From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31627 invoked by alias); 12 Jul 2012 19:09:56 -0000 Received: (qmail 31618 invoked by uid 22791); 12 Jul 2012 19:09:55 -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, 12 Jul 2012 19:09:43 +0000 From: "gregpsmith at live dot co.uk" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/53938] ARM target generates sub-optimal code (extra instructions) on load from memory Date: Thu, 12 Jul 2012 19:09:00 -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: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: gregpsmith at live dot co.uk X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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: 2012-07/txt/msg00973.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53938 --- Comment #3 from Greg Smith 2012-07-12 19:09:41 UTC --- (In reply to comment #1) > Can you verify if the situation improves with GCC 4.7 or current development > trunk? I am an end user of the Rowley CrossWorks system and they are not on to 4.7 yet. I am not really set up to conveniently build my own ARM cross compiler (from Windows)... though this is not impossible. However, I see nothing in the 4.7.0 and 4.7.1 release notes to suggest that any changes have been made in this area. I recall seeing this type of code generation for several years...