From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by sourceware.org (Postfix) with ESMTPS id A330C3858C3A; Fri, 23 Jun 2023 23:27:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A330C3858C3A 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 X-IronPort-AV: E=McAfee;i="6600,9927,10750"; a="360917721" X-IronPort-AV: E=Sophos;i="6.01,153,1684825200"; d="scan'208";a="360917721" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2023 16:27:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10750"; a="780750813" X-IronPort-AV: E=Sophos;i="6.01,153,1684825200"; d="scan'208";a="780750813" Received: from shvmail03.sh.intel.com ([10.239.245.20]) by fmsmga008.fm.intel.com with ESMTP; 23 Jun 2023 16:27:41 -0700 Received: from shliclel4214.sh.intel.com (shliclel4214.sh.intel.com [10.239.240.214]) by shvmail03.sh.intel.com (Postfix) with ESMTP id F33631007813; Sat, 24 Jun 2023 07:27:40 +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 35NNRdQV1657816; Sat, 24 Jun 2023 07:27:39 +0800 Received: (from haochenj@localhost) by shliclel4214.sh.intel.com (8.16.1/8.12.8/MailSET/Submit) id 35NNRcmI1657815; Sat, 24 Jun 2023 07:27:38 +0800 From: "haochen.jiang" Message-Id: <202306232327.35NNRcmI1657815@shliclel4214.sh.intel.com> Date: Sat, 24 Jun 2023 07:27:38 +0800 To: roger@nextmovesoftware.com, gcc-regression@gcc.gnu.org, gcc-patches@gcc.gnu.org, haochen.jiang@intel.com Subject: [r14-2047 Regression] FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]xorb on Linux/x86_64 User-Agent: s-nail v14.9.22 X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,KAM_NUMSUBJECT,KAM_SHORT,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, d0e891406b16dc28905717de2333f5637cf71d3e is the first bad commit commit d0e891406b16dc28905717de2333f5637cf71d3e Author: Roger Sayle Date: Fri Jun 23 15:23:20 2023 +0100 Improved SUBREG simplifications in simplify-rtx.cc's simplify_subreg. caused FAIL: gcc.target/i386/pr78904-1b.c scan-assembler-not movb FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]andb FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]orb FAIL: gcc.target/i386/pr78904-1b.c scan-assembler [ \t]xorb with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2047/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="i386.exp=gcc.target/i386/pr78904-1b.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr78904-1b.c --target_board='unix{-m64\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)