From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id DE0123858CD1 for ; Sun, 17 Dec 2023 16:26:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DE0123858CD1 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org DE0123858CD1 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1702830400; cv=none; b=GA5H4wRWHo+WQB5udoXsHtWRJgy+bfslSgbQSH4v/caJbH2fJ+tBvEs/qEG3QOIGlmHYbROQw3w2H48QuTE/QAtTPxdeOx7BqDryKOfzYOK/0uwZx+lT1aVk59rReEJVQ4mI4HIhmzKEI6RbldFS7C42qDlwP51XSZoMY5k+Kys= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1702830400; c=relaxed/simple; bh=9rGZHuBnsWiqq63OGEdEKgtJvH5WOmuMPaTOgUoHT9o=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=TqzPy3sNf2ijruMRON2gqpYdF3KoaUwOfBeTYJOzyt9U/bOr0TmVy6iPCGxH5dFaMwVFcLeDHegn1WkHfi48IX5ZlGNYSin9SQFENFeFiCHCSpc3VCsQ9IAMRpQJpikVhKQbEBk4bGorsb3nQUJ4jThjp1IhbKJgvIfHRCtwL50= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1702830399; h=from:from:reply-to:subject:subject: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=9rGZHuBnsWiqq63OGEdEKgtJvH5WOmuMPaTOgUoHT9o=; b=EdY5N3m9b6W2mcuNFXPTwjvEYkrxgDjCic3vCHELV0Rhe7j2Z351M2UjEbrMo6Zf1pc0Y+ N/4u8ltgDYFi5dM5hxQ1wCc9pPTfFvMP8kSJjgH9nh1tva9fwq9MJVrIJ6RA6Oa1CsbSxh XEeQ/CftuE/lASAIPj0VDB/XloasRpA= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-346-rtg8h3ThPOOFc5DC5PItLw-1; Sun, 17 Dec 2023 11:26:37 -0500 X-MC-Unique: rtg8h3ThPOOFc5DC5PItLw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (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 mimecast-mx02.redhat.com (Postfix) with ESMTPS id 88D3229ABA02; Sun, 17 Dec 2023 16:26:37 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.77]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 97BD551D5; Sun, 17 Dec 2023 16:26:36 +0000 (UTC) From: Florian Weimer To: Andrew Pinski via Gcc Cc: Andrew Pinski Subject: Re: Deprecating -fgnu-tm support for GCC 14 and removing it for GCC 15 References: Date: Sun, 17 Dec 2023 17:26:34 +0100 In-Reply-To: (Andrew Pinski via Gcc's message of "Sat, 16 Dec 2023 12:15:42 -0800") Message-ID: <87wmtc4wxx.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,KAM_NUMSUBJECT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,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: * Andrew Pinski via Gcc: > -fgnu-tm support has not been improved since GCC 5 or earlier. It is > not even supported with LTO. Does it make sense to deprecate the > support for GCC 14 and remove it in GCC 15? Is this the stuff around libitm and that adds _ITM_registerTMCloneTable and _ITM_deregisterTMCloneTable symbol references to *all* binaries (whether they use transactional memory or not)? Thanks, Florian