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GET /api/1.2/patches/2226329/?format=api
{ "id": 2226329, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2226329/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.4@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.33.1.4@forge-stage.sourceware.org>", "list_archive_url": null, "date": "2026-04-22T10:49:13", "name": "[v1,04/15] simplify-rtx: Simplify `(zero_extend (and x CST))` -> (and (subreg x) CST)", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2aea2bf0a93fa942048f2b302f342624b4d37766", "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.33.1.4@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/2226329/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226329/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 4g0xn12qhDz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 21:28:37 +1000 (AEST)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id F03B048EFB79\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 11:28:34 +0000 (GMT)", "from forge-stage.sourceware.org (vm08.sourceware.org [38.145.34.39])\n by sourceware.org (Postfix) with ESMTPS id B432C41627D6\n for <gcc-patches@gcc.gnu.org>; Wed, 22 Apr 2026 10:50:31 +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 82C4042BD9\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 F03B048EFB79", "OpenDKIM Filter v2.11.0 sourceware.org B432C41627D6" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org B432C41627D6", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org B432C41627D6", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1776855031; cv=none;\n b=jattG3AaAzEyCAJ2OGVlsc38l7GwH/LbqsoZnM8PLmED4WIS6IO2UKvFLOZKsB2VG2zP8NTy6WyRBN3MTo3hnilfJRJOSK7OCt4zLaSCwluYIqF3bk33tMZwLDXS9PLdGi5HzOkQdLmQrkKzxTCZiBaJUepoT41g0fBiITFyBZ8=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1776855031; c=relaxed/simple;\n bh=h77Ql89g9ILs44tNHdHLuiTdUkJJcLACr5xk0vweBMQ=;\n h=From:Date:Subject:To:Message-ID;\n b=ex+E101N9dCqBoMU7Ekz5J6fVqtj6x+Bm/3mmGakrpq6EQffeBeS6tL1hQ8wSNgM6oLDR4hSKXx6G1NZAYIpBMpCNidFqZyNpJ/rW6Nm57nm5W1NPn0W4jlBEEjzPBxS8sZBHhzTaE1bcB1KEQVWOByOmOEujVFF+OoAVn8xzr4=", "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 10:49:13 +0000", "Subject": "[PATCH v1 04/15] simplify-rtx: Simplify `(zero_extend (and x CST))`\n -> (and (subreg x) CST)", "To": "gcc-patches mailing list <gcc-patches@gcc.gnu.org>", "Message-ID": "\n <bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.4@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/d0add310664b083c38b4f8fe557b3456ea380f89", "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\nThis adds the simplification of a ZERO_EXTEND of an AND. This optimization\nwas already handled in combine via combine_simplify_rtx and the handling\nthere of compound_operations (ZERO_EXTRACT).\n\ngcc/ChangeLog:\n\n\t* simplify-rtx.cc (simplify_context::simplify_unary_operation_1) <case ZERO_EXTEND>:\n\tAdd simplifcation for and with a constant.\n\nSigned-off-by: Andrew Pinski <quic_apinski@quicinc.com>\n---\n gcc/simplify-rtx.cc | 11 +++++++++++\n 1 file changed, 11 insertions(+)", "diff": "diff --git a/gcc/simplify-rtx.cc b/gcc/simplify-rtx.cc\nindex c478bd060fc6..f4e03cd45e81 100644\n--- a/gcc/simplify-rtx.cc\n+++ b/gcc/simplify-rtx.cc\n@@ -1709,6 +1709,17 @@ simplify_context::simplify_unary_operation_1 (rtx_code code, machine_mode mode,\n if (GET_MODE (op) == mode)\n \treturn op;\n \n+ /* (zero_extend:SI (and:QI X (const))) -> (and:SI (lowpart:SI X) const)\n+\t where const does not sign bit set. */\n+ if (GET_CODE (op) == AND\n+\t && CONST_INT_P (XEXP (op, 1))\n+\t && INTVAL (XEXP (op, 1)) > 0)\n+\t{\n+\t rtx tem = rtl_hooks.gen_lowpart_no_emit (mode, XEXP (op, 0));\n+\t if (tem)\n+\t return simplify_gen_binary (AND, mode, tem, XEXP (op, 1));\n+\t}\n+\n /* Check for a zero extension of a subreg of a promoted\n \t variable, where the promotion is zero-extended, and the\n \t target mode is the same as the variable's promotion. */\n", "prefixes": [ "v1", "04/15" ] }