From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15620 invoked by alias); 2 Apr 2010 15:05:14 -0000 Received: (qmail 14562 invoked by alias); 2 Apr 2010 15:04:54 -0000 Date: Fri, 02 Apr 2010 15:05:00 -0000 Message-ID: <20100402150454.14561.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/43629] [4.3/4.4/4.5 Regression] Struct to register optimization fails In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenther at suse dot de" 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: 2010-04/txt/msg00222.txt.bz2 ------- Comment #5 from rguenther at suse dot de 2010-04-02 15:04 ------- Subject: Re: [4.3/4.4/4.5 Regression] Struct to register optimization fails On Fri, 2 Apr 2010, julien dot etienne at gmail dot com wrote: > ------- Comment #4 from julien dot etienne at gmail dot com 2010-04-02 15:03 ------- > What about using -O1 -fno-tree-ccp as a workaround rather than -O1 > -fno-tree-rsa ? > Isn't it more efficient and more related to the root cause ? > > Thanks for your help. > > FYI: I was unable to check out the trunk due to firewall restriction (even on > http). I will try it from another connection. Disabling constant propagation is going to affect code quality a lot more (and might uncover latent bugs). Anyway, I have a patch for trunk already. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43629