From patchwork Fri Jan 10 10:20:59 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Renlin Li X-Patchwork-Id: 309239 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 590372C0084 for ; Fri, 10 Jan 2014 21:21:12 +1100 (EST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :message-id:date:from:mime-version:to:cc:subject:content-type; q=dns; s=default; b=XRanajAhG0sx1ibPKb3nXiaGQu4p7QsjMbSvzuYeMVj laUm9LtfERysyk+GD/Kqr3a3Isd9vjfOzzbziyCclWmB8KQ1a8HBBUvRR1VRGOEb KpuOVmab9fwNokqVKRJOgnswgD8WPYK/+Y6nMd/e0vIqZh6nJcsBDcG4ScPWk4G0 = 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 :message-id:date:from:mime-version:to:cc:subject:content-type; s=default; bh=bSKwaC3id9eVDuHJJB9g2a2svQw=; b=CmlMZWJyoxaO/GcTu sUkwA5ncZ37aQMWX9dsXW2XCD7O4vlnDogi/Av2+JOMV/itvn3NnOK+BRdLcMKGU CPzVvdFYLP4ngjMGcZDKlcRDbN3+NzYd+4wwOI/a9PrIxlQaflGzZqe6cy8BG60w 6D6uyQUjyL3EHabP+tY1GZrVbY= Received: (qmail 10137 invoked by alias); 10 Jan 2014 10:21:06 -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 10125 invoked by uid 89); 10 Jan 2014 10:21:05 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL, BAYES_00, RCVD_IN_DNSWL_LOW, SPF_PASS autolearn=ham version=3.3.2 X-HELO: service87.mimecast.com Received: from service87.mimecast.com (HELO service87.mimecast.com) (91.220.42.44) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 10 Jan 2014 10:21:04 +0000 Received: from cam-owa2.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.21]) by service87.mimecast.com; Fri, 10 Jan 2014 10:21:02 +0000 Received: from [10.1.205.157] ([10.1.255.212]) by cam-owa2.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 10 Jan 2014 10:20:59 +0000 Message-ID: <52CFC98B.3090507@arm.com> Date: Fri, 10 Jan 2014 10:20:59 +0000 From: Renlin Li User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130804 Thunderbird/17.0.8 MIME-Version: 1.0 To: "gcc-patches@gcc.gnu.org" CC: Richard Earnshaw , Marcus Shawcroft Subject: Resolve pr44194-1.c failure by refining scan-rtl-dump-not pattern X-MC-Unique: 114011010210202401 X-IsSubscribed: yes Hi all, This patch will resolve testsuite/gcc.dg/pr44194-1.c failure observed in aarch64 target by refining the second scan-rtl-dump-not pattern. For aarch64 target, the following barrier is generated which will exactly match the current pattern "insn \[^\n\]*set \\(mem". This is undesired. By adjusting the pattern, this scenario is excluded. (insn 29 28 30 (set (mem:BLK (scratch) [0 A8]) (unspec:BLK [ (reg/f:DI 31 sp) (reg/f:DI 29 x29) ] UNSPEC_PRLG_STK)) pr44194-1.c:10 704 {stack_tie} (nil)) Okay for trunk? Regards, Renlin Li diff --git a/gcc/testsuite/gcc.dg/pr44194-1.c b/gcc/testsuite/gcc.dg/pr44194-1.c index 0182f75..8899500 100644 --- a/gcc/testsuite/gcc.dg/pr44194-1.c +++ b/gcc/testsuite/gcc.dg/pr44194-1.c @@ -15,5 +15,5 @@ void func() { /* { dg-final { scan-rtl-dump "global deletions = (2|3)" "dse1" } } */ /* { dg-final { cleanup-rtl-dump "dse1" } } */ -/* { dg-final { scan-rtl-dump-not "insn \[^\n\]*set \\(mem" "final" } } */ +/* { dg-final { scan-rtl-dump-not "insn \[^\n\]*set \\(mem(?!.*?stack_tie)" "final" } } */ /* { dg-final { cleanup-rtl-dump "final" } } */