From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.devel Subject: Re: Floating-point constant folding in Emacs byte compiler Date: Mon, 2 Apr 2018 20:55:03 +0000 Message-ID: References: <2ce39e5c-cd1b-65d6-b125-719caad67932@cs.ucla.edu> <83vadmgfbz.fsf@gnu.org> <87d0zr2n1u.fsf@gmail.com> <83h8p2g99p.fsf@gnu.org> <87370m3k4y.fsf@gmail.com> <838taeg6z5.fsf@gnu.org> <7a49cbdf-f2c3-0803-2ee8-3d9f55e405a5@cs.ucla.edu> <7a4f10ec-c1b9-953d-7a95-b2f1ff762735@cs.ucla.edu> <83y3i568i0.fsf@gnu.org> <058336f6-1b68-69c5-27ee-13edeb86f636@cs.ucla.edu> <83tvst5qjp.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: blaine.gmane.org 1522702482 12101 195.159.176.226 (2 Apr 2018 20:54:42 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 2 Apr 2018 20:54:42 +0000 (UTC) Cc: eggert@cs.ucla.edu, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Apr 02 22:54:38 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1f36TM-00031P-59 for ged-emacs-devel@m.gmane.org; Mon, 02 Apr 2018 22:54:36 +0200 Original-Received: from localhost ([::1]:34534 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f36VP-0004OP-Sv for ged-emacs-devel@m.gmane.org; Mon, 02 Apr 2018 16:56:43 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42282) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1f36UV-0004Ne-Fx for emacs-devel@gnu.org; Mon, 02 Apr 2018 16:55:48 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1f36UU-000721-U8 for emacs-devel@gnu.org; Mon, 02 Apr 2018 16:55:47 -0400 Original-Received: from mail-wm0-x230.google.com ([2a00:1450:400c:c09::230]:36108) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1f36UT-00070G-LI; Mon, 02 Apr 2018 16:55:45 -0400 Original-Received: by mail-wm0-x230.google.com with SMTP id x82so29962367wmg.1; Mon, 02 Apr 2018 13:55:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=dEBvHX7ghSXQ9+wPeRi43PP7cInWERxrYmCZTw8EG80=; b=lUG6SSSOVBo0eSmyU8wulETOE+dKi598f6ik0vCH6PXLUAKf27AZq+xJGs9Y5emqti otZ3Bx2qjTrBCxl98fqtWqvC3wGGUE9hK/B8LSibuZrOcSaDrrGV6kKIfXavD3orwM1y SYpq8fP0LZH8XJzBsPBz0Gai7uVWkU8Z0zEtSD1q6LWDAB85p1tLrP2PoKB6old0KZnL vzJGboFnxxp0wu+uogtm+McLR1+KZmKaSvFPCAsBZSgeCSwFuDmbe9C1xO3JIK8i2jM4 QtNk2E6UpAAsSAe3wVapcFNjgMmtGT+Y2RGo7OBq51l97a16etgQNyrOE2HK/9SOFIH1 KY/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=dEBvHX7ghSXQ9+wPeRi43PP7cInWERxrYmCZTw8EG80=; b=NShJ5IbPftOKEUpSIzkOEdpgT7H46vjv76zeFFkfg2xWOvxa6/NXox6PrJWMPc5cY4 wyhmwGJeaKjxm/cf0TfhxNoctMyJTz7eyxRqp1lNntp3MZUO0Eh/DwxEsPQ0CQEL22Tl aWl4KOr9JNpaZSsrcHxeBuhjkkq0IxWA49MeesjkISuz9VuzaOON8UJHjJP6ZmTchaqa azUgvstlkZkGTAUl9j1MdHxh6Etx9raRPtCcjV2VlSLt77Qu4gH90M68H4Mm2DCEAuZe y48s3vNecJ8AtuYiytXURrMmy+3qpv875we1kV7dwdPr4L3wpRqJ7SqmglyHOmVicnde RhkA== X-Gm-Message-State: AElRT7HR3XdrYYCB4KZ9rCvjoAmpHyPEutI6vadS1E/+A+GdkEyZko/r kpWfxlEI3lqsMi9crnEeFogbi530Gy5kplJicK0= X-Google-Smtp-Source: AIpwx48kbfRznBGCFvEPPgy5LdnsvFKU9ILO27Z9TWEnqf8R8oTyZnQDS+0BYyMba5xW7dsTnCtTULHpRi1f/5wJcg8= X-Received: by 10.80.231.13 with SMTP id a13mr14062931edn.212.1522702544173; Mon, 02 Apr 2018 13:55:44 -0700 (PDT) Original-Received: by 10.80.129.230 with HTTP; Mon, 2 Apr 2018 13:55:03 -0700 (PDT) In-Reply-To: <83tvst5qjp.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:400c:c09::230 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:224261 Archived-At: > We could be mis-communicating: you said "EQ", not 'eq', so I thought > you wanted to supplant the EQ macro on the C level to return non-zero > for two float objects whose values compare equal. Now it sounds like > you were talking about something entirely different, something that > only matters on the Lisp level. Sorry for the confusion. You're right, I was talking about replacing EQ, and I was ignoring the difference between eq and EQ. TBH, I'm not too worried about the C code and EQ, though I would be worried about making EQ and eq mean different things.