From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by sourceware.org (Postfix) with ESMTPS id BB6FF385772F for ; Thu, 11 May 2023 01:07:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org BB6FF385772F Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gnu-clx-1.sc.intel.com Authentication-Results: sourceware.org; spf=none smtp.mailfrom=gnu-clx-1.sc.intel.com X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="339621689" X-IronPort-AV: E=Sophos;i="5.99,265,1677571200"; d="scan'208";a="339621689" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2023 18:07:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="823755146" X-IronPort-AV: E=Sophos;i="5.99,265,1677571200"; d="scan'208";a="823755146" Received: from scymds03.sc.intel.com ([10.148.94.166]) by orsmga004.jf.intel.com with ESMTP; 10 May 2023 18:07:04 -0700 Received: from gnu-clx-1.sc.intel.com (gnu-clx-1.sc.intel.com [172.25.70.179]) by scymds03.sc.intel.com (Postfix) with ESMTP id 1249661; Wed, 10 May 2023 18:07:04 -0700 (PDT) Received: by gnu-clx-1.sc.intel.com (Postfix, from userid 1000) id 114D03E001E; Wed, 10 May 2023 18:07:04 -0700 (PDT) Date: Wed, 10 May 2023 18:07:04 -0700 To: haochen.jiang@intel.com, hjl.tools@gmail.com, gcc-regression@gcc.gnu.org Subject: Regressions under Intel SDE on native/master at commit r14-669 vs commit r14-665 on Linux/x86_64 User-Agent: Heirloom mailx 12.5 7/5/10 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20230511010704.114D03E001E@gnu-clx-1.sc.intel.com> From: "H. J. Lu" X-Spam-Status: No, score=0.2 required=5.0 tests=BAYES_00,DKIM_ADSP_NXDOMAIN,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,KAM_NUMSUBJECT,KAM_SHORT,NO_DNS_FOR_FROM,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,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: New failures: FAIL: gcc.target/i386/sse2-mmx-pmaddwd.c (internal compiler error: in ix86_widen_mult_cost, at config/i386/i386.cc:20442) FAIL: gcc.target/i386/sse2-mmx-pmaddwd.c (test for excess errors) New passes: To reproduce the test failures: $ cd gcc $ make check RUNTESTFLAGS="--target_board='unix{-m32,}' i386.exp=failed-test" If a run-time test failure fails to reproduce, please run the executable under Intel SDE which can be downloaded from https://www.intel.com/content/www/us/en/developer/articles/tool/software-development-emulator.html $ ..../sde -future -- ./executable To debug executable under SDE: 1. Turn on SDE debug: $ ..../sde -future -debug -- ./executable and you should get: Application stopped until continued from debugger. Start GDB, then issue this command at the (gdb) prompt: target remote :xxxxx where xxxxx is a random number. 2. Run gdb $ gdb ./executable ... (gdb) target remote :xxxxx and you should get: ... Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 0x00007fae0fc07100 in _start () from /lib64/ld-linux-x86-64.so.2 (gdb)