From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7181 invoked by alias); 13 Aug 2011 01:38:14 -0000 Received: (qmail 7173 invoked by uid 22791); 13 Aug 2011 01:38:13 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_GM 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; Sat, 13 Aug 2011 01:38:00 +0000 From: "jimis at gmx dot net" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/19832] don't remove an if when we know the value is the same as with the if (subtraction) Date: Sat, 13 Aug 2011 01:39:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: jimis at gmx dot net X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 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: 2011-08/txt/msg01217.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19832 --- Comment #2 from jimis 2011-08-13 01:37:14 UTC --- Created attachment 24996 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24996 Make cse.c:preferable() more readable, slightly faster, without affecting its logic. 2011-08-13 Dimitrios Apostolou * cse.c (preferable): Make it more readable and slightly faster, without affecting its logic.