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 E4B72EE3F0B for ; Tue, 12 Sep 2023 18:34:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qg8CJ-00076H-Ky; Tue, 12 Sep 2023 14:33:15 -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 1qg8CH-00075D-1W for qemu-devel@nongnu.org; Tue, 12 Sep 2023 14:33:13 -0400 Received: from mail-oi1-x232.google.com ([2607:f8b0:4864:20::232]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qg8CE-0008W1-RO for qemu-devel@nongnu.org; Tue, 12 Sep 2023 14:33:12 -0400 Received: by mail-oi1-x232.google.com with SMTP id 5614622812f47-3a9f88b657eso4075778b6e.3 for ; Tue, 12 Sep 2023 11:33:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1694543589; x=1695148389; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Yvv5pAPF0Q8GYqhUkDSkOKeTg44fnBBhzsIBvY4GnEE=; b=dSomGGYK0s80f4hKkJzuPcxsl7N2mPOTm8QdIIHUIrhp0VjpcxtcElktVHAH1N9f0s obptY/E/f6aW21xdlLRDzMyLzzfXVvR2HjOpHA6QtrnrVvIkA5xiw9WCK+uHPxccxycY K0A1asihRQKe4M/rORXtAWpakbkpllNnI0YkCDeYWGhMiqE5B59NFByUL/vsWm9wiYC+ Dfo8t23SA5IvlOHM7aWhQw6r8jOA5zyZjbA65hwBq/BYyRvtaRnzIlpxu79BloMU4W/p Ay6JJhsdIjz/5ZbGF51Mz9auIfSOdHO5AqdfnX1uQQ51SRkYa8mNosTVT9d2rCp9UmUL pEcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694543589; x=1695148389; h=content-transfer-encoding:in-reply-to:from:references: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=Yvv5pAPF0Q8GYqhUkDSkOKeTg44fnBBhzsIBvY4GnEE=; b=phFbmVUzX/VJ0Dt6KQ+djffbun4KwACjzM7SkMj94J6A4ZsLSTZF52FcsIORAvX+ij 5RSzQtM/tzGlyo32cmpm9bUaFz+9UH7zKC2sGe/gvmxUVofbpoF9hIeO+fnw+wUtn/1D 25Uo4Brt1WjX1i9LeVIKjc28VFwYVV9FYqJwIzFc9AN/iyjqO9Z2nDAD9rhA+KqAgP3b Omvw4+7McbbxsxIjAAq26BrBY8LY6C9zOJt+PFP354wlja8CBtc1lCrirzYLdy2i6aVl 1IiXj13N+c20OEi+zJy7mV3VdyB7toV4JppSNpy/DzeKnwb6TLSvtoZS21OHZ/W1w7dY R6pQ== X-Gm-Message-State: AOJu0YzxhFp8gjB8ONKWzJVcQKnNVE3DZLcmVvL5VB5fMsn2uoyU/uCI SxNDCCyaIYNMCHAk58S6ArygZg== X-Google-Smtp-Source: AGHT+IERwdSlmKqU10n/tC0GBUEifnAGGRERMOwrK8u4sckTU3BJ2WljjyUHUv49sB0ddb64LDUxTg== X-Received: by 2002:a05:6870:b61f:b0:1d5:426c:4c13 with SMTP id cm31-20020a056870b61f00b001d5426c4c13mr409493oab.14.1694543589483; Tue, 12 Sep 2023 11:33:09 -0700 (PDT) Received: from [192.168.0.4] ([71.212.131.115]) by smtp.gmail.com with ESMTPSA id x5-20020a654145000000b00565e2ad12e5sm6542198pgp.91.2023.09.12.11.33.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Sep 2023 11:33:08 -0700 (PDT) Message-ID: Date: Tue, 12 Sep 2023 11:33:06 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH v2 11/12] target/arm: Implement the CPY* instructions Content-Language: en-US To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org References: <20230912140434.1333369-1-peter.maydell@linaro.org> <20230912140434.1333369-12-peter.maydell@linaro.org> From: Richard Henderson In-Reply-To: <20230912140434.1333369-12-peter.maydell@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::232; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x232.google.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 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=-1.473, 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 9/12/23 07:04, Peter Maydell wrote: > The FEAT_MOPS CPY* instructions implement memory copies. These > come in both "always forwards" (memcpy-style) and "overlap OK" > (memmove-style) flavours. > > Signed-off-by: Peter Maydell > --- > v2: - separate helpers for the 'forwards' and 'move' variants > - fix cpyfp saturation limit > - cpyfm/cpyfp are always forwards, not based on Xn sign > --- > target/arm/tcg/helper-a64.h | 7 + > target/arm/tcg/a64.decode | 14 + > target/arm/tcg/helper-a64.c | 454 +++++++++++++++++++++++++++++++++ > target/arm/tcg/translate-a64.c | 60 +++++ > 4 files changed, 535 insertions(+) Reviewed-by: Richard Henderson r~