X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_PASS X-Spam-Check-By: sourceware.org Message-ID: <4B02B6DF.3040007@gmail.com> Date: Tue, 17 Nov 2009 14:44:47 +0000 From: Dave Korn User-Agent: Thunderbird 2.0.0.17 (Windows/20080914) MIME-Version: 1.0 To: Dave Korn CC: cygwin AT cygwin DOT com Subject: Re: gcc -ffast-math defect with tan(x) References: <4B028ED0 DOT 5070600 AT gmail DOT com> <4B02B41A DOT 5010806 AT gmail DOT com> In-Reply-To: <4B02B41A.5010806@gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit 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 Dave Korn wrote: > maybe _f_tan needs to be 'popping' (or in some way marking > invalid) that unused +1.0 constant rather than just skipping the stack pointer > over it. Needs moar 'ffree st(0)'. This will require a newlib patch and a new cygwin dll release to solve, it'll take a little while I'm afraid. cheers, DaveK -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple