From patchwork Tue Oct 11 21:01:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Palmer Dabbelt X-Patchwork-Id: 58668 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 032C13853547 for ; Tue, 11 Oct 2022 21:03:47 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) by sourceware.org (Postfix) with ESMTPS id 5DBF43854159 for ; Tue, 11 Oct 2022 21:02:55 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 5DBF43854159 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivosinc.com Received: by mail-pj1-x1029.google.com with SMTP id t10-20020a17090a4e4a00b0020af4bcae10so124434pjl.3 for ; Tue, 11 Oct 2022 14:02:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20210112.gappssmtp.com; s=20210112; h=to:from:cc:content-transfer-encoding:mime-version:references :in-reply-to:message-id:date:subject:from:to:cc:subject:date :message-id:reply-to; bh=JBsa+jw9mdF17bnwxJBSR2nJ34Uct+l3ZW158HlhlXc=; b=BcfZelK9sFF0Bm9DTjlfcIuoq6X3B+bNccj/uzQGf6P4xlEA3nLosct/7qtjBOAFZb Dy0m/biPYuRlKO6GFWKbfup9cyC8iaxkqmxF8pZ0fdZ+8wWvgNeJntRgxy7mitpACg1b HqTib7AGwHea2GprdoHICl2eu1ipYmahLiFppVhf1315yQ0DHabfLE1uCxynhVBeclQ3 kw1kbxhLQPtTv8mZdiayD2DKE/W4bPD47iK4egJ2skDTeN1wpJE1nby1WtXDh0xwy0Vh 585cRe1VOwvIDrWT8bOr/HBl7nPxaBNpJL6bAr5/scgA4rWaFVv+eXjm7o/hKie+W6tz 2QFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:cc:content-transfer-encoding:mime-version:references :in-reply-to:message-id:date:subject:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=JBsa+jw9mdF17bnwxJBSR2nJ34Uct+l3ZW158HlhlXc=; b=tW57psmi1I7eLb3/9+sTAITLkucPMJR9m0lRtv00l+sGV+uwhQrLaEWIpOJfpahdtn ig9vFk4VO8AWgMAUQMb/xyQEoPk5sw64aSX0Fb7arTgQhkZprBrjajB+Vp9gkEu9LgWA lm/Eh6V6Nbajm+NorQsrZ63HLZzoDXgm+QTJSa5xCdxt8N+7EtSRrTO1pxf380rnGcHV yrUVGwSh2gLj24r5GRpiqzKmeiuvY9pEZHX52xdpzCiTFT/qDomvcbcOztuxlftyqIRB UT1eouTpajgWwi0L43NOZYQOprTYkgtusyBJnQbGdU68L7RkrKvMKIsbvtnRA3VE5znh u+/g== X-Gm-Message-State: ACrzQf06iKdI6DDvOfP2Ww9fQ37LE/0ft0Ygh3J6gt7ylSXAhq/aO27e 0ipo7udnbEBGbA7uZT8kuNC21Q== X-Google-Smtp-Source: AMsMyM7Y+/lfGGUnroChrXy/O4jWZ7rHPLl8WG3iWdNNTyRSSPKb0Xqq6SVsOon4H3A7NeG8Y8iOKw== X-Received: by 2002:a17:90b:2246:b0:201:d6d6:9809 with SMTP id hk6-20020a17090b224600b00201d6d69809mr1171107pjb.159.1665522174343; Tue, 11 Oct 2022 14:02:54 -0700 (PDT) Received: from localhost ([50.221.140.188]) by smtp.gmail.com with ESMTPSA id u8-20020a17090341c800b00172f4835f53sm7368467ple.192.2022.10.11.14.02.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Oct 2022 14:02:53 -0700 (PDT) Subject: [PATCH v2 2/3] doc: -falign-functions is ignored under -Os Date: Tue, 11 Oct 2022 14:01:55 -0700 Message-Id: <20221011210156.7710-3-palmer@rivosinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221011210156.7710-1-palmer@rivosinc.com> References: <20221011210156.7710-1-palmer@rivosinc.com> MIME-Version: 1.0 From: Palmer Dabbelt To: richard.guenther@gmail.com, hubicka@ucw.cz, gcc-patches@gcc.gnu.org X-Spam-Status: No, score=-12.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, 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: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" This is implicitly mentioned in the docs, but there were some questions in a recent patch. This makes it more exlicit that -falign-functions is meant to be ignored under -Os. gcc/doc/ChangeLog * invoke.texi (-falign-functions): Mention -Os --- gcc/doc/invoke.texi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 8326a60dcf1..a24798d5029 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -13164,7 +13164,8 @@ equivalent and mean that functions are not aligned. If @var{n} is not specified or is zero, use a machine-dependent default. The maximum allowed @var{n} option value is 65536. -Enabled at levels @option{-O2}, @option{-O3}. +Enabled at levels @option{-O2}, @option{-O3}. This has no behavior under under +@option{-Os}. @item -flimit-function-alignment If this option is enabled, the compiler tries to avoid unnecessarily