Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2226753/?format=api
{ "id": 2226753, "url": "http://patchwork.ozlabs.org/api/patches/2226753/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhuozlstss.gcc.gcc-TEST.tkaminsk.78.1.11@forge-stage.sourceware.org/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/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.hhuozlstss.gcc.gcc-TEST.tkaminsk.78.1.11@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T18:44:09", "name": "[v1,11/12] libstdc++: Reuse predicates", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c8b398a4f460d4ff5a1d75ef0ef3c7c78fabb1a9", "submitter": { "id": 93223, "url": "http://patchwork.ozlabs.org/api/people/93223/?format=api", "name": "tkaminsk via Sourceware Forge", "email": "forge-bot+tkaminsk@forge-stage.sourceware.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhuozlstss.gcc.gcc-TEST.tkaminsk.78.1.11@forge-stage.sourceware.org/mbox/", "series": [ { "id": 501087, "url": "http://patchwork.ozlabs.org/api/series/501087/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=501087", "date": "2026-04-22T18:44:01", "name": "remove-predefined-ops", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501087/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226753/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226753/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=2620:52:6:3111::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\n [IPv6:2620:52:6:3111::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 4g18Dh6yZXz1yHB\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 05:19:48 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 2979346D808B\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 19:19:47 +0000 (GMT)", "from forge-stage.sourceware.org (vm08.sourceware.org [38.145.34.39])\n by sourceware.org (Postfix) with ESMTPS id 72AE840A0652\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 18:45:35 +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 BAACF4352B\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 18:45:33 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 2979346D808B", "OpenDKIM Filter v2.11.0 sourceware.org 72AE840A0652" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 72AE840A0652", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 72AE840A0652", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776883535; cv=none;\n b=OBBaZirRWLbAPQfxKLF5EClSqQm3sViexOa+VJpv49MbGYRxdu9kfqGYifzETDe+LuWjM64r/KIaaY3ABZBfgykXREuCHqXTLGZ3pWXol/puNIr8B9ESokem0e5+5BltWKnAHg8kYBS+vpttlQ6ELUXkh4X4N5ACd10H1VY0YPk=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776883535; c=relaxed/simple;\n bh=T8pEZXELN3hP436Y1E9CBJd0we/Laptb8u5XfZgzUDk=;\n h=From:Date:Subject:To:Message-ID;\n b=sAPZOWXf744P3nzI3NXYbxbNGgqlIeh30TzQdDc+KMK1GKbS5VmH3zE7CXgE+XpE+4gHEb5wXqPtBPI+uc+d0dEszzBprXr/Y7Pw+wXHpzvfGb2BB/8YmwXcIr3NW6lg7GF3oDYrL480tbXatqSR43iYgzJXx3Fz/naNwvV6AEM=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "From": "tkaminsk via Sourceware Forge\n <forge-bot+tkaminsk@forge-stage.sourceware.org>", "Date": "Wed, 22 Apr 2026 18:44:09 +0000", "Subject": "[PATCH v1 11/12] libstdc++: Reuse predicates", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhuozlstss.gcc.gcc-TEST.tkaminsk.78.1.11@forge-stage.sourceware.org>", "X-Mailer": "batrachomyomachia", "X-Requested-Reviewer": "fdumont", "X-Pull-Request-Organization": "gcc", "X-Pull-Request-Repository": "gcc-TEST", "X-Pull-Request": "https://forge.sourceware.org/gcc/gcc-TEST/pulls/78", "References": "\n <bmm.hhuozlstss.gcc.gcc-TEST.tkaminsk.78.1.0@forge-stage.sourceware.org>", "In-Reply-To": "\n <bmm.hhuozlstss.gcc.gcc-TEST.tkaminsk.78.1.0@forge-stage.sourceware.org>", "X-Patch-URL": "\n https://forge.sourceware.org/redi/gcc/commit/d287768348d20eabbdca0d436265940ffb9fe81d", "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>,\n tkaminsk@gcc.gnu.org", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "From: Jonathan Wakely <jwakely@redhat.com>\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/bits/stl_algobase.h (__search, __is_permutation):\n\tReuse predicate instead of creating a new one each time.\n\t* include/bits/stl_algo.h (__is_permutation): Likewise.\n---\n libstdc++-v3/include/bits/stl_algo.h | 13 ++++--------\n libstdc++-v3/include/bits/stl_algobase.h | 27 ++++++++++--------------\n 2 files changed, 15 insertions(+), 25 deletions(-)", "diff": "diff --git a/libstdc++-v3/include/bits/stl_algo.h b/libstdc++-v3/include/bits/stl_algo.h\nindex 10f1e1550c4f..5b67d830459d 100644\n--- a/libstdc++-v3/include/bits/stl_algo.h\n+++ b/libstdc++-v3/include/bits/stl_algo.h\n@@ -3531,18 +3531,13 @@ _GLIBCXX_END_INLINE_ABI_NAMESPACE(_V2)\n \n for (_ForwardIterator1 __scan = __first1; __scan != __last1; ++__scan)\n \t{\n-\t if (__scan != std::__find_if(__first1, __scan,\n-\t\t\t\t __gnu_cxx::__ops::bind1st(__pred,\n-\t\t\t\t\t\t\t\t *__scan)))\n+\t auto __scaneq = __gnu_cxx::__ops::bind1st(__pred, *__scan);\n+\t if (__scan != std::__find_if(__first1, __scan, __scaneq))\n \t continue; // We've seen this one before.\n \n-\t auto __matches = std::__count_if(__first2, __last2,\n-\t\t\t\t\t __gnu_cxx::__ops::bind1st(__pred,\n-\t\t\t\t\t\t\t\t *__scan));\n+\t auto __matches = std::__count_if(__first2, __last2, __scaneq);\n \t if (0 == __matches\n-\t || std::__count_if(__scan, __last1,\n-\t\t\t\t __gnu_cxx::__ops::bind1st(__pred, *__scan))\n-\t != __matches)\n+\t\t|| std::__count_if(__scan, __last1, __scaneq) != __matches)\n \t return false;\n \t}\n return true;\ndiff --git a/libstdc++-v3/include/bits/stl_algobase.h b/libstdc++-v3/include/bits/stl_algobase.h\nindex 0ac30c65ae30..34a21f118d52 100644\n--- a/libstdc++-v3/include/bits/stl_algobase.h\n+++ b/libstdc++-v3/include/bits/stl_algobase.h\n@@ -2149,21 +2149,21 @@ _GLIBCXX_END_NAMESPACE_ALGO\n if (__first1 == __last1 || __first2 == __last2)\n \treturn __first1;\n \n+ using __gnu_cxx::__ops::bind2nd;\n+ typedef __decltype(bind2nd(__predicate, *__first2)) _Match1st;\n+ _Match1st __match_first = bind2nd(__predicate, *__first2);\n+\n // Test for a pattern of length 1.\n _ForwardIterator2 __p1(__first2);\n if (++__p1 == __last2)\n-\treturn std::__find_if(__first1, __last1,\n-\t\t\t __gnu_cxx::__ops::bind2nd(__predicate,\n-\t\t\t\t\t\t\t*__first2));\n+\treturn std::__find_if(__first1, __last1, __match_first);\n \n // General case.\n _ForwardIterator1 __current = __first1;\n \n for (;;)\n \t{\n-\t __first1 =\n-\t std::__find_if(__first1, __last1,\n-\t\t\t __gnu_cxx::__ops::bind2nd(__predicate, *__first2));\n+\t __first1 = std::__find_if(__first1, __last1, __match_first);\n \n \t if (__first1 == __last1)\n \t return __last1;\n@@ -2208,18 +2208,13 @@ _GLIBCXX_END_NAMESPACE_ALGO\n std::advance(__last2, std::distance(__first1, __last1));\n for (_ForwardIterator1 __scan = __first1; __scan != __last1; ++__scan)\n \t{\n-\t if (__scan != std::__find_if(__first1, __scan,\n-\t\t\t\t __gnu_cxx::__ops::bind1st(__pred,\n-\t\t\t\t\t\t\t\t *__scan)))\n+\t auto __scaneq = __gnu_cxx::__ops::bind1st(__pred, *__scan);\n+\t if (__scan != std::__find_if(__first1, __scan, __scaneq))\n \t continue; // We've seen this one before.\n \n-\t auto __matches\n-\t = std::__count_if(__first2, __last2,\n-\t\t\t __gnu_cxx::__ops::bind1st(__pred, *__scan));\n-\t if (0 == __matches ||\n-\t std::__count_if(__scan, __last1,\n-\t\t\t __gnu_cxx::__ops::bind1st(__pred, *__scan))\n-\t != __matches)\n+\t auto __matches = std::__count_if(__first2, __last2, __scaneq);\n+\t if (0 == __matches\n+\t\t|| std::__count_if(__scan, __last1, __scaneq) != __matches)\n \t return false;\n \t}\n return true;\n", "prefixes": [ "v1", "11/12" ] }