From patchwork Tue May 31 18:39:22 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pranith Kumar X-Patchwork-Id: 9145451 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2E73F60777 for ; Tue, 31 May 2016 18:41:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 222D225D97 for ; Tue, 31 May 2016 18:41:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 147B9281D4; Tue, 31 May 2016 18:41:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B1FE025D97 for ; Tue, 31 May 2016 18:41:12 +0000 (UTC) Received: from localhost ([::1]:37836 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7obH-0003Tx-Q5 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 31 May 2016 14:41:11 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44586) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7oak-0003P7-Hx for qemu-devel@nongnu.org; Tue, 31 May 2016 14:40:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b7oai-0001a5-An for qemu-devel@nongnu.org; Tue, 31 May 2016 14:40:37 -0400 Received: from mail-yw0-x243.google.com ([2607:f8b0:4002:c05::243]:33683) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b7oah-0001Zs-TQ for qemu-devel@nongnu.org; Tue, 31 May 2016 14:40:36 -0400 Received: by mail-yw0-x243.google.com with SMTP id y6so20074063ywe.0 for ; Tue, 31 May 2016 11:40:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=gO/fe319zyR45gQ2MACkX+RobCuF+epos4fY2lXqQz8=; b=i3b+kmJZVwQ1BK3+6wcuPuWlIZQTzS6gYGMKjGalDeSju/b0gqBeK3GH8vFU+MhRLM LJfsuM6bJxvJnW78dxWW/Cg1JRNBEKNVwWUmDUxlvX++0cFvNFd8lj2vR9MtR+CisCAa 9ngzTGFGrJi+44r9/DtXT1+litoDc/NAaQzisSOK6eQG5CMiJii2ZqIKX5yQjA144NRg P94Arlpkl1HkMDzvKCbPLzbFUJGxIT83S9UThcDvbTiqZgjSATqdIbxrr1qiye7mZBJd JK5+J3G8Cu7bxAlhANhr8CwUXSNS47K/aD3RPsZSsNmtqmSqQu3t2dDCdzp2SJpiMXT5 vhGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=gO/fe319zyR45gQ2MACkX+RobCuF+epos4fY2lXqQz8=; b=GH7ULqyVDHi9xPzPSQLC0ych36cWF3199prQ9JjJwjJ573FPHcD8WccbLVmzOPMkam URtzsDltUlBMidUBve+3q8XmzpDPVDzB2BL3gcobeioBTy9b90oS7zOsRAdf6OgnS5hi Lk+vK5QJZ3xetq71Qha9eZeh9BVuPmb60A+x9uonyw+zOX1EPoCDc6d0ekwLrIo3hjl3 JHa18IIo+QOzj3gwuSuW6HmtnP6shhe0Hqu5j6eQCaKcDzPQ8wBTKKfkE/QZ98if4xwr sFSCpzAVO26JgDWj/cZuX7WW9WuB8oj+RChjNjA0On87gYPIt/njTwjLu0TgyGTqkNQ5 EV6Q== X-Gm-Message-State: ALyK8tIV8AKRzWF+tro0aurozZ0CLibQcyK3HniSzZCl9+BOZzFSD/1aPfp6UEtlcX8r5g== X-Received: by 10.129.145.75 with SMTP id i72mr23082703ywg.228.1464720035573; Tue, 31 May 2016 11:40:35 -0700 (PDT) Received: from evgadesktop.attlocal.net (108-232-152-155.lightspeed.tukrga.sbcglobal.net. [108.232.152.155]) by smtp.gmail.com with ESMTPSA id c62sm17150085ywf.12.2016.05.31.11.40.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 31 May 2016 11:40:35 -0700 (PDT) From: Pranith Kumar To: "Vassili Karpov (malc)" , Richard Henderson , qemu-devel@nongnu.org (open list:All patches CC here) Date: Tue, 31 May 2016 14:39:22 -0400 Message-Id: <20160531183928.29406-8-bobby.prani@gmail.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20160531183928.29406-1-bobby.prani@gmail.com> References: <20160531183928.29406-1-bobby.prani@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:4002:c05::243 Subject: [Qemu-devel] [RFC v2 PATCH 07/13] tcg/ppc: Add support for fence X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: serge.fdrv@linaro.org, alex.bennee@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Richard Henderson Signed-off-by: Pranith Kumar --- tcg/ppc/tcg-target.inc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 1039407..45a667f 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -469,6 +469,9 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define STHX XO31(407) #define STWX XO31(151) +#define HWSYNC XO31(598) +#define LWSYNC (HWSYNC | (1u << 21)) + #define SPR(a, b) ((((a)<<5)|(b))<<11) #define LR SPR(8, 0) #define CTR SPR(9, 0) @@ -2425,6 +2428,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args, tcg_out32(s, MULHD | TAB(args[0], args[1], args[2])); break; + case INDEX_op_mb: + /* ??? Do we want SEQ_CST or ACQ_REL memory model. */ + tcg_out32(s, HWSYNC); + break; case INDEX_op_mov_i32: /* Always emitted via tcg_out_mov. */ case INDEX_op_mov_i64: case INDEX_op_movi_i32: /* Always emitted via tcg_out_movi. */ @@ -2572,6 +2579,7 @@ static const TCGTargetOpDef ppc_op_defs[] = { { INDEX_op_qemu_st_i64, { "S", "S", "S", "S" } }, #endif + { INDEX_op_mb, { "r" } }, { -1 }, };