From patchwork Mon May 1 22:10:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 9707237 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B109660385 for ; Mon, 1 May 2017 22:12:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2490206AC for ; Mon, 1 May 2017 22:12:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9744327F95; Mon, 1 May 2017 22:12:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 0AC6322B27 for ; Mon, 1 May 2017 22:12:32 +0000 (UTC) Received: from localhost ([::1]:55919 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5JYV-0007Zd-7e for patchwork-qemu-devel@patchwork.kernel.org; Mon, 01 May 2017 18:12:31 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5JX4-0007YD-1d for qemu-devel@nongnu.org; Mon, 01 May 2017 18:11:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5JX3-0004FW-3R for qemu-devel@nongnu.org; Mon, 01 May 2017 18:11:01 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:57320) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d5JX2-0004BM-Ua for qemu-devel@nongnu.org; Mon, 01 May 2017 18:11:01 -0400 Received: from [2001:bc8:30d7:120:9bb5:8936:7e6a:9e36] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1d5JWu-00039m-7v; Tue, 02 May 2017 00:10:52 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.89) (envelope-from ) id 1d5JWs-0002pO-Rj; Tue, 02 May 2017 00:10:50 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Tue, 2 May 2017 00:10:41 +0200 Message-Id: <20170501221046.9369-10-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170501221046.9369-1-aurelien@aurel32.net> References: <20170501221046.9369-1-aurelien@aurel32.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:bc8:30d7:100::1 Subject: [Qemu-devel] [PATCH 09/14] target/sh4: optimize gen_store_fpr64 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aurelien Jarno Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Isuing extrh and avoiding intermediate temps. Signed-off-by: Aurelien Jarno --- target/sh4/translate.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/target/sh4/translate.c b/target/sh4/translate.c index a8399239d1..23636eeb4c 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -305,13 +305,8 @@ static inline void gen_load_fpr64(TCGv_i64 t, int reg) static inline void gen_store_fpr64 (TCGv_i64 t, int reg) { - TCGv_i32 tmp = tcg_temp_new_i32(); - tcg_gen_extrl_i64_i32(tmp, t); - tcg_gen_mov_i32(cpu_fregs[reg + 1], tmp); - tcg_gen_shri_i64(t, t, 32); - tcg_gen_extrl_i64_i32(tmp, t); - tcg_gen_mov_i32(cpu_fregs[reg], tmp); - tcg_temp_free_i32(tmp); + tcg_gen_extrl_i64_i32(cpu_fregs[reg + 1], t); + tcg_gen_extrh_i64_i32(cpu_fregs[reg], t); } #define B3_0 (ctx->opcode & 0xf)