From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 70715 invoked by alias); 20 Nov 2015 10:37:20 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 70703 invoked by uid 89); 20 Nov 2015 10:37:20 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.7 required=5.0 tests=AWL,BAYES_50,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Fri, 20 Nov 2015 10:37:19 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 0EFE642E5C3; Fri, 20 Nov 2015 10:37:18 +0000 (UTC) Received: from tucnak.zalov.cz (ovpn-116-34.ams2.redhat.com [10.36.116.34]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id tAKAbFcY011853 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 20 Nov 2015 05:37:17 -0500 Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.15.2/8.15.2) with ESMTP id tAKAbAum021533; Fri, 20 Nov 2015 11:37:10 +0100 Received: (from jakub@localhost) by tucnak.zalov.cz (8.15.2/8.15.2/Submit) id tAKAb8AQ021532; Fri, 20 Nov 2015 11:37:08 +0100 Date: Fri, 20 Nov 2015 10:37:00 -0000 From: Jakub Jelinek To: Eric Botcazou Cc: gcc-patches@gcc.gnu.org Subject: Re: [patch] Document new overflow arithmetics patterns Message-ID: <20151120103708.GG5675@tucnak.redhat.com> Reply-To: Jakub Jelinek References: <1557052.Jl1FD73nyu@polaris> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1557052.Jl1FD73nyu@polaris> User-Agent: Mutt/1.5.23 (2014-03-12) X-IsSubscribed: yes X-SW-Source: 2015-11/txt/msg02456.txt.bz2 On Fri, Nov 20, 2015 at 11:12:06AM +0100, Eric Botcazou wrote: > Hi, > > this documents the new overflow arithmetics patterns added recently (addv4, > subv4, mulv4, umulv4, negv3) and only them, i.e. the old ones are still not. > This also fixes the description of the cbranch and jump patterns, which were > referring to a label_ref instead of a code_label. > > Tested with 'make doc' on x86-64/Linux, OK for mainline and 5 branch? > > > 2015-11-20 Eric Botcazou > > * doc/md.texi (Standard Names): Move entry for addptr3 around, > add entries for addv4, subv4, mulv4, umulv4 and negv3, fixes > glitch in entries for cbranch4 and jump. Ok, thanks. > +@cindex @code{negv@var{m}3} instruction pattern > +@item @samp{negv@var{m}3} > +Like @code{neg@var{m}2} but takes a @code{code_label} as operand 2 and > +emits code to jump to it if signed overflow occurs during the negation. Spurious space before "but". Jakub