From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) by sourceware.org (Postfix) with ESMTPS id E22073858D1E; Wed, 24 Jan 2024 04:11:37 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E22073858D1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=ecsmtp.sh.intel.com Authentication-Results: sourceware.org; spf=none smtp.mailfrom=ecsmtp.sh.intel.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org E22073858D1E Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=192.198.163.11 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706069500; cv=none; b=c1ovGj7EEavV5KSKyBow5EjWtNpjeK4fdks3rWC7RNDVyXUixBIy50JeCdDJAW7qfUChsSL6BWzUTa9QnsChJtyhEj/tXILXRO5LXLnPUv4Na1/VVN4SeIfsdZcOcx+lEqqREL+t82Mrgdge4Fw3LkVRGFccKI6zTY94h1oEiAQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706069500; c=relaxed/simple; bh=DxYWvrHwpXxCNgh8+xFHs8ujg0qXc1y99Vobewf7WOY=; h=From:Message-Id:Date:To:Subject; b=rZZP/W6h47M73UkQrM3f4SWHfbEWQ1/XhC5g/3bAbtUbCp13u9LBarme/plM7pTA2xCc485f8KT0HO30u/xZXXVGZfSWgPz7RkAu4rYAvA60Mt4MRVHY5Ol0L3+b8kSctG02h8mWPceyDln0AqYlaUCNJDQrJgjEt2IYQsikPcs= ARC-Authentication-Results: i=1; server2.sourceware.org X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="8410121" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="8410121" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2024 20:11:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="28257503" Received: from shvmail03.sh.intel.com ([10.239.245.20]) by fmviesa001.fm.intel.com with ESMTP; 23 Jan 2024 20:11:35 -0800 Received: from shliclel4214.sh.intel.com (shliclel4214.sh.intel.com [10.239.240.214]) by shvmail03.sh.intel.com (Postfix) with ESMTP id 9BFE6100568E; Wed, 24 Jan 2024 12:11:33 +0800 (CST) Received: from shliclel4214.sh.intel.com (localhost [127.0.0.1]) by shliclel4214.sh.intel.com (8.16.1/8.12.8/MailSET/client) with ESMTP id 40O4BXBI3846733; Wed, 24 Jan 2024 12:11:33 +0800 Received: (from haochenj@localhost) by shliclel4214.sh.intel.com (8.16.1/8.16.1/Submit) id 40O4BW5u3846732; Wed, 24 Jan 2024 12:11:32 +0800 From: "haochen.jiang" Message-Id: <202401240411.40O4BW5u3846732@shliclel4214.sh.intel.com> Date: Wed, 24 Jan 2024 12:11:32 +0800 To: rguenther@suse.de, gcc-regression@gcc.gnu.org, gcc-patches@gcc.gnu.org, haochen.jiang@intel.com Subject: [r14-8346 Regression] FAIL: gcc.dg/guality/pr54796.c -Os -DPREVENT_OPTIMIZATION line 17 c == 5 on Linux/x86_64 User-Agent: s-nail v14.9.22 X-Spam-Status: No, score=-0.6 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,KAM_NUMSUBJECT,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Linux/x86_64, a98d5130a6dcff2ed4db371e500550134777b8cf is the first bad commit commit a98d5130a6dcff2ed4db371e500550134777b8cf Author: Richard Biener Date: Mon Jan 15 12:55:20 2024 +0100 rtl-optimization/113255 - base_alias_check vs. pointer difference caused FAIL: gcc.dg/torture/pr113255.c -O0 (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O1 (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O2 -flto -fno-use-linker-plugin -flto-partition=none (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O2 (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -O3 -g (test for excess errors) FAIL: gcc.dg/torture/pr113255.c -Os (test for excess errors) with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-8346/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap To reproduce: $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg-torture.exp=gcc.dg/torture/pr113255.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dg-torture.exp=gcc.dg/torture/pr113255.c --target_board='unix{-m32\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com) (If you met problems with cascadelake related, disabling AVX512F in command line might save that.) (However, please make sure that there is no potential problems with AVX512.)