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From: Lincoln Lavoie <lylavoie@iol.unh.edu>
To: David Marchand <david.marchand@redhat.com>
Cc: Ferruh Yigit <ferruh.yigit@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>,
	"Rong, Leyi" <leyi.rong@intel.com>,
	 "thomas@monjalon.net" <thomas@monjalon.net>,
	"Richardson, Bruce" <bruce.richardson@intel.com>,
	 "talshn@nvidia.com" <talshn@nvidia.com>,
	"Kadam, Pallavi" <pallavi.kadam@intel.com>,
	 "Menon, Ranjit" <ranjit.menon@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	 "aconole@redhat.com" <aconole@redhat.com>,
	"dev@dpdk.org" <dev@dpdk.org>, "ci@dpdk.org" <ci@dpdk.org>
Subject: Re: [dpdk-dev] [dpdk-ci] [PATCH v2] net/i40e: fix avx code error on MinGW
Date: Thu, 4 Feb 2021 16:57:21 -0500	[thread overview]
Message-ID: <CAOE1vsPX9BaMN2zYm9z3Qz8D1tp+z=rJC6OCefjjgjQWG5amwA@mail.gmail.com> (raw)
In-Reply-To: <CAJFAV8z_w9pu3uZA1XONSK-OFDPRv1LOwWvfu7CehqZhKuF+7A@mail.gmail.com>

Hi All,

The jobs for Windows compile are running, so it may just be the patch
hasn't caught up in the queue.

Cheers,
Lincoln

On Thu, Feb 4, 2021 at 8:43 AM David Marchand <david.marchand@redhat.com>
wrote:

> On Thu, Feb 4, 2021 at 1:36 PM Ferruh Yigit <ferruh.yigit@intel.com>
> wrote:
> >
> > On 2/4/2021 10:41 AM, Zhang, Qi Z wrote:
> > >
> > >
> > >> -----Original Message-----
> > >> From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
> > >> Sent: Wednesday, February 3, 2021 7:08 AM
> > >> To: Rong, Leyi <leyi.rong@intel.com>
> > >> Cc: david.marchand@redhat.com; Zhang, Qi Z <qi.z.zhang@intel.com>;
> Yigit,
> > >> Ferruh <ferruh.yigit@intel.com>; thomas@monjalon.net; Richardson,
> Bruce
> > >> <bruce.richardson@intel.com>; talshn@nvidia.com; Kadam, Pallavi
> > >> <pallavi.kadam@intel.com>; Menon, Ranjit <ranjit.menon@intel.com>;
> Xing,
> > >> Beilei <beilei.xing@intel.com>; aconole@redhat.com; dev@dpdk.org;
> > >> ci@dpdk.org
> > >> Subject: Re: [dpdk-dev] [PATCH v2] net/i40e: fix avx code error on
> MinGW
> > >>
> > >> On Tue,  2 Feb 2021 22:32:58 +0800, Leyi Rong wrote:
> > >>> Adds extra cflags '-fno-asynchronous-unwind-tables'
> > >>> to avoid the MinGW build error:
> > >>>     Error: invalid register for .seh_savexmm
> > >>>
> > >>> Fixes: 5c38c33f7880 ("net/i40e: disable AVX512 with MinGW")
> > >>>
> > >>> Signed-off-by: Leyi Rong <leyi.rong@intel.com>
> > >>
> > >> Tested-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
> > >>
> > >> Re: -fno-asynchronous-unwind-tables, when cross-compiling from Linux,
> I
> > >> observe bit-to-bit identical i40e_rxtx_vec_avx512.c.obj. My guess it
> that this
> > >> option somehow affects GCC inlining heuristics. Similar issue existed
> in
> > >> librte_acl (at least a year ago win GCC 6, I believe), where GCC
> generated
> > >> incorrect code unless certain functions had been inlined (caught by
> test app).
> > >> No an AVX expert, just my 2c.
> > >
> > > Applied to dpdk-next-net-intel.
> > >
> >
> > Hi Thomas, David,
> >
> > Do you prefer to get this directly to the main repo, since it is fixing
> the
> > windows build?
>
> I have no issue with the main branch for mingw.
> The windows builds at UNH seem unavailable, so we can wait for the
> next-net merge.
>
>
> --
> David Marchand
>
>

-- 
*Lincoln Lavoie*
Principal Engineer, Broadband Technologies
21 Madbury Rd., Ste. 100, Durham, NH 03824
lylavoie@iol.unh.edu
https://www.iol.unh.edu
+1-603-674-2755 (m)
<https://www.iol.unh.edu>

      reply	other threads:[~2021-02-04 21:59 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  9:06 [dpdk-dev] [PATCH] net/i40e: disable AVX512 with MinGW Leyi Rong
2021-02-02  9:30 ` Thomas Monjalon
2021-02-02 10:24 ` Bruce Richardson
2021-02-02 14:13   ` Tal Shnaiderman
2021-02-02 14:31     ` Rong, Leyi
2021-02-02 14:32 ` [dpdk-dev] [PATCH v2] net/i40e: fix avx code error on MinGW Leyi Rong
2021-02-02 23:07   ` Dmitry Kozlyuk
2021-02-04 10:41     ` Zhang, Qi Z
2021-02-04 12:36       ` Ferruh Yigit
2021-02-04 12:59         ` Thomas Monjalon
2021-02-04 13:43         ` David Marchand
2021-02-04 21:57           ` Lincoln Lavoie [this message]

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