X-Recipient: archive-cygwin AT delorie DOT com X-Spam-Check-By: sourceware.org Date: Wed, 12 Sep 2007 09:36:24 -0400 From: Christopher Faylor To: cygwin AT cygwin DOT com Subject: Re: gcc-dw2? or fast sjlj-exceptions EH Message-ID: <20070912133624.GB16472@ednor.casa.cgf.cx> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <20070912054905 DOT 177F7D98 DOT matsuoka AT mol DOT nagoya-u DOT ac DOT jp> <46E732EC DOT 2080400 AT byu DOT net> <20070912125853 DOT 78CF07C0 DOT matsuoka AT mol DOT nagoya-u DOT ac DOT jp> <46E7E83A DOT 30102 AT byu DOT net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46E7E83A.30102@byu.net> User-Agent: Mutt/1.5.16 (2007-06-09) Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: 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 On Wed, Sep 12, 2007 at 07:23:06AM -0600, Eric Blake wrote: >According to Tatsuro MATSUOKA on 9/11/2007 9:58 PM: >> Dear Eric > >No need to write me personally - I read the lists. > >> However, I cannot understand the sjlj-exception was adopted in the >> cygwin gcc and mingw gcc of the current version. > >To rehash this thread, sjlj-exception handling was adopted by cygwin gcc >because no one has yet completed a patch that does dwarf exception >handling across Windows callbacks. In other words, sjlj-exception >handling is used because it is the only choice that works to date. > >> However the speed >> of mingw binary is much faster than that of the cygwin. > >That's because cygwin is an emulation layer, and is inherently slower than >mingw because it is doing more under the hood to behave more like Posix. Thanks Eric. Unless there is something new to be added, can we now give this topic a rest? It seems like we may be starting to loop. cgf -- 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/