From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by sourceware.org (Postfix) with ESMTPS id 793353858C39 for ; Tue, 28 Nov 2023 07:05:22 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 793353858C39 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 ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 793353858C39 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=148.163.158.5 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1701155123; cv=none; b=EjNvZWHzD+gYSBMEftNA5nKoa9U0QBCOSUyjt1O1dZsnjuQTXepW6sKgpDEdVxD0uhCPsmr58VFK/CI9SVbrIDMFg3kKHWG8YmO9z3TcvxRBmaVVWZIRWlhuIYDhfudsjUVGzTSmBLoSnWyPNzEpzSROOW9RWslIZKOR8SpFYCw= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1701155123; c=relaxed/simple; bh=GJ0XNrBbIBs3EJ+UsEGAOkLnYk6MspmrmM2LqCW1POc=; h=DKIM-Signature:Date:From:To:Subject:Message-ID:MIME-Version; b=E7gwjotxAbJbhIRAMsJAPrIWhhcDx2eHxGTwW5XNDluu1Cy1F25QDeR18dHkBjF8Vyvfookqmm1IpkJ90g9nYF2yPCNyfsm44W9LJQh6yzhXUl3oEKJTBkPNjkapormlHFyzH/raPBBBQTipJ6ZpiKeCBLDTKhDMU+GglmxKkjc= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from pps.filterd (m0353722.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AS5vnrr029432; Tue, 28 Nov 2023 07:05:22 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=pp1; bh=DipB6fxOaCxmIIZ7JHfpWP00ntZzxJmvqi1lR0X5C3k=; b=bDQLTqMvCwH+Z6q0gnRbLDQQeYUSn53ST33SaeGhkS6Y9RzNd14y/c28wA+d5j+qGQ9c 6d98Y4lq41fkVHjYn6gLAV1PnVjmQClIwJYmX1FzUZ6/lBDxSB78woF4e/smKcR3QbVc dh3bd1sspDqIL/r/YjVNIOUI3ZGp0ZF6nAN+4O4aasarAHIQafdWb0pRN4DsNtPwxIk0 32r39k0a+ZCArZ1DOLTZptQ/28O0RCqV88OFhs5ZAoqOb6MrzX3bbLAmQbs1uQN5CPR9 VL4gfICX97qh2L5SpRE3C29/5X9f6J0nglzr1YeTdNzIKSb1uO9ndXlbiJin5iH6AbFI HQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3unah2hvwu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Nov 2023 07:05:21 +0000 Received: from m0353722.ppops.net (m0353722.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3AS6QA6m021825; Tue, 28 Nov 2023 07:05:21 GMT Received: from ppma21.wdc07v.mail.ibm.com (5b.69.3da9.ip4.static.sl-reverse.com [169.61.105.91]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3unah2hvvx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Nov 2023 07:05:21 +0000 Received: from pps.filterd (ppma21.wdc07v.mail.ibm.com [127.0.0.1]) by ppma21.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3AS44agF028290; Tue, 28 Nov 2023 07:05:20 GMT Received: from smtprelay02.dal12v.mail.ibm.com ([172.16.1.4]) by ppma21.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3ukv8ne0s7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Nov 2023 07:05:20 +0000 Received: from smtpav02.wdc07v.mail.ibm.com (smtpav02.wdc07v.mail.ibm.com [10.39.53.229]) by smtprelay02.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3AS75INq23527758 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 28 Nov 2023 07:05:19 GMT Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC28D5805F; Tue, 28 Nov 2023 07:05:18 +0000 (GMT) Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2B0E35805B; Tue, 28 Nov 2023 07:05:18 +0000 (GMT) Received: from cowardly-lion.the-meissners.org (unknown [9.61.83.136]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTPS; Tue, 28 Nov 2023 07:05:18 +0000 (GMT) Date: Tue, 28 Nov 2023 02:05:16 -0500 From: Michael Meissner To: Ajit Agarwal Cc: gcc-patches , Segher Boessenkool , Peter Bergner , "Kewen.Lin" , David Edelsohn Subject: Re: [PATCH v2] rs6000: Add new pass for replacement of contiguous addresses vector load lxv with lxvp Message-ID: Mail-Followup-To: Michael Meissner , Ajit Agarwal , gcc-patches , Segher Boessenkool , Peter Bergner , "Kewen.Lin" , David Edelsohn References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-GUID: a1dB0Zn7tzps7qs72vHUsn1hGWV-YXcw X-Proofpoint-ORIG-GUID: ZzQvSL_H2Y8f2oVjXql7R_YnJu3S_-6V X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-28_05,2023-11-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 suspectscore=0 impostorscore=0 mlxlogscore=636 spamscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311280053 X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE 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: I tried using this patch to compare with the vector size attribute patch I posted. I could not build it as a cross compiler on my x86_64 because the assembler gives the following error: Error: operand out of domain (11 is not a multiple of 2) for std_stacktrace-elf.o. If you look at the assembler, it has combined a lxvp 11 and lxvp 12 into: lxvp 11,0(9) The powerpc architecture requires that registers that are loaded with load vector pair and stored with store vector point instructions only load/store even/odd register pairs, and not odd/even pairs. Unfortunately, it will mean that this optimization will match less often. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: meissner@linux.ibm.com