+__VA_ARGS__ vnet_device_class_t x
+
+#define VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE(arch, fn, tgt) \
+ uword \
+ __attribute__ ((flatten)) \
+ __attribute__ ((target (tgt))) \
+ CLIB_CPU_OPTIMIZED \
+ fn ## _ ## arch ( vlib_main_t * vm, \
+ vlib_node_runtime_t * node, \
+ vlib_frame_t * frame) \
+ { return fn (vm, node, frame); }
+
+#define VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
+ foreach_march_variant(VLIB_DEVICE_TX_FUNCTION_CLONE_TEMPLATE, fn)
+
+#if CLIB_DEBUG > 0
+#define VLIB_MULTIARCH_CLONE_AND_SELECT_FN(fn,...)
+#define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn)
+#else
+#define VLIB_DEVICE_TX_FUNCTION_MULTIARCH(dev, fn) \
+ VLIB_DEVICE_TX_FUNCTION_MULTIARCH_CLONE(fn) \
+ CLIB_MULTIARCH_SELECT_FN(fn, static inline) \
+ static void __attribute__((__constructor__)) \
+ __vlib_device_tx_function_multiarch_select_##dev (void) \
+ { dev.tx_function = fn ## _multiarch_select(); }
+#endif
+