From patchwork Tue May 7 10:34:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Hubicka X-Patchwork-Id: 1932390 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ucw.cz header.i=@ucw.cz header.a=rsa-sha256 header.s=gen1 header.b=SXXKxAvJ; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VYZRj3Bgvz1ydW for ; Tue, 7 May 2024 20:35:29 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9AE0F386F81C for ; Tue, 7 May 2024 10:35:27 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from nikam.ms.mff.cuni.cz (nikam.ms.mff.cuni.cz [195.113.20.16]) by sourceware.org (Postfix) with ESMTPS id A56AB386F46B for ; Tue, 7 May 2024 10:34:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A56AB386F46B Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=ucw.cz Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=kam.mff.cuni.cz ARC-Filter: OpenARC Filter v1.0.0 sourceware.org A56AB386F46B Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=195.113.20.16 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1715078100; cv=none; b=gFYoB4r/kfMn6Dq0tsNgUP8Z1C8AJjvNBdG7TICjnynLsTB0+hs05jt5HSOUE2tIXnrGKbRf5LljZMeIXYyxefbHNqewkCaSxYLGfgk9C/dYqI8DfFmKmJkNmNjWZZBPzOqUoFRZC1SJqLEib7BXhZj6lY57KdbS8h4g2DdUu3w= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1715078100; c=relaxed/simple; bh=YWa0OJZcHFpAF3ZhJxu2BUCb6PPVR7Sr8CYQw1P1Hu8=; h=DKIM-Signature:Date:From:To:Subject:Message-ID:MIME-Version; b=UNMUVPRDq5+Vj6G+oaQmEhbbzwtVj+ZEGV20IauSYVQghUG/jpjDS0cZOGdlqH+eFBEYtgej7d3Ax+S5u0Bfw6HFcjbBxFiLlAQfLwWfA0SN1ws5OHVSa9j1soiSQqvNJBk8kTiQWrQXwIQOfy3hHYYmH4OdGl9hTrlvt0vQNiE= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by nikam.ms.mff.cuni.cz (Postfix, from userid 16202) id B8350286EDF; Tue, 7 May 2024 12:34:57 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ucw.cz; s=gen1; t=1715078097; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type; bh=inM+th+Ieh9ydVUjj+XuQBRcEmYaatI6jbBfWPuv5GI=; b=SXXKxAvJVJ61OIEqljhAuAnC9uBdxrG5wJGyYKrA7EqDJEjwZrVWDVrPAsZu1Qpo2xsvBa V220hCJT7K3N10aksQIrmWIEah0VCk6Pcu6IC4E0Eh5sdmf8bep/y511CBVMQKa2KKjACH VX4E0dYvSNhoUH+D/bueQ05ebjss59w= Date: Tue, 7 May 2024 12:34:57 +0200 From: Jan Hubicka To: gcc-patches@gcc.gnu.org, gerald@pfeifer.com Subject: [wwwdocs] Add some more stuff into GCC14 changes.html Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Spam-Status: No, score=-10.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, HEADER_FROM_DIFFERENT_DOMAINS, JMQ_SPF_NEUTRAL, KAM_SHORT, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, 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+incoming=patchwork.ozlabs.org@gcc.gnu.org Hi, I realize that I am late for the release (sorry for that). But here are few things which I think may be added to changes.html at least for those who will look later. OK? Honza diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html index ca5174de..b390db51 100644 --- a/htdocs/gcc-14/changes.html +++ b/htdocs/gcc-14/changes.html @@ -158,6 +158,22 @@ You may also want to check out our or the vectorizer must be able to determine based on auxillary information that the accesses are aligned. +
  • Significant improvements in maintenance of edge profile across + optimizations performing control flow changes.
    • +
  • Condition coverage instrumentation is now available using + -fcondition-coverage + which can be analyzed using gcov --conditions. +
  • Inter-procedural value range propagation can now propagate value ranges + of return values of function and also ranges which can be derived from: + 
    +	if (val > constant)
+	  __builtin_unreachable ();
+
    +
    • +
  • Scalar replacement for aggregates now uses escape information + determined by mod-ref pass. This improves code generation in case + some C++ member functions are not inlined.
    • +

    New Languages and Language specific improvements

    @@ -582,6 +598,7 @@ You may also want to check out our
  • Faster numeric conversions using std::to_string and std::to_wstring.
    • +
  • Significantly faster std::vector::push_back
  • Updated parallel algorithms that are compatible with oneTBB.
  • std::numeric_limits<_Float32> and std::numeric_limits<_Float64> are now defined