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Tue, 21 Mar 2023 17:09:34 +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 32LH92rx015568 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 21 Mar 2023 10:09:02 -0700 X-Auth-Received: from localhost.localdomain ([10.154.74.245]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 32LH911B000872 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 21 Mar 2023 10:09:01 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, ppalka@redhat.com, Ken Matsui Subject: [PATCH v2 2/2] libstdc++: use new built-in trait __is_unsigned Date: Tue, 21 Mar 2023 10:08:51 -0700 Message-Id: <20230321170851.4277-2-kmatsui@cs.washington.edu> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230321163949.1950-2-kmatsui@cs.washington.edu> References: <20230321163949.1950-2-kmatsui@cs.washington.edu> MIME-Version: 1.0 X-Proofpoint-GUID: ljjZ2NHsrTtr17QucheMTtxOdwRg7SC6 X-Proofpoint-ORIG-GUID: ljjZ2NHsrTtr17QucheMTtxOdwRg7SC6 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-21_11,2023-03-21_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 clxscore=1015 lowpriorityscore=0 bulkscore=0 phishscore=0 adultscore=0 mlxlogscore=869 spamscore=0 impostorscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303150002 definitions=main-2303210135 X-Spam-Status: No, score=-14.2 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, 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: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Ken Matsui via Gcc-patches From: Ken Matsui Reply-To: Ken Matsui Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760996234805106576?= X-GMAIL-MSGID: =?utf-8?q?1760998070391074596?= This patch lets libstdc++ use new built-in trait __is_unsigned. libstdc++-v3/ChangeLog: * include/std/type_traits (is_unsigned): Use __is_unsigned built-in trait. --- libstdc++-v3/include/std/type_traits | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 2bd607a8b8f..8d5a05cd0a6 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -884,10 +884,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION { }; /// is_unsigned +#if __has_builtin(__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