From patchwork Wed May 4 00:59:05 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 93937 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 E135CB6F54 for ; Wed, 4 May 2011 11:00:45 +1000 (EST) Received: from localhost ([::1]:50380 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHQSJ-0004Ep-AI for incoming@patchwork.ozlabs.org; Tue, 03 May 2011 21:00:43 -0400 Received: from eggs.gnu.org ([140.186.70.92]:52932) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHQRl-00048G-6s for qemu-devel@nongnu.org; Tue, 03 May 2011 21:00:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QHQRk-0000iQ-Cz for qemu-devel@nongnu.org; Tue, 03 May 2011 21:00:09 -0400 Received: from mail-ew0-f45.google.com ([209.85.215.45]:56465) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHQRk-0000ZL-67 for qemu-devel@nongnu.org; Tue, 03 May 2011 21:00:08 -0400 Received: by mail-ew0-f45.google.com with SMTP id 24so221435ewy.4 for ; Tue, 03 May 2011 18:00:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=3M2kbPEn9y4hehxASaDucAiqgCISiCIy+fTkJ+YMKCo=; b=SkRambP1SaK4l3WdAjPyPenvbM/+YCDZ1K7NKL40BRpyDp55Tu4uvZnyA+99LMEZAT lUx0m6g/9vRg8jc9ncIq+2mYIb8/u39Ck3OfW5i25njR3RAb/M+KQlPJUb2dmUtIT2Vm +brNzHVP/Hnxvi+oYhMWMpV/cuD3Tf2+nPO2A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=cVqbSgJNGmm/q6SCaESg7M0gqoGxlOU0paBj231jfkewWQTyC3FIJuN8Pvmv3ZuzFl ypjbOmn8ZEztQlGzDWE+UgNYGPQ/cFup7jmLEmDDpD1u2c6//6l2mVLIePU6JbAc2GBu Jzp54Yxmsuo8JCer4TQi/3uMOqVy6ELO3igng= Received: by 10.14.146.201 with SMTP id r49mr251624eej.152.1304470807673; Tue, 03 May 2011 18:00:07 -0700 (PDT) Received: from octofox.metropolis ([188.134.19.124]) by mx.google.com with ESMTPS id y15sm433339eeh.27.2011.05.03.18.00.05 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 03 May 2011 18:00:07 -0700 (PDT) Received: by octofox.metropolis (sSMTP sendmail emulation); Wed, 4 May 2011 05:00:05 +0400 From: Max Filippov To: qemu-devel@nongnu.org Date: Wed, 4 May 2011 04:59:05 +0400 Message-Id: <1304470768-16924-5-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1304470768-16924-1-git-send-email-jcmvbkbc@gmail.com> References: <1304470768-16924-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.215.45 Cc: Max Filippov Subject: [Qemu-devel] [RFC 05/28] 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 26fc28b..49f4940 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -174,6 +174,25 @@ 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*/