From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Perry Smith Newsgroups: gmane.emacs.help Subject: Exception Specifications Date: Mon, 4 Dec 2006 22:23:17 -0600 Message-ID: NNTP-Posting-Host: dough.gmane.org Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: multipart/mixed; boundary="===============2129675661==" X-Trace: sea.gmane.org 1165292650 17728 80.91.229.10 (5 Dec 2006 04:24:10 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 5 Dec 2006 04:24:10 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Dec 05 05:24:06 2006 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by dough.gmane.org with esmtp (Exim 4.50) id 1GrRqf-0005fy-5y for geh-help-gnu-emacs@m.gmane.org; Tue, 05 Dec 2006 05:24:05 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1GrRqe-0007ym-Kr for geh-help-gnu-emacs@m.gmane.org; Mon, 04 Dec 2006 23:24:04 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1GrRq0-0007on-7Q for help-gnu-emacs@gnu.org; Mon, 04 Dec 2006 23:23:24 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1GrRpz-0007oU-Kx for help-gnu-emacs@gnu.org; Mon, 04 Dec 2006 23:23:23 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1GrRpz-0007oP-Bq for help-gnu-emacs@gnu.org; Mon, 04 Dec 2006 23:23:23 -0500 Original-Received: from [64.192.143.210] (helo=easeserver.easesoftware.com) by monty-python.gnu.org with esmtp (Exim 4.52) id 1GrRpz-0004ZU-25 for help-gnu-emacs@gnu.org; Mon, 04 Dec 2006 23:23:23 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by easeserver.easesoftware.com (Postfix) with ESMTP id 6ADD557F94B for ; Mon, 4 Dec 2006 22:23:22 -0600 (CST) Original-Received: from easeserver.easesoftware.com ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 28644-08 for ; Mon, 4 Dec 2006 22:23:18 -0600 (CST) Original-Received: from [64.192.143.210] (easeserver.easesoftware.com [64.192.143.210]) by easeserver.easesoftware.com (Postfix) with ESMTP id 6153857F921 for ; Mon, 4 Dec 2006 22:23:18 -0600 (CST) Original-To: GNU Emacs List X-Mailer: Apple Mail (2.752.2) X-Virus-Scanned: by amavisd-new at easesoftware.net X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:39259 Archived-At: --===============2129675661== Content-Type: multipart/alternative; boundary=Apple-Mail-27-154319941 --Apple-Mail-27-154319941 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed I believe I saw in some of the boost libraries that they do not use exception specifications because some compilers produce slower code. I'm considering adding exception specifications to most/all of my functions -- mostly for my own sake. But I'm wondering how it will affect the compiler's generated code. (i.e. if it is going to affect performance, I can put the exception specifications in comments just as easily). I'm currently using gcc 4.0.2. Thank you, Perry Smith ( pedz@easesoftware.com ) Ease Software, Inc. ( http://www.easesoftware.com ) Low cost SATA Disk Systems for IBMs p5, pSeries, and RS/6000 AIX systems --Apple-Mail-27-154319941 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=ISO-8859-1 I believe I saw in some of the = boost libraries that they do not use exception specifications because = some compilers produce slower code.

I'm considering adding = exception specifications to most/all of my functions -- mostly for my = own sake.=A0 But I'm wondering how it will affect the compiler's = generated code.=A0 (i.e. if it is going to affect performance, I can put = the exception specifications in comments just as easily).=A0 I'm = currently using gcc 4.0.2.

Thank = you,
Perry Smith = (=A0pedz@easesoftware.com = )
Ease Software, Inc. (=A0http://www.easesoftware.com = )

Low = cost SATA Disk Systems for IBMs p5, pSeries, and RS/6000 AIX systems

 =

= --Apple-Mail-27-154319941-- --===============2129675661== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ help-gnu-emacs mailing list help-gnu-emacs@gnu.org http://lists.gnu.org/mailman/listinfo/help-gnu-emacs --===============2129675661==--