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Fri, 15 Sep 2023 02:23:34 GMT Received: from mxout26.s.uw.edu (mxout26.s.uw.edu [140.142.234.176]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3t3rxxr9gh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 02:23:33 +0000 Received: from smtp.washington.edu (smtp.washington.edu [140.142.234.157]) by mxout26.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 38F2N7XH014694 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 14 Sep 2023 19:23:07 -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 38F2N6Iv031819 (version=TLSv1.2 cipher=DHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Thu, 14 Sep 2023 19:23:06 -0700 X-UW-Orig-Sender: kmatsui@smtp.washington.edu To: gcc-patches@gcc.gnu.org Cc: libstdc++@gcc.gnu.org, Ken Matsui Subject: [PATCH v12 04/40] c++: Implement __is_volatile built-in trait Date: Thu, 14 Sep 2023 19:21:10 -0700 Message-ID: <20230915022305.74083-5-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230915022305.74083-1-kmatsui@gcc.gnu.org> References: <20230914064949.29787-1-kmatsui@gcc.gnu.org> <20230915022305.74083-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: pfe0croeuBouzU3Qd0rXzm-sK1Ib-5lm X-Proofpoint-GUID: pfe0croeuBouzU3Qd0rXzm-sK1Ib-5lm 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_02,2023-09-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 mlxlogscore=907 malwarescore=0 bulkscore=0 mlxscore=0 clxscore=1034 priorityscore=1501 impostorscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150019 X-Spam-Status: No, score=-13.5 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_STATUS, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, 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 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+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" This patch implements built-in trait for std::is_volatile. gcc/cp/ChangeLog: * cp-trait.def: Define __is_volatile. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_VOLATILE. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. gcc/testsuite/ChangeLog: * g++.dg/ext/has-builtin-1.C: Test existence of __is_volatile. * g++.dg/ext/is_volatile.C: New test. Signed-off-by: Ken Matsui --- gcc/cp/constraint.cc | 3 +++ gcc/cp/cp-trait.def | 1 + gcc/cp/semantics.cc | 4 ++++ gcc/testsuite/g++.dg/ext/has-builtin-1.C | 3 +++ gcc/testsuite/g++.dg/ext/is_volatile.C | 19 +++++++++++++++++++ 5 files changed, 30 insertions(+) create mode 100644 gcc/testsuite/g++.dg/ext/is_volatile.C diff --git a/gcc/cp/constraint.cc b/gcc/cp/constraint.cc index 567dd35fe0a..f031e022541 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3796,6 +3796,9 @@ diagnose_trait_expr (tree expr, tree args) case CPTK_IS_UNION: inform (loc, " %qT is not a union", t1); break; + case CPTK_IS_VOLATILE: + inform (loc, " %qT is not a volatile type", t1); + break; case CPTK_REF_CONSTRUCTS_FROM_TEMPORARY: inform (loc, " %qT is not a reference that binds to a temporary " "object of type %qT (direct-initialization)", t1, t2); diff --git a/gcc/cp/cp-trait.def b/gcc/cp/cp-trait.def index a4ebfd9f319..60462cd9874 100644 --- a/gcc/cp/cp-trait.def +++ b/gcc/cp/cp-trait.def @@ -83,6 +83,7 @@ DEFTRAIT_EXPR (IS_TRIVIALLY_ASSIGNABLE, "__is_trivially_assignable", 2) DEFTRAIT_EXPR (IS_TRIVIALLY_CONSTRUCTIBLE, "__is_trivially_constructible", -1) DEFTRAIT_EXPR (IS_TRIVIALLY_COPYABLE, "__is_trivially_copyable", 1) DEFTRAIT_EXPR (IS_UNION, "__is_union", 1) +DEFTRAIT_EXPR (IS_VOLATILE, "__is_volatile", 1) DEFTRAIT_EXPR (REF_CONSTRUCTS_FROM_TEMPORARY, "__reference_constructs_from_temporary", 2) DEFTRAIT_EXPR (REF_CONVERTS_FROM_TEMPORARY, "__reference_converts_from_temporary", 2) DEFTRAIT_TYPE (REMOVE_CV, "__remove_cv", 1) diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc index 17d6e6728f9..647124265a6 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12202,6 +12202,9 @@ trait_expr_value (cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_UNION: return type_code1 == UNION_TYPE; + case CPTK_IS_VOLATILE: + return CP_TYPE_VOLATILE_P (type1); + case CPTK_REF_CONSTRUCTS_FROM_TEMPORARY: return ref_xes_from_temporary (type1, type2, /*direct_init=*/true); @@ -12363,6 +12366,7 @@ finish_trait_expr (location_t loc, cp_trait_kind kind, tree type1, tree type2) case CPTK_IS_ENUM: case CPTK_IS_SAME: case CPTK_IS_UNION: + case CPTK_IS_VOLATILE: break; case CPTK_IS_LAYOUT_COMPATIBLE: diff --git a/gcc/testsuite/g++.dg/ext/has-builtin-1.C b/gcc/testsuite/g++.dg/ext/has-builtin-1.C index e6e481b13c5..fb03dd20e84 100644 --- a/gcc/testsuite/g++.dg/ext/has-builtin-1.C +++ b/gcc/testsuite/g++.dg/ext/has-builtin-1.C @@ -131,6 +131,9 @@ #if !__has_builtin (__is_union) # error "__has_builtin (__is_union) failed" #endif +#if !__has_builtin (__is_volatile) +# error "__has_builtin (__is_volatile) failed" +#endif #if !__has_builtin (__reference_constructs_from_temporary) # error "__has_builtin (__reference_constructs_from_temporary) failed" #endif diff --git a/gcc/testsuite/g++.dg/ext/is_volatile.C b/gcc/testsuite/g++.dg/ext/is_volatile.C new file mode 100644 index 00000000000..004e397e5e7 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/is_volatile.C @@ -0,0 +1,19 @@ +// { dg-do compile { target c++11 } } + +#include + +using namespace __gnu_test; + +#define SA(X) static_assert((X),#X) + +// Positive tests. +SA(__is_volatile(volatile int)); +SA(__is_volatile(const volatile int)); +SA(__is_volatile(vClassType)); +SA(__is_volatile(cvClassType)); + +// Negative tests. +SA(!__is_volatile(int)); +SA(!__is_volatile(const int)); +SA(!__is_volatile(ClassType)); +SA(!__is_volatile(cClassType));