From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 107804 invoked by alias); 8 Oct 2015 13:41:06 -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 107739 invoked by uid 48); 8 Oct 2015 13:41:01 -0000 From: "ubizjak at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/67124] [6 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu Date: Thu, 08 Oct 2015 13:41:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 6.0 X-Bugzilla-Keywords: ra X-Bugzilla-Severity: normal X-Bugzilla-Who: ubizjak at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 6.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: 2015-10/txt/msg00589.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D67124 --- Comment #13 from Uro=C5=A1 Bizjak --- Almost identical problem is reported in PR 67609, but with: (insn 7 6 0 (set (subreg:DF (reg/v:TI 90 [ v ]) 0) (reg/v:DF 88 [ b ])) pr67609.c:8 -1 (nil)) >>From gcc-bugs-return-499035-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Oct 08 14:26:51 2015 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 40207 invoked by alias); 8 Oct 2015 14:26:50 -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 39280 invoked by uid 48); 8 Oct 2015 14:26:42 -0000 From: "clyon at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/67843] experimental/filesystem/iterators/directory_iterator.cc fails on armv5t Date: Thu, 08 Oct 2015 14:26:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: clyon at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: redi 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: 2015-10/txt/msg00590.txt.bz2 Content-length: 391 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67843 --- Comment #7 from Christophe Lyon --- You are probably correct: I recompiled my cross-toolchain to default to armv5t and the test now passes. (as opposed to armv7-a toolchain + -march=armv5t to compile the testcase). I agree that a linker error would be good, though I don't fully understand your patch :-)