From patchwork Tue Feb 3 14:29:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Sandiford X-Patchwork-Id: 435931 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id B04871401B1 for ; Wed, 4 Feb 2015 01:39:54 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:subject:date:message-id:mime-version:content-type :content-transfer-encoding; q=dns; s=default; b=DQzEZ7eZ+nkfH85U yR0nwOTAHpvNonKeILkWuZytqeq73zeN8EePWkvKqR/EsmztEPokewh64eGOypjK A5yz3kou7sbm5/hrNDavoy3cFBUQ2vI3GLAFWc4LxwW8VB2m1PM+HBjrE5eJ8s6P gpgUgdxcQbTgZ1cFspb6TJ1kJko= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:subject:date:message-id:mime-version:content-type :content-transfer-encoding; s=default; bh=H3INkPRKjRz0vYcZINIlHo UJMtU=; b=iLEuArasfr1tc52STr7c3aeP0CxMApkR8aUeZjaY2B2442j9hm1BhT IFS6sk1N/LE5ufAMLbzU/wx1q/O2W/wex3f/picgWVOiyNN8jcWZZZYSC+28G06m 7aYoSUl80xvZfASF+8l66GCqhQqSd4bSvBfAiNi5b5uK29wDudZGk= Received: (qmail 24376 invoked by alias); 3 Feb 2015 14:29:11 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 24356 invoked by uid 89); 3 Feb 2015 14:29:10 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL, BAYES_00, SPF_PASS autolearn=ham version=3.3.2 X-HELO: service87.mimecast.com Received: from service87.mimecast.com (HELO service87.mimecast.com) (91.220.42.44) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 03 Feb 2015 14:29:09 +0000 Received: from cam-owa2.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by service87.mimecast.com; Tue, 03 Feb 2015 14:29:06 +0000 Received: from localhost ([10.1.255.212]) by cam-owa2.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 3 Feb 2015 14:29:03 +0000 From: Richard Sandiford To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@arm.com Subject: RFA: Tweak documentation of fma Date: Tue, 03 Feb 2015 14:29:03 +0000 Message-ID: <87twz3cbm8.fsf@e105548-lin.cambridge.arm.com> User-Agent: Gnus/5.130012 (Ma Gnus v0.12) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 X-MC-Unique: 115020314290606801 The original reason for this was to fix the missing space before "@var{z}". "Do a combined multiply ... and then" didn't sound quite right though: "and then" implies a separate step and so feels like a contradiction of "combined". Tested with "make doc html pdf". OK to install? Thanks, Richard gcc/ * doc/rtl.texi (fma): Clarify documentation. Index: gcc/doc/rtl.texi =================================================================== --- gcc/doc/rtl.texi 2015-01-12 15:28:02.413075415 +0000 +++ gcc/doc/rtl.texi 2015-02-03 14:21:02.485178134 +0000 @@ -2306,8 +2306,8 @@ For unsigned widening multiplication, us @findex fma @item (fma:@var{m} @var{x} @var{y} @var{z}) Represents the @code{fma}, @code{fmaf}, and @code{fmal} builtin -functions that do a combined multiply of @var{x} and @var{y} and then -adding to@var{z} without doing an intermediate rounding step. +functions, which compute @samp{@var{x} * @var{y} + @var{z}} +without doing an intermediate rounding step. @findex div @findex ss_div