From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3157 invoked by alias); 2 Mar 2015 18:13:31 -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 3098 invoked by uid 48); 2 Mar 2015 18:13:27 -0000 From: "msebor at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug testsuite/63175] [4.9/5 regression] FAIL: gcc.dg/vect/costmodel/ppc/costmodel-bb-slp-9a.c scan-tree-dump-times slp2" basic block vectorized using SLP" 1 Date: Mon, 02 Mar 2015 18:13:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: testsuite X-Bugzilla-Version: 4.9.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: msebor at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.3 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: 2015-03/txt/msg00181.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63175 --- Comment #22 from Martin Sebor --- (In reply to rguenther@suse.de from comment #21) > >g: > > .quad .L.g,.TOC.@tocbase > > .previous > > .type g, @function > >.L.g: > > addis 9,2,.LC1@toc@ha > > addis 10,2,.LC0@toc@ha > > addi 9,9,.LC1@toc@l > > lxvw4x 32,0,9 > > ld 9,.LC0@toc@l(10) > > li 10,4 > > stxvw4x 32,9,10 > > But isn't this simply wrong-code?! I don't see anything wrong with it. The load seems straightforward enough and, AFAICS, the store code matches the stxvw4x example in the PowerISA 2.07 reference (in Storing an Unaligned Quadword to Big-Endian Storage on page 360). r9 is the address of B and r10 is the byte offset of B[1] from B.