From patchwork Fri Nov 5 07:07:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: liuhongt X-Patchwork-Id: 47090 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 D3B493858411 for ; Fri, 5 Nov 2021 07:08:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D3B493858411 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1636096122; bh=GZEsI/rIYJjDhVRTEnBUDhK6uUgzySB9wA3aVOMpz30=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=Dn1RERtqrQuL0HdpnYBqa/XkJIk9zcJG0HlH7rShCJEyRx3vw+s9G2Rb4tjqAc14m OOt8oMApZAyKRyKLaByRoDeZeyT7DymhbuRkUDLzGQFEO96917s+AZgxaxR1z6O3G8 1Otlt/IHmKvP4HZMz/hM6REpJYkihgN37vqOZbl4= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by sourceware.org (Postfix) with ESMTPS id 5FB363858406 for ; Fri, 5 Nov 2021 07:07:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 5FB363858406 X-IronPort-AV: E=McAfee;i="6200,9189,10158"; a="229320622" X-IronPort-AV: E=Sophos;i="5.87,210,1631602800"; d="scan'208";a="229320622" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2021 00:07:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,210,1631602800"; d="scan'208";a="501845760" Received: from scymds02.sc.intel.com ([10.82.73.244]) by orsmga008.jf.intel.com with ESMTP; 05 Nov 2021 00:07:50 -0700 Received: from shliclel051.sh.intel.com (shliclel051.sh.intel.com [10.239.236.51]) by scymds02.sc.intel.com with ESMTP id 1A577m8h024119; Fri, 5 Nov 2021 00:07:49 -0700 To: gcc-patches@gcc.gnu.org Subject: [PATCH] Update documentation for -ftree-loop-vectorize and -ftree-slp-vectorize which are enabled by default at -02. Date: Fri, 5 Nov 2021 15:07:48 +0800 Message-Id: <20211105070748.14462-1-hongtao.liu@intel.com> X-Mailer: git-send-email 2.18.1 X-Spam-Status: No, score=-11.5 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_NONE, KAM_DMARC_STATUS, KAM_LAZY_DOMAIN_SECURITY, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: liuhongt via Gcc-patches From: liuhongt Reply-To: liuhongt Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Bootstrappend on x86_64-pc-linux-gnu{-m32,} Ok for trunk? gcc/ChangeLog: PR tree-optimization/103077 * doc/invoke.texi (Options That Control Optimization): Update documentation for -ftree-loop-vectorize and -ftree-slp-vectorize which are enabled by default at -02. --- gcc/doc/invoke.texi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index c5730228821..22d17090641 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -11958,13 +11958,13 @@ and @option{-ftree-slp-vectorize} if not explicitly specified. @item -ftree-loop-vectorize @opindex ftree-loop-vectorize Perform loop vectorization on trees. This flag is enabled by default at -@option{-O3} and by @option{-ftree-vectorize}, @option{-fprofile-use}, +@option{-O2} and by @option{-ftree-vectorize}, @option{-fprofile-use}, and @option{-fauto-profile}. @item -ftree-slp-vectorize @opindex ftree-slp-vectorize Perform basic block vectorization on trees. This flag is enabled by default at -@option{-O3} and by @option{-ftree-vectorize}, @option{-fprofile-use}, +@option{-O2} and by @option{-ftree-vectorize}, @option{-fprofile-use}, and @option{-fauto-profile}. @item -ftrivial-auto-var-init=@var{choice}