From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: Laurent Vivier Date: Sun, 9 Aug 2015 22:13:39 +0200 Message-Id: <1439151229-27747-21-git-send-email-laurent@vivier.eu> In-Reply-To: <1439151229-27747-1-git-send-email-laurent@vivier.eu> References: <1439151229-27747-1-git-send-email-laurent@vivier.eu> Subject: [Qemu-devel] [PATCH for-2.5 20/30] m68k: add exg List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, peter.crosthwaite@xilinx.com, Andreas Schwab , Laurent Vivier , gerg@uclinux.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); -- 2.4.3