From patchwork Wed Feb 20 07:52:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 221981 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 97BF92C007C for ; Wed, 20 Feb 2013 19:02:01 +1100 (EST) Received: from localhost ([::1]:50234 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84cp-0003Hr-Sk for incoming@patchwork.ozlabs.org; Wed, 20 Feb 2013 03:01:59 -0500 Received: from eggs.gnu.org ([208.118.235.92]:43957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Ua-0001mp-8e for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U84UX-0002JQ-5h for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:28 -0500 Received: from mail-da0-f46.google.com ([209.85.210.46]:38699) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84UW-0002JE-VZ for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:25 -0500 Received: by mail-da0-f46.google.com with SMTP id p5so3415777dak.5 for ; Tue, 19 Feb 2013 23:53:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=ZKcGn5EiygIVCFMawiBvYLe4/pvoxP49Poh3EHGJAME=; b=oyEB315Xki+DH4tfdAftQdmQHaRNNawMdBwiNw8UrUH8+6yBKIxyxH6/re2MZhIedp w0lNEMSBTGbjPBMY11skocgpGYmJ37MxryVOldqD9MR39XGWjYzTSsC2qkOwADPV/cDV TSgGQgIDJlJGdaY+JYzTnLctdqZDLXWG59mgJYGx156p/uqLi6ORUhob5Fmiwcdg03W5 njHO++R19uIQATuKr90WhnqvOjaYqOX2gaKwHQ9cmEq4wbbyU8oEL+xG2BZ077mGiAmx U5TogeuRcRCj/7r3nLQSkpbWlg85MJtOLZx42Tlw5uWaLCMGjr2/TpED5nikJSWfJKXq XbsQ== X-Received: by 10.66.166.43 with SMTP id zd11mr23836706pab.5.1361346804190; Tue, 19 Feb 2013 23:53:24 -0800 (PST) Received: from anchor.twiddle.net (50-194-63-110-static.hfc.comcastbusiness.net. [50.194.63.110]) by mx.google.com with ESMTPS id c8sm20826347pbq.10.2013.02.19.23.53.22 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 19 Feb 2013 23:53:23 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 19 Feb 2013 23:52:16 -0800 Message-Id: <1361346746-8511-29-git-send-email-rth@twiddle.net> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1361346746-8511-1-git-send-email-rth@twiddle.net> References: <1361346746-8511-1-git-send-email-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 209.85.210.46 Cc: blauwirbel@gmail.com, Alexander Graf , aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 28/38] target-ppc: Compute addition carry with setcond 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 Cc: Alexander Graf Signed-off-by: Richard Henderson --- target-ppc/translate.c | 42 ++++++++++++++++-------------------------- 1 file changed, 16 insertions(+), 26 deletions(-) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 116cf12..fce261b 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -768,36 +768,26 @@ static inline void gen_op_arith_compute_ov(DisasContext *ctx, TCGv arg0, static inline void gen_op_arith_compute_ca(DisasContext *ctx, TCGv arg1, TCGv arg2, int sub) { - int l1 = gen_new_label(); + TCGv t0 = tcg_temp_new(), t1 = arg1, t2 = arg2; #if defined(TARGET_PPC64) if (!(ctx->sf_mode)) { - TCGv t0, t1; - t0 = tcg_temp_new(); - t1 = tcg_temp_new(); - - tcg_gen_ext32u_tl(t0, arg1); - tcg_gen_ext32u_tl(t1, arg2); - if (sub) { - tcg_gen_brcond_tl(TCG_COND_GTU, t0, t1, l1); - } else { - tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); - } - tcg_gen_movi_tl(cpu_ca, 1); - gen_set_label(l1); - tcg_temp_free(t0); - tcg_temp_free(t1); - } else + t1 = t0; + tcg_gen_ext32u_tl(t1, arg1); + t2 = tcg_temp_new(); + tcg_gen_ext32u_tl(t2, arg2); + } #endif - { - if (sub) { - tcg_gen_brcond_tl(TCG_COND_GTU, arg1, arg2, l1); - } else { - tcg_gen_brcond_tl(TCG_COND_GEU, arg1, arg2, l1); - } - tcg_gen_movi_tl(cpu_ca, 1); - gen_set_label(l1); + + tcg_gen_setcond_tl(sub ? TCG_COND_LEU : TCG_COND_LTU, t0, t1, t2); + tcg_gen_or_tl(cpu_ca, cpu_ca, t0); + + tcg_temp_free(t0); +#if defined(TARGET_PPC64) + if (!(ctx->sf_mode)) { + tcg_temp_free(t2); } +#endif } /* Common add function */ @@ -811,7 +801,7 @@ static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, (!TCGV_EQUAL(ret,arg1) && !TCGV_EQUAL(ret, arg2))) { t0 = ret; } else { - t0 = tcg_temp_local_new(); + t0 = tcg_temp_new(); } if (add_ca) {