> -----Original Message----- > From: Neil Horman [mailto:nhorman at tuxdriver.com] > Sent: Friday, August 01, 2014 9:49 AM > To: dev at dpdk.org > Cc: Neil Horman; Ananyev, Konstantin; Richardson, Bruce; Thomas Monjalon > Subject: [PATCH] ixgbe: Reduce compilation to only require 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 at tuxdriver.com> > CC: "Konstantin Ananyev" <konstantin.ananyev at intel.com> > CC: Bruce Richardson <bruce.richardson at intel.com> > CC: Thomas Monjalon <thomas.monjalon at 6wind.com> > --- > lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c > b/lib/librte_pmd_ixgbe/ixgbe_rxtx_vec.c > index 09e19a3..fe39ca2 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; > -- > 1.8.3.1
Acked-by: Bruce Richardson <bruce.richardson at intel.com>
