From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-00641c01.pphosted.com (mx0b-00641c01.pphosted.com [205.220.177.146]) by sourceware.org (Postfix) with ESMTPS id 44FFB3852ADE; Sun, 9 Jul 2023 08:48:58 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 44FFB3852ADE 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 Received: from pps.filterd (m0247478.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3698ml47003281; Sun, 9 Jul 2023 08:48:57 GMT Received: from mxout26.s.uw.edu (mxout26.s.uw.edu [140.142.234.176]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3rqhxxs68w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 09 Jul 2023 08:48:57 +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 3698mQb9013464 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 9 Jul 2023 01:48:26 -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 3698lNmH006292 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Sun, 9 Jul 2023 01:48:26 -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 2/2] libstdc++: use new built-in trait __is_signed Date: Sun, 9 Jul 2023 01:47:17 -0700 Message-ID: <20230709084717.20744-2-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230709084717.20744-1-kmatsui@gcc.gnu.org> References: <20230709084717.20744-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: IeNMVQLnXFB1ObuwqWRhNiGsU8EPvCo8 X-Proofpoint-ORIG-GUID: IeNMVQLnXFB1ObuwqWRhNiGsU8EPvCo8 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=2023-07-09_05,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1034 priorityscore=1501 spamscore=0 mlxscore=0 phishscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 mlxlogscore=892 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307090080 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,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 lets libstdc++ use new built-in trait __is_signed. libstdc++-v3/ChangeLog: * include/std/type_traits (is_signed): Use __is_signed built-in trait. (is_signed_v): Likewise. Signed-off-by: Ken Matsui --- libstdc++-v3/include/std/type_traits | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 0e7a9c9c7f3..23ab5a4b1e5 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -865,6 +865,13 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION : public __bool_constant<__is_abstract(_Tp)> { }; + /// is_signed +#if __has_builtin(__is_signed) + template + struct is_signed + : public __bool_constant<__is_signed(_Tp)> + { }; +#else /// @cond undocumented template::value> @@ -877,11 +884,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// @endcond - /// is_signed template struct is_signed : public __is_signed_helper<_Tp>::type { }; +#endif /// is_unsigned template @@ -3240,8 +3247,14 @@ template template inline constexpr bool is_final_v = __is_final(_Tp); +#if __has_builtin(__is_signed) +template + inline constexpr bool is_signed_v = __is_signed(_Tp); +#else template inline constexpr bool is_signed_v = is_signed<_Tp>::value; +#endif + template inline constexpr bool is_unsigned_v = is_unsigned<_Tp>::value; -- 2.41.0