From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 120321 invoked by alias); 4 Aug 2016 09:07:45 -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 120304 invoked by uid 89); 4 Aug 2016 09:07:44 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.4 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=Hx-languages-length:1073, H*M:7017 X-HELO: mail-pf0-f172.google.com Received: from mail-pf0-f172.google.com (HELO mail-pf0-f172.google.com) (209.85.192.172) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Thu, 04 Aug 2016 09:07:34 +0000 Received: by mail-pf0-f172.google.com with SMTP id p64so85587680pfb.1 for ; Thu, 04 Aug 2016 02:07:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:subject:to:references:cc:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=ZKzrxuZIGXRB/x8QH7hFoVAuNICttv+z3Kie4PUDXKs=; b=GXE+JPuXq/tk4Jr70ivxTHm8QMhSU9ppYKI7lcFzzaAaXqDgIY4HxEX316fB/y+sDy AjMwQnaLcY7oLoHAn6XKsw0JmOOI8I/RJLK5Jg8Z9DcWmPLagnElKtsLXXRfChrgUPbn u02YPrK/ovW+QTWJtofcyUaJcUz3ES90fOThjBne6T2+e62MSr1kiXVp4ewR74xO3vAT QleQjx3IPsowZUPKoQ3eTiQ4fJLt3LKISErsqI9EgMpRJ2yubavQ4p82xKEmn8eEceGw hONBeydywUSp7EklWqMdwtVzibdhYDHxJiikRIfSQNWVIizromqYQFcshg/blQw6rYle O0Lw== X-Gm-Message-State: AEkoouv3/GZBhov9k3FlzMx3PQdCZyKOkMzM0jgMDeAYa7/Fadlmq+anMfoZEd2nIbD2Ax8N X-Received: by 10.98.17.152 with SMTP id 24mr123787020pfr.13.1470301652354; Thu, 04 Aug 2016 02:07:32 -0700 (PDT) Received: from [10.1.1.4] (58-6-183-210.dyn.iinet.net.au. [58.6.183.210]) by smtp.gmail.com with ESMTPSA id 71sm18465908pfy.32.2016.08.04.02.07.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 Aug 2016 02:07:31 -0700 (PDT) Subject: Re: [RFC] ipa bitwise constant propagation To: Prathamesh Kulkarni , Richard Biener References: Cc: Jan Hubicka , Martin Jambor , gcc Patches From: kugan Message-ID: <36a94353-f1a2-7017-3b83-a44559cf08e8@linaro.org> Date: Thu, 04 Aug 2016 09:07:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2016-08/txt/msg00292.txt.bz2 On 04/08/16 18:57, Prathamesh Kulkarni wrote: > On 4 August 2016 at 13:31, Richard Biener wrote: >> On Thu, 4 Aug 2016, Prathamesh Kulkarni wrote: >> >>> Hi, >>> This is a prototype patch for propagating known/unknown bits inter-procedurally. >>> for integral types which propagates info obtained from get_nonzero_bits (). >>> >>> Patch required making following changes: >>> a) To make info from get_nonzero_bits() available to ipa, I had to remove >>> guard !nonzero_p in ccp_finalize. However that triggered the following ICE >>> in get_ptr_info() for default_none.f95 (and several other fortran tests) >>> with options: -fopenacc -O2 >>> ICE: http://pastebin.com/KjD7HMQi >>> I confirmed with Richard that this was a latent issue. >> >> Can you plase bootstrap/test the fix for this separately? (doesn't >> seem to be included in this patch btw) > Well I don't have the fix available -;) This looks like what I fixed in https://patchwork.ozlabs.org/patch/648662/. I will commit that soon. Thanks, Kugan