From patchwork Wed Feb 20 07:52:25 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 222009 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 C071F2C007C for ; Wed, 20 Feb 2013 20:06:30 +1100 (EST) Received: from localhost ([::1]:35955 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U85dE-0004Gy-U7 for incoming@patchwork.ozlabs.org; Wed, 20 Feb 2013 04:06:28 -0500 Received: from eggs.gnu.org ([208.118.235.92]:44107) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Up-0001nU-Mz for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1U84Un-0002OT-7L for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:43 -0500 Received: from mail-pa0-f44.google.com ([209.85.220.44]:56459) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1U84Un-0002OO-0n for qemu-devel@nongnu.org; Wed, 20 Feb 2013 02:53:41 -0500 Received: by mail-pa0-f44.google.com with SMTP id kp1so3906483pab.31 for ; Tue, 19 Feb 2013 23:53:40 -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=XABbz+87NpuXis05M4PCTTSkeXi3rido8DjZdoAyKxQ=; b=ZYdg3yAclLNbpc8HVKtAZbieXp6G5mbve7MVgPuS9z3e5WP1po6HQyZQ/lJbZ0xZt3 0h1U3knTpMj56N9w4DZDqi20ZofF5R+BFcQY9WqNA17eqXtuRq3CsrArwtCuzg3LwKBx VXcH3/zhHAQthIVg6jTg3l4uSynbuANIsjl3x1qG9smwePoUBJwXqiR6NDecJq9srHjw oPGnP0s5qTZs9mD7iH5/8RVz7D+NiQBxIuF0oVONmRtTj+b3t4866URZ9R91sHfygknG DFe76e9fPSCoQkZUzEOPJMK0YwlRtSws62hUHFi1oHgiH3B/HdzVwvN5n03aiL1DLDzf I0oA== X-Received: by 10.66.234.132 with SMTP id ue4mr1057435pac.163.1361346820324; Tue, 19 Feb 2013 23:53:40 -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.10.2013.02.19.23.53.38 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 19 Feb 2013 23:53:39 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 19 Feb 2013 23:52:25 -0800 Message-Id: <1361346746-8511-38-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: 209.85.220.44 Cc: blauwirbel@gmail.com, Max Filippov , aurelien@aurel32.net Subject: [Qemu-devel] [PATCH 37/38] target-xtensa: Use mul*2 for mul*hi 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 Cc: Max Filippov Signed-off-by: Richard Henderson --- target-xtensa/translate.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c index 7029ac4..b41d12c 100644 --- a/target-xtensa/translate.c +++ b/target-xtensa/translate.c @@ -1652,24 +1652,16 @@ static void disas_xtensa_insn(CPUXtensaState *env, DisasContext *dc) case 11: /*MULSHi*/ HAS_OPTION(XTENSA_OPTION_32_BIT_IMUL_HIGH); { - TCGv_i64 r = tcg_temp_new_i64(); - TCGv_i64 s = tcg_temp_new_i64(); - TCGv_i64 t = tcg_temp_new_i64(); + TCGv lo = tcg_temp_new(); if (OP2 == 10) { - tcg_gen_extu_i32_i64(s, cpu_R[RRR_S]); - tcg_gen_extu_i32_i64(t, cpu_R[RRR_T]); + tcg_gen_mulu2_i32(lo, cpu_R[RRR_R], + cpu_R[RRR_S], cpu_R[RRR_T]); } else { - tcg_gen_ext_i32_i64(s, cpu_R[RRR_S]); - tcg_gen_ext_i32_i64(t, cpu_R[RRR_T]); + tcg_gen_muls2_i32(lo, cpu_R[RRR_R], + cpu_R[RRR_S], cpu_R[RRR_T]); } - tcg_gen_mul_i64(r, s, t); - tcg_gen_shri_i64(r, r, 32); - tcg_gen_trunc_i64_i32(cpu_R[RRR_R], r); - - tcg_temp_free_i64(r); - tcg_temp_free_i64(s); - tcg_temp_free_i64(t); + tcg_temp_free(lo); } break;