for existence and proper execution on
+   8-byte values with each valid memory model.  */
+/* { dg-do run } */
+/* { dg-options "-std=c11 -pedantic-errors" } */
+
+#include <stdatomic.h>
+
+extern void abort (void);
+
+_Atomic long long v;
+long long count;
+
+int
+main ()
+{
+  v = 0;
+  count = 0;
+
+  if (atomic_load_explicit (&v, memory_order_relaxed) != count++)
+    abort ();
+  else
+    v++;
+
+  if (atomic_load_explicit (&v, memory_order_acquire) != count++)
+    abort ();
+  else
+    v++;
+
+  if (atomic_load_explicit (&v, memory_order_consume) != count++)
+    abort ();
+  else
+    v++;
+
+  if (atomic_load_explicit (&v, memory_order_seq_cst) != count++)
+    abort ();
+  else
+    v++;
+
+  if (atomic_load (&v) != count)
+    abort ();
+
+  return 0;
+}
+