net/ixgbe: remove fallback code for x86 non-SSE4

Since SSE4 is now part of minimum requirements for DPDK on x86, we no
longer need this fallback code.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
index 203f092..d209bb2 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
@@ -216,26 +216,11 @@ desc_to_olflags_v(__m128i descs[4], __m128i mbuf_init, uint8_t vlan_flags,
         * appropriate flags means that we have to do a shift and blend for
         * each mbuf before we do the write.
         */
-#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
-
        rearm0 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 8), 0x10);
        rearm1 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 6), 0x10);
        rearm2 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 4), 0x10);
        rearm3 = _mm_blend_epi16(mbuf_init, _mm_slli_si128(vtag1, 2), 0x10);
 
-#else
-       rearm0 = _mm_slli_si128(vtag1, 14);
-       rearm1 = _mm_slli_si128(vtag1, 12);
-       rearm2 = _mm_slli_si128(vtag1, 10);
-       rearm3 = _mm_slli_si128(vtag1, 8);
-
-       rearm0 = _mm_or_si128(mbuf_init, _mm_srli_epi64(rearm0, 48));
-       rearm1 = _mm_or_si128(mbuf_init, _mm_srli_epi64(rearm1, 48));
-       rearm2 = _mm_or_si128(mbuf_init, _mm_srli_epi64(rearm2, 48));
-       rearm3 = _mm_or_si128(mbuf_init, _mm_srli_epi64(rearm3, 48));
-
-#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
-
        /* write the rearm data and the olflags in one write */
        RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
                        offsetof(struct rte_mbuf, rearm_data) + 8);