From patchwork Sun May 24 23:37:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 476017 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 0D2B31402B9 for ; Mon, 25 May 2015 09:38:06 +1000 (AEST) Received: from localhost ([::1]:41136 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YwfT0-0003LF-Sz for incoming@patchwork.ozlabs.org; Sun, 24 May 2015 19:38:02 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56842) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YwfSX-0002Rp-Q8 for qemu-devel@nongnu.org; Sun, 24 May 2015 19:37:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YwfSX-0004sr-01 for qemu-devel@nongnu.org; Sun, 24 May 2015 19:37:33 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:101::1]:40581) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YwfSW-0004sT-QH for qemu-devel@nongnu.org; Sun, 24 May 2015 19:37:32 -0400 Received: from weber.rr44.fr ([2001:470:d4ed:0:7e05:7ff:fe0d:f152]) by hall.aurel32.net with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84) (envelope-from ) id 1YwfSV-0006Vl-3Q; Mon, 25 May 2015 01:37:31 +0200 Received: from aurel32 by weber.rr44.fr with local (Exim 4.85) (envelope-from ) id 1YwfSU-0005XY-As; Mon, 25 May 2015 01:37:30 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Mon, 25 May 2015 01:37:13 +0200 Message-Id: <1432510638-21021-4-git-send-email-aurelien@aurel32.net> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432510638-21021-1-git-send-email-aurelien@aurel32.net> References: <1432510638-21021-1-git-send-email-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:bc8:30d7:101::1 Cc: Aurelien Jarno Subject: [Qemu-devel] [PATCH v3 3/8] target-sh4: optimize addc using add2 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: Aurelien Jarno --- target-sh4/translate.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/target-sh4/translate.c b/target-sh4/translate.c index f9bc24c..a7a8f39 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -642,17 +642,15 @@ static void _decode_opc(DisasContext * ctx) return; case 0x300e: /* addc Rm,Rn */ { - TCGv t0, t1; - t0 = tcg_temp_new(); + TCGv t0, t1, t2; + t0 = tcg_const_tl(0); t1 = tcg_temp_new(); - tcg_gen_add_i32(t0, REG(B7_4), REG(B11_8)); - tcg_gen_add_i32(t1, cpu_sr_t, t0); - tcg_gen_setcond_i32(TCG_COND_GTU, cpu_sr_t, REG(B11_8), t0); - tcg_gen_setcond_i32(TCG_COND_GTU, t0, t0, t1); - tcg_gen_or_i32(cpu_sr_t, cpu_sr_t, t0); + t2 = tcg_temp_new(); + tcg_gen_add2_i32(t1, t2, REG(B11_8), t0, REG(B7_4), t0); + tcg_gen_add2_i32(REG(B11_8), cpu_sr_t, t1, t2, cpu_sr_t, t0); tcg_temp_free(t0); - tcg_gen_mov_i32(REG(B11_8), t1); tcg_temp_free(t1); + tcg_temp_free(t2); } return; case 0x300f: /* addv Rm,Rn */