X-Spam-Check-By: sourceware.org Message-ID: <46840B7B.7956A80@dessent.net> Date: Thu, 28 Jun 2007 12:26:51 -0700 From: Brian Dessent X-Mailer: Mozilla 4.79 [en] (Windows NT 5.0; U) MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: possible compiler optimization error References: <4683F56D DOT 53B8E259 AT dessent DOT net> <4684058B DOT DFC1CA09 AT dessent DOT net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Reply-To: cygwin AT cygwin DOT com Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com "Frederich, Eric P21322" wrote: > My using -march=i686 was because I couldn't find a list of all accepted > values in the man page for gcc. After some googling I found that I can > use -march=pentium-m for my Dell D600 Laptop. I am now happy to report > that setting -march=pentium-m -O2 works fine. I am glad to hear that > using the sse2 correctly solves the problem without having to use > -ffloat-store and taking a possible performance hit. You can also find the gcc docs on the gcc website. Here is the link to the section in the 3.4.x manual describing those options: Brian -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/