I guess I'll need more detail about what exactly you are doing, because we use these flags to build complete OS images, including systemd, and they have been working correctly for months now.
Can you provide a small test C program that triggers this failure and a Makefile to build it? Regards, Darren On 3/3/15 12:34 PM, Benjamin Schubert wrote: > Hey, > > Yeah sorry, I still get invalid opcode (especially with systemd, which > is quite annoying). > > I tried your version and this does not work either :/ > > Any clue ? > > Le mar. 3 mars 2015 à 21:14, Darren Hart <[email protected] > <mailto:[email protected]>> a écrit : > > Can you explain what you mean by does not work? Are you still getting > illegal instructions? You may also need to set -mtune. This is what we > use for the intel-corei7-64 BSP in the Yocto Project which enables the > Nehalem and Baytrail and later CPUs (including the E3825 on the > MinnowBoard MAX): > > -march=corei7 -mtune=corei7 -mfpmath=sse -msse4.2 > > Thanks, > > Darren > > On 3/3/15 11:13 AM, Benjamin Schubert wrote: > > Hey, > > > > Sorry for the long delay. I tried with -march=corei7 without any > > success. that does not work either. > > > > Anybody found something else ? > > > > Thanks a lot > > > > Le lun. 23 févr. 2015 à 23:00, Darren Hart <[email protected] > <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>__>> a > écrit : > > > > Native uses your host CPU, if you want something tailored for the > > MinnowBoard MAX Bay Trail SoC, you should use march=corei7. > > -- > > Darren Hart > > Intel Open Source Technology Center > > > > From: Michael Jarvis <[email protected] > <mailto:[email protected]> > > <mailto:mjarvis.tx.08@gmail.__com <mailto:[email protected]>>> > > > > Reply-To: MinnowBoard Development and Community Discussion > > <elinux-minnowboard@lists.__elinux.org > <mailto:[email protected]> > > <mailto:elinux-minnowboard@__lists.elinux.org > <mailto:[email protected]>>> > > Date: Monday, February 23, 2015 at 11:53 AM > > > > To: MinnowBoard Development and Community Discussion > > <elinux-minnowboard@lists.__elinux.org > <mailto:[email protected]> > > <mailto:elinux-minnowboard@__lists.elinux.org > <mailto:[email protected]>>> > > Subject: Re: [MinnowBoard] [MinnowBoardMax] gcc flags > > > > I usually use "-mtune=native". Does that not work for you? > > > > > > > > On Sat, Feb 21, 2015 at 3:58 PM, Benjamin Schubert > > <[email protected] <mailto:[email protected]> > <mailto:ben.c.schubert@gmail.__com > <mailto:[email protected]>>> wrote: > > > > Hey everyone ! > > > > I've been strugling for a while on setting up correct gcc > > flags for the minnowboard max. > > > > I'm using GCC 4.9.2 with CFLAGS="-march=silvermont" and I > > get illegall instructions on some programs. > > > > Has anyone managed to have working CFLAGS that are not > > -march=native ? > > > > Thanks a lot > > > > _________________________________________________ > > elinux-MinnowBoard mailing list > > elinux-MinnowBoard@lists.__elinux.org > <mailto:[email protected]> > > <mailto:elinux-MinnowBoard@__lists.elinux.org > <mailto:[email protected]>> > > > http://lists.elinux.org/__mailman/listinfo/elinux-__minnowboard > <http://lists.elinux.org/mailman/listinfo/elinux-minnowboard> > > > > > > > > > > -- > > *Michael Jarvis* > > McKinney, TX USA > > http://about.me/michael.a.__jarvis > <http://about.me/michael.a.jarvis> > > _________________________________________________ > > elinux-MinnowBoard mailing list > > elinux-MinnowBoard@lists.__elinux.org > <mailto:[email protected]> > > <mailto:elinux-MinnowBoard@__lists.elinux.org > <mailto:[email protected]>> > > http://lists.elinux.org/__mailman/listinfo/elinux-__minnowboard > <http://lists.elinux.org/mailman/listinfo/elinux-minnowboard> > > > > ___________________________________________________ > > elinux-MinnowBoard mailing list > > elinux-MinnowBoard@lists.__eli__nux.org <http://elinux.org> > > <mailto:elinux-MinnowBoard@__lists.elinux.org > <mailto:[email protected]>> > > http://lists.elinux.org/____mailman/listinfo/elinux-____minnowboard > <http://lists.elinux.org/__mailman/listinfo/elinux-__minnowboard> > > <http://lists.elinux.org/__mailman/listinfo/elinux-__minnowboard > <http://lists.elinux.org/mailman/listinfo/elinux-minnowboard>> > > > > > > > > _________________________________________________ > > elinux-MinnowBoard mailing list > > elinux-MinnowBoard@lists.__elinux.org > <mailto:[email protected]> > > http://lists.elinux.org/__mailman/listinfo/elinux-__minnowboard > <http://lists.elinux.org/mailman/listinfo/elinux-minnowboard> > > > > -- > Darren Hart > Intel Open Source Technology Center > _________________________________________________ > elinux-MinnowBoard mailing list > elinux-MinnowBoard@lists.__elinux.org > <mailto:[email protected]> > http://lists.elinux.org/__mailman/listinfo/elinux-__minnowboard > <http://lists.elinux.org/mailman/listinfo/elinux-minnowboard> > > > > _______________________________________________ > elinux-MinnowBoard mailing list > [email protected] > http://lists.elinux.org/mailman/listinfo/elinux-minnowboard > -- Darren Hart Intel Open Source Technology Center _______________________________________________ elinux-MinnowBoard mailing list [email protected] http://lists.elinux.org/mailman/listinfo/elinux-minnowboard
