From patchwork Wed May 10 18:26:30 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Aurelien Jarno X-Patchwork-Id: 760763 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 3wNPzL4s9wz9s8V for ; Thu, 11 May 2017 04:34:38 +1000 (AEST) Received: from localhost ([::1]:44128 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8WRY-0001Ka-5s for incoming@patchwork.ozlabs.org; Wed, 10 May 2017 14:34:36 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35143) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d8WK0-0003F6-6G for qemu-devel@nongnu.org; Wed, 10 May 2017 14:26:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d8WJy-0000HO-8g for qemu-devel@nongnu.org; Wed, 10 May 2017 14:26:48 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:100::1]:48690) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d8WJy-0000GA-23 for qemu-devel@nongnu.org; Wed, 10 May 2017 14:26:46 -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 1d8WJx-0004NI-30; Wed, 10 May 2017 20:26:45 +0200 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.89) (envelope-from ) id 1d8WJv-0004ep-R3; Wed, 10 May 2017 20:26:43 +0200 From: Aurelien Jarno To: qemu-devel@nongnu.org Date: Wed, 10 May 2017 20:26:30 +0200 Message-Id: <20170510182636.17791-10-aurelien@aurel32.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170510182636.17791-1-aurelien@aurel32.net> References: <20170510182636.17791-1-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 v3 09/15] 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Using extr and avoiding intermediate temps. Signed-off-by: Aurelien Jarno Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson --- target/sh4/translate.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/target/sh4/translate.c b/target/sh4/translate.c index a4c7a0895b..fe8bff54a6 100644 --- a/target/sh4/translate.c +++ b/target/sh4/translate.c @@ -305,13 +305,7 @@ 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_extr_i64_i32(cpu_fregs[reg + 1], cpu_fregs[reg], t); } #define B3_0 (ctx->opcode & 0xf)