From patchwork Sat Jul 8 05:08:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 117376 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:9f45:0:b0:3ea:f831:8777 with SMTP id v5csp3713032vqx; Fri, 7 Jul 2023 22:17:05 -0700 (PDT) X-Google-Smtp-Source: APBJJlEHJMFa/pEbhIq107VByJSVGjiqyQrOxkrGuHDxVWbqpYO5k9T+9jqjgC+FKZsxvj+mGGoE X-Received: by 2002:a17:906:56:b0:992:a014:78b6 with SMTP id 22-20020a170906005600b00992a01478b6mr5448941ejg.35.1688793425035; Fri, 07 Jul 2023 22:17:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1688793425; cv=none; d=google.com; s=arc-20160816; b=NxDhFx0wnG2Zq9aSzNJ20YU50cW0Dc+pPB7r2janH59UkScER8qgWEwtdejw8l++Ql cEMq4BprOwBjduAVwjMeeDHKAwloPNBj1Af3Lm2mMj0t4hON189Zt5YqD4YsXYu/PbUP //jK8Tub4QpcotnHJMiJd1WkuC0h4aq3auSSd8jUYlrWEjEuA5frDjxiEwU80Dri9lUA ftFcFBCPsF4LAS9Y8GD4ZyQgG1BZPit9p1gDDbHt/cvx1lD5FVO+7e3FG6CDaRseHVw6 cuO/swsH22yq5/mlBQrQySBL6vD1vMVT1GNkCs8VLpcb1jVkJ+JHVhUTuootQY3WK9uZ SMcg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:reply-to:from: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:dmarc-filter:delivered-to :dkim-signature:dkim-filter; bh=7/05Lfgurfzlh4zh51RvkLiUX/U82rLaD6J9toQC5QY=; fh=1CAabwJrK+ugngH18pg8mqZVlwzSJe6ffxxXK5OO7Vs=; b=ziOtk6CUTIo23wQGQw3Q8JLDFQmZLQbgbq2YhIyr7SeLcB+qdRYvOQmr60a4nEIwkK yGg03nPN9LHevqYSDOA4q3kVoadfwGVJ5b49LYQyg6U7wxlS68G3vVJGkXAnqYdL1HH5 LQcwa5ELWtCIJTzCZlXj3I4DTveghxbFWSj8LyJWDntZhmBSYnFRHFR5lTdZ72feii1D jQb4Vgg4tt4HC/ekNuazSbrkTEVkjA4EaU15pNXTkmANnbZ8izY7nGsqqkttEEYaYbLL OT1Rq9O8RmusuQ99bBIBclk0VS5JFuM5mJQfMzgOg0DhRlT+79RjabjD+5fCnzzPkUcO G4eg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=apu0jZDZ; 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 (ip-8-43-85-97.sourceware.org. [8.43.85.97]) by mx.google.com with ESMTPS id bo13-20020a0564020b2d00b0051e4797bcbfsi566895edb.30.2023.07.07.22.17.04 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Jul 2023 22:17:05 -0700 (PDT) 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=apu0jZDZ; 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 4F0403858C60 for ; Sat, 8 Jul 2023 05:15:30 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4F0403858C60 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688793330; bh=7/05Lfgurfzlh4zh51RvkLiUX/U82rLaD6J9toQC5QY=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=apu0jZDZpWI2tI25SQqkYjv/WqwyDoL7MFgXF9oxLCDjc00pyKKghStZbHhsFKEUh 6TaepiWNoPBxYonVQJh40PIad5Z0zgqgfI7+VSBOriqPWKG3skGsFa7w/V/t7bWiJ0 faeMOJn+aPmEeuexYmh85SJtiKuejBExd/DckRGk= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0a-00641c01.pphosted.com (mx0a-00641c01.pphosted.com [205.220.165.146]) by sourceware.org (Postfix) with ESMTPS id 43FE7385DC14; Sat, 8 Jul 2023 05:14:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 43FE7385DC14 Received: from pps.filterd (m0247473.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3685DG1i016430; Sat, 8 Jul 2023 05:14:42 GMT Received: from mxout24.cac.washington.edu (mxout24.cac.washington.edu [140.142.234.158]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3rpyu3g8gu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 08 Jul 2023 05:14:42 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout24.cac.washington.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 3685EB8i005111 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 7 Jul 2023 22:14:12 -0700 X-Auth-Received: from localhost.localdomain ([10.154.74.234]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 3685Bg4i004530 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 7 Jul 2023 22:14:11 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v8 4/6] libstdc++: use new built-in trait __is_function for std::is_function Date: Fri, 7 Jul 2023 22:08:11 -0700 Message-ID: <20230708051137.63707-5-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230708051137.63707-1-kmatsui@gcc.gnu.org> References: <20230708051137.63707-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-GUID: XSnljoEjklrMYvBGzdJ7u3ml0mXBjQi2 X-Proofpoint-ORIG-GUID: XSnljoEjklrMYvBGzdJ7u3ml0mXBjQi2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-08_02,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1034 priorityscore=1501 spamscore=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=764 malwarescore=0 adultscore=0 impostorscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307080045 X-Spam-Status: No, score=-12.7 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: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Ken Matsui via Gcc-patches From: Ken Matsui Reply-To: Ken Matsui Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770828254680615293?= X-GMAIL-MSGID: =?utf-8?q?1770828254680615293?= This patch gets std::is_function to dispatch to new built-in trait __is_function. libstdc++-v3/ChangeLog: * include/std/type_traits (is_function): Use __is_function built-in trait. (is_function_v): Likewise. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 2a14df7e5f9..954b57518de 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -594,6 +594,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// is_function +#if __has_builtin(__is_function) + template + struct is_function + : public __bool_constant<__is_function(_Tp)> + { }; +#else template struct is_function : public __bool_constant::value> { }; @@ -605,6 +611,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template struct is_function<_Tp&&> : public false_type { }; +#endif #define __cpp_lib_is_null_pointer 201309L @@ -3197,8 +3204,14 @@ template inline constexpr bool is_union_v = __is_union(_Tp); template inline constexpr bool is_class_v = __is_class(_Tp); + +#if __has_builtin(__is_function) +template + inline constexpr bool is_function_v = __is_function(_Tp); +#else template inline constexpr bool is_function_v = is_function<_Tp>::value; +#endif #if __has_builtin(__is_reference) template