From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25120 invoked by alias); 18 Jan 2004 18:26:42 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 25104 invoked from network); 18 Jan 2004 18:26:41 -0000 Received: from unknown (HELO mailhost) (80.245.107.3) by sources.redhat.com with SMTP; 18 Jan 2004 18:26:41 -0000 Received: from 192.168.0.254 by mailhost (InterScan E-Mail VirusWall NT); Sun, 18 Jan 2004 18:31:41 -0000 Received: from 192.168.0.144 by chaos-engine (InterScan E-Mail VirusWall NT); Sun, 18 Jan 2004 18:30:36 -0000 Received: by MR-T with Internet Mail Service (5.5.2653.19) id ; Sun, 18 Jan 2004 18:28:12 -0000 Message-ID: From: jgrant@reflectionsinteractive.com To: ian@wasabisystems.com, jgrant@reflectionsinteractive.com Cc: gcc@gcc.gnu.org Subject: RE: Optimisation options turned on at a certain level Date: Sun, 18 Jan 2004 18:26:00 -0000 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-SW-Source: 2004-01/txt/msg01178.txt.bz2 Hi Ian Thanks for the info. > > Could this be added the documentation? so its clear exactly what is > > being done by which options are being passed. > > My two comments are: > > 1) Documentation patches are always welcome. I noticed the info gcc pages were in some ways more detailed, for instance this optimisation page: http://www-es.fernuni-hagen.de/cgi-bin/info2html?(gcc)Optimize%20Options Are the gcc online manual documents maintained by different people from the gcc info pages? Perhaps some aspects could be combined. > 2) But note that the precise meaning of the optimization levels > changes for different architectures. See the OPTIMIZATION_OPTIONS > macro as defined in various gcc/config/*/*.h files. Ok, am doing. Thank you for the direction. Jonathan