From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10925 invoked by alias); 15 Apr 2013 18:47:05 -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 10538 invoked by uid 48); 15 Apr 2013 18:47:01 -0000 From: "manu at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/18501] [4.7/4.8/4.9 Regression] Missing 'used uninitialized' warning (CCP) Date: Mon, 15 Apr 2013 18:47:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: minor X-Bugzilla-Who: manu at gcc dot gnu.org X-Bugzilla-Status: REOPENED X-Bugzilla-Priority: P5 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.4 X-Bugzilla-Changed-Fields: CC Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-SW-Source: 2013-04/txt/msg01496.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D18501 Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ppluzhnikov at google dot | |com --- Comment #61 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez 2013-04-15 18:46:59 UTC --- *** Bug 56972 has been marked as a duplicate of this bug. *** >>From gcc-bugs-return-420350-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Apr 15 18:47:03 2013 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 10577 invoked by alias); 15 Apr 2013 18:47:03 -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 10381 invoked by uid 48); 15 Apr 2013 18:47:00 -0000 From: "manu at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/56972] Missing "may be used uninitialized" warning for "obvious" uninitialized Date: Mon, 15 Apr 2013 18:47:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: manu at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status CC Resolution Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-SW-Source: 2013-04/txt/msg01495.txt.bz2 Content-length: 837 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D56972 Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |manu at gcc dot gnu.org Resolution| |DUPLICATE --- Comment #1 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez 2013-04-15 18:46:59 UTC --- Infamous PR18501. With: ~/test1/197214/build/gcc/cc1 -Wall -Wextra -O1 pr56972.c -fdump-tree-all-li= neno you can see that pr56972.c.020t.copyrename1 contains the uninit use but pr56972.c.021t.ccp1 has removed it. *** This bug has been marked as a duplicate of bug 18501 *** >>From gcc-bugs-return-420352-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Mon Apr 15 19:37:33 2013 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 2993 invoked by alias); 15 Apr 2013 19:37:33 -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 2929 invoked by uid 48); 15 Apr 2013 19:37:29 -0000 From: "pthaugen at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/56921] [4.9 Regression] ICE in rtx_cost called by doloop_optimize_loops for PPC Date: Mon, 15 Apr 2013 19:37:00 -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-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: pthaugen at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 X-SW-Source: 2013-04/txt/msg01497.txt.bz2 Content-length: 708 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56921 --- Comment #13 from Pat Haugen 2013-04-15 19:37:27 UTC --- (In reply to comment #12) > (In reply to comment #11) > > Created attachment 29877 [details] > > patch papering over the issue with TODO_do_not_ggc_collect > > > > Patch papering over (restoring non-GC collect) attached. Not exactly the > > best solution as garbage is then again not collected during the in some > > cases memory expensive passes. > > Fixes ICE while building libgfortran for arm-*-*. > Also, no regressions on arm-none-eabi tested with qemu. This also fixes the testsuite failures and numerous spec build failures on powerpc.