From nobody Sun Nov 24 05:59:25 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1726201005; cv=none; d=zohomail.com; s=zohoarc; b=DbjgWpYRoUabZzYuQsX4eMzvifHYLmGIUeYo1y54Z9kXzdhfW6w0LXElAHjAEFQxGu3Oa1Dv6KA5yZAy6rW0WwBoWsXJa+hhGzEI0Dv2Fz8s9E2n7uw1bpyoCHFM5Mm90bTKaQW+t6ZyrGbHlSvkYky5yx5hZo3Z4oPS70PMFsg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1726201005; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=89QojaLssW9hk2q5hfmc2olaQTMqp5YhEYWbQyUEhWs=; b=RFtsFagN2fRSrbiYYyHjg8axcyKvlZZ5Xned3/10y5s46Uqs/5pqOG8/CrcBwWLcvOgehW9ck/zw62aOzrmA9rAyhyxLcdVkIqf+bx7UPIBrRvgx3cHVc1Fae4N0xkx7wtvwCwMiy0YJbMjwN1nda8Rz0b7extvPQ2qXj2qnZ4s= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1726201005185505.5437238125305; Thu, 12 Sep 2024 21:16:45 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1soxh6-0001f2-Tm; Fri, 13 Sep 2024 00:14:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1soxh3-0001PF-Ei; Fri, 13 Sep 2024 00:14:01 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1soxh1-0002Wf-Vl; Fri, 13 Sep 2024 00:14:01 -0400 Received: from pps.filterd (m0353725.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 48CNIn3D018276; Fri, 13 Sep 2024 04:13:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 41gd8kyb1b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Sep 2024 04:13:51 +0000 (GMT) Received: from m0353725.ppops.net (m0353725.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 48D4DoQk008383; Fri, 13 Sep 2024 04:13:50 GMT Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 41gd8kyb19-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Sep 2024 04:13:50 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 48D3dFoI027315; Fri, 13 Sep 2024 04:13:50 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 41h3v3khnb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 13 Sep 2024 04:13:49 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 48D4DmN054460884 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 13 Sep 2024 04:13:48 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3B0E52004D; Fri, 13 Sep 2024 04:13:48 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3EC6120040; Fri, 13 Sep 2024 04:13:47 +0000 (GMT) Received: from ltcrain34-lp1.aus.stglabs.ibm.com (unknown [9.3.101.40]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 13 Sep 2024 04:13:47 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from :to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=pp1; bh=89QojaLssW9hk 2q5hfmc2olaQTMqp5YhEYWbQyUEhWs=; b=k/gMkogi35UvAnTE8UqF/8woFcCIo a1MSdFWkD6TMoDCUZ63l5vIJpfokhzI651oisDIPm5O4XaWw67CxW26Hr5NuU0Pu PNmfGT+NIvXLdR0BDWq/GkFa32wP5ESRJNTbvYvlqKbyakVAKxLOr2Z7eOfSdKoB 573vU9/Fl2L3ofLnBVbMjRAQepghc2QUD3731CkxfNX335NlT8LHTswlzIhE7H1X /UppNOI8j/J87JrpCL+4Afw4COwL4RohEejoPsZ0SiAD7dAuXTZwYuPwQpKDGBkQ YYWM4rNhJr2ShjU93vTvPF2J4xYgneaGQjACESIOJstsbEZrUGfJS9CMA== From: Harsh Prateek Bora To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Cc: npiggin@gmail.com, balaton@eik.bme.hu, danielhb413@gmail.com Subject: [PATCH v3 02/10] target/ppc: optimize hreg_compute_pmu_hflags_value Date: Fri, 13 Sep 2024 09:43:29 +0530 Message-ID: <20240913041337.912876-3-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240913041337.912876-1-harshpb@linux.ibm.com> References: <20240913041337.912876-1-harshpb@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: OwWdWtwee7t7_YwRZuYPsBJwTRSe4VPy X-Proofpoint-ORIG-GUID: JC76Sfc3GGP9YnbiBbpLuk8BylKmFKbw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-13_01,2024-09-12_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 suspectscore=0 clxscore=1015 phishscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 mlxscore=0 mlxlogscore=322 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2408220000 definitions=main-2409130028 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=harshpb@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1726201005452116600 Content-Type: text/plain; charset="utf-8" Cache env->spr[SPR_POWER_MMCR0] in a local variable as used in multiple conditions to avoid multiple indirect accesses. Signed-off-by: Harsh Prateek Bora Reviewed-by: Nicholas Piggin --- target/ppc/helper_regs.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/target/ppc/helper_regs.c b/target/ppc/helper_regs.c index fe543ab3b8..7b23e5ef0e 100644 --- a/target/ppc/helper_regs.c +++ b/target/ppc/helper_regs.c @@ -83,15 +83,16 @@ static bool hreg_check_bhrb_enable(CPUPPCState *env) static uint32_t hreg_compute_pmu_hflags_value(CPUPPCState *env) { uint32_t hflags =3D 0; - #if defined(TARGET_PPC64) - if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCC0) { + target_ulong mmcr0 =3D env->spr[SPR_POWER_MMCR0]; + + if (mmcr0 & MMCR0_PMCC0) { hflags |=3D 1 << HFLAGS_PMCC0; } - if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCC1) { + if (mmcr0 & MMCR0_PMCC1) { hflags |=3D 1 << HFLAGS_PMCC1; } - if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCjCE) { + if (mmcr0 & MMCR0_PMCjCE) { hflags |=3D 1 << HFLAGS_PMCJCE; } if (hreg_check_bhrb_enable(env)) { --=20 2.45.2