From nobody Sun Feb 8 19:59:45 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.com; 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=none dis=none) header.from=linux.intel.com ARC-Seal: i=1; a=rsa-sha256; t=1670484021; cv=none; d=zohomail.com; s=zohoarc; b=SL0hrkA09h7SUL5JTLxfQO3PCCH1H+RmDjs7I+rEzH0yjeADJx+8XFvS1XytY2sVAYW7fBdetytITmNOLXAWqeUxrlbRfohGuqKCPPUI3vfeW2AOE7EJcK81bgNbTgrinW4moECqgTSBUD/SCQA23jXBW5fHe/XDg5wKkXYE9jU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1670484021; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=54e1pKhH0On8IWR6Cb83FtPqza1UHaYVe1hWh6MqhOo=; b=JhFGH+4Zz82SajdoGg1hU9hDL91VBJk/7FPhE4PyyN2Ao9dy/DM7o9xnlFLdJyxOdJW1c1oF9gE+LeaG3tLiXBQhVLK2Ii5I8rhThu3VYpUh65h/8ckQ3EDvHcfEHmpHCTmbigtwmiDRFE+ccTxnIgtSs1Wr3/tQhF64hMB7X0c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.com; 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16704840214081015.5449065344231; Wed, 7 Dec 2022 23:20:21 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p3BBV-0001dD-Je; Thu, 08 Dec 2022 02:19:09 -0500 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 1p3BBT-0001cM-Nh for qemu-devel@nongnu.org; Thu, 08 Dec 2022 02:19:07 -0500 Received: from mga06b.intel.com ([134.134.136.31] helo=mga06.intel.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p3BBS-0006dF-1l for qemu-devel@nongnu.org; Thu, 08 Dec 2022 02:19:07 -0500 Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2022 23:19:03 -0800 Received: from jiaxichen-precision-3650-tower.sh.intel.com ([10.239.159.75]) by orsmga004.jf.intel.com with ESMTP; 07 Dec 2022 23:19:02 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1670483946; x=1702019946; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MkFFo4rJwEOR9p5BWB5id/CYu+DNnKqymXPoq4ZpBXk=; b=kHiLYfx2ZOhbmo+Dk1OuHMauB98vR0LVFEXT3l/ADG3oBtIOwqrdWU0N Yknwu0+piXdD7V7uGuc37h+o83+XITKjUkkoVfdQx2qzI7ldklV3eKkgw mzLaWCVN3wBF7LWnk1lRwZBsQvuUURI4INCk+4iWyLCnP4u3N8hUR07kJ 3Y6wae53Wzx1eIw69MHYgavHBDWXCA+U+JJWk/RjM3HSv8yBfMKfz3jhT ESIIVixPadMtlYw0yDJ6ja1beiNLhHZMNxX9VcmOmi4fH8zl7SZxPz2eR muh6FKBOASVXuczPSRHjKuxiE8ZWzdf70RwXI80kG9kJUJY15AsXNAWwG A==; X-IronPort-AV: E=McAfee;i="6500,9779,10554"; a="379263805" X-IronPort-AV: E=Sophos;i="5.96,227,1665471600"; d="scan'208";a="379263805" X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10554"; a="771380991" X-IronPort-AV: E=Sophos;i="5.96,227,1665471600"; d="scan'208";a="771380991" From: Jiaxi Chen To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, richard.henderson@linaro.org, yang.zhong@intel.com, jing2.liu@intel.com, vkuznets@redhat.com Subject: [PATCH 3/6] target/i386: Add support for AVX-IFMA in CPUID enumeration Date: Thu, 8 Dec 2022 15:19:14 +0800 Message-Id: <20221208071917.1923093-4-jiaxi.chen@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221208071917.1923093-1-jiaxi.chen@linux.intel.com> References: <20221208071917.1923093-1-jiaxi.chen@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: none client-ip=134.134.136.31; envelope-from=jiaxi.chen@linux.intel.com; helo=mga06.intel.com X-Spam_score_int: -42 X-Spam_score: -4.3 X-Spam_bar: ---- X-Spam_report: (-4.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_NONE=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 @intel.com) X-ZM-MESSAGEID: 1670484021638100002 Content-Type: text/plain; charset="utf-8" AVX-IFMA is a new instruction in the latest Intel platform Sierra Forest. This instruction packed multiplies unsigned 52-bit integers and adds the low/high 52-bit products to Qword Accumulators. The bit definition: CPUID.(EAX=3D7,ECX=3D1):EAX[bit 23] Add CPUID definition for AVX-IFMA. Signed-off-by: Jiaxi Chen --- target/i386/cpu.c | 2 +- target/i386/cpu.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index cd787b3d97..5ba0fc61d2 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -875,7 +875,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] =3D { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, - NULL, "amx-fp16", NULL, NULL, + NULL, "amx-fp16", NULL, "avx-ifma", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }, diff --git a/target/i386/cpu.h b/target/i386/cpu.h index d2e3079dfb..1223f0018b 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -904,6 +904,8 @@ uint64_t x86_cpu_get_supported_feature_word(FeatureWord= w, #define CPUID_7_1_EAX_CMPCCXADD (1U << 7) /* Support Tile Computational Operations on FP16 Numbers */ #define CPUID_7_1_EAX_AMX_FP16 (1U << 21) +/* Support for VPMADD52[H,L]UQ */ +#define CPUID_7_1_EAX_AVX_IFMA (1U << 23) =20 /* XFD Extend Feature Disabled */ #define CPUID_D_1_EAX_XFD (1U << 4) --=20 2.27.0