From patchwork Wed Feb 20 07:52:00 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 222061 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 046C12C007B for ; Wed, 20 Feb 2013 22:34:51 +1100 (EST) Received: from localhost ([::1]:48261 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Ue-0001mz-W3 for incoming@patchwork.ozlabs.org; Wed, 20 Feb 2013 02:53:32 -0500 Received: from eggs.gnu.org ([208.118.235.92]:43745) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84U7-0000pG-9m for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U84U3-0002CO-5u for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:52:59 -0500 Received: from mail-pb0-f49.google.com ([209.85.160.49]:61910) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84U3-0002CE-0R for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:52:55 -0500 Received: by mail-pb0-f49.google.com with SMTP id xa12so2714720pbc.22 for ; Tue, 19 Feb 2013 23:52:54 -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=pXaOGEsHtFBdZ1JocwiST4BTCOyzpdgtPy6imishZuc=; b=x40MQA2ogIm6yQZYm9cQY3gvJrYERrS7gCaOFQV1bSlayoyyfUvnGDGevDISQeQb3d hHG6pH0ckghvzYe24nFyYsiXUJ2/UWw4GEVLXCHmk9bZPgUY1ClGvr88SxTxwcpXrPPC T1QnvQ7hJfY1cKA+aOZMCxLi+gRM/meTq30MXT17OPFYNkmbS+ybe4s7Gy/pllYnQOSd U/inyTd0SQTE26l+2M6RVbIUsj3bXj8Y71woSAV/d4O3HckDll+bICcXc4WpnWTStOtH Icptsmh1HQ9ksW635q4LiAvfNP5TojG3qCQ4XzwXdTQp+pjqNpyHtjmI7zz+IIOe2i8u MxOA== X-Received: by 10.68.31.73 with SMTP id y9mr47457278pbh.102.1361346774265; Tue, 19 Feb 2013 23:52:54 -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.10.2013.02.19.23.52.52 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 19 Feb 2013 23:52:53 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 19 Feb 2013 23:52:00 -0800 Message-Id: <1361346746-8511-13-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: 209.85.160.49 Cc: blauwirbel@gmail.com, aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 12/38] target-i386: Use add2 to implement the ADX extension 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 Signed-off-by: Richard Henderson --- target-i386/translate.c | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/target-i386/translate.c b/target-i386/translate.c index 1545e3f..3b92f3b 100644 --- a/target-i386/translate.c +++ b/target-i386/translate.c @@ -4169,7 +4169,7 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b, if (!(s->cpuid_7_0_ebx_features & CPUID_7_0_EBX_ADX)) { goto illegal_op; } else { - TCGv carry_in, carry_out; + TCGv carry_in, carry_out, zero; int end_op; ot = (s->dflag == 2 ? OT_QUAD : OT_LONG); @@ -4229,18 +4229,16 @@ static void gen_sse(CPUX86State *env, DisasContext *s, int b, #endif default: /* Otherwise compute the carry-out in two steps. */ - tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_regs[reg]); - tcg_gen_setcond_tl(TCG_COND_LTU, cpu_tmp4, - cpu_T[0], cpu_regs[reg]); - tcg_gen_add_tl(cpu_regs[reg], cpu_T[0], carry_in); - tcg_gen_setcond_tl(TCG_COND_LTU, carry_out, - cpu_regs[reg], cpu_T[0]); - tcg_gen_or_tl(carry_out, carry_out, cpu_tmp4); + zero = tcg_const_tl(0); + tcg_gen_add2_tl(cpu_T[0], carry_out, + cpu_T[0], zero, + carry_in, zero); + tcg_gen_add2_tl(cpu_regs[reg], carry_out, + cpu_regs[reg], carry_out, + cpu_T[0], zero); + tcg_temp_free(zero); break; } - /* We began with all flags computed to CC_SRC, and we - have now placed the carry-out in CC_DST. All that - is left is to record the CC_OP. */ set_cc_op(s, end_op); } break;