From patchwork Wed Jan 10 09:23:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ken Matsui X-Patchwork-Id: 83770 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 90D583857830 for ; Wed, 10 Jan 2024 19:42:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 90D583857830 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1704915725; bh=7z+4n1zFGxdJfiYu5scWqPl6M/X+tODsvzU3ic/dHU4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=tDjY6CHOoWVjw25OHjFZ1a241StFuyH+I1ddZSlW8SR3a12yDDyd8/I33MQKrKFEN CXs4zezC0M8oQ/kG7zqsSE6Z0Abe24IhK+yj2ERAlTgLoGKzazQU9lbOFTbvXH8A+Z kgIRZoPzVY7EpNHtNsCujGY/w+OPOhgASFeX94eo= 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 C8ABE3858D38; Wed, 10 Jan 2024 19:40:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org C8ABE3858D38 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 C8ABE3858D38 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=1704915654; cv=none; b=NfWDwd7UoZnjYiyzSPioqc0jOEhIVRavrebj7h8zb7DaOa9CPKVhyLXravNVEFoy7kYXs0+S0c3SwKglDXnpoV6kg/qpI4A5nnQI1uFnovDPKMzxRAYnjBEaPNZoDLI5hkBiYceSYaWXuU+/hDdiE8w9eI++OeVpDAIS9oflehk= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704915654; c=relaxed/simple; bh=82Vi4Nwfxv6X1XxUkqhC1Nm1E8vcDepnkTpII4fNqoc=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=UgsIMH7ntReRKWtnXUs3xvZ1FJBZsn9VcCSpbBerGDO8HEx3v+pzW+aii2rdDV+rRKEEWXsAE4U+eIyoIDIWO/Q2HAuPGOPsxDw15w5AqTDaPK3njtSw/qhKoKYelPhkuBGwmMnVYWWvNE7NZMFZopWG6tfp65c6Xv9uTdU8ad8= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247477.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 40AJd9YF029817; Wed, 10 Jan 2024 19:40:52 GMT Received: from mxout21.s.uw.edu (mxout21.s.uw.edu [140.142.32.139]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3vhwj2tm89-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Jan 2024 19:40:51 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout21.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 40AJegjc015829 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 10 Jan 2024 11:40:42 -0800 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.154.74.143]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 40AJefnJ020412 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 10 Jan 2024 11:40:42 -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 10/14] libstdc++: Optimize std::is_unsigned compilation performance Date: Wed, 10 Jan 2024 01:23:01 -0800 Message-ID: <20240110194031.2384005-11-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240110194031.2384005-1-kmatsui@gcc.gnu.org> References: <20240110194031.2384005-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: VSPtWo7diuvf6vguN9MpSEg8xLhMiRzJ X-Proofpoint-GUID: VSPtWo7diuvf6vguN9MpSEg8xLhMiRzJ 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=2024-01-10_10,2024-01-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 clxscore=1034 spamscore=0 suspectscore=0 bulkscore=0 mlxlogscore=613 mlxscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401100156 X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, 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+patchwork=sourceware.org@gcc.gnu.org This patch optimizes the compilation performance of std::is_unsigned by dispatching to the new __is_unsigned built-in trait. libstdc++-v3/ChangeLog: * include/std/type_traits (is_unsigned): Use __is_unsigned built-in trait. (is_unsigned_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 6294f5af533..4bcfb1389e3 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -987,10 +987,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// is_unsigned +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_unsigned) + template + struct is_unsigned + : public __bool_constant<__is_unsigned(_Tp)> + { }; +#else template struct is_unsigned : public __and_, __not_>>::type { }; +#endif /// @cond undocumented template @@ -3413,8 +3420,14 @@ template template inline constexpr bool is_signed_v = is_signed<_Tp>::value; + +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_unsigned) +template + inline constexpr bool is_unsigned_v = __is_unsigned(_Tp); +#else template inline constexpr bool is_unsigned_v = is_unsigned<_Tp>::value; +#endif template inline constexpr bool is_constructible_v = __is_constructible(_Tp, _Args...);