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Thu, 27 Oct 2016 00:43:37 +0000 (UTC) Received: from localhost ([::1]:38211 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzYnA-0001Gs-Lu for patchwork-qemu-devel@patchwork.kernel.org; Wed, 26 Oct 2016 20:43:36 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57231) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzYma-0001FA-TM for qemu-devel@nongnu.org; Wed, 26 Oct 2016 20:43:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bzYma-0000xF-5E for qemu-devel@nongnu.org; Wed, 26 Oct 2016 20:43:00 -0400 Received: from mout.kundenserver.de ([212.227.126.135]:61093) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1bzYmZ-0000wJ-SR for qemu-devel@nongnu.org; Wed, 26 Oct 2016 20:43:00 -0400 Received: from Quad.localdomain ([78.238.229.36]) by mrelayeu.kundenserver.de (mreue005) with ESMTPSA (Nemesis) id 0MC5PI-1c8OSr0mYa-008uRk; Thu, 27 Oct 2016 02:42:37 +0200 From: Laurent Vivier To: qemu-devel@nongnu.org Date: Thu, 27 Oct 2016 02:42:18 +0200 Message-Id: <1477528950-8115-6-git-send-email-laurent@vivier.eu> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1477528950-8115-1-git-send-email-laurent@vivier.eu> References: <1477528950-8115-1-git-send-email-laurent@vivier.eu> X-Provags-ID: V03:K0:wQHdkCsxKHDjyhSf8F5vcP1FyTzAW58LTnWlt6Q3BtKyShcgRTq a8BxOvVOHyFAigLMsQXFE38ww5dUrZ55m9QsbIalFLs2BbwKG72qQJgZ3EfnRsdIlmRqgq4 VD6ysI6Vn1oxmhOwhpY0YA0yHLFpkD50L1PaFal833/CykCD5DTsNeLH7gZbgSljAA2ccsX uip625yUgALfntXJwgH5g== X-UI-Out-Filterresults: notjunk:1; V01:K0:okJfxcE4q8A=:iwa/BSi6FOljMqpAtyZRU6 DFInF/NVdBxSpDComEYsvKzHkq9uEJOmlVmwwkNpRxm3PIedNCmxXPVtBw7y0g4eB48O6Z5hA S4KXtg9/decnBVEHOpKp4q2rGUvLd8Cj9jSMDUao4xT4H6EDzDCa0IRL1XM5IuApJdtDxARod biABYbR1axNrQpFuNzCKsckePCIIzyieeZeDzNUSx6J0uvu2KJK0biNrTmilsnS6dNUbZP6u+ mDx8C2ugS2efoiipOQYJUlvP/STjIlFQ9OwHhETLtfTdF+nJBCXTMFVF3Dwn/2ZNCBFToVXje ufK1wMzlSgqvw7PPv9VqAojl+/shIZ60lXxJpo9SrRqQTm9K+rNcMO87LY6cKXbRo4EXv9KE1 OTef4SK3hJhzdp5uvk52NEdkFRltwAXvq8HiF5lldjebWv9olVTDanBDzcfOLCbIRKLDA6a2U 5HNqkzth4avekxBGk4CC/jBEwEwe1kSSszWd6sTkZBd7epcU+nC5bPfaJztgwBdbEYkYCabPi 7oL8wFkrV0adFcqZWHhkqqzPWjIu+FZMiSZn5YkFk1q87oDc3cpZkdhw1WsaXLIQe7zarrWTY McgwpSFdoWoqc1+TfY3ivIDkIzdTCO7qxOngtIa5yl0OcW7Gw711iO8qq222RlbOi0Qoxz4va YqmDb0rrMUwKgvf4qrrwY9ECYYJRt8IOSRH7FG0Di+WhsFdjJkomZjomdHwGi5brWld0= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.227.126.135 Subject: [Qemu-devel] [PATCH v2 05/17] target-m68k: add dbcc 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: Laurent Vivier , gerg@uclinux.org, schwab@linux-m68k.org, agraf@suse.de, Richard Henderson 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: Laurent Vivier Reviewed-by: Richard Henderson --- target-m68k/translate.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/target-m68k/translate.c b/target-m68k/translate.c index e595673..1836a22 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -1105,6 +1105,30 @@ DISAS_INSN(scc) tcg_temp_free(tmp); } +DISAS_INSN(dbcc) +{ + TCGLabel *l1; + TCGv reg; + TCGv tmp; + int16_t offset; + uint32_t base; + + reg = DREG(insn, 0); + base = s->pc; + offset = (int16_t)read_im16(env, s); + l1 = gen_new_label(); + gen_jmpcc(s, (insn >> 8) & 0xf, l1); + + tmp = tcg_temp_new(); + tcg_gen_ext16s_i32(tmp, reg); + tcg_gen_addi_i32(tmp, tmp, -1); + gen_partset_reg(OS_WORD, reg, tmp); + tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, -1, l1); + gen_jmp_tb(s, 1, base + offset); + gen_set_label(l1); + gen_jmp_tb(s, 0, s->pc); +} + DISAS_INSN(undef_mac) { gen_exception(s, s->pc - 2, EXCP_LINEA); @@ -3137,6 +3161,7 @@ void register_m68k_insns (CPUM68KState *env) INSN(addsubq, 5080, f0c0, M68000); INSN(scc, 50c0, f0f8, CF_ISA_A); /* Scc.B Dx */ INSN(scc, 50c0, f0c0, M68000); /* Scc.B */ + INSN(dbcc, 50c8, f0f8, M68000); INSN(addsubq, 5080, f1c0, CF_ISA_A); INSN(tpf, 51f8, fff8, CF_ISA_A);