From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28192 invoked by alias); 21 Mar 2009 18:55:16 -0000 Received: (qmail 28180 invoked by uid 22791); 21 Mar 2009 18:55:16 -0000 X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Received: from yw-out-1718.google.com (HELO yw-out-1718.google.com) (74.125.46.158) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 21 Mar 2009 18:55:12 +0000 Received: by yw-out-1718.google.com with SMTP id 4so925124ywq.26 for ; Sat, 21 Mar 2009 11:55:09 -0700 (PDT) Received: by 10.100.133.16 with SMTP id g16mr5241420and.136.1237661709873; Sat, 21 Mar 2009 11:55:09 -0700 (PDT) Received: from ?18.138.6.90? (NORTHWEST-THIRTYFIVE-THREE-FORTY-FIVE.MIT.EDU [18.138.6.90]) by mx.google.com with ESMTPS id b32sm6932556ana.55.2009.03.21.11.55.09 (version=SSLv3 cipher=RC4-MD5); Sat, 21 Mar 2009 11:55:09 -0700 (PDT) Message-ID: <49C53804.5020900@gmail.com> Date: Sat, 21 Mar 2009 18:55:00 -0000 From: Yang Zhang User-Agent: Thunderbird 2.0.0.21 (X11/20090318) MIME-Version: 1.0 To: GCC-help Subject: What does -march=native select? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org X-SW-Source: 2009-03/txt/msg00263.txt.bz2 I peeked under gcc/config/i386/ and found the host_detect_local_cpu() function - is there any way to observe the return value of this function via the gcc frontend? -- Yang Zhang http://www.mit.edu/~y_z/