From patchwork Wed Sep 29 08:32:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: HAO CHEN GUI X-Patchwork-Id: 45544 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id EB4A1385801E for ; Wed, 29 Sep 2021 08:32:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EB4A1385801E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1632904379; bh=kQxJNgtlKCF2YhgxwSEeEdyad9FuI2ZZHoLlzNWzdR4=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=YPPav6BetvRPVlJgoZTr60u+RjOD2cxScfrREjrZaMFzQfBzWwtZms9G5uY/7Qbbo oWUogWTJKzWnah1e30kH4kCOc0soZwo/97ZmEy090ui4/Nab+a30wdYNGcdiWEqTt9 POos7jOB8ATfOAO5fIOaW31PG4Pn+iaysCWkX/uQ= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by sourceware.org (Postfix) with ESMTPS id 2941F3858D35 for ; Wed, 29 Sep 2021 08:32:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2941F3858D35 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18T7gUfN022736; Wed, 29 Sep 2021 04:32:28 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0b-001b2d01.pphosted.com with ESMTP id 3bckyv92pv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Sep 2021 04:32:28 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 18T8Vwfo002691; Wed, 29 Sep 2021 08:32:26 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma03ams.nl.ibm.com with ESMTP id 3b9uda5h8q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Sep 2021 08:32:26 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 18T8WMT741943402 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 29 Sep 2021 08:32:22 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7E15CA4067; Wed, 29 Sep 2021 08:32:22 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6E1E6A4065; Wed, 29 Sep 2021 08:32:21 +0000 (GMT) Received: from [9.200.100.251] (unknown [9.200.100.251]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 29 Sep 2021 08:32:21 +0000 (GMT) To: gcc-patches Subject: [PATCH, rs6000] punish reload of lfiwzx when loading an int variable [PR102169, PR102146] Message-ID: <5d0b68da-7198-5cda-df42-3cb3a168ce89@linux.ibm.com> Date: Wed, 29 Sep 2021 16:32:19 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 8SVRPuYCpGjUVvDB5biWGTIYeMQfffVO X-Proofpoint-GUID: 8SVRPuYCpGjUVvDB5biWGTIYeMQfffVO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.182.1,Aquarius:18.0.790,Hydra:6.0.391,FMLib:17.0.607.475 definitions=2021-09-29_02,2021-09-28_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 suspectscore=0 spamscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 mlxscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109230001 definitions=main-2109290050 X-Spam-Status: No, score=-11.0 required=5.0 tests=BAYES_00, BODY_8BITS, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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: HAO CHEN GUI via Gcc-patches From: HAO CHEN GUI Reply-To: HAO CHEN GUI Cc: Bill Schmidt , Segher Boessenkool Errors-To: gcc-patches-bounces+patchwork=sourceware.org@gcc.gnu.org Sender: "Gcc-patches" Hi,   The patch punishes reload of alternative pair of "d, Z" for movsi_internal1. The reload occurs if 'Z' doesn't match and generates an additional insn. So the memory reload should be punished.   Bootstrapped and tested on powerpc64le-linux with no regressions. Is this okay for trunk? Any recommendations? Thanks a lot. ChangeLog 2021-09-29 Haochen Gui gcc/         * gcc/config/rs6000/rs6000.md (movsi_internal1): disparages         slightly the alternative 'Z' of "lfiwzx" when reload is needed. patch.diff diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index 6bec2bddbde..c961f2df4a7 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -7341,7 +7341,7 @@ (define_insn "*movsi_internal1"            r,          *h,         *h")         (match_operand:SI 1 "input_operand"           "r,          U, -          m,          Z,          Z, +          m,          ^Z,         Z,            r,          d,          v,            I,          L,          eI,         n,            wa,         O,          wM,         wB,