From owner-freebsd-mips@freebsd.org Mon Nov 21 17:05:13 2016 Return-Path: Delivered-To: freebsd-mips@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 20165C4D2C4 for ; Mon, 21 Nov 2016 17:05:13 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from hz.grosbein.net (hz.grosbein.net [78.47.246.247]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "hz.grosbein.net", Issuer "hz.grosbein.net" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id AEC2CABD for ; Mon, 21 Nov 2016 17:05:12 +0000 (UTC) (envelope-from eugen@grosbein.net) Received: from eg.sd.rdtc.ru (root@eg.sd.rdtc.ru [62.231.161.221]) by hz.grosbein.net (8.15.2/8.15.2) with ESMTPS id uALH57Ul044191 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 21 Nov 2016 18:05:08 +0100 (CET) (envelope-from eugen@grosbein.net) X-Envelope-From: eugen@grosbein.net X-Envelope-To: adrian.chadd@gmail.com Received: from eg.sd.rdtc.ru (eugen@localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.15.2/8.15.2) with ESMTP id uALH545U031312; Tue, 22 Nov 2016 00:05:04 +0700 (KRAT) (envelope-from eugen@grosbein.net) Subject: Re: MIPS code size strangeness To: Adrian Chadd References: <5831E800.60003@grosbein.net> <5832FF33.9010307@grosbein.net> <58330AB6.60306@grosbein.net> <58332491.3000706@grosbein.net> Cc: Michael Zhilin , "freebsd-mips@freebsd.org" From: Eugene Grosbein Message-ID: <58332940.8030606@grosbein.net> Date: Tue, 22 Nov 2016 00:05:04 +0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=0.3 required=5.0 tests=BAYES_00,LOCAL_FROM, T_DATE_IN_FUTURE_96_Q autolearn=no autolearn_force=no version=3.4.1 X-Spam-Report: * 0.0 T_DATE_IN_FUTURE_96_Q Date: is 4 days to 4 months after Received: * date * -2.3 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * 2.6 LOCAL_FROM From my domains X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on hz.grosbein.net X-BeenThere: freebsd-mips@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Porting FreeBSD to MIPS List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Nov 2016 17:05:13 -0000 On 21.11.2016 23:47, Adrian Chadd wrote: > Hiya, > > Well, let's dig into it a bit more. See what the latest gcc (5, or 6) > will do when building a freebsd mips userland. It may also be > something stupid - eg we can mark some code to stop inlining. Is it possible to obtain gcc6 MIPS cross-compiler for FreeBSD11/amd64 (my build system) and make our buildworld/buildkernel use it instead of stock gcc 4.2? > MIPS binaries are going to be bigger than CISC binaries - but it > shouldn't be /that/ much bigger. If there's cut/paste code that we can > uninline, libraryify, etc to save space then we should. The C-code in question is not big and has not "copy-paste" parts.