--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.target/arm/simd/bf16_dot_2.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */
+/* { dg-add-options arm_v8_2a_bf16_neon } */
+
+#include "arm_neon.h"
+
+float32x2_t
+test_vbfdot_lane_f32_a (float32x2_t r, bfloat16x4_t a, bfloat16x4_t b)
+{
+  /* { dg-error "lane -1 out of range 0 - 1" "" {target *-*-*} 0 } */
+  return vbfdot_lane_f32 (r, a, b, -1);
+}
+
+float32x2_t
+test_vbfdot_lane_f32_b (float32x2_t r, bfloat16x4_t a, bfloat16x4_t b)
+{
+  /* { dg-error "lane 2 out of range 0 - 1" "" {target *-*-*} 0 } */
+  return vbfdot_lane_f32 (r, a, b, 2);
+}
+
+float32x2_t
+test_vbfdot_laneq_f32_a (float32x2_t r, bfloat16x4_t a, bfloat16x8_t b)
+{
+  /* { dg-error "lane -1 out of range 0 - 3" "" { target *-*-* } 0 } */
+  return vbfdot_laneq_f32 (r, a, b, -1);
+}
+
+float32x2_t
+test_vbfdot_laneq_f32_b (float32x2_t r, bfloat16x4_t a, bfloat16x8_t b)
+{
+  /* { dg-error "lane 4 out of range 0 - 3" "" { target *-*-* } 0 } */
+  return vbfdot_laneq_f32 (r, a, b, 4);
+}