From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: [Patch] hard-widen-limits [was Re: Syntax tables for multiple modes [was: bug#22983: syntax-ppss returns wrong result.]] Date: Sun, 24 Apr 2016 18:48:03 +0200 Message-ID: <87d1pfdkcc.fsf@linux-m68k.org> References: <20160311151512.GD2888@acm.fritz.box> <87egb3ryjc.fsf@gmail.com> <877fgusum3.fsf@gmail.com> <8737risu8d.fsf@gmail.com> <87mvpqqxy7.fsf@gmail.com> <877fguqp8x.fsf@gmail.com> <87bn65pgk2.fsf@gmail.com> <87y499nz79.fsf@gmail.com> <87zithez9b.fsf@gmail.com> <940ff677-80dc-848b-5626-23c7ac1591df@yandex.ru> <87k2jneaio.fsf@gmail.com> <87mvoj4gai.fsf@Rainer.invalid> <87a8kjdyvx.fsf@gmail.com> <87lh43dty8.fsf@linux-m68k.org> <874mardm1u.fsf@gmail.com> <87h9erdlnt.fsf@linux-m68k.org> <87zisjc63c.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1461516504 29566 80.91.229.3 (24 Apr 2016 16:48:24 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 24 Apr 2016 16:48:24 +0000 (UTC) Cc: Achim Gratz , emacs-devel@gnu.org To: Vitalie Spinu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Apr 24 18:48:15 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1auNCg-0001bW-MZ for ged-emacs-devel@m.gmane.org; Sun, 24 Apr 2016 18:48:14 +0200 Original-Received: from localhost ([::1]:55956 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auNCg-0003kC-0H for ged-emacs-devel@m.gmane.org; Sun, 24 Apr 2016 12:48:14 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:37575) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auNCb-0003gT-HN for emacs-devel@gnu.org; Sun, 24 Apr 2016 12:48:10 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1auNCY-0001Bl-Ab for emacs-devel@gnu.org; Sun, 24 Apr 2016 12:48:09 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.10]:38193) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1auNCY-0001Bh-42 for emacs-devel@gnu.org; Sun, 24 Apr 2016 12:48:06 -0400 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 3qtFfD5C6Rz3hnFp; Sun, 24 Apr 2016 18:48:04 +0200 (CEST) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 3qtFfD4vN3zvkFY; Sun, 24 Apr 2016 18:48:04 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavisd-new, port 10024) with ESMTP id eH3XqtfAJWl8; Sun, 24 Apr 2016 18:48:03 +0200 (CEST) X-Auth-Info: NpJ0B/wE+9ZVOUYBZSsmbNlRXysb5qaj5DBWtpkMou91Bt/n68fWNX5d6RvHuWFP Original-Received: from igel.home (ppp-88-217-26-122.dynamic.mnet-online.de [88.217.26.122]) by mail.mnet-online.de (Postfix) with ESMTPA; Sun, 24 Apr 2016 18:48:03 +0200 (CEST) Original-Received: by igel.home (Postfix, from userid 1000) id 85EA72C1A29; Sun, 24 Apr 2016 18:48:03 +0200 (CEST) X-Yow: The fact that 47 PEOPLE are yelling and sweat is cascading down my SPINAL COLUMN is fairly enjoyable!! In-Reply-To: <87zisjc63c.fsf@gmail.com> (Vitalie Spinu's message of "Sun, 24 Apr 2016 18:41:11 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.93 (gnu/linux) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 212.18.0.10 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:203265 Archived-At: Vitalie Spinu writes: >>> On Sun, Apr 24 2016 18:19, Andreas Schwab wrote: > >> Vitalie Spinu writes: > >>>>> On Sun, Apr 24 2016 15:20, Andreas Schwab wrote: >>> >>>> Vitalie Spinu writes: >>> >>>>> @@ -1692,7 +1692,7 @@ exec_byte_code (Lisp_Object bytestr, Lisp_Object vector, Lisp_Object maxdepth, >>>>> >>>>> CASE (Bwiden): >>>>> BEFORE_POTENTIAL_GC (); >>>>> - PUSH (Fwiden ()); >>>>> + TOP = Fwiden (TOP); >>> >>>> You are clobbering the stack here. Instead of pushing a new value you >>>> are overwriting an unrelated value on the stack. >>> >>> I don't think so. I pick an argument form the stack and put the return value in >>> it. This is what all one-arg functions do in bytecode.c. > >> But nobody is pushing that argument. > > I am not pushing anything. Exactly. This opcode takes no argument, and you cannot change that. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."