From patchwork Fri Apr 26 09:01:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jiang, Haochen" X-Patchwork-Id: 89028 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 48D14384AB6A for ; Fri, 26 Apr 2024 09:04:07 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by sourceware.org (Postfix) with ESMTPS id 3F2923858C50 for ; Fri, 26 Apr 2024 09:03:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3F2923858C50 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=intel.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 3F2923858C50 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=198.175.65.19 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714122222; cv=none; b=JvfrUig2zYYKRDHV3iNSWfNYh1prvvbKZsr8bNe3BuJYD5yqZ0iTQBZRnn2liM5VFkT2ezv9K9gomCUx+4lcmZ1T8f4kS+R6C7JTYK72D2jGpzPMJfoquLqT8Fj96EF4lGJJH3oka1H8wKGGuoWiqDDV34dUWbt63ARQsSEYWks= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714122222; c=relaxed/simple; bh=vlqhy+zj/TfOhlkYmgNO8IR7W+JHZP9CNhJ8umZ0E/I=; h=DKIM-Signature:From:To:Subject:Date:Message-Id:MIME-Version; b=FTrydvnBJRKN1datKGDKZOirMYnnSmdaIF/70yQYwp8g559SGDgAosPxwyLT3JVgzTh3J3mM8xzZrACDScoAAtGb/AN4SK3PMm8so8a1VlvzbcW39eG53ji/JN0kEfvPC8yme1uPzHCUCFV/cVirmKWw/U6YIQOpSrxStTZWXYo= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1714122213; x=1745658213; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=vlqhy+zj/TfOhlkYmgNO8IR7W+JHZP9CNhJ8umZ0E/I=; b=GAgXRKkyDWe/A0oKrNA/snXOawolhGs3PKaM3myau6dyJqOLNf3Gk28v yAz5XFu0yYsmHhGA1qexUW5R+oP4xmdTkxi+Qo6MOF3uwol9+ytAT0AE0 z7y/4S+uI5okpugFE80Z5S//tDnOnkJivHDeR4DF0wm7U7vr6SxPepnGY CswCO1XwyKgmsMnuvqMvYLub6yNj5kOLmzV7tSAX7lpTf8mGzI121MOFS 0we2aZ7/j/n3w/pNjhcGlect0PIWFbS0gvEwRsWFeYtXl3D8iBO6IYIua U7YdJNRwIYcpqAOPidikvOkVOvlNstZ6K4T+amG154HfDyh1m+EP0DIlk w==; X-CSE-ConnectionGUID: Te9pb6qJRdmmrDmOLpeUFw== X-CSE-MsgGUID: GOnQQ3u7TjKeBNKtNPHtEg== X-IronPort-AV: E=McAfee;i="6600,9927,11055"; a="9712856" X-IronPort-AV: E=Sophos;i="6.07,232,1708416000"; d="scan'208";a="9712856" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2024 02:03:31 -0700 X-CSE-ConnectionGUID: jODo74otS8+m/IGXYuMnqw== X-CSE-MsgGUID: J0Q6Gk6hQ9eWvtJ5NwSjTg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,232,1708416000"; d="scan'208";a="56292980" Received: from shvmail03.sh.intel.com ([10.239.245.20]) by orviesa002.jf.intel.com with ESMTP; 26 Apr 2024 02:03:30 -0700 Received: from shliclel4217.sh.intel.com (shliclel4217.sh.intel.com [10.239.240.127]) by shvmail03.sh.intel.com (Postfix) with ESMTP id BBD7A1007C06; Fri, 26 Apr 2024 17:03:28 +0800 (CST) From: Haochen Jiang To: gcc-patches@gcc.gnu.org Cc: hongtao.liu@intel.com, ubizjak@gmail.com Subject: [PATCH] i386: Fix array index overflow in pr105354-2.c Date: Fri, 26 Apr 2024 17:01:28 +0800 Message-Id: <20240426090128.3722605-1-haochen.jiang@intel.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Spam-Status: No, score=-11.0 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Hi all, The array index should not be over 8 for v8hi, or it will fail under -O0 or using -fstack-protector. This patch aims to fix that, which is mentioned in PR110621. Commit as obvious and backport to GCC13. Thx, Haochen gcc/testsuite/ChangeLog: PR target/110621 * gcc.target/i386/pr105354-2.c: As mentioned. --- gcc/testsuite/gcc.target/i386/pr105354-2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.target/i386/pr105354-2.c b/gcc/testsuite/gcc.target/i386/pr105354-2.c index b78b62e1e7e..1c592e84860 100644 --- a/gcc/testsuite/gcc.target/i386/pr105354-2.c +++ b/gcc/testsuite/gcc.target/i386/pr105354-2.c @@ -17,7 +17,7 @@ sse2_test (void) b.a[i] = i + 16; res_ab.a[i] = 0; exp_ab.a[i] = -1; - if (i <= 8) + if (i < 8) { c.a[i] = i; d.a[i] = i + 8;