1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/rdfsbase-2.c b/gcc/testsuite/gcc.target/i386/rdfsbase-2.c
new file mode 100644
index 00000000000..40b8f4a999f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/rdfsbase-2.c
@@ -0,0 +1,12 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O2 -mfsgsbase" } */
+/* { dg-final { scan-assembler "rdfsbase\[ \t]+(%|)rax" } } */
+
+#include <immintrin.h>
+
+unsigned long long
+read_fs_base64 (void)
+{
+  return _readfsbase_u64 ();
+}