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path: root/drivers/net/fm10k/fm10k_rxtx_vec.c
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Diffstat (limited to 'drivers/net/fm10k/fm10k_rxtx_vec.c')
-rw-r--r--drivers/net/fm10k/fm10k_rxtx_vec.c16
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();