From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2181) id E125B3858415; Thu, 10 Feb 2022 13:04:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E125B3858415 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Jonathan Wakely To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r12-7177] libstdc++: Add atomic_fetch_xor to X-Act-Checkin: gcc X-Git-Author: Jonathan Wakely X-Git-Refname: refs/heads/master X-Git-Oldrev: 3d5f4f76e6db0895181ebca538748379bfe6058f X-Git-Newrev: 3e539985cc7a28516054cc080ffd9681aa745afa Message-Id: <20220210130418.E125B3858415@sourceware.org> Date: Thu, 10 Feb 2022 13:04:18 +0000 (GMT) X-BeenThere: libstdc++-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Feb 2022 13:04:19 -0000 https://gcc.gnu.org/g:3e539985cc7a28516054cc080ffd9681aa745afa commit r12-7177-g3e539985cc7a28516054cc080ffd9681aa745afa Author: Jonathan Wakely Date: Wed Feb 9 13:38:33 2022 +0000 libstdc++: Add atomic_fetch_xor to This function (and the explicit memory over version) are present in both C++ and C , so should be in C++ too. There is a library issue incoming for this, but the resolution is obvious. libstdc++-v3/ChangeLog: * include/c_compatibility/stdatomic.h (atomic_fetch_xor): Add using-declaration. (atomic_fetch_xor_explicit): Likewise. * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Check arithmetic and logical operations for atomic_int. Diff: --- libstdc++-v3/include/c_compatibility/stdatomic.h | 2 ++ .../testsuite/29_atomics/headers/stdatomic.h/c_compat.cc | 11 +++++++++++ 2 files changed, 13 insertions(+) diff --git a/libstdc++-v3/include/c_compatibility/stdatomic.h b/libstdc++-v3/include/c_compatibility/stdatomic.h index 95c72615b4e..c97cbac984e 100644 --- a/libstdc++-v3/include/c_compatibility/stdatomic.h +++ b/libstdc++-v3/include/c_compatibility/stdatomic.h @@ -111,6 +111,8 @@ using std::atomic_fetch_sub; using std::atomic_fetch_sub_explicit; using std::atomic_fetch_or; using std::atomic_fetch_or_explicit; +using std::atomic_fetch_xor; +using std::atomic_fetch_xor_explicit; using std::atomic_fetch_and; using std::atomic_fetch_and_explicit; using std::atomic_flag_test_and_set; diff --git a/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/c_compat.cc b/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/c_compat.cc index 80d2e150647..6dd4f5b00ca 100644 --- a/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/c_compat.cc +++ b/libstdc++-v3/testsuite/29_atomics/headers/stdatomic.h/c_compat.cc @@ -116,6 +116,17 @@ static_assert( requires (::atomic_int* i, int* e) { ::atomic_compare_exchange_weak_explicit(i, e, 3, memory_order_acq_rel, memory_order_relaxed); + + ::atomic_fetch_add(i, 1); + ::atomic_fetch_add_explicit(i, 1, memory_order_relaxed); + ::atomic_fetch_sub(i, 1); + ::atomic_fetch_sub_explicit(i, 1, memory_order_relaxed); + ::atomic_fetch_and(i, 1); + ::atomic_fetch_and_explicit(i, 1, memory_order_relaxed); + ::atomic_fetch_or(i, 1); + ::atomic_fetch_or_explicit(i, 1, memory_order_relaxed); + ::atomic_fetch_xor(i, 1); + ::atomic_fetch_xor_explicit(i, 1, memory_order_relaxed); } ); static_assert( requires (::atomic_flag* f) {