From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21927 invoked by alias); 29 Jul 2013 20:49:20 -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 21840 invoked by uid 48); 29 Jul 2013 20:49:17 -0000 From: "bernd.edlinger at hotmail dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/57748] [4.8/4.9 Regression] ICE on ARM with -mfloat-abi=softfp -mfpu=neon Date: Mon, 29 Jul 2013 20:49:00 -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: 4.8.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: bernd.edlinger at hotmail dot de X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.2 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: 2013-07/txt/msg01441.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57748 --- Comment #6 from Bernd Edlinger --- (In reply to Martin Jambor from comment #5) > expand_assignment, offset as filled in get_inner_reference is the same, > however get_object_alignment (tem) used to return 64, and now only returns > 32 which then pushes us the wrong path which does not handle this case. So > now I guess I should figure out why get_object_alignment thinks the > alignment is so small... hhmm.. set_ptr_info_alignment is always called with align=4, and by the way, the crash goes away if I change this line (but I cannot tell if the code is correct): --- builtins.c.jj 2013-07-06 11:34:17.000000000 +0200 +++ builtins.c 2013-07-29 21:50:56.000000000 +0200 @@ -503,7 +503,7 @@ get_pointer_alignment_1 (tree exp, unsig *bitposp = ptr_misalign * BITS_PER_UNIT; *alignp = ptr_align * BITS_PER_UNIT; /* We cannot really tell whether this result is an approximation. */ - return true; + return false; } else {