* Merge from mainline rev 181122.transactional-memory

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/transactional-memory@181148 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 29 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/atomic-invalid.c b/gcc/testsuite/gcc.dg/atomic-invalid.c
new file mode 100644
index 00000000000..2b73c91e7c0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/atomic-invalid.c
@@ -0,0 +1,29 @@
+/* Test __atomic routines for invalid memory model errors. This only needs
+   to be tested on a single size.  */
+/* { dg-do compile } */
+/* { dg-require-effective-target sync_int_long } */
+
+#include <stddef.h>
+
+int i, e, b;
+size_t s;
+
+main ()
+{
+  __atomic_compare_exchange_n (&i, &e, 1, 0, __ATOMIC_RELAXED, __ATOMIC_SEQ_CST); /* { dg-error "failure memory model cannot be stronger" } */
+  __atomic_compare_exchange_n (&i, &e, 1, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELEASE); /* { dg-error "invalid failure memory" } */
+  __atomic_compare_exchange_n (&i, &e, 1, 1, __ATOMIC_SEQ_CST, __ATOMIC_ACQ_REL); /* { dg-error "invalid failure memory" } */
+
+  __atomic_exchange_n (&i, 1, __ATOMIC_CONSUME); /* { dg-error "invalid memory model" } */
+
+  __atomic_load_n (&i, __ATOMIC_RELEASE); /* { dg-error "invalid memory model" } */
+  __atomic_load_n (&i, __ATOMIC_ACQ_REL); /* { dg-error "invalid memory model" } */
+
+  __atomic_store_n (&i, 1, __ATOMIC_ACQUIRE); /* { dg-error "invalid memory model" } */
+  __atomic_store_n (&i, 1, __ATOMIC_CONSUME); /* { dg-error "invalid memory model" } */
+  __atomic_store_n (&i, 1, __ATOMIC_ACQ_REL); /* { dg-error "invalid memory model" } */
+
+  i = __atomic_always_lock_free (s, NULL); /* { dg-error "non-constant argument" } */
+
+  __atomic_load_n (&i, 44); /* { dg-warning "invalid memory model" } */
+}