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[209.132.180.131]) by mx.google.com with ESMTPS id m1si5444750plb.313.2017.01.11.02.48.46 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 Jan 2017 02:48:46 -0800 (PST) Received-SPF: pass (google.com: domain of gcc-patches-return-445839-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org; spf=pass (google.com: domain of gcc-patches-return-445839-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) smtp.mailfrom=gcc-patches-return-445839-patch=linaro.org@gcc.gnu.org DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :subject:to:references:cc:from:message-id:date:mime-version :in-reply-to:content-type; q=dns; s=default; b=CkjzUIiHaejGlamJC iStC6M6K6ixPV/rOaaK8cJKR/tHajT9f7fW7GdPEU3irvc2ad/piVf9UfaFqqWah yCmcPqg8kbwek1RGR2KgxiNN4GNWVPORjxQgiODfch8s/Vq6i1J4gGjRn8zpOrJk Yk/GfhOWYxltc74UTkEgVRtXmo= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :subject:to:references:cc:from:message-id:date:mime-version :in-reply-to:content-type; s=default; bh=pwTnMESeMcjCkGt4t60Mj0Z pP8w=; b=v8pTOQna5SD+hf3id7SNaL7uLymEPRl71GiykrphG4Cl8/U5RfKBo+f OhFMhaybhs8JvooE3S22e3hE1+QCncYrX5mWnPfSiNE5qIIvwWDtPp8NM1o81qD6 EreZ2Jv0D/G0Vp0VAAj6NjH1G8KMNtDDMYwc7aGroEeiZYPdgqRY= Received: (qmail 81118 invoked by alias); 11 Jan 2017 10:48:32 -0000 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 Received: (qmail 80879 invoked by uid 89); 11 Jan 2017 10:48:17 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00, SPF_PASS autolearn=ham version=3.3.2 spammy=2017-01-11 X-HELO: mx2.suse.de Received: from mx2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Wed, 11 Jan 2017 10:48:07 +0000 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 86839AAC4; Wed, 11 Jan 2017 10:48:04 +0000 (UTC) Subject: Re: [PATCH 2/2] IPA ICF: make algorithm stable to survive -fcompare-debug To: Jakub Jelinek , Christophe Lyon References: <20170105085729.GU21933@tucnak> <20170105220218.GF21933@tucnak> <0b1a1a91-260b-8684-8264-1fab3152246f@suse.cz> <719d17b0-baf0-4fe8-dd7c-43365e9c689c@suse.cz> <8af32df9-a056-d68d-6591-0ac143f7b471@suse.cz> <20170111102858.GI21933@tucnak> Cc: Richard Biener , Alexandre Oliva , GCC Patches From: =?UTF-8?Q?Martin_Li=c5=a1ka?= Message-ID: <17cd3b41-f814-4e3b-c70c-df057af49861@suse.cz> Date: Wed, 11 Jan 2017 11:48:03 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 MIME-Version: 1.0 In-Reply-To: <20170111102858.GI21933@tucnak> X-IsSubscribed: yes On 01/11/2017 11:28 AM, Jakub Jelinek wrote: > On Wed, Jan 11, 2017 at 11:21:08AM +0100, Christophe Lyon wrote: >> Since then, I've noticed that >> gcc.dg/tree-ssa/flatten-3.c scan-assembler cycle[123][: \t\n] >> now fails on aarch64 and arm targets. > > It fails on x86_64-linux and i686-linux too. > > Jakub > Ok, problem is that we used to merge: Semantic equality hit:doubleindirect1->subcycle1 Semantic equality hit:doubleindirect1->doublesubcycle1 Semantic equality hit:subcycle->doublesubcycle and after my patch it changed to: Semantic equality hit:doublesubcycle->subcycle Semantic equality hit:doublesubcycle1->subcycle1 Semantic equality hit:doublesubcycle1->doubleindirect1 As output is grepped for a cycle[123], so of them would be merged. Thus, adding -fno-ipa-icf would be the right fix. Ready to be installed? Thanks, Martin >From 2facdc8b5730568ead389e7d4af8a4f6b04e9cbc Mon Sep 17 00:00:00 2001 From: marxin Date: Wed, 11 Jan 2017 11:46:14 +0100 Subject: [PATCH] Fix flatten-3.c test-case. gcc/testsuite/ChangeLog: 2017-01-11 Martin Liska * gcc.dg/tree-ssa/flatten-3.c: Add -fno-ipa-icf to dg-options. --- gcc/testsuite/gcc.dg/tree-ssa/flatten-3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.dg/tree-ssa/flatten-3.c b/gcc/testsuite/gcc.dg/tree-ssa/flatten-3.c index a1edb910e9d..153165c72e3 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/flatten-3.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/flatten-3.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options -O2 } */ +/* { dg-options -O2 -fno-ipa-icf } */ extern void do_something_usefull(); /* Check that we finish compiling even if instructed to -- 2.11.0