From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14244 invoked by alias); 1 Aug 2005 18:51:50 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 14237 invoked by uid 48); 1 Aug 2005 18:51:47 -0000 Date: Mon, 01 Aug 2005 18:51:00 -0000 Message-ID: <20050801185147.14236.qmail@sourceware.org> From: "dann at godzilla dot ics dot uci dot edu" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20050730230931.23153.dann@godzilla.ics.uci.edu> References: <20050730230931.23153.dann@godzilla.ics.uci.edu> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/23153] [4.1 Regression] code size regression from 4.0 on x86 X-Bugzilla-Reason: CC X-SW-Source: 2005-08/txt/msg00106.txt.bz2 List-Id: ------- Additional Comments From dann at godzilla dot ics dot uci dot edu 2005-08-01 18:51 ------- (In reply to comment #1) > This could be many things, first we don't care about code size for -O2. > > Second this is most likely jump threading. > > Can you add -ftree-dominator-opts and see what the code size problems are? I am not sure what you are asking. Aren't tree-dominator-opts enabled by default at -O2? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23153