From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB643C25B74 for ; Sun, 2 Jun 2024 09:20:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sDhNo-00033F-4H; Sun, 02 Jun 2024 05:20:08 -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 1sDhNl-00032f-40 for qemu-devel@nongnu.org; Sun, 02 Jun 2024 05:20:05 -0400 Received: from mgamail.intel.com ([198.175.65.18]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sDhNh-0002uT-VT for qemu-devel@nongnu.org; Sun, 02 Jun 2024 05:20:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717320003; x=1748856003; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=fW383pLjyCJvD02Cq1EUiV6N6j0N9Gpj4+DqJab154g=; b=eJZ3QBcdeUXPwmZxxH12dUU9IIV86zxhqSWIAECKkuf0WxZZ4X51JXWQ fuBiGiFNCcXGkYUdH5h8CEX0HoZHFx2S5YQI5IsQ7a6eVCvGmk8CJIjca WEkzjisPSxEwgPcXAeSOYp3jEm7I/RfM0tY/4iPKDKg2CuYYbqmV48Vq8 GB0L2CdhnQnOPZj1iIeYO1VpXRCTK7q3RGv0GYYirc34NvH7ZtlLdeZgR ZaEWC5YJkA4xjWzAnVjfUn/ooaW8aWM6JtAR5nP7ldYZO1YbwXXtO1Ozn NrK49tkb2dBCWzdrmq4vhCL59Rc+Rcg+kmCXdkKY6kMrBDPEl9UO20c7c A==; X-CSE-ConnectionGUID: THH97Vi/RHWPptWSXorU5w== X-CSE-MsgGUID: 3uCWvIuUTWCB85rSVwhrUA== X-IronPort-AV: E=McAfee;i="6600,9927,11090"; a="13985900" X-IronPort-AV: E=Sophos;i="6.08,209,1712646000"; d="scan'208";a="13985900" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jun 2024 02:20:00 -0700 X-CSE-ConnectionGUID: iR84i3qlQki/5p48YgXW1w== X-CSE-MsgGUID: JsBvGRPyTb+Bas8u3S4XKA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,209,1712646000"; d="scan'208";a="36684219" Received: from liuzhao-optiplex-7080.sh.intel.com (HELO localhost) ([10.239.160.36]) by orviesa009.jf.intel.com with ESMTP; 02 Jun 2024 02:19:59 -0700 Date: Sun, 2 Jun 2024 17:35:23 +0800 From: Zhao Liu To: Paolo Bonzini Cc: qemu-devel@nongnu.org Subject: Re: [PATCH 6/6] host/i386: assume presence of POPCNT Message-ID: References: <20240531091457.42200-1-pbonzini@redhat.com> <20240531091457.42200-7-pbonzini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240531091457.42200-7-pbonzini@redhat.com> Received-SPF: pass client-ip=198.175.65.18; envelope-from=zhao1.liu@intel.com; helo=mgamail.intel.com X-Spam_score_int: -44 X-Spam_score: -4.5 X-Spam_bar: ---- X-Spam_report: (-4.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.041, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Fri, May 31, 2024 at 11:14:57AM +0200, Paolo Bonzini wrote: > Date: Fri, 31 May 2024 11:14:57 +0200 > From: Paolo Bonzini > Subject: [PATCH 6/6] host/i386: assume presence of POPCNT > X-Mailer: git-send-email 2.45.1 > > QEMU now requires an x86-64-v2 host, which has the POPCNT instruction. > Use it freely in TCG-generated code. > > Signed-off-by: Paolo Bonzini > --- > host/include/i386/host/cpuinfo.h | 1 - > tcg/i386/tcg-target.h | 5 ++--- > util/cpuinfo-i386.c | 1 - > 3 files changed, 2 insertions(+), 5 deletions(-) Reviewed-by: Zhao Liu