From patchwork Wed Feb 28 19:26:15 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 208013 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:a81b:b0:108:e6aa:91d0 with SMTP id bq27csp3570303dyb; Wed, 28 Feb 2024 11:42:42 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWTJzJYp5b1TgqrccLBlAEiulWjfwCiLgZTTabTRj6Xh1zxpFkJ2cYlk9S2l8Pfw53h1z0xD2zAisQ3bXlMZkSvpt/CwA== X-Google-Smtp-Source: AGHT+IHdwgKeqM0cJNfErmtsT2Qn3ya8RvHt1JSoUg3GUf5rotK95DFKqWdZeWp0JfmKTIM07l15 X-Received: by 2002:a05:6214:5842:b0:690:4f5:1e97 with SMTP id ml2-20020a056214584200b0069004f51e97mr69468qvb.7.1709149362538; Wed, 28 Feb 2024 11:42:42 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1709149362; cv=pass; d=google.com; s=arc-20160816; b=sV1teKa7kDB3mf7kmje6Y0ksjks81S4a5amniX+rqHSgapUAnPca4rdYa6jhRPmEAY syAQv6fBjewF+McZ6D7NHsu1Eu5gnc0lJ0z4TaopjrOoMbIF3yULNWoIXqd/rRoemyL0 EjF4Z4KhcJtwn+GS/OlZxvDOcA4pHq/Cm9wpTHb6FiHF84IezcpZkE1qGon57NY+u9bR Y116criryNbOQZTsc9AeIUI54HLqMRWzulZ/zYI5tRG7Yecc7e5OQ/yhrkwqUCXUTKA/ qD36tdAa2QbjizWHssOzonvKae7Sn5mY8Yk07oqtz3mkNA58cJfHWbl60H0hlw5KSJXi 9pbw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:arc-filter:dmarc-filter:delivered-to:dkim-signature :dkim-filter; bh=aaZU/WEaPXym68byYiPPLg33qkHfBSIARTF28eRhxIU=; fh=kSSy/oyUXqQD15FLeKdymIgDBFPFITPA1Gj52CNOxRQ=; b=OTaF/7BCIJ3nad8qXcvVzLrPt3mQKkTDSCANhJR44MBFdpSXmvPxrlJLfraeh7InuR lWVN05gWLbd2dvxhqFUjTqCw2HhHebtFtRnwPEVwSzjLmQ51TYyn9jzHkHEaAPLRcKnt VIcmFYUPTo5JOaZaMordcRq/Ma8SQ4CTpBnX+UB3iB3VsUtH4mCSj5HM3iYELQ9Rt7sA eDzEwgquGL7CL0qEdpDsyxI95gKhvWMCIFM7f+po9qWnG/PPMFp46L9tHPkK0NpvN6PX js3EhGCxwK4XQzdBETfoAkBSU2Fc167jjzVSHh+05JWMjSLTLzHsctKkOYhnVGbZy4Ln AHuQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=gWbkTYxW; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (server2.sourceware.org. [8.43.85.97]) by mx.google.com with ESMTPS id 3-20020a0562140dc300b00690047b8128si235010qvt.190.2024.02.28.11.42.42 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Feb 2024 11:42:42 -0800 (PST) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=gWbkTYxW; arc=pass (i=1); spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 644743858009 for ; Wed, 28 Feb 2024 19:42:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 644743858009 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709149361; bh=aaZU/WEaPXym68byYiPPLg33qkHfBSIARTF28eRhxIU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=gWbkTYxW0grRnE5siRESfNpQESfMifDC104GD4qN6zJdNfOHrcCHMWFXZUi4+M1FW geBU1OcE4u56Czyu6YeSeHX4jnrs3ld5lbaDS5he8/Ekd976NYBg4FNGROMZMroUnQ pQ9UautAXiUQ9VivnYdvggpGhSb83mesdw5GS3bI= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0b-00641c01.pphosted.com (mx0b-00641c01.pphosted.com [205.220.177.146]) by sourceware.org (Postfix) with ESMTPS id 8FDBD385842C; Wed, 28 Feb 2024 19:32:08 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8FDBD385842C Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gcc.gnu.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=gcc.gnu.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 8FDBD385842C Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.177.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709148734; cv=none; b=m9Thl5Hdi4DVtrxPGFf29wiD6HFBenClcFEjqbH7hRFg77VFyIV6OXioPcsmlDmlP8tsq0EDXNcznByowF8Xrqf49t5TpW3whMPGrJWyBIfXgdc7pEw8/uAPLZ3YNPkGZU/HDS5/WGc22Gzt4H7C1m9QmQ0MEahxGjqAzKtC08Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709148734; c=relaxed/simple; bh=SMt1ATz5PvdGT88I7ZsWbD1XeEXls6sKBtZzFXaF04U=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=vF9d0hQeeoMjWEEym98P5JWe8S/95W4sKLRZT99ApIqaknawwV4zzzHotTZ+gGvHeacano56wSCqXzTadnM/VuVbbXHnFNesVH09Wwx1Wdjr+YxYpwMh7GCMVfKaymA9dBmw+fdmPnDBMmw3d9avPgONDZygfla9stFbLgPDTE4= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247480.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 41SJS9uj011519; Wed, 28 Feb 2024 19:32:08 GMT Received: from mxout22.s.uw.edu (mxout22.s.uw.edu [128.95.242.222]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3whxdj4wax-5 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Feb 2024 19:32:08 +0000 Received: from smtp.washington.edu (smtp.washington.edu [140.142.234.157]) by mxout22.s.uw.edu (8.14.4+UW20.07/8.14.4+UW24.02) with ESMTP id 41SJSph2018991 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 28 Feb 2024 11:28:51 -0800 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.154.74.128]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW24.02) with ESMTPSA id 41SJSoTS015429 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Feb 2024 11:28:51 -0800 X-UW-Orig-Sender: kmatsui@smtp.washington.edu From: Ken Matsui To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v14 10/26] libstdc++: Optimize std::add_pointer compilation performance Date: Wed, 28 Feb 2024 11:26:15 -0800 Message-ID: <20240228192843.188979-11-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240228192843.188979-1-kmatsui@gcc.gnu.org> References: <20240221093616.4001742-1-kmatsui@gcc.gnu.org> <20240228192843.188979-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: jUlYNH_FUafS5C3HC-bEP-IsL4ebP9wX X-Proofpoint-ORIG-GUID: jUlYNH_FUafS5C3HC-bEP-IsL4ebP9wX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-28_08,2024-02-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 bulkscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1034 impostorscore=0 priorityscore=1501 mlxlogscore=625 phishscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402280153 X-Spam-Status: No, score=-13.4 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_NEUTRAL, TXREP, T_SCC_BODY_TEXT_LINE 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+ouuuleilei=gmail.com@gcc.gnu.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791501354705491267 X-GMAIL-MSGID: 1792173001899336185 This patch optimizes the compilation performance of std::add_pointer by dispatching to the new __add_pointer built-in trait. libstdc++-v3/ChangeLog: * include/std/type_traits (add_pointer): Use __add_pointer built-in trait. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index c4585a23df9..6346d1daee2 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -2149,6 +2149,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; #endif + /// add_pointer +#if _GLIBCXX_USE_BUILTIN_TRAIT(__add_pointer) + template + struct add_pointer + { using type = __add_pointer(_Tp); }; +#else template struct __add_pointer_helper { using type = _Tp; }; @@ -2157,7 +2163,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct __add_pointer_helper<_Tp, __void_t<_Tp*>> { using type = _Tp*; }; - /// add_pointer template struct add_pointer : public __add_pointer_helper<_Tp> @@ -2170,6 +2175,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template struct add_pointer<_Tp&&> { using type = _Tp*; }; +#endif #if __cplusplus > 201103L /// Alias template for remove_pointer