| delorie.com/archives/browse.cgi | search |
| 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 <dave DOT korn DOT cygwin AT googlemail DOT com> |
| User-Agent: | Thunderbird 2.0.0.17 (Windows/20080914) |
| MIME-Version: | 1.0 |
| To: | Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com> |
| CC: | cygwin AT cygwin DOT com |
| Subject: | Re: gcc -ffast-math defect with tan(x) |
| References: | <AE5F3949C74C6547AEAEAB87D1AC7F1B057788A6 AT cos-us-mb01 DOT cos DOT agilent DOT com> <4B028ED0 DOT 5070600 AT gmail DOT com> <loom DOT 20091117T143159-735 AT post DOT gmane DOT org> <4B02B41A DOT 5010806 AT gmail DOT com> |
| In-Reply-To: | <4B02B41A.5010806@gmail.com> |
| Mailing-List: | contact cygwin-help AT cygwin DOT com; run by ezmlm |
| List-Id: | <cygwin.cygwin.com> |
| List-Subscribe: | <mailto:cygwin-subscribe AT cygwin DOT com> |
| List-Archive: | <http://sourceware.org/ml/cygwin/> |
| List-Post: | <mailto:cygwin AT cygwin DOT com> |
| List-Help: | <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs> |
| 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
| webmaster | delorie software privacy |
| Copyright © 2019 by DJ Delorie | Updated Jul 2019 |