From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-00641c01.pphosted.com (mx0a-00641c01.pphosted.com [205.220.165.146]) by sourceware.org (Postfix) with ESMTPS id ABAF33882175; Fri, 20 Oct 2023 14:17:03 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org ABAF33882175 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 ABAF33882175 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=205.220.165.146 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697811425; cv=none; b=FuovhH5WJlRA2wd7WaUNXyfWn5tMjJUthJLQDzJ3d0UlmkzyHVfelGVXpT1tR7OTQp7RQwGwSyxSuKDVZGPvvOHzIV1z3IMmwGRWIfQeTv/kRqw/HDXy06UxkC+XF9wWGZrpjkMAScwmZKGdAnVGAvGZHGyxOe4ADFkX9jW0dbQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1697811425; c=relaxed/simple; bh=1rHsyPoqaQXKsQOFdJbK+nBdkfKdFE5DDiprWTj+Wuk=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=UWXpmE/DluglGukZlTgLS3/DGIGYanmz9DYuOwlkIpoWVxX3MBHjSkslwg1vm/84x5lG16Aue+1qICI21rM0FFQfF+Q7Y+UFxxoP2B9yV0/JxrNEav/RapNFBCZNuaG8sfg13tjA80VmFykiMBroMLcvy3loyrbYjn9/gPzSqko= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0247471.ppops.net [127.0.0.1]) by mx0a-00641c01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39KEGPnW029589; Fri, 20 Oct 2023 14:17:02 GMT Received: from mxout22.s.uw.edu (mxout22.s.uw.edu [128.95.242.222]) by mx0a-00641c01.pphosted.com (PPS) with ESMTPS id 3tuby6mtr1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 20 Oct 2023 14:17:02 +0000 Received: from smtp.washington.edu (smtp.washington.edu [128.208.60.54]) by mxout22.s.uw.edu (8.14.4+UW20.07/8.14.4+UW22.04) with ESMTP id 39KE88Dv017237 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Oct 2023 07:08:08 -0700 X-Auth-Received: from kmatsui-ThinkPad-X1-Carbon-Gen-9.dhcp4.washington.edu ([10.19.18.191]) (authenticated authid=kmatsui) by smtp.washington.edu (8.16.1+UW21.10/8.14.4+UW19.10) with ESMTPSA id 39KDvqKK011267 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 20 Oct 2023 07:08:08 -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 v23 06/33] c++: Implement __is_volatile built-in trait Date: Fri, 20 Oct 2023 06:53:25 -0700 Message-ID: <20231020135748.1846670-7-kmatsui@gcc.gnu.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231020135748.1846670-1-kmatsui@gcc.gnu.org> References: <20231017113822.677344-1-kmatsui@gcc.gnu.org> <20231020135748.1846670-1-kmatsui@gcc.gnu.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: xZaFkSundLD39usW2B_pzeWBbvPLKJlr X-Proofpoint-GUID: xZaFkSundLD39usW2B_pzeWBbvPLKJlr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-20_10,2023-10-19_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 mlxlogscore=912 spamscore=0 impostorscore=0 malwarescore=0 suspectscore=0 adultscore=0 priorityscore=1501 phishscore=0 clxscore=1034 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310170001 definitions=main-2310200117 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 List-Id: 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 41d9eef7227..54782a167dd 100644 --- a/gcc/cp/constraint.cc +++ b/gcc/cp/constraint.cc @@ -3797,6 +3797,9 @@ 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 9e4e6d798a0..d786f47e60c 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 7fbcfd7ccad..7726fa99711 100644 --- a/gcc/cp/semantics.cc +++ b/gcc/cp/semantics.cc @@ -12217,6 +12217,9 @@ 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); @@ -12378,6 +12381,7 @@ 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)); -- 2.42.0