From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20031 invoked by alias); 6 Feb 2014 13:04:06 -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 19994 invoked by uid 48); 6 Feb 2014 13:04:01 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/60090] For expression without ~, gcc -O1 emits "comparison of promoted ~unsigned with unsigned" Date: Thu, 06 Feb 2014 13:04:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek 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: --- 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: 2014-02/txt/msg00586.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D60090 --- Comment #6 from Marek Polacek --- (In reply to Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez from comment #5) > http://gcc.gnu.org/ml/gcc/2013-11/msg00253.html Exactly. I hope I can tackle at least a part of it in next stage 1. > In those cases where folding helps to avoid false positives, it would be = nice > to be able to still fold on-demand or to delay the warnings until folding= can=20 > happen. Sure. >>From gcc-bugs-return-442831-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Feb 06 13:06:27 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 21878 invoked by alias); 6 Feb 2014 13:06:26 -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 21801 invoked by uid 48); 6 Feb 2014 13:06:21 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/60092] posix_memalign not recognized to derive alias and alignment info Date: Thu, 06 Feb 2014 13:06:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.9.0 X-Bugzilla-Keywords: alias, missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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: 2014-02/txt/msg00588.txt.bz2 Content-length: 375 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092 --- Comment #5 from Richard Biener --- Created attachment 32066 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32066&action=edit part #2, C11 aligned_alloc It was noted that aligned_alloc is standard enough to be supported (and with nicer interface albeit possibly clobbering errno ...).