From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 3F898EE4996 for ; Tue, 22 Aug 2023 14:56:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qYSnr-00012T-SD; Tue, 22 Aug 2023 10:56:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qYSnp-00011W-QU for qemu-devel@nongnu.org; Tue, 22 Aug 2023 10:56:17 -0400 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qYSnn-0007BW-NM for qemu-devel@nongnu.org; Tue, 22 Aug 2023 10:56:17 -0400 Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-1bdb7b0c8afso26603315ad.3 for ; Tue, 22 Aug 2023 07:56:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692716174; x=1693320974; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=GMWWU3jb+Aqy9RcSXkJwR3nMXoyivnNOhp61RgjSA68=; b=WjjBD5pyByydhtoYx9QPGPOscVCBYuJeamuVm7mKhoclcyDSDdwdw6l5GaU6gqgWnE B3i+sVON2yVNUUazn3/2jZDi+/1ggpD8CfasDmzJmrXShIcCDt061IsXtik9IkbHALF1 /dxHWLVRpuzBcCdx+k/Y3FJqwXgJ0jSdntyM8rfhKdoe7s8tLL8izWEnBeVPRzjexrH3 nOozeIAU1TTXzq09XeTwP4UObhZXDQ46aRyUOdjxszL394RX6aMxRy467rR2vHnWEaEf KmZolNZQxAmzKaLzYh1xjyyaWt1LnAJelFxlzxweSxLAKfnzNrmSjrW6mENr2EktcF3X g1ww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692716174; x=1693320974; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=GMWWU3jb+Aqy9RcSXkJwR3nMXoyivnNOhp61RgjSA68=; b=bImwK/+MJUbzogeulTLWp34225qc7XQsuZmzs115llj5FnXhOesoWcMP8WYqeX8aQI PWU3LLk+ZPBuJlaOFPMaTgkcTd00DikGSFUYhug82tjKNEz7+ck/z3QBIxN2o344afAd Uy+7Xmye/vYNPFYlIBofftcoC5yiLlrIA+HzOmSr+/c1gGDr1RvWOmKCL7rR9Y/Rvkse rgs2r5gF8qm/NUMHG2IgoQxcno7tPLqaoYYO4BO78KCzTq78TeQJhkgpm9n4a7s3S9TQ 2McS/VS3em9qPwl/v8i8AvJVwWfid0oQoXKar5rOhUKoPNMAocWQAZsbYgKb1LJ+JvvM yiWA== X-Gm-Message-State: AOJu0YxtIaaQ9jetBNNzBS1l9CFSOeaNp3f2GnkgL0u5Ez/FaLUr1iYZ 76L4ZPEUzr2Fpwg/PKnDvcs2eA== X-Google-Smtp-Source: AGHT+IEbIDjOLRwXkdZI67TPWhtKL6BMVGT/cFuctuCFctWhhmUMYvjRfGtDj39xnHYuhJ9smwx6Pw== X-Received: by 2002:a17:902:d4ce:b0:1bd:f71c:3af3 with SMTP id o14-20020a170902d4ce00b001bdf71c3af3mr8506562plg.32.1692716174254; Tue, 22 Aug 2023 07:56:14 -0700 (PDT) Received: from ?IPV6:2602:47:d483:7301:4e3c:f4a4:b92a:b5ab? ([2602:47:d483:7301:4e3c:f4a4:b92a:b5ab]) by smtp.gmail.com with ESMTPSA id q10-20020a17090311ca00b001bb0eebd90asm9191336plh.245.2023.08.22.07.56.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Aug 2023 07:56:13 -0700 (PDT) Message-ID: Date: Tue, 22 Aug 2023 07:56:12 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH] target/arm: Use deposit_z() in BCF opcode Content-Language: en-US To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org Cc: Peter Maydell , qemu-arm@nongnu.org References: <20230822095156.39868-1-philmd@linaro.org> From: Richard Henderson In-Reply-To: <20230822095156.39868-1-philmd@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62c.google.com X-Spam_score_int: -38 X-Spam_score: -3.9 X-Spam_bar: --- X-Spam_report: (-3.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-1.767, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 8/22/23 02:51, Philippe Mathieu-Daudé wrote: > When clearing a bitfield we don't need to lead the > source register. Use deposit_z_i32() with the BFC > opcode to save a load_reg() call. > > Signed-off-by: Philippe Mathieu-Daudé > --- > target/arm/tcg/translate.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) Reviewed-by: Richard Henderson r~