From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2027 invoked by alias); 31 May 2012 04:40:28 -0000 Received: (qmail 2019 invoked by uid 22791); 31 May 2012 04:40:27 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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, 31 May 2012 04:40:13 +0000 From: "hp at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/53535] non-aligned memset on non-strict-alignment !SLOW_UNALIGNED_ACCESS targets not optimized where aligned memset is Date: Thu, 31 May 2012 04:43:00 -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-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: hp at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Summary 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: 2012-05/txt/msg02905.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53535 Hans-Peter Nilsson changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|non-aligned memset on |non-aligned memset on |non-strict-alignment |non-strict-alignment |targets not optimized where |!SLOW_UNALIGNED_ACCESS |aligned memset is |targets not optimized where | |aligned memset is --- Comment #4 from Hans-Peter Nilsson 2012-05-31 04:40:12 UTC --- (In reply to comment #2) > Unless the loading of unalignment makes it much slower. Well, yes, I missed adding !SLOW_UNALIGNED_ACCESS in the title. :)