From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw1-x112b.google.com (mail-yw1-x112b.google.com [IPv6:2607:f8b0:4864:20::112b]) by sourceware.org (Postfix) with ESMTPS id 45E1139540BA for ; Fri, 6 May 2022 18:06:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 45E1139540BA Received: by mail-yw1-x112b.google.com with SMTP id 00721157ae682-2f7ca2ce255so89803607b3.7 for ; Fri, 06 May 2022 11:06:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=WJ5+0ppwxVECrFA5SDfnUW0w5tx8/1+/yvp+HIg3KxU=; b=Tc2JprvWWSqS08SLgWd81mwkeS4nCQlvDtephiQKS8LhUPFxBsPSCRpBJrPrh7uulO aqHOuWHquXXti2/+sk+cwy7samqUsdpihVkIJhmlBk53vSwDpXy+Sk27fpKQgZGVdC2C o2QFGZQFaXAUqx/NTrRuH2SJFgEd0v8dPV84N4z/n8W8YMvaY66c4k4cxXQQXW85+M8/ Qh8ayVVvVdr2iE87aefPHnWp/QZ6WchXx+Uuzw7fK8ah/p6I0eWFv/ZAfpB4cg1ODh22 Ox6RLltFqZGSTFh4Bl00SkUUlDleq6NUlMmBkg+4kHmTbqCSXZt9ush7TVF5YStdw8T3 Vn8w== X-Gm-Message-State: AOAM530xdJY6ho3VSAk9W9aGpeOXvYbNls0W2bm2V+etJjyjh7AWZHYf rIeM0gMoIUpPWgpHfI/sQIJVNIHMPZ1OulEqGzsof635Tx0= X-Google-Smtp-Source: ABdhPJw8+6qJiR+0uemnSLg6c1z20uqWXhtj6ozhxMQvGkBM83J0Cw/jFZGq43VpCm3gAoFIFpfIUzZFev6xrBcARPE= X-Received: by 2002:a0d:cb41:0:b0:2f7:d205:9c99 with SMTP id n62-20020a0dcb41000000b002f7d2059c99mr3761758ywd.417.1651860363367; Fri, 06 May 2022 11:06:03 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Pramesh Gupta Date: Fri, 6 May 2022 23:35:56 +0530 Message-ID: Subject: Re: GCC 12.1 Released To: gcc@gcc.gnu.org X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, HTML_MESSAGE, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: gcc@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 May 2022 18:06:14 -0000 UNSUBSCRIBE On Fri, 6 May 2022, 14:57 Richard Biener via gcc-announce, < gcc-announce@gcc.gnu.org> wrote: > > The GCC developers are proud to announce another major GCC release, 12.1. > > This year we celebrated the 35th anniversary of the first GCC beta release > and this month we will celebrate 35 years since the GCC 1.0 release! > > This release deprecates support for the STABS debugging format and > introduces support for the CTF debugging format [1]. The C and C++ > frontends continue to advance with extending support for features > in the upcoming C2X and C++23 standards and the C++ standard library > improves support for the experimental C++20 and C++23 parts. > The Fortran frontend now fully supports TS 29113 for interoperability with > C. > > GCC now understands clangs __builtin_shufflevector extension making > it easier to share generic vector code. Starting with GCC 12 > vectorization is enabled at the -O2 optimization level using the > very-cheap cost model which puts extra constraints on code size expansion. > > On the security side GCC can now initialize stack variables implicitly > using -ftrivial-auto-var-init to help tracking down and mitigating > uninitialized stack variable flaws. The C and C++ frontends now support > __builtin_dynamic_object_size compatible with the clang extension. > The x86 backend gained mitigations against straight line speculation > with -mharden-sls. The experimental Static Analyzer gained uninitialized > variable use detection and many other improvements. > > The x86 backend gained support for AVX512-FP16 via _Float16. > The BPF backend now supports CO-RE, the RISC-V backend gained support > for many new ISA extensions. > > Some code that compiled successfully with older GCC versions might require > source changes, see http://gcc.gnu.org/gcc-12/porting_to.html for > details. > > See > > https://gcc.gnu.org/gcc-12/changes.html > > for more information about changes in GCC 12.1. > > This release is available from the WWW and FTP servers listed here: > > https://sourceware.org/pub/gcc/releases/gcc-12.1.0/ > https://gcc.gnu.org/mirrors.html > > The release is in the gcc-12.1.0/ subdirectory. > > If you encounter difficulties using GCC 12.1, please do not contact me > directly. Instead, please visit http://gcc.gnu.org for information about > getting help. > > Driving a leading free software project such as GCC would not be possible > without support from its many contributors. > Not only its developers, but especially its regular testers and users which > contribute to its high quality. The list of individuals > is too large to thank individually! > > ---- > > [1] See https://ctfstd.org/ >