From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by sourceware.org (Postfix) with ESMTPS id BA5B53858D37 for ; Wed, 28 Jun 2023 06:54:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org BA5B53858D37 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id E512221861; Wed, 28 Jun 2023 06:54:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1687935278; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vsQ3D91wRdS6R+k+5aAZYOzxoDVSz8i2PB4bq2ehOfI=; b=g0F16XVO9MhZ24nQ5MsR3hJET97NruKoSiY0u7w9lxUpRxi/8CR2SJQE0Hw7u2mKBe3tXn BjGzaOqQSbwYUB740jXNJATo1aTL1sjGFhHiFOC6mq9CxDRrCUxrgTb741p0cf8qKCwe+o fvckihtYQResu1FaHYGfIaVW/ihq4T4= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1687935278; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=vsQ3D91wRdS6R+k+5aAZYOzxoDVSz8i2PB4bq2ehOfI=; b=a8MApWAWu+cQVH5ldSdBPJW5jl3NIg6QBVmgcsixe6VJFIzFQzNIi03N4Xy4OyaSPmF6hk tGfZnuwGpBabeVBQ== Received: from wotan.suse.de (wotan.suse.de [10.160.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id AECF32C2B8; Wed, 28 Jun 2023 06:54:38 +0000 (UTC) Date: Wed, 28 Jun 2023 06:54:38 +0000 (UTC) From: Richard Biener To: gcc-patches@gcc.gnu.org cc: haochen.jiang@intel.com Subject: Re: [r14-2117 Regression] FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4 on Linux/x86_64 In-Reply-To: <202306272229.35RMTx7m902419@shliclel4214.sh.intel.com> Message-ID: References: <202306272229.35RMTx7m902419@shliclel4214.sh.intel.com> User-Agent: Alpine 2.22 (LSU 394 2020-01-19) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_NUMSUBJECT,SPF_HELO_NONE,SPF_PASS,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 Wed, 28 Jun 2023, haochen.jiang wrote: > On Linux/x86_64, > > dd86a5a69cbda40cf76388a65d3317c91cb2b501 is the first bad commit > commit dd86a5a69cbda40cf76388a65d3317c91cb2b501 > Author: Richard Biener > Date: Thu Jun 22 11:40:46 2023 +0200 > > tree-optimization/96208 - SLP of non-grouped loads > > caused > > FAIL: gcc.dg/vect/slp-46.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 4 > FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4 > > with GCC configured with > > ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2117/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="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.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) I have opened PR110445 for the missed optimization.