From patchwork Tue May 17 22:32:31 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Filippov X-Patchwork-Id: 96062 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 BD380B6EE6 for ; Wed, 18 May 2011 08:36:39 +1000 (EST) Received: from localhost ([::1]:50897 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMSsX-0002Ss-1K for incoming@patchwork.ozlabs.org; Tue, 17 May 2011 18:36:37 -0400 Received: from eggs.gnu.org ([140.186.70.92]:50457) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMSpT-0005mA-5v for qemu-devel@nongnu.org; Tue, 17 May 2011 18:33:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QMSpS-0000Md-Av for qemu-devel@nongnu.org; Tue, 17 May 2011 18:33:27 -0400 Received: from mail-ey0-f173.google.com ([209.85.215.173]:53774) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QMSpS-0000MT-4M for qemu-devel@nongnu.org; Tue, 17 May 2011 18:33:26 -0400 Received: by eyb6 with SMTP id 6so338540eyb.4 for ; Tue, 17 May 2011 15:33:25 -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=Y5DkQG/3VlNVOgdJ9uWlq7poBpa2McXxnp0cyYZGBcc=; b=De0UsH/VPEQ5iS7PYi/sGRPTqKVNtkPp+IotOqoAs+rRMMudsZ/Pk2ZLRHq1Q2Jw4l HZt17hnGMXzWCNdFgtDyYY2wTT3JohPcBt+GF1zI1FKwMq6pbxn5oMDiri/MiasI+Fry GAJhBoi6tNexNkX7jHuDctxcIT76B5ohgNlIQ= 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=XbihGX9cJnSpBb/CDKWUYxUDXF5zAgyGIt+m0xadCuEv/3nFb34rv8yh26pUN2j9wF jKxJSLz11B4eyAzIW+36undoglILI2gosVBCWucNqomDkMPmD99Zk1gDHz0bYfbb9onF 2Fd1jLe3/t6yNAgI2I6Qz3MfHMPsFRum3SCPI= Received: by 10.213.15.6 with SMTP id i6mr401025eba.148.1305671605300; Tue, 17 May 2011 15:33:25 -0700 (PDT) Received: from octofox.metropolis ([188.134.19.124]) by mx.google.com with ESMTPS id y18sm695186eeh.10.2011.05.17.15.33.23 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 17 May 2011 15:33:24 -0700 (PDT) Received: by octofox.metropolis (sSMTP sendmail emulation); Wed, 18 May 2011 02:33:21 +0400 From: Max Filippov To: qemu-devel@nongnu.org Date: Wed, 18 May 2011 02:32:31 +0400 Message-Id: <1305671572-5899-6-git-send-email-jcmvbkbc@gmail.com> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1305671572-5899-1-git-send-email-jcmvbkbc@gmail.com> References: <1305671572-5899-1-git-send-email-jcmvbkbc@gmail.com> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-Received-From: 209.85.215.173 Cc: Max Filippov Subject: [Qemu-devel] [PATCH 05/26] 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 d27a47c..41ac4f2 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -253,6 +253,25 @@ 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*/