From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs,gmane.comp.lib.gnulib.bugs Subject: bug#36370: 27.0.50; XFIXNAT called on negative numbers Date: Fri, 28 Jun 2019 22:40:12 -0700 Organization: UCLA Computer Science Department Message-ID: References: <11002295.LrvMqknVDZ@omega> <2067160.1HRgjLhtDS@omega> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="136589"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 Cc: 36370@debbugs.gnu.org, bug-gnulib@gnu.org To: Bruno Haible , Pip Cet Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jun 29 07:41:26 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hh674-000ZGp-3k for geb-bug-gnu-emacs@m.gmane.org; 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Fri, 28 Jun 2019 22:40:13 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id Ob7PtY4CQjmP; Fri, 28 Jun 2019 22:40:12 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 888DB161D50; Fri, 28 Jun 2019 22:40:12 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id NHV0lOJ12gs5; Fri, 28 Jun 2019 22:40:12 -0700 (PDT) Original-Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 59AA3161D2F; Fri, 28 Jun 2019 22:40:12 -0700 (PDT) In-Reply-To: <2067160.1HRgjLhtDS@omega> Content-Language: en-US X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:161789 gmane.comp.lib.gnulib.bugs:40592 Archived-At: Bruno Haible wrote: > I think we should change the documentation of 'assume' to say > that when it invokes functions, these functions should be marked > '__attribute__ ((__always_inline__))', otherwise performance will > be worse than without the 'assume', not better. I suggest something simpler and a little more general. The Emacs documentation for 'eassume' says this: This can improve performance in some cases, though it can degrade performance in others. It's often suboptimal for COND to call external functions or access volatile storage. and we could migrate that into the documentation for 'assume'.