From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00641c01.pphosted.com (mx0a-00641c01.pphosted.com [205.220.165.146]) by sourceware.org (Postfix) with ESMTPS id 382F6385800D; Thu, 7 Dec 2023 05:50:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 382F6385800D 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 382F6385800D Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.165.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1701928255; cv=none; b=Kr4aXH1wiZll8BOQKX8jFif9LHoDlcRca32p2uwiNoNFlfbOkKRv+sHSKpKRJNd2r8oNmtXVPI0ukQWJ1Hyy9CSR3OnJNDjYU9x0gL4XeaJ9Rx8DnkP7h4/+QDd5JUR/pHSACyZQ1qftrpu8B9cT9/36229gG+va2R/PCVx6s0U= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1701928255; c=relaxed/simple; bh=EM46pzAHnAaWoa37zj3SssDfcMqNmVcDSq9ayNXTZ7E=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=YpeusMqxJ6c7vAKY10rxTk0QOHmAuhWjUrT/xobZXd5+Ezm9QXwIyXByWyfa5L4NeAqFeVq022AQdFFvP4VouCFKKa/utWzdHEDepY16qVWhPTXrKbrUwM5d6TD/4BxZifrCD1BMzsYWR0PWUUWEeBclWUPo5/+dmXMOMAJw/ZE= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247470.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B75k2jQ024280; Thu, 7 Dec 2023 05:50:53 GMT Received: from mxout23.cac.washington.edu (mxout23.cac.washington.edu [140.142.32.140]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3uu035v0ek-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 07 Dec 2023 05:50:53 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout23.cac.washington.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 3B75oNcs000636 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 6 Dec 2023 21:50:23 -0800 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.154.75.142]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 3B75adQG020981 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 6 Dec 2023 21:50:23 -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 v26 15/23] libstdc++: Optimize std::is_member_object_pointer compilation performance Date: Wed, 6 Dec 2023 21:33:10 -0800 Message-ID: <20231207053633.1001720-16-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20231207053633.1001720-1-kmatsui@gcc.gnu.org> References: <20231024020424.699427-1-kmatsui@gcc.gnu.org> <20231207053633.1001720-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: vLgVSBDegzCwMs1Qeih68X6bJMVDyo14 X-Proofpoint-ORIG-GUID: vLgVSBDegzCwMs1Qeih68X6bJMVDyo14 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-06_20,2023-12-06_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 spamscore=0 priorityscore=1501 clxscore=1034 mlxscore=0 suspectscore=0 impostorscore=0 mlxlogscore=503 lowpriorityscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312060159 X-Spam-Status: No, score=-13.2 required=5.0 tests=BAYES_00,GIT_PATCH_0,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,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 List-Id: This patch optimizes the compilation performance of std::is_member_object_pointer by dispatching to the new __is_member_object_pointer built-in trait. libstdc++-v3/ChangeLog: * include/std/type_traits (is_member_object_pointer): Use __is_member_object_pointer built-in trait. (is_member_object_pointer_v): Likewise. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 99ae825301c..1edd05acb4c 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -574,6 +574,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct is_rvalue_reference<_Tp&&> : public true_type { }; + /// is_member_object_pointer +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_member_object_pointer) + template + struct is_member_object_pointer + : public __bool_constant<__is_member_object_pointer(_Tp)> + { }; +#else template struct __is_member_object_pointer_helper : public false_type { }; @@ -582,11 +589,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct __is_member_object_pointer_helper<_Tp _Cp::*> : public __not_>::type { }; - /// is_member_object_pointer + template struct is_member_object_pointer : public __is_member_object_pointer_helper<__remove_cv_t<_Tp>>::type { }; +#endif #if _GLIBCXX_USE_BUILTIN_TRAIT(__is_member_function_pointer) /// is_member_function_pointer @@ -3213,9 +3221,16 @@ template inline constexpr bool is_rvalue_reference_v = false; template inline constexpr bool is_rvalue_reference_v<_Tp&&> = true; + +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_member_object_pointer) +template + inline constexpr bool is_member_object_pointer_v = + __is_member_object_pointer(_Tp); +#else template inline constexpr bool is_member_object_pointer_v = is_member_object_pointer<_Tp>::value; +#endif #if _GLIBCXX_USE_BUILTIN_TRAIT(__is_member_function_pointer) template -- 2.43.0