From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id DD13D38475A2 for ; Tue, 13 Dec 2022 09:40:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DD13D38475A2 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1670924447; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type; bh=JNplJ1LvmbXXgVLb4b9H6EUeGMZZpq4VpaMjLGbqnJg=; b=gkDNwGqX/EKG9aen7kZvuVne9nmRWwQHvpDJzosCO+jGb3nzte+EuJg4vlPBPVpTxk4bTS Hb9ZSAZbWWLEctiPsK1Ei+KhmEjd1HDEQ3LBGZ9KA9UklAWxqFz8MELfuH4pz5IJlqcGs5 x+4DzmbsvPKJhaizXrXb8uexFxNihS4= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-450-dD6WInA9Ni6PQQ5JhPed5A-1; Tue, 13 Dec 2022 04:40:46 -0500 X-MC-Unique: dD6WInA9Ni6PQQ5JhPed5A-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DEDFC29AA3B6; Tue, 13 Dec 2022 09:40:45 +0000 (UTC) Received: from tucnak.zalov.cz (unknown [10.39.195.114]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 908C6492C18; Tue, 13 Dec 2022 09:40:45 +0000 (UTC) Received: from tucnak.zalov.cz (localhost [127.0.0.1]) by tucnak.zalov.cz (8.17.1/8.17.1) with ESMTPS id 2BD9eftj1939371 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Tue, 13 Dec 2022 10:40:41 +0100 Received: (from jakub@localhost) by tucnak.zalov.cz (8.17.1/8.17.1/Submit) id 2BD9eeQ61939370; Tue, 13 Dec 2022 10:40:40 +0100 Date: Tue, 13 Dec 2022 10:40:40 +0100 From: Jakub Jelinek To: Jason Merrill , Jonathan Wakely Cc: gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org Subject: [PATCH] c++, libstdc++: Add typeinfo for _Float{16,32,64,128,32x,64x} and __bf16 types [PR108075] Message-ID: Reply-To: Jakub Jelinek MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,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: Hi! The following patch adds typeinfos for the extended floating point types and _Float{32,64}x. Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk? 2022-12-13 Jakub Jelinek PR libstdc++/108075 gcc/cp/ * rtti.cc (emit_support_tinfos): Add pointers to {bfloat16,float{16,32,64,128,32x,64x,128x}}_type_node to fundamentals array. gcc/testsuite/ * g++.dg/cpp23/ext-floating13.C: New test. libstdc++-v3/ * config/abi/pre/gnu.ver (CXXABI_1.3.14): Export _ZTIDF[0-9]*[_bx], _ZTIPDF[0-9]*[_bx] and _ZTIPKDF[0-9]*[_bx]. * testsuite/util/testsuite_abi.cc (check_version): Handle CXXABI_1.3.14. --- gcc/cp/rtti.cc.jj 2022-10-17 12:29:33.519016406 +0200 +++ gcc/cp/rtti.cc 2022-12-12 15:23:48.244190755 +0100 @@ -1603,7 +1603,9 @@ emit_support_tinfos (void) &long_long_integer_type_node, &long_long_unsigned_type_node, &float_type_node, &double_type_node, &long_double_type_node, &dfloat32_type_node, &dfloat64_type_node, &dfloat128_type_node, - &nullptr_type_node, + &bfloat16_type_node, &float16_type_node, &float32_type_node, + &float64_type_node, &float128_type_node, &float32x_type_node, + &float64x_type_node, &float128x_type_node, &nullptr_type_node, 0 }; int ix; --- gcc/testsuite/g++.dg/cpp23/ext-floating13.C.jj 2022-12-12 15:38:51.357009408 +0100 +++ gcc/testsuite/g++.dg/cpp23/ext-floating13.C 2022-12-12 15:39:04.568816597 +0100 @@ -0,0 +1,35 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do link { target c++23 } } +// { dg-options "" } + +#include + +#ifdef __STDCPP_FLOAT16_T__ +const std::type_info &a = typeid(decltype(0.0f16)); +#endif +#ifdef __STDCPP_BFLOAT16_T__ +const std::type_info &b = typeid(decltype(0.0bf16)); +#endif +#ifdef __STDCPP_FLOAT32_T__ +const std::type_info &c = typeid(decltype(0.0f32)); +#endif +#ifdef __STDCPP_FLOAT64_T__ +const std::type_info &d = typeid(decltype(0.0f64)); +#endif +#ifdef __STDCPP_FLOAT128_T__ +const std::type_info &e = typeid(decltype(0.0f128)); +#endif +#ifdef __FLT32X_MAX__ +const std::type_info &f = typeid(decltype(0.0f32x)); +#endif +#ifdef __FLT64X_MAX__ +const std::type_info &g = typeid(decltype(0.0f64x)); +#endif +#ifdef __FLT128X_MAX__ +const std::type_info &h = typeid(decltype(0.0f128x)); +#endif + +int +main () +{ +} --- libstdc++-v3/config/abi/pre/gnu.ver.jj 2022-11-11 08:15:45.646183974 +0100 +++ libstdc++-v3/config/abi/pre/gnu.ver 2022-12-12 15:34:08.178142084 +0100 @@ -2794,6 +2794,16 @@ CXXABI_1.3.13 { } CXXABI_1.3.12; +CXXABI_1.3.14 { + + # typeinfo for _Float{16,32,64,128,32x,64x,128x} and + # __bf16 + _ZTIDF[0-9]*[_bx]; + _ZTIPDF[0-9]*[_bx]; + _ZTIPKDF[0-9]*[_bx]; + +} CXXABI_1.3.13; + # Symbols in the support library (libsupc++) supporting transactional memory. CXXABI_TM_1 { --- libstdc++-v3/testsuite/util/testsuite_abi.cc.jj 2022-09-12 11:30:14.224870022 +0200 +++ libstdc++-v3/testsuite/util/testsuite_abi.cc 2022-12-12 15:46:41.036156477 +0100 @@ -230,6 +230,7 @@ check_version(symbol& test, bool added) known_versions.push_back("CXXABI_1.3.11"); known_versions.push_back("CXXABI_1.3.12"); known_versions.push_back("CXXABI_1.3.13"); + known_versions.push_back("CXXABI_1.3.14"); known_versions.push_back("CXXABI_IEEE128_1.3.13"); known_versions.push_back("CXXABI_TM_1"); known_versions.push_back("CXXABI_FLOAT128"); @@ -251,7 +252,7 @@ check_version(symbol& test, bool added) bool latestp = (test.version_name == "GLIBCXX_3.4.31" // XXX remove next line when baselines have been regenerated. || test.version_name == "GLIBCXX_IEEE128_3.4.30" - || test.version_name == "CXXABI_1.3.13" + || test.version_name == "CXXABI_1.3.14" || test.version_name == "CXXABI_FLOAT128" || test.version_name == "CXXABI_TM_1"); if (added && !latestp) Jakub