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

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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>
This commit is contained in:
Bruce Richardson 2017-06-20 16:23:10 +01:00 committed by Thomas Monjalon
parent 80477544fd
commit 5ea4d4688d
1 changed files with 0 additions and 15 deletions
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15
drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c
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@ -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);