diff options
Diffstat (limited to 'drivers/net/fm10k/fm10k_rxtx_vec.c')
| -rw-r--r-- | drivers/net/fm10k/fm10k_rxtx_vec.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/fm10k/fm10k_rxtx_vec.c b/drivers/net/fm10k/fm10k_rxtx_vec.c index 27f3e43f..3d216526 100644 --- a/drivers/net/fm10k/fm10k_rxtx_vec.c +++ b/drivers/net/fm10k/fm10k_rxtx_vec.c @@ -470,9 +470,13 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, __m128i descs0[RTE_FM10K_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. */ + __m128i mbp1; + /* 2 64 bit or 4 32 bit mbuf pointers in one XMM reg. */ +#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 *)&mbufp[pos]); /* Read desc statuses backwards to avoid race condition */ @@ -480,11 +484,13 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, descs0[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 poitns */ mbp2 = _mm_loadu_si128((__m128i *)&mbufp[pos+2]); +#endif descs0[2] = _mm_loadu_si128((__m128i *)(rxdp + 2)); rte_compiler_barrier(); @@ -493,8 +499,10 @@ fm10k_recv_raw_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts, rte_compiler_barrier(); descs0[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 /* avoid compiler reorder optimization */ rte_compiler_barrier(); |