From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [PATCH 3/3] net: run-time function selection
Date: Fri, 19 Jan 2018 00:43:09 +0100
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References: <1509991543-26521-1-git-send-email-elza.mathew@intel.com>
 <20171211153116.GA12544@bricha3-MOBL3.ger.corp.intel.com>
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Cc: dev@dpdk.org, jasvinder.singh@intel.com
To: Bruce Richardson <bruce.richardson@intel.com>,
 Elza Mathew <elza.mathew@intel.com>
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11/12/2017 16:31, Bruce Richardson:
> On Mon, Nov 06, 2017 at 10:05:43AM -0800, Elza Mathew wrote:
> > Compile-time function selection can potentially lead to
> > lower performance on generic builds done by distros.
> > Replaced compile time flag checks with run-time
> > function selection.
> > 
> > Signed-off-by: Elza Mathew <elza.mathew@intel.com>
> > ---
> >  lib/librte_net/rte_net_crc.c | 22 +++++++++++++---------
> >  1 file changed, 13 insertions(+), 9 deletions(-)
> > 
> Patch looks good to me, but unfortunately the compilation testing shows
> an issue with clang compliation on FreeBSD 10. I've also tested with gcc
> on both BSD 10 and 11 and saw no issues, and BSD 11 clang compilation is
> also fine. 
> 
> The compilation error is due to missing _mm_clmulepi64_si128 instrinsic:
> In file included from /home/patchWorkOrg/compilation/lib/librte_net/rte_net_crc.c:43:
> /home/patchWorkOrg/compilation/lib/librte_net/net_crc_sse.h:81:17: error: implicit declaration of function '_mm_clmulepi64_si128' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
>         __m128i tmp0 = _mm_clmulepi64_si128(fold, precomp, 0x01);

Any update please?