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GET /api/1.2/patches/809351/?format=api
{ "id": 809351, "url": "http://patchwork.ozlabs.org/api/1.2/patches/809351/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/CAFULd4bQ50b0W7z8SLEp0oOKQhrwdRtP09gN1DXf04wAXuJJsA@mail.gmail.com/", "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": "<CAFULd4bQ50b0W7z8SLEp0oOKQhrwdRtP09gN1DXf04wAXuJJsA@mail.gmail.com>", "list_archive_url": null, "date": "2017-09-03T18:53:09", "name": "[i386] : Allow memory operand for BT with immediate bitcount operand", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5fb370a6f8c770e7abdcf2e57f75961c324642d4", "submitter": { "id": 808, "url": "http://patchwork.ozlabs.org/api/1.2/people/808/?format=api", "name": "Uros Bizjak", "email": "ubizjak@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/CAFULd4bQ50b0W7z8SLEp0oOKQhrwdRtP09gN1DXf04wAXuJJsA@mail.gmail.com/mbox/", "series": [ { "id": 1270, "url": "http://patchwork.ozlabs.org/api/1.2/series/1270/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=1270", "date": "2017-09-03T18:53:09", "name": "[i386] : Allow memory operand for BT with immediate bitcount operand", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/1270/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/809351/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/809351/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-return-461363-incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "mailing list gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=gcc.gnu.org\n\t(client-ip=209.132.180.131; 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Sun, 03 Sep 2017 11:53:11 -0700 (PDT)", "by 10.103.55.28 with HTTP; Sun, 3 Sep 2017 11:53:09 -0700 (PDT)" ], "DomainKey-Signature": "a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender\n\t:mime-version:from:date:message-id:subject:to:content-type; q=\n\tdns; s=default; b=Fi1PzFUsu43EMP8sIjAUOI/pMHEB45wHUm4rP+jSCiKCdz\n\tWnuutMoJhq80FVq7ItPTbMc56gFMgTjPadqXdS+WMN67FXxqT4gWtrXcli6MbZ9O\n\tWXzdWlTUruxUizaEDbjrUnkyfiHFrCo/CRa1dpOTMmgRA0dfHfBljaNb/HSdY=", "DKIM-Signature": "v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id\n\t:list-unsubscribe:list-archive:list-post:list-help:sender\n\t:mime-version:from:date:message-id:subject:to:content-type; s=\n\tdefault; bh=jn4G8j6NemQE22NEJ8EKFAaHNmM=; b=uTj8cssTUti803Gl+Wfn\n\tYjbJqR1S4rAL0F06IqhvLikRNiwGcupHX+s5TYJNZJwuAtxi67MiDyqh8UiYawxD\n\t1O9y5E/333yyPq+0CMk8EZU16Uuu3PZ6Kg0dq/Qfl9I1LUbF8X+Qfgkgry0SISzF\n\tGWvav5oNU5k54KGOAzjUJlM=", "Mailing-List": "contact gcc-patches-help@gcc.gnu.org; run by ezmlm", "Precedence": "bulk", "List-Id": "<gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<mailto:gcc-patches-unsubscribe-incoming=patchwork.ozlabs.org@gcc.gnu.org>", "List-Archive": "<http://gcc.gnu.org/ml/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-help@gcc.gnu.org>", "Sender": "gcc-patches-owner@gcc.gnu.org", "X-Virus-Found": "No", "X-Spam-SWARE-Status": "No, score=-11.1 required=5.0 tests=AWL, BAYES_00,\n\tFREEMAIL_FROM, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE,\n\tSPF_PASS autolearn=ham version=3.3.2 spammy=hello!", "X-HELO": "mail-vk0-f42.google.com", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net;\n\ts=20161025;\n\th=x-gm-message-state:mime-version:from:date:message-id:subject:to;\n\tbh=BogmLA0FbIp2Y7nmMlHIUuqknOpj9nwls1CKAfKWQUg=;\n\tb=jObs0VDkb8ug+zz1oiMmsYLabCB7Qc9fINAugZMfMX1T4kgAoF52A9/0Jv+GLjLfa/\n\txq+PXAjgfxuxFLP+3WXjyxiNO5MixnppSdywzWqUIZGRiN0jI4tnZHXhKFR91WnvAIqt\n\tw33u+ptmi13L01T5JsFVIsV1i5la+O98KVnSNrnJZMYyUxuu+kuMCQ9Nhuh1Yw8MnRGn\n\tqyLg/IniS7oP6jmfqGRVATACwVYD/QztBn6Fkav31t3TRoRcj2RKtsEFnvvhkSV0HuTk\n\tXRcBf1uvW67NsDVcu2AUpso/lqUylqjejr8BPsIT4mPmAoQij7At8OYIO1CfeLtzcXxv\n\t0NJg==", "X-Gm-Message-State": "AHPjjUhZGM8eU3CCw7sheE5RxoxXFj1XYnBVgxAyxvH1w56Rw6hSeOil\twz+dyQRh9r7Pe18YXE7dE44rXyCA7oCv", "X-Google-Smtp-Source": "ADKCNb7L4TjtCNi7EU0PlbBxwPM77xERBksk6WcLG21Ms2Gc0dNhYnBE6eW+BGJ9tc5ttr7lhQIPF5s09JfgYU01zLw=", "X-Received": "by 10.31.33.141 with SMTP id h135mr5292224vkh.137.1504464789415;\n\tSun, 03 Sep 2017 11:53:09 -0700 (PDT)", "MIME-Version": "1.0", "From": "Uros Bizjak <ubizjak@gmail.com>", "Date": "Sun, 3 Sep 2017 20:53:09 +0200", "Message-ID": "<CAFULd4bQ50b0W7z8SLEp0oOKQhrwdRtP09gN1DXf04wAXuJJsA@mail.gmail.com>", "Subject": "[PATCH,\n\ti386]: Allow memory operand for BT with immediate bitcount operand", "To": "\"gcc-patches@gcc.gnu.org\" <gcc-patches@gcc.gnu.org>", "Content-Type": "text/plain; charset=\"UTF-8\"" }, "content": "Hello!\n\nThe BT instruction is slow only when memory operand is used with\nnonimmediate bitcount operand.\n\n2017-09-03 Uros Bizjak <ubizjak@gmail.com>\n\n * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand\n predicate for operand 1. Add (m,<S>) constraint.\n (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.\n Prevent memory operand 1 with register operand 2.\n\nBootstrapped and regression tested on x86_64-linux-gnu {,-m32}.\n\nCommitted to mainline SVN.\n\nUros.", "diff": "Index: config/i386/i386.md\n===================================================================\n--- config/i386/i386.md (revision 251566)\n+++ config/i386/i386.md (working copy)\n@@ -11217,9 +11217,9 @@\n [(set (reg:CCC FLAGS_REG)\n (compare:CCC\n (zero_extract:SWI48\n- (match_operand:SWI48 0 \"register_operand\" \"r\")\n+ (match_operand:SWI48 0 \"nonimmediate_operand\" \"r,m\")\n (const_int 1)\n- (match_operand:SI 1 \"nonmemory_operand\" \"r<S>\"))\n+ (match_operand:SI 1 \"nonmemory_operand\" \"r<S>,<S>\"))\n (const_int 0)))]\n \"\"\n {\n@@ -11248,7 +11248,7 @@\n [(set (pc)\n (if_then_else (match_operator 0 \"bt_comparison_operator\"\n [(zero_extract:SWI48\n- (match_operand:SWI48 1 \"register_operand\")\n+ (match_operand:SWI48 1 \"nonimmediate_operand\")\n (const_int 1)\n (match_operand:SI 2 \"nonmemory_operand\"))\n (const_int 0)])\n@@ -11260,7 +11260,7 @@\n ? (INTVAL (operands[2]) < GET_MODE_BITSIZE (<MODE>mode)\n && INTVAL (operands[2])\n >= (optimize_function_for_size_p (cfun) ? 8 : 32))\n- : register_operand (operands[2], SImode))\n+ : !memory_operand (operands[1], <MODE>mode))\n && can_create_pseudo_p ()\"\n \"#\"\n \"&& 1\"\n", "prefixes": [ "i386" ] }