From patchwork Thu Dec 1 01:36:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiufu Guo X-Patchwork-Id: 28128 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp13435wrr; Wed, 30 Nov 2022 17:37:49 -0800 (PST) X-Google-Smtp-Source: AA0mqf7ufReI4/aG5uncvoAt8qP23MOkqbduCDfnSdh7W5sLYMSp254c4uICtS3481/q2DfrY/dh X-Received: by 2002:a17:906:6806:b0:7bf:e1f3:543f with SMTP id k6-20020a170906680600b007bfe1f3543fmr14335527ejr.161.1669858669323; Wed, 30 Nov 2022 17:37:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669858669; cv=none; d=google.com; s=arc-20160816; b=CD5b1e9mcj67cPFWli9hHDi3MmVIOPCGqy3xc+xG8Isz5K9zqO7+jeuflhGdj/UTHQ PGCb886Fe+UtHB+heMfhreQmtCMhoNrkWFD11WmyaqJynwkyOYzK0q//Vr+hATSaJRop 4EVA7/59rAH9Aeo9v/ICb2lUId0WzQuVTb9WDdj0f6AWo/TV8FF4b1CmTuQ93yERJNwC aYRUAKgOUsHMo0whhZ2jdDAnyHw9Tiiz4tkI5wRiVH1PXWRY05vhE1F1wsT6kreZwpZH 0rIBokYiSa90kXlGtU1ipANIoo/l1RYZpiYso+IFePnb2l+UyAlR/w9xjclzK/MDRvN/ x52g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:reply-to:from:list-subscribe:list-help:list-post :list-archive:list-unsubscribe:list-id:precedence:message-id:date :subject:cc:to:dmarc-filter:delivered-to:dkim-signature:dkim-filter; bh=kGA4zdel3v+2cwI39B2SPsy+b90dvRuUYtRNRT6j4GQ=; b=SRtKgplL4yaavBjEW8xjPEtoK3yDRiZs2kpzRk+qRqgxCeMB5UGZPpnKFLnJZpnAJA D3jrub+htewIF11cuweoAbZOHZwVBIIfOvDU9o8PydVdxiBXwWkBAkUXbFu9wKAuD99G PiS+k+blQMsRFr4QTlUZRrDNtc5Dq0i5vKhESMdUUPsq5qf7nkVcvwJhpitjm4xRKUTO fvswOQXfT70qtzv05D+viNJsImpso9JoqbZmJbfYFs/wHT6Y7yvcvDHXg2PggsEe8jWM GcHiwj3dvdgFtMJoP36pUdM+Y/QLhx63CBGFluD2vrpT3cGzErJEbmo0HHS2+TqoN2bE y87A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b="vYQdrgI/"; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from sourceware.org (server2.sourceware.org. [2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id ce11-20020a170906b24b00b007adadfc97c7si2059891ejb.918.2022.11.30.17.37.49 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Nov 2022 17:37:49 -0800 (PST) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b="vYQdrgI/"; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 02784384F485 for ; Thu, 1 Dec 2022 01:37:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 02784384F485 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1669858631; bh=kGA4zdel3v+2cwI39B2SPsy+b90dvRuUYtRNRT6j4GQ=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=vYQdrgI/RKIrec6OH04lnlNjDQdA0yC72TT3p4M5Z5EDTj3HeoQigbr+xQJgcq4v8 Enwm/5rXvHJ21Sq8k3UCpvXepqda3CDs/uelgvFhaRrr0Q7h/t+g0M1P9VRXB2vJKu /0EUXRwBNYSthwz7n3AQ23FTU50zz8AD8Yi68Bco= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by sourceware.org (Postfix) with ESMTPS id 9D0CE3858C54; Thu, 1 Dec 2022 01:36:27 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 9D0CE3858C54 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2B11VlOg021329; Thu, 1 Dec 2022 01:36:26 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3m6jpfr333-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Dec 2022 01:36:26 +0000 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2B11WBlN022592; Thu, 1 Dec 2022 01:36:25 GMT Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3m6jpfr31n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Dec 2022 01:36:25 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 2B11Zlfb010390; Thu, 1 Dec 2022 01:36:23 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma02fra.de.ibm.com with ESMTP id 3m3ae94ssq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 01 Dec 2022 01:36:23 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 2B11aKbs26608326 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 1 Dec 2022 01:36:20 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 98D6EA405C; Thu, 1 Dec 2022 01:36:20 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C522AA4054; Thu, 1 Dec 2022 01:36:19 +0000 (GMT) Received: from pike.rch.stglabs.ibm.com (unknown [9.5.12.127]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 1 Dec 2022 01:36:19 +0000 (GMT) To: gcc-patches@gcc.gnu.org Cc: segher@kernel.crashing.org, dje.gcc@gmail.com, linkw@gcc.gnu.org, guojiufu@linux.ibm.com Subject: [PATCH 1/3]rs6000: NFC use more readable pattern to clean high 32 bits Date: Thu, 1 Dec 2022 09:36:17 +0800 Message-Id: <20221201013619.196004-1-guojiufu@linux.ibm.com> X-Mailer: git-send-email 2.17.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: t_KuLnU4IKTqOueUCdcmc0dxvmjqwAfZ X-Proofpoint-GUID: nilqQd3CUKkKK_DJOQpEx8-vylEyQFNi X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-30_04,2022-11-30_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 impostorscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 clxscore=1015 mlxscore=0 bulkscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2212010007 X-Spam-Status: No, score=-11.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jiufu Guo via Gcc-patches From: Jiufu Guo Reply-To: Jiufu Guo Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750973723948847078?= X-GMAIL-MSGID: =?utf-8?q?1750973723948847078?= Hi, This patch is just using a more readable pattern for "rldicl x,x,0,32" to clean high 32bits. Old pattern looks like: r118:DI=zero_extend(r120:DI#0) new pattern looks like: r118:DI=r120:DI&0xffffffff Bootstrap and regtest pass on ppc64{,le}. Is this ok for trunk? BR, Jeff (Jiufu) gcc/ChangeLog: * config/rs6000/rs6000.cc (rs6000_emit_set_long_const): Update zero_extend(reg:DI#0) to reg:DI&0xffffffff. --- gcc/config/rs6000/rs6000.cc | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc index eb7ad5e954f..5efe9b22d8b 100644 --- a/gcc/config/rs6000/rs6000.cc +++ b/gcc/config/rs6000/rs6000.cc @@ -10267,10 +10267,7 @@ rs6000_emit_set_long_const (rtx dest, HOST_WIDE_INT c) emit_move_insn (copy_rtx (temp), gen_rtx_IOR (DImode, copy_rtx (temp), GEN_INT (ud1))); - emit_move_insn (dest, - gen_rtx_ZERO_EXTEND (DImode, - gen_lowpart (SImode, - copy_rtx (temp)))); + emit_move_insn (dest, gen_rtx_AND (DImode, temp, GEN_INT (0xffffffff))); } else if (ud1 == ud3 && ud2 == ud4) {