From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oo1-xc33.google.com (mail-oo1-xc33.google.com [IPv6:2607:f8b0:4864:20::c33]) by sourceware.org (Postfix) with ESMTPS id B5C343858D39 for ; Sun, 17 Dec 2023 18:05:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B5C343858D39 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org B5C343858D39 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::c33 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1702836319; cv=none; b=OHRd7z9rszsD0mufb9RzJPutw8j9lK90faQORDKbpkMpERQpxNzDMOXMNhkujXnEfqJUwZVCltGO6p/UEQARPsAz3+U0iDluY0/CB7Grz7IWoPmb7jHXExb++jj5PsJwrPh6Dn4sIBaeN1kGFrMHs+wwau/dBta2bsXoCXOFd3s= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1702836319; c=relaxed/simple; bh=YNQl6qXRhJOHlW4tgX3vLbpsLaYMeLUSLUgO0ii2Xq4=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=awqLf9Sk6Zm3imRmQvJcmlQAJ8m9FZr/wd1JzZvNO1sfknNsTJkTs8G1wpS7UerBA0gBr1h3IGv9H/y0dwo9JYNWTM0NlrkLF2eB2oyqAOfeF3bW4anHj3yQZSlZqnp1czuNGVY1Gc0OesGSeYa/trCNYuVJBTuTnmnLToaVN4U= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-oo1-xc33.google.com with SMTP id 006d021491bc7-590bb31ccf5so1894615eaf.3 for ; Sun, 17 Dec 2023 10:05:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1702836317; x=1703441117; darn=gcc.gnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=YNQl6qXRhJOHlW4tgX3vLbpsLaYMeLUSLUgO0ii2Xq4=; b=g80e6wpQGRKnyKXhiDth+WbY2AkaqsaIvgPhDOwNg3UPZKQ6+C7AYheTGqd0y+I1UJ oUr1me2mgU9iGQnAdP+VaLgIfOdq72zDu5XjA9vXTe3VGuWXvOuN767jI8XDK6JgenS7 l3XrKCyES5XVgoGMo8K4DKQwDheuPk33RXQblBoH9IPNuXXvCZaXEGJjRg/pkMbbc4lr k1SWDH0W8UQ+KGCNUqyUCFy0rDAo4kMZHhtDb7KY5Pz99rCFKe811qe53ft/an3nXMOw sF1wV27yO8DlybP8CJx46D/1MK8iloEQcROOMComswVJkF+ogDN1B3OT7C4GGVO11Riw NVFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1702836317; x=1703441117; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YNQl6qXRhJOHlW4tgX3vLbpsLaYMeLUSLUgO0ii2Xq4=; b=CiWlbxmh3FYR0bJ1vzmzy2DOztftUtb0xSJgsyXAKASfsdQeyEvv5vgeAq9xivCg+a kyi/UspO2TIsDvUwWQqKY0iEN6IAot+AqEmrEq/n+w7Aw11Zj6ibeynFA5Tr5UVTERhX /etZHDIlVOnrSjNcnsLWyzuELZTzwPQ60n8GXqL7QhqvbsKi8wWid8CDHs/lrL77lgZv MA6uy3k1XZIB5ZsYF7I4+B4mSORuXqOWwwLYtlme1UmdaWe33RFgiL19pFettMnA9Y5O h72CA8UFqRNLZoweAa/gdUmeDCAgDR1FJuajfMLzsZln/cHgLQvskyhFcpyExJ7xvsNk CFtg== X-Gm-Message-State: AOJu0Yx0icnzaS2fKmgj9gFr2mVYMrhXFnVYtnNPZu5is667vGNzFuN0 Ff+kWUiB4D2N5qhru8bHGYcQG43a6vpvzonKeRc= X-Google-Smtp-Source: AGHT+IFXmyesyx+ca6yYkuDQko86FvNYO7JrHsMS/W++xSccB/ENUlFPVfLc6SvYaJM35SMk1moCoMtleY41wF55Bfc= X-Received: by 2002:a05:6359:6f99:b0:170:8ef:d223 with SMTP id tl25-20020a0563596f9900b0017008efd223mr11929807rwb.25.1702836317395; Sun, 17 Dec 2023 10:05:17 -0800 (PST) MIME-Version: 1.0 References: <87wmtc4wxx.fsf@oldenburg.str.redhat.com> In-Reply-To: <87wmtc4wxx.fsf@oldenburg.str.redhat.com> From: Andrew Pinski Date: Sun, 17 Dec 2023 10:05:05 -0800 Message-ID: Subject: Re: Deprecating -fgnu-tm support for GCC 14 and removing it for GCC 15 To: Florian Weimer Cc: Andrew Pinski via Gcc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,KAM_NUMSUBJECT,RCVD_IN_DNSWL_NONE,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 Sun, Dec 17, 2023 at 8:26=E2=80=AFAM Florian Weimer = wrote: > > * 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)? Yes. and the front-end support for it. Thanks, Andrew > > Thanks, > Florian >