From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20490 invoked by alias); 29 Apr 2006 06:14:35 -0000 Received: (qmail 20481 invoked by uid 22791); 29 Apr 2006 06:14:34 -0000 X-Spam-Check-By: sourceware.org Received: from nz-out-0102.google.com (HELO nz-out-0102.google.com) (64.233.162.197) by sourceware.org (qpsmtpd/0.31) with ESMTP; Sat, 29 Apr 2006 06:14:32 +0000 Received: by nz-out-0102.google.com with SMTP id i11so2206394nzi for ; Fri, 28 Apr 2006 23:14:30 -0700 (PDT) Received: by 10.65.153.13 with SMTP id f13mr1671433qbo; Fri, 28 Apr 2006 23:14:30 -0700 (PDT) Received: from ?192.168.0.150? ( [24.72.131.65]) by mx.gmail.com with ESMTP id e15sm787908qba.2006.04.28.23.14.29; Fri, 28 Apr 2006 23:14:30 -0700 (PDT) Message-ID: <4453042B.3040005@gmail.com> Date: Sat, 29 Apr 2006 23:54:00 -0000 From: R Hill User-Agent: Thunderbird 1.5.0.2 (X11/20060423) MIME-Version: 1.0 To: Nick Clifton CC: "H. J. Lu" , aoliva@redhat.com, binutils@sources.redhat.com Subject: Re: can't build x86-32 libc on x86-64 with mainline binutils References: <20060302183313.GB29439@lucon.org> <44081538.7070304@redhat.com> In-Reply-To: <44081538.7070304@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact binutils-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: binutils-owner@sourceware.org X-SW-Source: 2006-04/txt/msg00429.txt.bz2 Nick Clifton wrote: >> Anyhow, here's the testcase: >> >> .tfloat 0.3465735902799726547086160 > > Ah ha - difficult to reproduce but yes I now get: > > foo.s: Assembler messages: > foo.s:1: Fatal error: failed sanity check > > Note - this bug does not seem to have stopped me from building gcc with > the mainline sources, but then I am not configuring with glibc in the > same way as you and there are probably some other differences in our > build environments as well. > > I assume however that this must be a gcc bug - ie it has miscompiled > gas. Have you investigated further yet ? We've hit this as well on x86 and x86_64, but in a different spot. x86_64-pc-linux-gnu-gcc ../sysdeps/x86_64/fpu/s_expm1l.S -c -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES -I../include -I/var/tmp/portage/glibc-2.4-r2/work/build-amd64-x86_64-pc-linux-gnu-nptl/math -I/var/tmp/portage/glibc-2.4-r2/work/build-amd64-x86_64-pc-linux-gnu-nptl -I../sysdeps/x86_64/elf -I../nptl/sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/x86_64 -I../sysdeps/unix/sysv/linux/wordsize-64 -I../ports/sysdeps/unix/sysv/linux -I../nptl/sysdeps/unix/sysv/linux -I../nptl/sysdeps/pthread -I../sysdeps/pthread -I../sysdeps/unix/sysv/linux -I../sysdeps/gnu -I../sysdeps/unix/common -I../sysdeps/unix/mman -I../sysdeps/unix/inet -I../ports/sysdeps/unix/sysv -I../nptl/sysdeps/unix/sysv -I../sysdeps/unix/sysv -I../sysdeps/unix/x86_64 -I../ports/sysdeps/unix -I../nptl/sysdeps/unix -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/x86_64/fpu -I../nptl/sysdeps/x86_64 -I../sysdeps/x86_64 -I../sysdeps/wordsize-64 -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754 -I../sysdeps/generic/elf -I../sysdeps/generic -I../ports -I../nptl -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0-pre20060421/include -isystem /usr/include -D_LIBC_REENTRANT -include ../include/libc-symbols.h -DNOT_IN_libc=1 -DIS_IN_libm=1 -DASSEMBLER -Wa,--noexecstack -Wa,--noexecstack -o /var/tmp/portage/glibc-2.4-r2/work/build-amd64-x86_64-pc-linux-gnu-nptl/math/s_expm1l.o -MD -MP -MF /var/tmp/portage/glibc-2.4-r2/work/build-amd64-x86_64-pc-linux-gnu-nptl/math/s_expm1l.o.dt -MT /var/tmp/portage/glibc-2.4-r2/work/build-amd64-x86_64-pc-linux-gnu-nptl/math/s_expm1l.o ../sysdeps/x86_64/fpu/s_expm1l.S: Assembler messages: ../sysdeps/x86_64/fpu/s_expm1l.S:40: Fatal error: failed sanity check Testcase is: .tfloat 1.442695040888963407359924681002 Glibc is 2.4, configured with: configure --disable-nls --disable-stackguard-randomization --enable-old-ssp-compat --enable-omitfp --with-tls --with-__thread --enable-add-ons=ports,nptl,c_stubs,libidn --enable-kernel=2.6.11 --without-selinux --without-cvs --enable-bind-now --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --disable-profile --without-gd --with-headers=/usr/include --prefix=/usr --libdir=/usr/lib64 --mandir=/usr/share/man --infodir=/usr/share/info --libexecdir=/usr/lib64/misc/glibc Binutils is 2.16.92, configured with: configure --prefix=/usr --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --datadir=/usr/share/binutils-data/x86_64-pc-linux-gnu/2.16.92 --infodir=/usr/share/binutils-data/x86_64-pc-linux-gnu/2.16.92/info --mandir=/usr/share/binutils-data/x86_64-pc-linux-gnu/2.16.92/man --bindir=/usr/x86_64-pc-linux-gnu/binutils-bin/2.16.92 --libdir=/usr/lib64/binutils/x86_64-pc-linux-gnu/2.16.92 --libexecdir=/usr/lib64/binutils/x86_64-pc-linux-gnu/2.16.92 --includedir=/usr/lib64/binutils/x86_64-pc-linux-gnu/2.16.92/include --enable-64-bit-bfd --enable-shared --disable-werror --disable-nls --build=x86_64-pc-linux-gnu and GCC is 20060428 svn: Using built-in specs. Target: x86_64-pc-linux-gnu Configured with: /var/tmp/portage/gcc-4.2.0_pre20060428/work/gcc-4.2.0-20060428/configure --prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.2.0-pre20060428 --includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0-pre20060428/include --datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.2.0-pre20060428 --mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.2.0-pre20060428/man --infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.2.0-pre20060428/info --with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.2.0-pre20060428/include/g++-v4 --host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec --disable-nls --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --disable-multilib --disable-libmudflap --disable-libssp --disable-libgcj --enable-languages=c,c++ --enable-shared --enable-threads=posix --enable-bootstrap --enable-__cxa_atexit --enable-clocale=gnu Thread model: posix gcc version 4.2.0-pre20060428 (experimental) Has there been any progress on this or has there been a PR opened against GCC? --de.