From patchwork Mon Sep 5 23:55:29 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 113456 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0E071B6F7D for ; Tue, 6 Sep 2011 10:49:09 +1000 (EST) Received: from localhost ([::1]:45428 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R0j1v-0004DA-7w for incoming@patchwork.ozlabs.org; Mon, 05 Sep 2011 19:56:43 -0400 Received: from eggs.gnu.org ([140.186.70.92]:36834) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R0j1I-00036R-Fw for qemu-devel@nongnu.org; Mon, 05 Sep 2011 19:56:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1R0j1C-0003Gm-Em for qemu-devel@nongnu.org; Mon, 05 Sep 2011 19:56:03 -0400 Received: from [188.134.19.124] (port=53291 helo=octofox.metropolis) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1R0j1B-0003GI-Tg for qemu-devel@nongnu.org; Mon, 05 Sep 2011 19:55:58 -0400 Received: from octofox.metropolis (localhost [127.0.0.1]) by octofox.metropolis (8.14.5/8.14.5) with ESMTP id p85Nu7kF023032; Tue, 6 Sep 2011 03:56:07 +0400 Received: (from jcmvbkbc@localhost) by octofox.metropolis (8.14.5/8.14.5/Submit) id p85Nu7SJ023031; Tue, 6 Sep 2011 03:56:07 +0400 From: Max Filippov To: qemu-devel@nongnu.org Date: Tue, 6 Sep 2011 03:55:29 +0400 Message-Id: <1315266957-22979-6-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.6 In-Reply-To: <1315266957-22979-1-git-send-email-jcmvbkbc@gmail.com> References: <1315266957-22979-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 188.134.19.124 Cc: jcmvbkbc@gmail.com Subject: [Qemu-devel] [PATCH v5 05/33] target-xtensa: implement RT0 group 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 NEG and ABS are the only members of RT0 group. Signed-off-by: Max Filippov --- target-xtensa/translate.c | 19 +++++++++++++++++++ 1 files changed, 19 insertions(+), 0 deletions(-) diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 4dfca2b..92547d2 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -255,6 +255,25 @@ static void disas_xtensa_insn(DisasContext *dc) break; case 6: /*RT0*/ + switch (RRR_S) { + case 0: /*NEG*/ + tcg_gen_neg_i32(cpu_R[RRR_R], cpu_R[RRR_T]); + break; + + case 1: /*ABS*/ + { + int label = gen_new_label(); + tcg_gen_mov_i32(cpu_R[RRR_R], cpu_R[RRR_T]); + tcg_gen_brcondi_i32( + TCG_COND_GE, cpu_R[RRR_R], 0, label); + tcg_gen_neg_i32(cpu_R[RRR_R], cpu_R[RRR_T]); + gen_set_label(label); + } + break; + + default: /*reserved*/ + break; + } break; case 7: /*reserved*/