examples/l3fwd: report error when no vector engine available

If no SSE nor NEON are available the l3fwd should complain loudly
to quickly find out the reason.

Signed-off-by: Jan Viktorin <viktorin@rehivetech.com>

diff --git a/examples/l3fwd/l3fwd_em.c b/examples/l3fwd/l3fwd_em.c
index fc59243..def5a02 100644 (file)
--- a/examples/l3fwd/l3fwd_em.c
+++ b/examples/l3fwd/l3fwd_em.c
@@ -259,6 +259,8 @@ em_mask_key(void *key, xmm_t mask)
 
        return vandq_s32(data, mask);
 }
+#else
+#error No vector engine (SSE, NEON) available, check your toolchain
 #endif
 
 static inline uint8_t