From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ciao.gmane.io (ciao.gmane.io [116.202.254.214]) by sourceware.org (Postfix) with ESMTPS id 852163858D35 for ; Fri, 8 Mar 2024 06:41:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 852163858D35 Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=m.gmane-mx.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 852163858D35 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=116.202.254.214 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709880119; cv=none; b=vAuRGlivgE+m0bQ9AzoARgPjDOzef0Ilj0Ga8SFiGw3LYZBF1rDS1o7hE3j9/NbNsF+HPNaz0X+xv6BXFsn6T3oxL/C1OpQJqr6BnMag3MJQhW3qv4ZdvnLX3FzTuloBjy+JHdpY0gcAgpsV8pIRf5p6kzwNDw1Ovu7edS2uwEs= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709880119; c=relaxed/simple; bh=FX0ua+2fNUYMAO29mexlDLj799HG5AsPTnQYuB8zaZ4=; h=To:From:Subject:Date:Message-ID:Mime-Version; b=cO7AvprstH+s2jC6EakeNNyTJmxIiu7lbvZRR+gfoUjuknuFFHxtvH9wBbiDdqhSxPJ+mvraTzsYroNa6wWZ4mMLzOw170xBhQ1cYJkWCQNDZLlk0DPfL22wrFUa/GLMRLZRjjso2i/brV2iHt+2Ytm07yvU6kYIhQ8TLFdUZAg= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1riTvZ-0000zj-LI for gcc-help@gcc.gnu.org; Fri, 08 Mar 2024 07:41:57 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: gcc-help@gcc.gnu.org From: Christer Solskogen Subject: Re: mfix-cortex-a53 Date: Fri, 8 Mar 2024 07:41:51 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Mozilla Thunderbird Content-Language: en-US In-Reply-To: X-Spam-Status: No, score=3.3 required=5.0 tests=BAYES_05,DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FORGED_MUA_MOZILLA,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,KAM_DMARC_STATUS,KAM_NUMSUBJECT,NML_ADSP_CUSTOM_MED,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: *** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 3/7/2024 8:09 PM, Wilco Dijkstra via Gcc-help wrote: > Hi, > >> Are there any good reason for NOT having them enabled? > > Yes, there is a codesize and performance impact (and it can be > nasty if you have a hot loop that crosses a page). > > So only use the option if you're using Cortex-A53 and you're > unlucky enough to have an early revision with the bug. > It is absolutely not needed for any newer core. > Thanks a lot! -- chs