From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6911 invoked by alias); 30 Oct 2013 18:02:16 -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 6769 invoked by uid 48); 30 Oct 2013 18:02:13 -0000 From: "ebotcazou at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/58295] [4.8/4.9 regression] Missed zero-extension elimination in the combiner Date: Wed, 30 Oct 2013 18:02:00 -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-Version: 4.9.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: ebotcazou at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: ebotcazou at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc assigned_to 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: 2013-10/txt/msg02225.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58295 Eric Botcazou changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED CC|ebotcazou at gcc dot gnu.org | Assignee|unassigned at gcc dot gnu.org |ebotcazou at gcc dot gnu.org --- Comment #9 from Eric Botcazou --- Will try something based on PROMOTE_MODE.