From nobody Sun Dec 29 19:00:49 2024 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1718888643; cv=none; d=zohomail.com; s=zohoarc; b=Ylt80xoJbWmT2riP4VmfexMbeDUjIg4cBrqQSB8DXx/wTb1nue6SKZnNIIwiF9Sj3jybHR9gJqkvAHD9p9Rl5LzfVvvzg8uph71ymvZ9jeyfkvrX2qHSjttoHWvPl3gw38zNy+RK/52ZmIcM2pjps3/ieoelqbJ/vIaVSvZlXWQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1718888643; h=Content-Type: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=i1Dd/q0yvFV1Rcm+rk+YwoeGVJGUNMen0d4jeqopdXw=; b=nSq283V6vU9iamOZ8UQ8GACYMviQs1PNF83WthonZ3LChsdkXa+sYYUVaPTMour5DfnRG/5pOyjtX8CLBUyuYY89KgJPmlhXI27E4PLTtsxbWbCDQIUf2VnUNpEHF9AMCIbcfeumT+t6/kEA53vuLprdeiKKN7sK6weXAlcuXqs= 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+importer2=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 1718888643698973.8963976247871; Thu, 20 Jun 2024 06:04:03 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sKHRY-0001Qt-5h; Thu, 20 Jun 2024 09:03:12 -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 1sKHRV-0001QF-Q3 for qemu-devel@nongnu.org; Thu, 20 Jun 2024 09:03:09 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sKHRU-0006Wk-1S for qemu-devel@nongnu.org; Thu, 20 Jun 2024 09:03:09 -0400 Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-79-rRws4LMSNFqBVquPjpmL8Q-1; Thu, 20 Jun 2024 09:03:05 -0400 Received: by mail-ej1-f72.google.com with SMTP id a640c23a62f3a-a6efbb08949so36771166b.0 for ; Thu, 20 Jun 2024 06:03:05 -0700 (PDT) Received: from avogadro.local ([151.62.196.71]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a6f56fa415dsm772240266b.220.2024.06.20.06.03.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Jun 2024 06:03:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718888587; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i1Dd/q0yvFV1Rcm+rk+YwoeGVJGUNMen0d4jeqopdXw=; b=QkhEdI6rCHFBYbj8ZcBmgbNzhY+BH2FpZAReDH/nR/8JS45KWXky8cBO65XvCJnO1eXq+O HPql0YLO8Ui16TLSH+eLqkRdSbdztrQ8+VGwnPJgUH2MOCwsm9m/ruC4k7YbwOVmp6htug tf3sMKaS47XinbNw3REY8yHAZGIErAI= X-MC-Unique: rRws4LMSNFqBVquPjpmL8Q-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718888584; x=1719493384; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=i1Dd/q0yvFV1Rcm+rk+YwoeGVJGUNMen0d4jeqopdXw=; b=s3wn/Tn+yq4ok/sKwqjoJPtZupUxzmxJFqKDBFGvnPNZEKNJHBRBCeVgfs7S+2z0fO 390Pu6t4dY1Wa6hBgbNHescyCDc92hUkxFkGl80UiTBMu/qZw+dkrGotcKgd/voxVpkD XHxxM3QXnnsdM4XbmSBV5IxGPgeRCA9Ly42JjOjH8odD6RPiDiFCwSqE86NEEcpYEjQA kuz0Y+aiv4m8OGYYpzLirMBUunDOm63quAQoOXpV6buQqvmaERX+i/+peENhoDjfZlxo IgX2Wu8wE2ejX4mS64A8/9WiLZ29KHni7TgZKKjiM9HKZWVgixbM+oh3HvMy/J7r6ydj nfWw== X-Gm-Message-State: AOJu0YyWL1H4lDEZACXtrtcL7lW7JaXKu2AyDrUbOK8Sf6ielH7YiBsl J1+BHaIA2HnccXjNi2CiiDF5lI5xH1Bs4GLsKPG4cJ1NLPhVdGF0ZzsfMYh6qaepD+xT6eYR6AL yqeGQAqcFLD85BsIzMms3CjV+ZUSHt5ReWOPF7vlmyMOP64CYh/b0Ns3q/X5XPIGRoQ60pEVMEf mVY1sJnC8JOQ+fKrv1JvzeYpaDQmVawsoPfGJ0 X-Received: by 2002:a17:907:d30c:b0:a6f:b1fa:aa24 with SMTP id a640c23a62f3a-a6fb1faaa8dmr371966366b.5.1718888584329; Thu, 20 Jun 2024 06:03:04 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGHRVK/lLtA1fciNUQY7dGRTNR3lwYErop8nKJa0PTh/upPFcXV3U1WntbRveVeG1j0iC0pOA== X-Received: by 2002:a17:907:d30c:b0:a6f:b1fa:aa24 with SMTP id a640c23a62f3a-a6fb1faaa8dmr371963766b.5.1718888583928; Thu, 20 Jun 2024 06:03:03 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , amonakov@ispras.ru Subject: [PATCH 2/6] Revert "host/i386: assume presence of SSSE3" Date: Thu, 20 Jun 2024 15:02:50 +0200 Message-ID: <20240620130254.415699-3-pbonzini@redhat.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240620130254.415699-1-pbonzini@redhat.com> References: <20240620130254.415699-1-pbonzini@redhat.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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.152, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1718888645507100003 Content-Type: text/plain; charset="utf-8" This reverts commit 433cd6d94a8256af70a5200f236dc8047c3c1468. The x86-64 instruction set can now be tuned down to x86-64 v1 or i386 Pentium Pro. Signed-off-by: Paolo Bonzini --- util/cpuinfo-i386.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/util/cpuinfo-i386.c b/util/cpuinfo-i386.c index 6d474a6259a..ca74ef04f54 100644 --- a/util/cpuinfo-i386.c +++ b/util/cpuinfo-i386.c @@ -38,8 +38,8 @@ unsigned __attribute__((constructor)) cpuinfo_init(void) info |=3D (c & bit_POPCNT ? CPUINFO_POPCNT : 0); info |=3D (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0); =20 - /* NOTE: our AES support requires SSSE3 (PSHUFB) as well. */ - info |=3D (c & bit_AES) ? CPUINFO_AES : 0; + /* Our AES support requires PSHUFB as well. */ + info |=3D ((c & bit_AES) && (c & bit_SSSE3) ? CPUINFO_AES : 0); =20 /* For AVX features, we must check available and usable. */ if ((c & bit_AVX) && (c & bit_OSXSAVE)) { --=20 2.45.2