From owner-freebsd-toolchain@FreeBSD.ORG  Wed Sep 12 09:58:28 2012
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Date: Wed, 12 Sep 2012 11:58:24 +0200
From: Roman Divacky <rdivacky@freebsd.org>
To: Patrick Lamaiziere <patfbsd@davenulle.org>
Message-ID: <20120912095824.GA65000@freebsd.org>
References: <20120910211207.GC64920@lor.one-eyed-alien.net>
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Cc: toolchain@freebsd.org, current@freebsd.org
Subject: Re: Clang as default compiler November 4th
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Fwiw, I plan to fix this issue, but even if I didnt. This isnt
a problem in clang rather than in llvm asm. So it can be easily
worked around by CFLAGS+=-no-integrated-as.

Roman

On Tue, Sep 11, 2012 at 11:22:44PM +0200, Patrick Lamaiziere wrote:
> Le Mon, 10 Sep 2012 16:12:07 -0500,
> Brooks Davis <brooks@freebsd.org> a ?crit :
> 
> Hello,
> 
> > For the past several years we've been working towards migrating from
> > GCC to Clang/LLVM as our default compiler.  We intend to ship FreeBSD
> > 10.0 with Clang as the default compiler on i386 and amd64 platforms.
> > To this end, we will make WITH_CLANG_IS_CC the default on i386 and
> > amd64 platforms on November 4th.
> 
> Last time I've checked on 9.X [mid August, FreeBSD clang version 3.1
> (branches/release_31 156863) 20120523], Clang still produces invalid
> code (some nopl (%eax)) for the AMD Geode LX (i586 CPU found on some
> ALIX board or Soekris NET5501). I don't know if this is also a concern
> with older CPU (Pentium 2/1) ?
> 
> http://llvm.org/bugs/show_bug.cgi?id=11212
> http://lists.freebsd.org/pipermail/freebsd-current/2011-October/028588.html
> http://www.freebsd.org/cgi/query-pr.cgi?pr=bin/168253
> 
> > What does the mean to you?
> 
> Well, I will not be able to run FreeBSD from scratch on my soekris :-)
> 
> Best regards.
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