From patchwork Fri Dec 29 08:01:25 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "A. Skrobov" X-Patchwork-Id: 853692 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-469879-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="Rdn/SyhW"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3z7JvV4pvpz9s72 for ; Fri, 29 Dec 2017 19:01:40 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :mime-version:from:date:message-id:subject:to:content-type; q= dns; s=default; b=YjJJeTWrtW7csKb7WorzaKOthR0tkzShI9khviJpG0mFhK LBHEWuPiQIPbZiISzF1QQ7gfIE6kvLXlNPbc2DMI9TL/xM/LXcKnjQ+jenNy70Yw Ix/p/tcDVfCQDQchUmFptx3jF+P0YNfB4yUp2Ge4tLq7h23bc/aIphS2Acl8I= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender :mime-version:from:date:message-id:subject:to:content-type; s= default; bh=x0kpus47KXBOTMlJQ57LFh+HvlI=; b=Rdn/SyhWIyWx3FcaOa77 VunJLKTq4lC4eh2vIWckPB9aB03VhjMTzmZDodyoH/iFgcgsrb4Oq5nsdcQsT5h5 ITGhrZ+EoT6H2uJrEoOy0XLDo2T83oBLi6FoTmNeL3k88ICDD/FIYJFa6u9LHPaD Exx+LpUGjWjjALUOph9bSgQ= Received: (qmail 75198 invoked by alias); 29 Dec 2017 08:01:29 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 74572 invoked by uid 89); 29 Dec 2017 08:01:29 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-26.9 required=5.0 tests=BAYES_00, FREEMAIL_FROM, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy=unusable, compensation X-HELO: mail-oi0-f65.google.com Received: from mail-oi0-f65.google.com (HELO mail-oi0-f65.google.com) (209.85.218.65) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 29 Dec 2017 08:01:27 +0000 Received: by mail-oi0-f65.google.com with SMTP id u193so28376713oie.1 for ; Fri, 29 Dec 2017 00:01:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=HgbodWgvZ1qCYW4nO8q/v6hyjBEZ7Rq66wtGWdA0zdU=; b=Q0ITGLpRMbs+IaZkrvL9wxorZb8makyYmPCewrEUB2tiKHnEjLREeHdeXuJuNR16W2 Vvc36x84VjQRapWTKCWZnY0VkG9cozjUguWVxms7DSEW364jhbi8BFvUbeSqbkkXLB4R 8gA0kFJWc02lZJ4H+AO4QeGT5RU6U8mk+MWfAlqZvBzyjOmJGYzS2KLWFo4U27/EQjCx zU8x18Q1Edzkb1rQM2bETO4G/Pr04Onmx4BC8sU8DMUYq1+CG174N3TUlU449Xt0szyh KWWaerZz2IAD8L9KYn2vEsh17XVrtiSJeI4LqHloYShxFVXe2qQZDaVsFDnKDlof2GDM TkLg== X-Gm-Message-State: AKGB3mKI6mAeOFBuBS6P9i/W+saK9oJTVD1xDE9TQOO9smNrXNZ/JCO+ JjbwXqcYWrV8//9yVqYnH6ebRk0Fi848p2DkjZHqXA== X-Google-Smtp-Source: ACJfBotdoIwoBWZI1BZBGNR87tMfMu0xBuG9xe4bqg02b7qIfCs2Qi1lpqMwhkk3Z/ycG/wmlHFIBL1A6FA0g0vHM94= X-Received: by 10.202.222.2 with SMTP id v2mr22699873oig.29.1514534485605; Fri, 29 Dec 2017 00:01:25 -0800 (PST) MIME-Version: 1.0 Received: by 10.157.8.198 with HTTP; Fri, 29 Dec 2017 00:01:25 -0800 (PST) From: "A. Skrobov" Date: Fri, 29 Dec 2017 10:01:25 +0200 Message-ID: Subject: [PATCH] Remove out-of-date comment To: gcc-patches@gcc.gnu.org As of currently, `-fmessy-debugging` is not a valid option, nor is `REG_USERVAR` looked at by the splitting logic. 2017-12-29 Artyom Skrobov tyomitch@gmail.com * web.c: Remove out-of-date comment --- gcc/web.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/gcc/web.c b/gcc/web.c index a642f219865c..217e799ef732 100644 --- a/gcc/web.c +++ b/gcc/web.c @@ -22,10 +22,6 @@ along with GCC; see the file COPYING3. If not see increasing effectiveness of other optimizations. The optimization can serve as an example of use for the dataflow module. - We don't split registers with REG_USERVAR set unless -fmessy-debugging - is specified, because debugging information about such split variables - is almost unusable. - TODO - We may use profile information and ignore infrequent use for the purpose of web unifying, inserting the compensation code later to