From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14771 invoked by alias); 7 Dec 2012 13:39:57 -0000 Received: (qmail 12098 invoked by uid 48); 7 Dec 2012 13:39:12 -0000 From: "zadeck at naturalbridge dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/52573] [4.6/4.7/4.8 regression] regrename creates overlapping register allocations for output operands Date: Fri, 07 Dec 2012 13:39:00 -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: X-Bugzilla-Severity: normal X-Bugzilla-Who: zadeck at naturalbridge dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.4 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: 2012-12/txt/msg00713.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52573 --- Comment #7 from Kenneth Zadeck 2012-12-07 13:39:10 UTC --- alexandre, when we did the dataflow stuff, my expertise was primarily in deciding which problems could be applied to which of the passes and how and when to actually (re)solve the equations. i left most of the scanning of the actual rtl to people like stevenb, richard sandiford, bonzini and dannyb. This question is really beyond my level of rtl expertise and i would get one of the first three involved if i were you. sorry kenny