From: Neil Horman <nhorman@tuxdriver.com>
Date: Fri, 1 Aug 2014 16:48:57 +0000 (-0400)
Subject: ixgbe: require only sse3 intrinsics
X-Git-Tag: spdx-start~10470
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=8777aabc538fdac24457958eaab929f33d6c4cdf;p=dpdk.git

ixgbe: require only sse3 intrinsics

ixgbe was failing to build in the default configuration because it required
sse4.2 intrinsics, and the default config doesn't support more than sse3.
Modify the pmd so that only sse3 intrinsics are pulled in and used.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Konstantin Ananyev <konstantin.ananyev@intel.com>
CC: Thomas Monjalon <thomas.monjalon@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
---

diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
index 09e19a34e8..fe39ca2f68 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c
@@ -38,7 +38,7 @@
 #include "ixgbe_ethdev.h"
 #include "ixgbe_rxtx.h"
 
-#include <nmmintrin.h>
+#include <tmmintrin.h>
 
 #ifndef __INTEL_COMPILER
 #pragma GCC diagnostic ignored "-Wcast-qual"
@@ -338,7 +338,7 @@ ixgbe_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
 				pkt_mb1);
 
 		/* C.4 calc avaialbe number of desc */
-		var = _mm_popcnt_u64(_mm_cvtsi128_si64(staterr));
+		var = __builtin_popcountll(_mm_cvtsi128_si64(staterr));
 		nb_pkts_recd += var;
 		if (likely(var != RTE_IXGBE_DESCS_PER_LOOP))
 			break;