From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14883 invoked by alias); 1 May 2013 21:58:13 -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 14813 invoked by uid 48); 1 May 2013 21:58:10 -0000 From: "wschmidt at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/56865] [4.9 regression] FAIL: gcc.dg/vect/vect-42.c scan-tree-dump-times vect "Vectorizing an unaligned access" 4 Date: Wed, 01 May 2013 21:58:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: wschmidt 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: 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" MIME-Version: 1.0 X-SW-Source: 2013-05/txt/msg00043.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56865 Bill Schmidt changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu.org, | |wschmidt at gcc dot gnu.org --- Comment #2 from Bill Schmidt 2013-05-01 21:58:09 UTC --- I've reproduced this as well. Additionally, gcc.dg/vect/vect-96.c fails similarly. Both tests began failing at r196872: 2013-03-21 Richard Biener * tree-vect-data-refs.c (vect_update_interleaving_chain): Remove. (vect_insert_into_interleaving_chain): Likewise. (vect_drs_dependent_in_basic_block): Inline ... (vect_slp_analyze_data_ref_dependence): ... here. New function, split out from ... (vect_analyze_data_ref_dependence): ... here. Simplify. (vect_check_interleaving): Simplify. (vect_analyze_data_ref_dependences): Likewise. Split out ... (vect_slp_analyze_data_ref_dependences): ... this new function. (dr_group_sort_cmp): New function. (vect_analyze_data_ref_accesses): Compute data-reference groups here instead of in vect_analyze_data_ref_dependence. Use a more efficient algorithm. * tree-vect-slp.c (vect_slp_analyze_bb_1): Use vect_slp_analyze_data_ref_dependences. Call vect_analyze_data_ref_accesses earlier. * tree-vect-loop.c (vect_analyze_loop_2): Likewise. * tree-vectorizer.h (vect_analyze_data_ref_dependences): Adjust. (vect_slp_analyze_data_ref_dependences): New prototype. Richi, I think this commit was not intended to have any functional effect -- is that correct?