1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/nios2/nios2-rdwrctl-1.c b/gcc/testsuite/gcc.target/nios2/nios2-rdwrctl-1.c
new file mode 100644
index 0000000000..922942ab98
--- /dev/null
+++ b/gcc/testsuite/gcc.target/nios2/nios2-rdwrctl-1.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+
+volatile int res;
+
+void x ()
+{
+  __builtin_wrctl (0, res);
+  __builtin_wrctl (15, res);
+  __builtin_wrctl (31, res);
+
+  res = __builtin_rdctl (0);
+  res = __builtin_rdctl (15);
+  res = __builtin_rdctl (31);
+}