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[8.43.85.97]) by mx.google.com with ESMTPS id rh16-20020a17090720f000b00992ae4db3c9si3086660ejb.15.2023.09.01.15.54.03 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Sep 2023 15:54:04 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org" Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9891A3858414 for ; Fri, 1 Sep 2023 22:54:01 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from hamza.pair.com (hamza.pair.com [209.68.5.143]) by sourceware.org (Postfix) with ESMTPS id D46A23858D20 for ; Fri, 1 Sep 2023 22:53:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org D46A23858D20 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=pfeifer.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=pfeifer.com Received: from hamza.pair.com (localhost [127.0.0.1]) by hamza.pair.com (Postfix) with ESMTP id 6C62533E60 for ; Fri, 1 Sep 2023 18:53:29 -0400 (EDT) Received: from [192.168.1.80] (188-23-56-154.adsl.highway.telekom.at [188.23.56.154]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by hamza.pair.com (Postfix) with ESMTPSA id 0D6B733E5E for ; Fri, 1 Sep 2023 18:53:28 -0400 (EDT) Date: Sat, 2 Sep 2023 00:53:27 +0200 (CEST) From: Gerald Pfeifer To: gcc-patches@gcc.gnu.org Subject: [pushed] wwwdocs: gcc-12: Improve language around vectorizer and -O2 MIME-Version: 1.0 X-Scanned-By: mailmunge 3.11 on 209.68.5.143 Message-Id: <20230901225329.6C62533E60@hamza.pair.com> X-Spam-Status: No, score=-10.2 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_NUMSUBJECT, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1775877587212113739 X-GMAIL-MSGID: 1775877587212113739 Pushed. Gerald --- htdocs/gcc-12/changes.html | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html index 3816d06f..b10f2aa4 100644 --- a/htdocs/gcc-12/changes.html +++ b/htdocs/gcc-12/changes.html @@ -127,10 +127,12 @@ You may also want to check out our

General Improvements

    -
  • Vectorization is enabled at -O2 which is now equivalent to the - original -O2 -ftree-vectorize -fvect-cost-model=very-cheap. - Note that default vectorizer cost model has been changed which used to behave - as -fvect-cost-model=cheap were specified. +
  • Vectorization is enabled at -O2 which is now + equivalent to what would have been + -O2 -ftree-vectorize -fvect-cost-model=very-cheap + in the past. Note that the default vectorizer cost model has + been changed; it used to behave as if + -fvect-cost-model=cheap had been specified.
  • GCC now supports the