From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2617 invoked by alias); 2 Sep 2014 12:17:58 -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 2562 invoked by uid 48); 2 Sep 2014 12:17:54 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/62283] basic-block vectorization fails Date: Tue, 02 Sep 2014 12:17:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 4.8.2 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal 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: 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: 2014-09/txt/msg00835.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62283 --- Comment #20 from Richard Biener --- (In reply to Rainer Orth from comment #17) > Created attachment 33434 [details] > bb-slp-26.c.120t.slp1 dump For this we see /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/vect/bb-slp-26.c:19:14: note: Build SLP failed: unsupported unaligned load _12 = *src_132; which means that SPARC VIS has no unalign scheme implemented (well, the only valid one for basic-block vect being unaligned HW loads). Not sure if that was intended for the testcase. A fix is to see how arm manages to pass this (it isn't a hw_misalign target - ah, but it only requires aligned vector elements - vect_element_align). So again a testsuite bug, it should require vect_element_align (which includes hw_misalign targets).