From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27191 invoked by alias); 25 Aug 2014 10:07:38 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 27161 invoked by uid 48); 25 Aug 2014 10:07:28 -0000 From: "kugan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/62254] New: gcc-4.9 miscompiles linux kernel zlib for armv3 Date: Mon, 25 Aug 2014 10:07:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kugan at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-08/txt/msg01685.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D62254 Bug ID: 62254 Summary: gcc-4.9 miscompiles linux kernel zlib for armv3 Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: kugan at gcc dot gnu.org Created attachment 33392 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D33392&action=3Dedit testcase rm-none-linux-gnueabi-gcc -O -march=3Darmv3 inffast.i=20 inffast.i: In function =E2=80=98inflate_fast=E2=80=99: inffast.i:385:1: internal compiler error: Segmentation fault } ^ 0x9b878f crash_signal /home/kugan/work/sources/gcc-fsf/trunk/gcc/toplev.c:337 0xc90cf6 arm_reload_in_hi(rtx_def**) /home/kugan/work/sources/gcc-fsf/trunk/gcc/config/arm/arm.c:15279 0xd025cc gen_reload_inhi(rtx_def*, rtx_def*, rtx_def*) /home/kugan/work/sources/gcc-fsf/trunk/gcc/config/arm/arm.md:6346 0x89ca2b insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*) const /home/kugan/work/sources/gcc-fsf/trunk/gcc/recog.h:309 0x89ca2b check_and_process_move /home/kugan/work/sources/gcc-fsf/trunk/gcc/lra-constraints.c:1163 0x89ca2b curr_insn_transform /home/kugan/work/sources/gcc-fsf/trunk/gcc/lra-constraints.c:3270 0x89d5ac lra_constraints(bool) /home/kugan/work/sources/gcc-fsf/trunk/gcc/lra-constraints.c:4200 0x88a59f lra(_IO_FILE*) /home/kugan/work/sources/gcc-fsf/trunk/gcc/lra.c:2189 0x848da6 do_reload /home/kugan/work/sources/gcc-fsf/trunk/gcc/ira.c:5306 0x848da6 execute /home/kugan/work/sources/gcc-fsf/trunk/gcc/ira.c:5465 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See for instructions. arm-none-linux-gnueabi-gcc -v Using built-in specs. COLLECT_GCC=3D/home/kugan/work/builds/gcc-fsf-trunk/tools/bin/arm-none-linu= x-gnueabi-gcc COLLECT_LTO_WRAPPER=3D/home/kugan/work/builds/gcc-fsf-trunk/tools/libexec/g= cc/arm-none-linux-gnueabi/5.0.0/lto-wrapper Target: arm-none-linux-gnueabi Configured with: /home/kugan/work/sources/gcc-fsf/trunk/configure --target=3Darm-none-linux-gnueabi --prefix=3D/home/kugan/work/builds/gcc-fsf-trunk/tools --with-sysroot=3D/home/kugan/work/builds/gcc-fsf-trunk/sysroot-arm-none-lin= ux-gnueabi --disable-libssp --disable-libgomp --disable-libmudflap --disable-libatomic --disable-libquadmath --without-libquadmath --enable-languages=3Dc --with-arch=3Darmv7-a --with-fpu=3Dvfpv3-d16 --with-float=3Dsoftfp --with-t= humb Thread model: posix gcc version 5.0.0 20140820 (experimental) (GCC) >>From gcc-bugs-return-459189-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Aug 25 10:19:59 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 304 invoked by alias); 25 Aug 2014 10:19:58 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 32734 invoked by uid 48); 25 Aug 2014 10:19:51 -0000 From: "kugan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/62254] gcc-4.9 miscompiles linux kernel zlib for armv3 Date: Mon, 25 Aug 2014 10:19:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: kugan at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-08/txt/msg01686.txt.bz2 Content-length: 170 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 --- Comment #1 from kugan at gcc dot gnu.org --- Imported from LP https://bugs.launchpad.net/gcc-linaro/+bug/1307197