From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by sourceware.org (Postfix) with ESMTPS id 66FC13858CDB for ; Thu, 23 Mar 2023 15:36:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 66FC13858CDB Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linux.ibm.com Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32NEDvg9012681; Thu, 23 Mar 2023 15:36:45 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=W3TiT+Xkn5qb7OVdosKfgFmntNwwtSqtqHs60KlTM2U=; b=LeNZmryeklsvFvVnMjdaxsa+uwWcI5rheQ/5kpdkZK10a/L2AcMDU4dnzq53jKKcQr9m ELfeVXImKFfFpGTHlqVM1zoBqlANM/+5Bb1HZoJ1xbXwOKJ01p9xtqdJj4FQ6jp8qS2s YmaaE+zFP/autavmUf+iOTMKzwiFl9opjnKVhChA+GJ+Nqgub+xrTBA6UMZCw2pdFqjb K3njnfprRRcYKCeeIn2YM0mErlC7z+i/BI06XkGKHwC9cDwC7vNqhFKwZ6NfIwQ9uwJO VRA/HZSPL7A4xNz6cPGFoiGhwvfbFCPe6UbQmv8x2DQD67ggQb3moC2JNIYZ2DjT1639 8Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pgmc2ryuy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Mar 2023 15:36:45 +0000 Received: from m0098410.ppops.net (m0098410.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 32NDiGpR027726; Thu, 23 Mar 2023 15:36:45 GMT Received: from ppma01wdc.us.ibm.com (fd.55.37a9.ip4.static.sl-reverse.com [169.55.85.253]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pgmc2ryu5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Mar 2023 15:36:44 +0000 Received: from pps.filterd (ppma01wdc.us.ibm.com [127.0.0.1]) by ppma01wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 32NCNCYq011208; Thu, 23 Mar 2023 15:36:43 GMT Received: from smtprelay06.wdc07v.mail.ibm.com ([9.208.129.118]) by ppma01wdc.us.ibm.com (PPS) with ESMTPS id 3pd4x76n4a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Mar 2023 15:36:43 +0000 Received: from smtpav02.dal12v.mail.ibm.com (smtpav02.dal12v.mail.ibm.com [10.241.53.101]) by smtprelay06.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 32NFag5e64291108 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Mar 2023 15:36:42 GMT Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 19B8B58060; Thu, 23 Mar 2023 15:36:42 +0000 (GMT) Received: from smtpav02.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EF6015805A; Thu, 23 Mar 2023 15:36:39 +0000 (GMT) Received: from [9.43.99.176] (unknown [9.43.99.176]) by smtpav02.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 23 Mar 2023 15:36:39 +0000 (GMT) Message-ID: Date: Thu, 23 Mar 2023 21:06:38 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH] rtl-optimization: ppc backend generates unnecessary signed extension. Content-Language: en-US To: Jeff Law , gcc-patches Cc: Segher Boessenkool , bergner@linux.ibm.com, Richard Biener References: <4c0b6b4f-bbc1-8dd0-a91c-ffed028b4873@linux.ibm.com> <49b43808-01ca-108c-d8d6-56ec35377415@gmail.com> From: Ajit Agarwal In-Reply-To: <49b43808-01ca-108c-d8d6-56ec35377415@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: hQflVo7iHY0sVCpsPHFRXZ0L-TcvWjRw X-Proofpoint-ORIG-GUID: zGJztVChuRAAf6-rK8Km-md9Z5as0qDM X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-22_21,2023-03-23_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 bulkscore=0 impostorscore=0 mlxscore=0 spamscore=0 malwarescore=0 priorityscore=1501 mlxlogscore=999 phishscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303150002 definitions=main-2303230113 X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,BODY_8BITS,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,NICE_REPLY_A,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 List-Id: On 23/03/23 7:17 pm, Jeff Law wrote: > > > On 3/23/23 04:38, Ajit Agarwal wrote: >> >> Hello All: >> >> This patch removed unnecessary signed extension elimination in ree pass. >> Bootstrapped and regtested on powerpc64-linux-gnu. >> >> >> Thanks & Regards >> Ajit >> >>     rtl-optimization: ppc backend generates unnecessary signed extension. >> >>     Eliminate unnecessary redundant signed extension. >> >>     2023-03-23  Ajit Kumar Agarwal  >> >> gcc/ChangeLog: >> >>     * ree.cc: Modification for  AND opcode support to eliminate >>     unnecessary signed extension. >>     * testsuite/g++.target/powerpc/sext-elim.C: New tests. > Just a note.  I'll look at this once the trunk is open for gcc-14 development.  It's really not appropriate for gcc-13. Thanks Jeff. > > jeff