From patchwork Thu Aug 27 11:03:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Chenqun \(kuhn\)" X-Patchwork-Id: 275431 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0830BC433E3 for ; Thu, 27 Aug 2020 11:06:12 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D4A8A22BF3 for ; Thu, 27 Aug 2020 11:06:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D4A8A22BF3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49160 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBFjP-0006L1-22 for qemu-devel@archiver.kernel.org; Thu, 27 Aug 2020 07:06:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51014) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBFi7-0004QV-Fr; Thu, 27 Aug 2020 07:04:51 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:4278 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBFi5-0007YX-Mo; Thu, 27 Aug 2020 07:04:51 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id AAF88638985D7F1FDEBD; Thu, 27 Aug 2020 19:04:46 +0800 (CST) Received: from huawei.com (10.175.104.175) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Thu, 27 Aug 2020 19:04:39 +0800 From: Chen Qun To: , Subject: [PATCH v3 04/10] target/arm/translate-a64:Remove redundant statement in disas_simd_two_reg_misc_fp16() Date: Thu, 27 Aug 2020 19:03:05 +0800 Message-ID: <20200827110311.164316-5-kuhn.chenqun@huawei.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200827110311.164316-1-kuhn.chenqun@huawei.com> References: <20200827110311.164316-1-kuhn.chenqun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.104.175] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.191; envelope-from=kuhn.chenqun@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/27 02:09:23 X-ACL-Warn: Detected OS = Linux 3.11 and newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , zhang.zhanghailiang@huawei.com, pannengyuan@huawei.com, qemu-arm@nongnu.org, Euler Robot , Chen Qun Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Clang static code analyzer show warning: target/arm/translate-a64.c:13007:5: warning: Value stored to 'rd' is never read rd = extract32(insn, 0, 5); ^ ~~~~~~~~~~~~~~~~~~~~~ target/arm/translate-a64.c:13008:5: warning: Value stored to 'rn' is never read rn = extract32(insn, 5, 5); ^ ~~~~~~~~~~~~~~~~~~~~~ Reported-by: Euler Robot Signed-off-by: Chen Qun Reviewed-by: Peter Maydell --- Cc: Peter Maydell Cc: qemu-arm@nongnu.org --- target/arm/translate-a64.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index c83bb85e4e..47cce160d8 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -13016,9 +13016,6 @@ static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn) fpop = deposit32(opcode, 5, 1, a); fpop = deposit32(fpop, 6, 1, u); - rd = extract32(insn, 0, 5); - rn = extract32(insn, 5, 5); - switch (fpop) { case 0x1d: /* SCVTF */ case 0x5d: /* UCVTF */