From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23828 invoked by alias); 2 Aug 2012 18:37:37 -0000 Received: (qmail 23816 invoked by uid 22791); 2 Aug 2012 18:37:36 -0000 X-SWARE-Spam-Status: No, hits=-3.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,FS_LARGE_PERCENT2,KHOP_THREADED,TW_GJ X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 02 Aug 2012 18:37:19 +0000 From: "gjl at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/52543] lower-subreg.c: code bloat of 300%-400% for multi-word memory splits Date: Thu, 02 Aug 2012 18:37:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: FIXME, missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: gjl at gcc dot gnu.org X-Bugzilla-Status: REOPENED X-Bugzilla-Priority: P4 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.1 X-Bugzilla-Changed-Fields: 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 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 X-SW-Source: 2012-08/txt/msg00142.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52543 --- Comment #11 from Georg-Johann Lay 2012-08-02 18:37:18 UTC --- Created attachment 27928 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27928 /local/gnu/patches/pr52543-undo-185605.diff Just for reference: Here is the patch that undoes the MEM->UNSPEC workaround from SVN 185605, comment #4 that I used.