From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 51477 invoked by alias); 16 Nov 2018 16:28:27 -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 51340 invoked by uid 89); 16 Nov 2018 16:28:25 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 spammy=matz, Matz, Hx-languages-length:431, H*F:D*ru X-HELO: smtp.ispras.ru Received: from bran.ispras.ru (HELO smtp.ispras.ru) (83.149.199.196) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 16 Nov 2018 16:28:23 +0000 Received: from monopod.intra.ispras.ru (monopod.intra.ispras.ru [10.10.3.121]) by smtp.ispras.ru (Postfix) with ESMTP id D6880203B7; Fri, 16 Nov 2018 19:28:20 +0300 (MSK) Date: Fri, 16 Nov 2018 16:28:00 -0000 From: Alexander Monakov To: Michael Matz cc: Segher Boessenkool , Jakub Jelinek , Martin Sebor , Gcc Patch List Subject: Re: [PATCH] diagnose unsupported uses of hardware register variables (PR 88000) In-Reply-To: Message-ID: References: <20181114122250.GZ23873@gate.crashing.org> <20181114122726.GW11625@tucnak> <20181114135305.GB23873@gate.crashing.org> <20181114174723.GD23873@gate.crashing.org> User-Agent: Alpine 2.20.13 (LNX 116 2015-12-14) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-SW-Source: 2018-11/txt/msg01501.txt.bz2 On Fri, 16 Nov 2018, Michael Matz wrote: > > This follows both your model > > Not really, it ignores the fact that 'a' can change at any time, which is > what happens. Are you saying that local register variables, in your model, are essentially unfit for passing operands to inline asm on specific registers (i.e. their primary purpose)? Alexander