From patchwork Wed Jan 27 10:04:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dominik Vogt X-Patchwork-Id: 573896 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id D12FA140BD6 for ; Wed, 27 Jan 2016 21:04:50 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b=jRwX4vLT; dkim-atps=neutral DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:cc:subject:message-id:reply-to:mime-version :content-type; q=dns; s=default; b=TbBe+W9lm9no2lvwEHhff2DGwwKM4 eFdCz0jlLHrefGsUxJiqQB5BSmIY9h5NrojIXCX4+yHCEk2z8WEleq2/YNO/tevo Y9p8udGOUh46gG3sidcMT/t++c6Xj9iYLAEV9iqye7PQkq2kXp7GvMQfOnWrpTBd jLPaaEs6MhOd74= 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:date :from:to:cc:subject:message-id:reply-to:mime-version :content-type; s=default; bh=maLoxkqLofNNZ8YeZng/0DPepkw=; b=jRw X4vLTP81bHrcXEFZvbEGbCI+RIkeUQlrbmtfpb8tl2nDYeIpDVz5QfNaBz9mSc9g /sPtvXn6rB9CigjKEDbp0Wmz76x05Jon4CU+HDLsHe58gCFHcC9pfKSzBRWopT5I p9wn/pdjBHS2rPStPLPHskgP+V02VFBmMCyfbqw8= Received: (qmail 94292 invoked by alias); 27 Jan 2016 10:04:41 -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 94272 invoked by uid 89); 27 Jan 2016 10:04:40 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.1 required=5.0 tests=AWL, BAYES_40, KAM_LAZY_DOMAIN_SECURITY, RP_MATCHES_RCVD autolearn=no version=3.3.2 spammy=UD:ssa-dom-cse-2.c, ssa-dom-cse-2.c, ssadomcse2c, 2.3.0 X-HELO: e06smtp12.uk.ibm.com Received: from e06smtp12.uk.ibm.com (HELO e06smtp12.uk.ibm.com) (195.75.94.108) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Wed, 27 Jan 2016 10:04:40 +0000 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Message-ID: <20160127100432.GA32274@linux.vnet.ibm.com> Reply-To: vogt@linux.vnet.ibm.com Mail-Followup-To: vogt@linux.vnet.ibm.com, gcc-patches@gcc.gnu.org, Andreas Krebbel MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16012710-0009-0000-0000-0000076BC74F The test case works on S/390 too, but only with -march=z13 or later (i.e. if Gcc can make use of hardware vector support). Otherwise the optimization gets too complex. The attached patch forces Gcc to use -march=z13 instead of xfail'ing the test on S/390. What do you think about this approach? Ciao Dominik ^_^ ^_^ From d855b255132d6a3ef46571e84aa75c95d8c3c737 Mon Sep 17 00:00:00 2001 From: Dominik Vogt Date: Wed, 27 Jan 2016 08:55:03 +0100 Subject: [PATCH] S/390: Require a hardware vector support for test to succeed. --- gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-2.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-2.c index 2349400..f68b53b 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-2.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-2.c @@ -1,5 +1,9 @@ /* { dg-do compile } */ /* { dg-options "-O3 -fno-tree-fre -fno-tree-pre -fdump-tree-optimized --param sra-max-scalarization-size-Ospeed=32" } */ +/* S390 needs hardware vector support for this to work (the optimization gets + * too complex without it. + * { dg-additional-options "-march=z13" { target { s390*-*-* } } } */ + int foo () -- 2.3.0