From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 40427 invoked by alias); 28 Jun 2018 11:20:47 -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 40400 invoked by uid 89); 28 Jun 2018 11:20:46 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=ham version=3.3.2 spammy=lifting, Hx-languages-length:576, pdp11 X-HELO: smtp.eu.adacore.com Received: from mel.act-europe.fr (HELO smtp.eu.adacore.com) (194.98.77.210) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 28 Jun 2018 11:20:44 +0000 Received: from localhost (localhost [127.0.0.1]) by filtered-smtp.eu.adacore.com (Postfix) with ESMTP id 1AC3581C43; Thu, 28 Jun 2018 13:20:43 +0200 (CEST) Received: from smtp.eu.adacore.com ([127.0.0.1]) by localhost (smtp.eu.adacore.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id psgrnacoH25t; Thu, 28 Jun 2018 13:20:43 +0200 (CEST) Received: from polaris.localnet (bon31-6-88-161-99-133.fbx.proxad.net [88.161.99.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.eu.adacore.com (Postfix) with ESMTPSA id EF23981C18; Thu, 28 Jun 2018 13:20:42 +0200 (CEST) From: Eric Botcazou To: Paul Koning Cc: gcc-patches@gcc.gnu.org Subject: Re: [PATCH, committed] Convert pdp11 back end to CCmode Date: Thu, 28 Jun 2018 11:20:00 -0000 Message-ID: <45008453.o4f7zzik2u@polaris> In-Reply-To: <687E4329-7FAF-4DA5-9580-B9B927C2263F@comcast.net> References: <687E4329-7FAF-4DA5-9580-B9B927C2263F@comcast.net> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-SW-Source: 2018-06/txt/msg01791.txt.bz2 > This change converts the pdp11 back end to use CCmode rather than cc0. It > is functional and the testsuite compile sections runs at least as well as > before. Nice work! You need to update the pdp11 entry in: https://gcc.gnu.org/backends.html > There is additional work left to be done; for example, the compare > elimination pass, which this target uses, does not know how to deal with a > machine that has two condition code registers. Right, patches lifting this limitation are most welcome. -- Eric Botcazou