From owner-freebsd-current@FreeBSD.ORG Mon Sep 27 14:56:51 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9BBA81065670; Mon, 27 Sep 2010 14:56:51 +0000 (UTC) (envelope-from olivier@gid0.org) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 3EF2E8FC15; Mon, 27 Sep 2010 14:56:51 +0000 (UTC) Received: by iwn34 with SMTP id 34so6096269iwn.13 for ; Mon, 27 Sep 2010 07:56:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.231.11.193 with SMTP id u1mr7295967ibu.113.1285599410337; Mon, 27 Sep 2010 07:56:50 -0700 (PDT) Received: by 10.231.168.202 with HTTP; Mon, 27 Sep 2010 07:56:49 -0700 (PDT) In-Reply-To: References: <4C99A53E.7060707@FreeBSD.org> <4C9A32B8.60204@kkip.pl> <4C9A6A38.4080307@freebsd.org> <4C9A7203.8010701@kkip.pl> <20100923065134.GA31455@freebsd.org> <4C9B3207.2070302@kkip.pl> <4CA0743F.8050408@FreeBSD.org> Date: Mon, 27 Sep 2010 16:56:49 +0200 Message-ID: From: Olivier Smedts To: Dimitry Andric Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Rene Ladan , Roman Divacky , Bartosz Stec , current@freebsd.org Subject: Re: Clang now builds world and kernel, on i386 and amd64 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Sep 2010 14:56:51 -0000 2010/9/27 Olivier Smedts : > 2010/9/27 Dimitry Andric : >> On 2010-09-27 09:32, Olivier Smedts wrote: >>> >>> 2010/9/23 Bartosz Stec: >> >> ... >>>> >>>> Assertion failed: (false&& =A0"Ran out of registers during register >>>> allocation!"), function assignRegOrStackSlotAtInterval, file >>>> >>>> /usr/src/lib/clang/libllvmcodegen/../../../contrib/llvm/lib/CodeGen/Re= gAllocLinearScan.cpp, >>>> line 1196. >> >> ... >>> >>> Same error here with yesterday's -CURRENT, but not at the same time >>> (the running system was compiled using gcc) : >> >> As with Bartosz, could you please remove the CPU-specific flags from >> make.conf, and try again? > > Ok, I'll post the results later (it was the same with -DNDEBUG). Was not OK with : CPUTYPE=3Dathlon-xp CFLAGS=3D-O2 -pipe -march=3Dnative -fomit-frame-pointer NO_CPU_CFLAGS=3Dyes COPTFLAGS=3D-O2 -pipe -march=3Dnative -fomit-frame-pointer NO_CPU_COPTFLAGS=3Dyes Is OK with : CPUTYPE=3Dathlon-xp CFLAGS=3D-O2 -pipe -fomit-frame-pointer NO_CPU_CFLAGS=3Dyes COPTFLAGS=3D-O2 -pipe -fomit-frame-pointer NO_CPU_COPTFLAGS=3Dyes I'll try with other -march (i686 and athlon) and post results. >> I guess there is something borked in LLVM's Athlon optimization, so it >> is probably better to not try to tickly those bugs for now. >> >> >> >>> # grep -vE '^#|^$' /etc/make.conf >>> KERNCONF=3DXPC >>> CPUTYPE=3Dathlon-xp >>> CFLAGS=3D-O2 -pipe -march=3Dnative -fomit-frame-pointer >> >> Using CPUTYPE=3D and -march=3D seems a bit redundant. :) > > Not with NO_CPU_CFLAGS=3Dyes and NO_CPU_COPTFLAGS=3Dyes (if you want to > use -march=3Dnative, that's the best thing to do). > >> >>> clang -c -O2 -pipe -march=3Dnative -fomit-frame-pointer -DIN_GCC >>> -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED =A0-DHAVE_GTHR_DEFAULT >>> -I/usr/src/gnu/lib/libgcc/../../../contrib/gcclibs/include >>> -I/usr/src/gnu/lib/libgcc/../../../contrib/gcc/config >>> -I/usr/src/gnu/lib/libgcc/../../../contrib/gcc -I. >>> -I/usr/src/gnu/lib/libgcc/../../usr.bin/cc/cc_tools -std=3Dgnu99 >>> -fvisibility=3Dhidden -DHIDE_EXPORTS -fPIC -fexceptions -D__GLIBC__=3D3 >>> -DElfW=3D__ElfN -o unwind-dw2.o >>> /usr/src/gnu/lib/libgcc/../../../contrib/gcc/unwind-dw2.c >>> Assertion failed: (!spillIs.empty()&& =A0"No spill intervals?"), >>> function assignRegOrStackSlotAtInterval, file >>> >>> /usr/src/lib/clang/libllvmcodegen/../../../contrib/llvm/lib/CodeGen/Reg= AllocLinearScan.cpp, >>> line 1287. >> >> I haven't yet seen this one before. =A0If I can reproduce it, I will >> report it upstream, and see if they can come up with a fix. Anything I can provide to help with that ? > > Thanks ! > > -- > Olivier Smedts=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 _ > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 ASCII ribbon campaign ( ) > e-mail: olivier@gid0.org=A0 =A0 =A0 =A0 - against HTML email & vCards=A0 = X > www: http://www.gid0.org=A0 =A0 - against proprietary attachments / \ > > =A0 "Il y a seulement 10 sortes de gens dans le monde : > =A0 ceux qui comprennent le binaire, > =A0 et ceux qui ne le comprennent pas." > --=20 Olivier Smedts=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 _ =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 ASCII ribbon campaign ( ) e-mail: olivier@gid0.org=A0 =A0 =A0 =A0 - against HTML email & vCards=A0 X www: http://www.gid0.org=A0 =A0 - against proprietary attachments / \ =A0 "Il y a seulement 10 sortes de gens dans le monde : =A0 ceux qui comprennent le binaire, =A0 et ceux qui ne le comprennent pas."