From patchwork Fri Nov 18 16:43:18 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aldy Hernandez X-Patchwork-Id: 126446 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]) by ozlabs.org (Postfix) with SMTP id 140AAB7241 for ; Sat, 19 Nov 2011 03:43:59 +1100 (EST) Received: (qmail 30211 invoked by alias); 18 Nov 2011 16:43:56 -0000 Received: (qmail 30197 invoked by uid 22791); 18 Nov 2011 16:43:52 -0000 X-SWARE-Spam-Status: No, hits=-7.2 required=5.0 tests=AWL, BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 18 Nov 2011 16:43:20 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id pAIGhJ3v021243 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 18 Nov 2011 11:43:19 -0500 Received: from houston.quesejoda.com (vpn-9-155.rdu.redhat.com [10.11.9.155]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id pAIGhJpv001895; Fri, 18 Nov 2011 11:43:19 -0500 Message-ID: <4EC68B26.3070802@redhat.com> Date: Fri, 18 Nov 2011 10:43:18 -0600 From: Aldy Hernandez User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110930 Thunderbird/7.0.1 MIME-Version: 1.0 To: Gerald Pfeifer CC: gcc-patches Subject: Re: [wwwdocs] add news items for TM work References: <4EC2ACE6.70401@redhat.com> In-Reply-To: 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 >> + The project was partially funded by >> + theVelox project. This >> + feature is experimental and is available for C and C++ on selected >> + platforms. > > Reading this I was wondering which platforms. On the other page it > says x86 and alpha; should we just use this here, or were you thinking > to keep this more marketing speak? ;-) *blush*, yes... marketing speak. Seeing that people are contributing other ports (or planning on), I didn't want to be too restrictive in the news file. I can specify x86 and Alpha if you'd prefer, to keep it in sync with gcc-4.7/changes.html. > >> Index: gcc-4.7/changes.html >> =================================================================== >> +
  • Experimental support for transactional memory has been added. >> + It includes support for the compiler, as well as a supporting >> + runtime library calledlibitm. To compile code >> + with transactional memory constructs, use >> + the-fgnu-tm option. > > Put this under

    ...

    as well, I think. done > >> + Support is currently available for the x86 and Alpha platforms. > > 32-bit, 64-bit x86, or both? both. I have updated the patch. > >> +

    >> + This work was contributed by Red Hat and was partly funded by >> + theVelox project. >> +

    > > In the release notes we generally don't have those acknowledgements, > only in the News section. removed How does this look? Index: index.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/index.html,v retrieving revision 1.824 diff -u -r1.824 index.html --- index.html 15 Nov 2011 06:01:24 -0000 1.824 +++ index.html 18 Nov 2011 16:39:55 -0000 @@ -53,6 +53,18 @@
    +
    Transactional memory support + [2011-11-15]
    +
    An implementation of the +ongoing transactional +memory standard has been added. Code was contributed by Richard +Henderson, Aldy Hernandez, and Torvald Riegel, all of Red Hat, Inc. +The project was partially funded by +the Velox project. This +feature is experimental and is available for C and C++ on selected +platforms. +
    +
    POWER7 on the GCC Compile Farm [2011-11-10]
    IBM has donated a 64 processor POWER7 machine (3.55 GHz, 64 GB RAM) Index: gcc-4.7/changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.7/changes.html,v retrieving revision 1.56 diff -u -r1.56 changes.html --- gcc-4.7/changes.html 8 Nov 2011 11:49:53 -0000 1.56 +++ gcc-4.7/changes.html 18 Nov 2011 16:39:55 -0000 @@ -195,6 +195,26 @@ through which the compiler can be hinted about pointer alignment and can use it to improve generated code.
    • + +
  • +

    + Experimental support for transactional memory has been added. + It includes support for the compiler, as well as a supporting + runtime library called libitm. To compile code + with transactional memory constructs, use + the -fgnu-tm option. +

    + +

    + Support is currently available for the x86-32, x86-64, and Alpha + platforms. +

    + +

    + For more details on transactional memory + see here. +

    +

    • C++