From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37884) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z0bAn-0002xy-J8 for qemu-devel@nongnu.org; Thu, 04 Jun 2015 15:51:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z0bAm-0005hT-AQ for qemu-devel@nongnu.org; Thu, 04 Jun 2015 15:51:29 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:101::1]:45489) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z0bAm-0005gS-42 for qemu-devel@nongnu.org; Thu, 04 Jun 2015 15:51:28 -0400 From: Aurelien Jarno Date: Thu, 4 Jun 2015 21:51:15 +0200 Message-Id: <1433447480-30848-4-git-send-email-aurelien@aurel32.net> In-Reply-To: <1433447480-30848-1-git-send-email-aurelien@aurel32.net> References: <1433447480-30848-1-git-send-email-aurelien@aurel32.net> Subject: [Qemu-devel] [PATCH v4 3/8] target-sh4: optimize addc using add2 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Aurelien Jarno Signed-off-by: Aurelien Jarno --- target-sh4/translate.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/target-sh4/translate.c b/target-sh4/translate.c index bcdf4f3..5c90fe3 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -644,15 +644,12 @@ static void _decode_opc(DisasContext * ctx) case 0x300e: /* addc Rm,Rn */ { TCGv t0, t1; - t0 = tcg_temp_new(); + 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); + tcg_gen_add2_i32(t1, cpu_sr_t, cpu_sr_t, t0, REG(B7_4), t0); + tcg_gen_add2_i32(REG(B11_8), cpu_sr_t, + REG(B11_8), t0, t1, cpu_sr_t); tcg_temp_free(t0); - tcg_gen_mov_i32(REG(B11_8), t1); tcg_temp_free(t1); } return; -- 2.1.4