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-rw-r--r--src/vlib/buffer_node.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vlib/buffer_node.h b/src/vlib/buffer_node.h
index 1c4f4e7eea7..c9f4895c739 100644
--- a/src/vlib/buffer_node.h
+++ b/src/vlib/buffer_node.h
@@ -359,7 +359,7 @@ vlib_buffer_enqueue_to_next (vlib_main_t * vm, vlib_node_runtime_t * node,
next16 = (next16 == u16x16_splat (next16[0]));
u64 bitmap = u8x32_msb_mask ((u8x32) next16);
n_enqueued = count_trailing_zeros (~bitmap) / 2;
-#elif defined(CLIB_HAVE_VEC128)
+#elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_MSB_MASK)
u16x8 next8 = u16x8_load_unaligned (nexts);
next8 = (next8 == u16x8_splat (next8[0]));
u64 bitmap = u8x16_msb_mask ((u8x16) next8);