Message ID | 20230915235353.19378-33-kmatsui@gcc.gnu.org |
---|---|
State | Unresolved |
Headers |
Return-Path: <gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp1395437vqi; Fri, 15 Sep 2023 17:12:35 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFKq/v4IO9P/xo/LoqtFvh2FgMBEwGKq+P8CDUxGMVOPKLihici/618NyWQ/P/d6XbtHAX9 X-Received: by 2002:a05:6512:3a8b:b0:502:c615:99a9 with SMTP id q11-20020a0565123a8b00b00502c61599a9mr3077211lfu.30.1694823155120; Fri, 15 Sep 2023 17:12:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1694823155; cv=none; d=google.com; s=arc-20160816; b=TFB6DnSEsSylh3YnPtwPOthDpMw8u4snFUyanI82PF5Oy9LjPaEmEUTgIxn5gxyUtm f+S0xhfmxhT6z34U4AbTw+5g/+wqJuoUP87WqJtnCIoekHZP6rS2UJPmZixiGx1u1YFD ViNYcbmJAqMla0NzR0lcEpUPTWkKeDhcnviTGRU9rdABPZGTh5cE2rm65fLNmkZErb9K /WPmeoYQwGAFZUGVy2K5NnDXriVhDcBs3q4gLrcUWu6uJwhU6lO/WWnXGxQZ17ZhAz0H Q5W9g2y+OquobimklvNa29ReKrNH+3LGfzRRvxTblxl80hjB7Jzct+Oc5FZbAhhdkznt vDCA== 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=1fhb3UCeN02Vpkdn4EKFUyJ55Q3UBgEbl435AnJkjqM=; fh=kSSy/oyUXqQD15FLeKdymIgDBFPFITPA1Gj52CNOxRQ=; b=s/WXUGILYeXPNBdUalalfGz19ZUpdHbISQtVMxm+oKYdLSajOCmy56XWNXEAI6G4io D9pykPoaHV+4aHrR4Vt19ys7jHzx6Lvd8JdemThdhSK4Vpji0YO92jIWv+ZRywu+wggE MuNaz+nrIgACOHCWd4iwZT4/IRScVFkJ59y4rpiyGreaLjjtDUC9boIKMp9SzF5y0c65 Z3NV2urQHscr00nfL4PT1tfkArb/iuNkbIxtqOp6uLPVNSxHKcMY3LIwNZr6f9cGso0r nZGqds8UXsdgPH55pqzDRuciBfI+ZxHmz5UKZuY+/FuRZz5UaVkqrFM+3gnR26PrXeA5 cUxg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=KHHlZt3k; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c 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. [2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id n24-20020a056402061800b0052c0eaa233asi4384426edv.597.2023.09.15.17.12.34 for <ouuuleilei@gmail.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Sep 2023 17:12:35 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=KHHlZt3k; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c 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 0748339484A0 for <ouuuleilei@gmail.com>; Sat, 16 Sep 2023 00:00:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0748339484A0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1694822403; bh=1fhb3UCeN02Vpkdn4EKFUyJ55Q3UBgEbl435AnJkjqM=; 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=KHHlZt3kmhOs+D2IC6O/S+CoU8a7QO6URnSy/+rWUk02yPm2RnuPkSwwzt8xifBwK /6sw0Xeh0jOBe1v8YfpAu6g0JH1JMwy7yBNnA8h/UXQGFJXugNaWhtXX/mNoOCWRh7 CZvxKrOBgAtHL1a3florCc8NKTap5jl6Rhc8ffz0= 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 8B1CA385770B; Fri, 15 Sep 2023 23:54:16 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8B1CA385770B 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 38FNs5TG019481; Fri, 15 Sep 2023 23:54:15 GMT Received: from mxout26.s.uw.edu (mxout26.s.uw.edu [140.142.234.176]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3t4wqe23pd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 23:54:15 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout26.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 38FNrunU024627 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 15 Sep 2023 16:53:56 -0700 X-Auth-Received: from localhost.localdomain ([10.154.75.179]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 38FNrt2Z000587 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 15 Sep 2023 16:53:56 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui <kmatsui@gcc.gnu.org> Subject: [PATCH v14 32/40] libstdc++: Optimize is_arithmetic trait performance Date: Fri, 15 Sep 2023 16:51:18 -0700 Message-ID: <20230915235353.19378-33-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230915235353.19378-1-kmatsui@gcc.gnu.org> References: <20230915023640.75216-17-kmatsui@gcc.gnu.org> <20230915235353.19378-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: bhB8qEbdeqWGZZJCfyfLmmBDrjsEcCl_ X-Proofpoint-ORIG-GUID: bhB8qEbdeqWGZZJCfyfLmmBDrjsEcCl_ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-15_20,2023-09-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 phishscore=0 clxscore=1034 mlxlogscore=671 bulkscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 spamscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150214 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, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list <gcc-patches.gcc.gnu.org> List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-patches>, <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe> List-Archive: <https://gcc.gnu.org/pipermail/gcc-patches/> List-Post: <mailto:gcc-patches@gcc.gnu.org> List-Help: <mailto:gcc-patches-request@gcc.gnu.org?subject=help> List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-patches>, <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe> From: Ken Matsui via Gcc-patches <gcc-patches@gcc.gnu.org> Reply-To: Ken Matsui <kmatsui@gcc.gnu.org> Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" <gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777150884704428308 X-GMAIL-MSGID: 1777150884704428308 |
Series |
Optimize type traits performance
|
|
Checks
Context | Check | Description |
---|---|---|
snail/gcc-patch-check | warning | Git am fail log |
Commit Message
Ken Matsui
Sept. 15, 2023, 11:51 p.m. UTC
This patch optimizes the performance of the is_arithmetic trait by dispatching
to the new __is_arithmetic built-in trait.
libstdc++-v3/ChangeLog:
* include/std/type_traits (is_arithmetic): Use __is_arithmetic
built-in trait.
(is_arithmetic_v): Likewise.
Signed-off-by: Ken Matsui <kmatsui@gcc.gnu.org>
---
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 3acd843f2f2..cc466e0f606 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -726,10 +726,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION #endif /// is_arithmetic +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_arithmetic) + template<typename _Tp> + struct is_arithmetic + : public __bool_constant<__is_arithmetic(_Tp)> + { }; +#else template<typename _Tp> struct is_arithmetic : public __or_<is_integral<_Tp>, is_floating_point<_Tp>>::type { }; +#endif /// is_fundamental template<typename _Tp> @@ -3344,8 +3351,14 @@ template <typename _Tp> inline constexpr bool is_reference_v<_Tp&&> = true; #endif +#if _GLIBCXX_USE_BUILTIN_TRAIT(__is_arithmetic) +template <typename _Tp> + inline constexpr bool is_arithmetic_v = __is_arithmetic(_Tp); +#else template <typename _Tp> inline constexpr bool is_arithmetic_v = is_arithmetic<_Tp>::value; +#endif + template <typename _Tp> inline constexpr bool is_fundamental_v = is_fundamental<_Tp>::value;