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 A9F6E3875457; Tue, 17 Oct 2023 11:43:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A9F6E3875457 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 A9F6E3875457 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=1697543036; cv=none; b=H+10U0kbPe/AUn6H0W/q4vIw2wYTSev7Jy4DFI5WfGswuwzgYOM6EmnzVjiRnEgd6qTkLEm3QOFRs89/qxGTeA4S3nfnf6bF8+Qjaiz5ZYkjSTp3mpf99sUXkhDe9vRnQ/0HX5TIN4yTZ5ortmSFJ2Ci3JlFyJdFCQpU0S+4Nm8= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697543036; c=relaxed/simple; bh=ppZ1J2R3vTzF4ae7XE/TG2BmfxX7b8+cpy1Nkg343tU=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=r7WellmOSWrgA1I+g7NQMVI05t2jAFdpNlTr41LJBNefcwLHduccvBTTgxTbId731yR7ZTuCs7j0I8UlFrNpfjZodUACp8NjIcYhgGbUOKA9HumBp7VGOORctoTsRp44+mPzMqPQy44D7H9je20b5r7Iq7/jCH28JzC5rj1VyIQ= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247471.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39HBTgRt031104; Tue, 17 Oct 2023 11:43:51 GMT Received: from mxout21.s.uw.edu (mxout21.s.uw.edu [140.142.32.139]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3tsgyr1pdp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Oct 2023 11:43:51 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.132]) by mxout21.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 39HBhj70032357 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Oct 2023 04:43:45 -0700 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.19.18.191]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 39HBchGU020891 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Oct 2023 04:43:45 -0700 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 v22 27/31] libstdc++: Optimize std::is_object compilation performance Date: Tue, 17 Oct 2023 04:36:48 -0700 Message-ID: <20231017113822.677344-28-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231017113822.677344-1-kmatsui@gcc.gnu.org> References: <20231017113242.664523-1-kmatsui@gcc.gnu.org> <20231017113822.677344-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: sO-zaHlZABh-t3GkhVCWbSn7QAwj9Ofx X-Proofpoint-GUID: sO-zaHlZABh-t3GkhVCWbSn7QAwj9Ofx X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-16_13,2023-10-17_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 adultscore=0 spamscore=0 impostorscore=0 suspectscore=0 mlxscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1034 mlxlogscore=715 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310170098 X-Spam-Status: No, score=-13.0 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 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_object by dispatching to the new __is_object built-in trait. libstdc++-v3/ChangeLog: * include/std/type_traits (is_object): Use __is_object built-in trait. (is_object_v): Likewise. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index bd57488824b..a12a35c209b 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -725,11 +725,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// is_object +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_object) + template + struct is_object + : public __bool_constant<__is_object(_Tp)> + { }; +#else template struct is_object : public __not_<__or_, is_reference<_Tp>, is_void<_Tp>>>::type { }; +#endif template struct is_member_pointer; @@ -3305,8 +3312,15 @@ template inline constexpr bool is_arithmetic_v = is_arithmetic<_Tp>::value; template inline constexpr bool is_fundamental_v = is_fundamental<_Tp>::value; + +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_object) +template + inline constexpr bool is_object_v = __is_object(_Tp); +#else template inline constexpr bool is_object_v = is_object<_Tp>::value; +#endif + template inline constexpr bool is_scalar_v = is_scalar<_Tp>::value; template -- 2.42.0