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Message-ID: <alpine.LFD.0.9999.0710261115130.3186@localhost.localdomain> Date: Fri, 26 Oct 2007 11:16:25 +0200 (CEST) From: Thomas Gleixner <tglx@...utronix.de> To: Michael Lothian <mike@...eburn.co.uk> cc: linux-kernel@...r.kernel.org Subject: Re: Possibility of adding -march=native to x86 On Thu, 25 Oct 2007, Michael Lothian wrote: > Hi > > I was wondering if it was possible to add -march=native support to the > processor options of the new x86 architecture if gcc 4.2 or greater is being > used. > > I'm not suggesting this should be a default at all, merely an extra option > similar to selecting P4, Athlon or even -Os. > > I've manually tried this flag at home with no ill effects. It works for your specific setup, but it will kill distro compiles as well as cross compiling. tglx - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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