From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18481 invoked by alias); 8 May 2009 12:12:11 -0000 Received: (qmail 18462 invoked by uid 22791); 8 May 2009 12:12:10 -0000 X-SWARE-Spam-Status: No, hits=-1.6 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS X-Spam-Check-By: sourceware.org Received: from ey-out-1920.google.com (HELO ey-out-1920.google.com) (74.125.78.146) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 08 May 2009 12:12:06 +0000 Received: by ey-out-1920.google.com with SMTP id 3so392389eyh.14 for ; Fri, 08 May 2009 05:12:03 -0700 (PDT) MIME-Version: 1.0 Received: by 10.210.13.17 with SMTP id 17mr265240ebm.64.1241784723522; Fri, 08 May 2009 05:12:03 -0700 (PDT) In-Reply-To: <20090508095200.19449.qmail@sourceware.org> References: <20090508095200.19449.qmail@sourceware.org> Date: Fri, 08 May 2009 12:12:00 -0000 Message-ID: Subject: Re: [Bug tree-optimization/40062] [4.3/4.4/4.5 Regression] high memory usage and compile time in SCEV cprop with -O3 From: Sebastian Pop To: gcc-bugzilla@gcc.gnu.org Cc: gcc-bugs@gcc.gnu.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes 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: 2009-05/txt/msg00666.txt.bz2 > + =C2=A0 =C2=A0 =C2=A0/* Increase the limit by the PHI argument number to= avoid exponential > + =C2=A0 =C2=A0 =C2=A0 =C2=A0time and memory complexity. =C2=A0*/ This looks good. Thanks, Sebastian