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GET /api/1.2/patches/2226312/?format=api
{ "id": 2226312, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2226312/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.9@forge-stage.sourceware.org/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.2/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.9@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T10:44:24", "name": "[v1,09/16] libstdc++: Rename __atomic_compare to __atomic_eq", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "556ce5719be45ff5a54b80539e72ec924f3e34da", "submitter": { "id": 93210, "url": "http://patchwork.ozlabs.org/api/1.2/people/93210/?format=api", "name": "Jonathan Wakely via Sourceware Forge", "email": "forge-bot+redi@forge-stage.sourceware.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.9@forge-stage.sourceware.org/mbox/", "series": [ { "id": 500987, "url": "http://patchwork.ozlabs.org/api/1.2/series/500987/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=500987", "date": "2026-04-22T10:44:17", "name": "atomic wait/notify ABI stabilization", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500987/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226312/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226312/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)", "sourceware.org; dmarc=none (p=none dis=none)\n header.from=forge-stage.sourceware.org", "sourceware.org;\n spf=pass smtp.mailfrom=forge-stage.sourceware.org", "server2.sourceware.org;\n arc=none smtp.remote-ip=38.145.34.39" ], "Received": [ "from vm01.sourceware.org (vm01.sourceware.org [38.145.34.32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0xjv0nrCz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 21:25:55 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 0405B435EC68\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 11:25:53 +0000 (GMT)", "from forge-stage.sourceware.org (vm08.sourceware.org [38.145.34.39])\n by sourceware.org (Postfix) with ESMTPS id 8E5C54015EB4\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:46:05 +0000 (GMT)", "from forge-stage.sourceware.org (localhost [IPv6:::1])\n (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256)\n (No client certificate requested)\n by forge-stage.sourceware.org (Postfix) with ESMTPS id F076342BB7\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:46:01 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 0405B435EC68", "OpenDKIM Filter v2.11.0 sourceware.org 8E5C54015EB4" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 8E5C54015EB4", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 8E5C54015EB4", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776854765; cv=none;\n b=vs5NsSBNqhWQyU6h5K2N5Y8rvGA5mNGvCuNIZGrUF4LkMbkuHuIiJ11ChxkyQy9uzRCsK7IGknTjXl17L947cG5Ea8/6iJq2YIJYzWkAiGZ3B5We03FBsN7XVKZiEtbcTlrYdO39UtB3xAV4FoS4F938jiC2PfKcP4RVi/Bh3vc=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776854765; c=relaxed/simple;\n bh=uJjkDaX02JLGNxBFt4d92LBLa9Pv5jeHLo8rJAFNkX4=;\n h=From:Date:Subject:To:Message-ID;\n b=Gl94QgYoV2oukPvw7vuDVdxAiGjuuTh/6CDxnO68GENNsaOmLoGP9IGVpAPVxbn7I0cT0PSl6SKzCqDEmMCvqWtuDyNW74H+2VJ2hs+Az8ZcuFhfhn8B5F9IxBdJaeXrJD8RXlrDyuAGftzdat5IQYm/wgkSrFoMFzIsighRmws=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "From": "Jonathan Wakely via Sourceware Forge\n <forge-bot+redi@forge-stage.sourceware.org>", "Date": "Wed, 22 Apr 2026 10:44:24 +0000", "Subject": "[PATCH v1 09/16] libstdc++: Rename __atomic_compare to __atomic_eq", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.9@forge-stage.sourceware.org>", "X-Mailer": "batrachomyomachia", "X-Pull-Request-Organization": "gcc", "X-Pull-Request-Repository": "gcc-TEST", "X-Pull-Request": "https://forge.sourceware.org/gcc/gcc-TEST/pulls/31", "References": "\n <bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.0@forge-stage.sourceware.org>", "In-Reply-To": "\n <bmm.hhubrmqub2.gcc.gcc-TEST.redi.31.1.0@forge-stage.sourceware.org>", "X-Patch-URL": "\n https://forge.sourceware.org/redi/gcc/commit/c0704254a949dd02fa2c96f2864b3c918140f119", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Reply-To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>, redi@gcc.gnu.org", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "From: Jonathan Wakely <jwakely@redhat.com>\n\nThis is an equality comparison rather than a three-way comparison like\nmemcmp and <=>, so name it more precisely.\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/bits/atomic_timed_wait.h\n\t(__atomic_wait_address_until_v): Replace __atomic_compare with\n\t__atomic_eq.\n\t(__atomic_wait_address_for_v): Likewise.\n\t* include/bits/atomic_wait.h (__atomic_compare): Rename to\n\t__atomic_eq.\n\t(__atomic_wait_address_v): Replace __atomic_compare with\n\t__atomic_eq.\n---\n libstdc++-v3/include/bits/atomic_timed_wait.h | 10 ++++++----\n libstdc++-v3/include/bits/atomic_wait.h | 5 +++--\n 2 files changed, 9 insertions(+), 6 deletions(-)", "diff": "diff --git a/libstdc++-v3/include/bits/atomic_timed_wait.h b/libstdc++-v3/include/bits/atomic_timed_wait.h\nindex cbf9187f2bb8..800f461e9e48 100644\n--- a/libstdc++-v3/include/bits/atomic_timed_wait.h\n+++ b/libstdc++-v3/include/bits/atomic_timed_wait.h\n@@ -302,8 +302,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n \t\t\t\t const chrono::time_point<_Clock, _Dur>& __atime,\n \t\t\t\t bool __bare_wait = false) noexcept\n {\n- auto __pfn = [&](const _Tp& __val)\n-\t { return !__detail::__atomic_compare(__old, __val); };\n+ auto __pfn = [&](const _Tp& __val) {\n+\treturn !__detail::__atomic_eq(__old, __val);\n+ };\n return __atomic_wait_address_until(__addr, __pfn, forward<_ValFn>(__vfn),\n \t\t\t\t\t __atime, __bare_wait);\n }\n@@ -350,8 +351,9 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n \t\t\t\tconst chrono::duration<_Rep, _Period>& __rtime,\n \t\t\t\tbool __bare_wait = false) noexcept\n {\n- auto __pfn = [&](const _Tp& __val)\n-\t { return !__detail::__atomic_compare(__old, __val); };\n+ auto __pfn = [&](const _Tp& __val) {\n+\treturn !__detail::__atomic_eq(__old, __val);\n+ };\n return __atomic_wait_address_for(__addr, __pfn, forward<_ValFn>(__vfn),\n \t\t\t\t __rtime, __bare_wait);\n }\ndiff --git a/libstdc++-v3/include/bits/atomic_wait.h b/libstdc++-v3/include/bits/atomic_wait.h\nindex cfda323a3ab6..40d8471413a2 100644\n--- a/libstdc++-v3/include/bits/atomic_wait.h\n+++ b/libstdc++-v3/include/bits/atomic_wait.h\n@@ -154,7 +154,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n \n // return true if equal\n template<typename _Tp>\n- bool __atomic_compare(const _Tp& __a, const _Tp& __b)\n+ inline bool\n+ __atomic_eq(const _Tp& __a, const _Tp& __b)\n {\n \t// TODO make this do the correct padding bit ignoring comparison\n \treturn __builtin_memcmp(&__a, &__b, sizeof(_Tp)) == 0;\n@@ -483,7 +484,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION\n \t\t\t _ValFn __vfn) noexcept\n {\n auto __pfn = [&](const _Tp& __val)\n-\t { return !__detail::__atomic_compare(__old, __val); };\n+\t { return !__detail::__atomic_eq(__old, __val); };\n __atomic_wait_address(__addr, __pfn, forward<_ValFn>(__vfn));\n }\n \n", "prefixes": [ "v1", "09/16" ] }