Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2226716/?format=api
{ "id": 2226716, "url": "http://patchwork.ozlabs.org/api/patches/2226716/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhuom29jc4.gcc.gcc-TEST.pinskia.61.1.5@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.hhuom29jc4.gcc.gcc-TEST.pinskia.61.1.5@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T18:30:30", "name": "[v1,5/6] Support copying over other memory stmts", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "0d79fdd9f4acc9a8d5d743ed8875ed518ece795d", "submitter": { "id": 93219, "url": "http://patchwork.ozlabs.org/api/people/93219/?format=api", "name": "Andrew Pinski via Sourceware Forge", "email": "forge-bot+pinskia@forge-stage.sourceware.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhuom29jc4.gcc.gcc-TEST.pinskia.61.1.5@forge-stage.sourceware.org/mbox/", "series": [ { "id": 501080, "url": "http://patchwork.ozlabs.org/api/series/501080/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=501080", "date": "2026-04-22T18:30:28", "name": "copy-propv3", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501080/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226716/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226716/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 4g17YM28WMz1yD5\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 04:49:11 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 7A5F24331753\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 18:49:09 +0000 (GMT)", "from forge-stage.sourceware.org (vm08.sourceware.org [38.145.34.39])\n by sourceware.org (Postfix) with ESMTPS id F36A744C1749\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 18:32:06 +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 24340434D1\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 18:32:05 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 7A5F24331753", "OpenDKIM Filter v2.11.0 sourceware.org F36A744C1749" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org F36A744C1749", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org F36A744C1749", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776882727; cv=none;\n b=nsxNpReK8OsRL2jI5tOcSguTKo2u8SvYmdzFiy/vlrnXT2Io51sDyDPp80yIdlPcf9mHdAsuWl5K7R7+l06+rB7+n4oKsdaS1CfGvH8f23pqukXxBKZ6xFdFACDaskwkNkV/WV5LcVJkr/pFjnStB2XunEyv7J5aH9EXtnxeVrM=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776882727; c=relaxed/simple;\n bh=FSoAI2A8QwRzylLm2Kibqb27hUNf2RkTOe3Six3ns1I=;\n h=From:Date:Subject:To:Message-ID;\n b=vWUJIchQFgMoLQbsHh2AnkJ7QwQtBmei/iGYmPph/Pkt9CkOyIfLjaSlFWYjsLppm9dwS2rmovtyEx3pZVOqx956KzbcZvqgKs/HjnYEld9QsxEDmVffoMTcxDLMu9mhgXGIyc6Y0KtbPkid/taY92j85DBRolDcd81M4cPRp2c=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "From": "Andrew Pinski via Sourceware Forge\n <forge-bot+pinskia@forge-stage.sourceware.org>", "Date": "Wed, 22 Apr 2026 18:30:30 +0000", "Subject": "[PATCH v1 5/6] Support copying over other memory stmts", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhuom29jc4.gcc.gcc-TEST.pinskia.61.1.5@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/61", "References": "\n <bmm.hhuom29jc4.gcc.gcc-TEST.pinskia.61.1.0@forge-stage.sourceware.org>", "In-Reply-To": "\n <bmm.hhuom29jc4.gcc.gcc-TEST.pinskia.61.1.0@forge-stage.sourceware.org>", "X-Patch-URL": "\n https://forge.sourceware.org/pinskia/gcc-TEST/commit/4c59e5cc906f85a415c0f3098fc6c69282d97be2", "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 pinskia@gcc.gnu.org", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "From: Andrew Pinski <quic_apinski@quicinc.com>\n\ngcc/ChangeLog:\n\n\t* tree-ssa-forwprop.cc (optimize_agr_copyprop):\n\nSigned-off-by: Andrew Pinski <quic_apinski@quicinc.com>\n---\n gcc/tree-ssa-forwprop.cc | 40 ++++++++++++++++++++++++++++++++--------\n 1 file changed, 32 insertions(+), 8 deletions(-)", "diff": "diff --git a/gcc/tree-ssa-forwprop.cc b/gcc/tree-ssa-forwprop.cc\nindex 852ef21b3acc..60354ab03ad1 100644\n--- a/gcc/tree-ssa-forwprop.cc\n+++ b/gcc/tree-ssa-forwprop.cc\n@@ -1497,6 +1497,8 @@ optimize_agr_copyprop_arg (gimple *defstmt, gimple *use_stmt,\n static bool\n optimize_agr_copyprop (gimple_stmt_iterator *gsip)\n {\n+ ao_ref read;\n+ ao_ref write;\n gimple *stmt = gsi_stmt (*gsip);\n if (gimple_has_volatile_ops (stmt))\n return false;\n@@ -1511,17 +1513,39 @@ optimize_agr_copyprop (gimple_stmt_iterator *gsip)\n if (operand_equal_p (dest, src, 0))\n return false;\n \n- tree vdef = gimple_vdef (stmt);\n- imm_use_iterator iter;\n- gimple *use_stmt;\n+ auto_vec<std::pair<tree, unsigned>> worklist;\n+ ao_ref_init (&read, dest);\n+ ao_ref_init (&write, src);\n+ unsigned limit = param_sccvn_max_alias_queries_per_access;\n+ worklist.safe_push (std::make_pair (gimple_vdef (stmt), limit));\n bool changed = false;\n- FOR_EACH_IMM_USE_STMT (use_stmt, iter, vdef)\n+\n+ while (!worklist.is_empty ())\n {\n- if (optimize_agr_copyprop_1 (stmt, use_stmt, dest, src))\n-\tchanged = true;\n- else if (optimize_agr_copyprop_arg (stmt, use_stmt, dest, src))\n-\tchanged = true;\n+ std::pair<tree, unsigned> top = worklist.pop ();\n+ tree vdef = top.first;\n+ limit = top.second;\n+ imm_use_iterator iter;\n+ gimple *use_stmt;\n+ FOR_EACH_IMM_USE_STMT (use_stmt, iter, vdef)\n+ {\n+\t if (is_a <gphi*> (use_stmt))\n+\t continue;\n+\t if (gimple_vdef (use_stmt)\n+\t && !stmt_may_clobber_ref_p_1 (use_stmt, &read,\n+\t\t\t\t\t /* tbaa_p = */ true)\n+\t && !stmt_may_clobber_ref_p_1 (use_stmt, &write,\n+\t\t\t\t\t /* tbaa_p = */ false)\n+\t && limit != 0)\n+\t worklist.safe_push (std::make_pair (gimple_vdef (use_stmt),\n+\t\t\t\t\t\tlimit - 1));\n+ if (optimize_agr_copyprop_1 (stmt, use_stmt, dest, src))\n+\t changed = true;\n+ else if (optimize_agr_copyprop_arg (stmt, use_stmt, dest, src))\n+\t changed = true;\n+ }\n }\n+\n return changed;\n }\n \n", "prefixes": [ "v1", "5/6" ] }