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GET /api/1.2/patches/2226310/?format=api
{ "id": 2226310, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2226310/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.5@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.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.5@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T10:49:14", "name": "[v1,05/15] rtl-ssa: Add support for *_extend/subreg of a comparison to recog", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b1b036fa602ceac3f45910af7591dd16eae985e4", "submitter": { "id": 93219, "url": "http://patchwork.ozlabs.org/api/1.2/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.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.5@forge-stage.sourceware.org/mbox/", "series": [ { "id": 500990, "url": "http://patchwork.ozlabs.org/api/1.2/series/500990/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=500990", "date": "2026-04-22T10:49:12", "name": "copy-prop-arg", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500990/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226310/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226310/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 4g0xjL4YlNz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 21:25:26 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id C086B485A2A5\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 11:25:24 +0000 (GMT)", "from forge-stage.sourceware.org (vm08.sourceware.org [38.145.34.39])\n by sourceware.org (Postfix) with ESMTPS id 1A97841627DE\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:50:34 +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 9169D42BDA\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:50:31 +0000 (UTC)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org C086B485A2A5", "OpenDKIM Filter v2.11.0 sourceware.org 1A97841627DE" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org 1A97841627DE", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org 1A97841627DE", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776855034; cv=none;\n b=MQcm/sJMKsVp30rwm7HZ2unOG25MRRhJ6eizf9qJWaCgUIueKu0NWYDDy7hHKwRl3sMfkqgbXLU6Hr99WCNCth5FG/7mxMVrFI1ZYtm12Naac4+g2sNF/jRF5RqF5aRuBbQlwvwoa67vf409fyWjDSKpH+4bZ8udj7inTYxWEAE=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776855034; c=relaxed/simple;\n bh=cj6SHIenAHvtFpJuJJ0GJTcW4dbBDHMibJpbMG1WvVg=;\n h=From:Date:Subject:To:Message-ID;\n b=wC7iQsEeNZEhMIN0XwStzCkUVC9geFiENReeHmdgiemGf1Uw3UC7ew7w3IPCkZYJMCAa2S/GQXVzaAD7rBfCX9LXqy909/9Vf4Dw+w2DmTAbV7dbZ4yoaOEy5MhZaWGv3ceBRHWGENPOQdTj4di4EUyTDKtBjd0gKLViZ4GuAHk=", "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 10:49:14 +0000", "Subject": "[PATCH v1 05/15] rtl-ssa: Add support for *_extend/subreg of a\n comparison to recog", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.5@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/33", "References": "\n <bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.0@forge-stage.sourceware.org>", "In-Reply-To": "\n <bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.0@forge-stage.sourceware.org>", "X-Patch-URL": "\n https://forge.sourceware.org/pinskia/gcc-TEST/commit/7bd8d0c0171e2348e4003d12ad3352af1d180b2b", "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\nCombine tries to change the mode of a comparison so for both late_combine and fwprop,\nit would be useful if rtl-ssa handles this case too.\nI am not 100% sure this is the best place to do this but it should be in shared code.\n\ngcc/ChangeLog:\n\n\t* rtl-ssa/changes.cc (recog_level2):\n\t(recog_level3):\n\t(rtl_ssa::recog_internal):\n\nSigned-off-by: Andrew Pinski <quic_apinski@quicinc.com>\n---\n gcc/rtl-ssa/changes.cc | 47 ++++++++++++++++++++++++++++++++++++++++--\n 1 file changed, 45 insertions(+), 2 deletions(-)", "diff": "diff --git a/gcc/rtl-ssa/changes.cc b/gcc/rtl-ssa/changes.cc\nindex eb579ad3ad7e..9d86f304c6da 100644\n--- a/gcc/rtl-ssa/changes.cc\n+++ b/gcc/rtl-ssa/changes.cc\n@@ -982,7 +982,7 @@ find_clobbered_access (access_array accesses, rtx pat)\n // ADD_REGNO_CLOBBER is a specialization of function_info::add_regno_clobber\n // for a specific caller-provided predicate.\n static bool\n-recog_level2 (insn_change &change, add_regno_clobber_fn add_regno_clobber)\n+recog_level3 (insn_change &change, add_regno_clobber_fn add_regno_clobber)\n {\n insn_change_watermark insn_watermark;\n rtx_insn *rtl = change.rtl ();\n@@ -1146,6 +1146,50 @@ recog_level2 (insn_change &change, add_regno_clobber_fn add_regno_clobber)\n return true;\n }\n \n+// Try to recognize the new form of the insn associated with CHANGE,\n+// adding any clobbers that are necessary to make the instruction match\n+// an .md pattern. Return true on success.\n+//\n+// ADD_REGNO_CLOBBER is a specialization of function_info::add_regno_clobber\n+// for a specific caller-provided predicate.\n+static bool\n+recog_level2 (insn_change &change, add_regno_clobber_fn add_regno_clobber)\n+{\n+ if (recog_level3 (change, add_regno_clobber))\n+ return true;\n+ insn_info *insn = change.insn ();\n+ rtx_insn *rtl = insn->rtl ();\n+ rtx pat = PATTERN (rtl);\n+ // Skip over the \n+ //if (GET_CODE (pat) == PARALLEL && asm_noperands (pat) < 0)\n+ // {\n+ // }\n+ if (GET_CODE (pat) != SET)\n+ return false;\n+ rtx src = SET_SRC (pat);\n+ if (GET_CODE (src) != ZERO_EXTEND\n+ && GET_CODE (src) != SIGN_EXTEND\n+ && (GET_CODE (src) != SUBREG\n+\t || subreg_lowpart_p (src)))\n+ return false;\n+ if (!COMPARISON_P (XEXP (src, 0)))\n+ return false;\n+ rtx x = XEXP (src, 0);\n+ machine_mode imode = GET_MODE (x);\n+ machine_mode omode = GET_MODE (src);\n+ if (!SCALAR_INT_MODE_P (imode)\n+ || !SCALAR_INT_MODE_P (omode))\n+ return false;\n+ rtx newsrc = gen_rtx_fmt_ee (GET_CODE (x), omode, XEXP (x, 0), XEXP (x, 1));\n+\n+ int old_num_changes = num_validated_changes ();\n+ validate_change (rtl, &SET_SRC (pat), newsrc, true);\n+ if (recog_level3 (change, add_regno_clobber))\n+ return true;\n+ cancel_changes (old_num_changes);\n+ return false;\n+}\n+\n // Try to recognize the new form of the insn associated with CHANGE,\n // adding and removing clobbers as necessary to make the instruction\n // match an .md pattern. Return true on success, otherwise leave\n@@ -1197,7 +1241,6 @@ rtl_ssa::recog_internal (insn_change &change,\n \t}\n return false;\n }\n-\n return recog_level2 (change, add_regno_clobber);\n }\n \n", "prefixes": [ "v1", "05/15" ] }