diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-06-08 09:46:51 -0600 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2017-06-08 09:51:02 -0600 |
| commit | aab0c291a90f701b60f8c9a88cbcc265cba0ec8b (patch) | |
| tree | bfa7bf9663cb9a518d81f18e3a2c792eee8fa1c8 /drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | |
| parent | ce3d555e43e3795b5d9507fcfc76b7a0a92fd0d6 (diff) | |
Imported Upstream version 16.11.2
Change-Id: I947038e46a2c747296dc7aa7522239733ca2f659
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c index abbf2841..dd7d1778 100644 --- a/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c +++ b/drivers/net/ixgbe/ixgbe_rxtx_vec_sse.c @@ -335,9 +335,13 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, __m128i descs[RTE_IXGBE_DESCS_PER_LOOP]; __m128i pkt_mb1, pkt_mb2, pkt_mb3, pkt_mb4; __m128i zero, staterr, sterr_tmp1, sterr_tmp2; - __m128i mbp1, mbp2; /* two mbuf pointer in one XMM reg. */ + /* 2 64 bit or 4 32 bit mbuf pointers in one XMM reg. */ + __m128i mbp1; +#if defined(RTE_ARCH_X86_64) + __m128i mbp2; +#endif - /* B.1 load 1 mbuf point */ + /* B.1 load 2 (64 bit) or 4 (32 bit) mbuf points */ mbp1 = _mm_loadu_si128((__m128i *)&sw_ring[pos]); /* Read desc statuses backwards to avoid race condition */ @@ -345,11 +349,13 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, descs[3] = _mm_loadu_si128((__m128i *)(rxdp + 3)); rte_compiler_barrier(); - /* B.2 copy 2 mbuf point into rx_pkts */ + /* B.2 copy 2 64 bit or 4 32 bit mbuf point into rx_pkts */ _mm_storeu_si128((__m128i *)&rx_pkts[pos], mbp1); - /* B.1 load 1 mbuf point */ +#if defined(RTE_ARCH_X86_64) + /* B.1 load 2 64 bit mbuf points */ mbp2 = _mm_loadu_si128((__m128i *)&sw_ring[pos+2]); +#endif descs[2] = _mm_loadu_si128((__m128i *)(rxdp + 2)); rte_compiler_barrier(); @@ -358,8 +364,10 @@ _recv_raw_pkts_vec(struct ixgbe_rx_queue *rxq, struct rte_mbuf **rx_pkts, rte_compiler_barrier(); descs[0] = _mm_loadu_si128((__m128i *)(rxdp)); +#if defined(RTE_ARCH_X86_64) /* B.2 copy 2 mbuf point into rx_pkts */ _mm_storeu_si128((__m128i *)&rx_pkts[pos+2], mbp2); +#endif if (split_packet) { rte_mbuf_prefetch_part2(rx_pkts[pos]); |