From patchwork Sun Aug 9 20:13:39 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 505468 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id BEFCF140321 for ; Mon, 10 Aug 2015 06:24:21 +1000 (AEST) Received: from localhost ([::1]:56202 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZOX8l-0003KE-Mb for incoming@patchwork.ozlabs.org; Sun, 09 Aug 2015 16:24:19 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52242) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZOWz4-0000bM-8A for qemu-devel@nongnu.org; Sun, 09 Aug 2015 16:14:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZOWz3-0005RZ-4Z for qemu-devel@nongnu.org; Sun, 09 Aug 2015 16:14:18 -0400 Received: from smtp4-g21.free.fr ([212.27.42.4]:40769) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZOWz2-0005Oq-VB for qemu-devel@nongnu.org; Sun, 09 Aug 2015 16:14:17 -0400 Received: from Quad.localdomain (unknown [78.238.229.36]) by smtp4-g21.free.fr (Postfix) with ESMTPS id 781454C8027; Sun, 9 Aug 2015 22:14:16 +0200 (CEST) From: Laurent Vivier To: qemu-devel@nongnu.org Date: Sun, 9 Aug 2015 22:13:39 +0200 Message-Id: <1439151229-27747-21-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1439151229-27747-1-git-send-email-laurent@vivier.eu> References: <1439151229-27747-1-git-send-email-laurent@vivier.eu> X-detected-operating-system: by eggs.gnu.org: Windows NT kernel [generic] [fuzzy] X-Received-From: 212.27.42.4 Cc: peter.maydell@linaro.org, peter.crosthwaite@xilinx.com, Andreas Schwab , Laurent Vivier , gerg@uclinux.org Subject: [Qemu-devel] [PATCH for-2.5 20/30] m68k: add exg X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Laurent Vivier --- target-m68k/translate.c | 34 +++++++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/target-m68k/translate.c b/target-m68k/translate.c index adf4521..b7d15e9 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -2035,10 +2035,42 @@ DISAS_INSN(and) TCGv dest; TCGv addr; int opsize; + int exg_mode; + dest = tcg_temp_new(); + + /* exg */ + + exg_mode = insn & 0x1f8; + if (exg_mode == 0x140) { + /* exchange Dx and Dy */ + src = DREG(insn, 9); + reg = DREG(insn, 0); + tcg_gen_mov_i32(dest, src); + tcg_gen_mov_i32(src, reg); + tcg_gen_mov_i32(reg, dest); + return; + } else if (exg_mode == 0x148) { + /* exchange Ax and Ay */ + src = AREG(insn, 9); + reg = AREG(insn, 0); + tcg_gen_mov_i32(dest, src); + tcg_gen_mov_i32(src, reg); + tcg_gen_mov_i32(reg, dest); + return; + } else if (exg_mode == 0x188) { + /* exchange Dx and Ay */ + src = DREG(insn, 9); + reg = AREG(insn, 0); + tcg_gen_mov_i32(dest, src); + tcg_gen_mov_i32(src, reg); + tcg_gen_mov_i32(reg, dest); + return; + } + /* and */ opsize = insn_opsize(insn, 6); reg = DREG(insn, 9); - dest = tcg_temp_new(); + if (insn & 0x100) { SRC_EA(env, src, opsize, -1, &addr); tcg_gen_and_i32(dest, src, reg);