RTE_ACL_CLASSIFY_SSE = 2, /**< requires SSE4.1 support. */
RTE_ACL_CLASSIFY_AVX2 = 3, /**< requires AVX2 support. */
RTE_ACL_CLASSIFY_NEON = 4, /**< requires NEON support. */
+ RTE_ACL_CLASSIFY_ALTIVEC = 5, /**< requires ALTIVEC support. */
RTE_ACL_CLASSIFY_NUM /* should always be the last one. */
};