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 4A376C77B7C for ; Tue, 24 Jun 2025 13:56:37 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uU48B-0007Xl-OL; Tue, 24 Jun 2025 09:56:11 -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 1uU489-0007XU-Vt for qemu-devel@nongnu.org; Tue, 24 Jun 2025 09:56:10 -0400 Received: from mail-pg1-x533.google.com ([2607:f8b0:4864:20::533]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uU486-0007Vf-TA for qemu-devel@nongnu.org; Tue, 24 Jun 2025 09:56:08 -0400 Received: by mail-pg1-x533.google.com with SMTP id 41be03b00d2f7-b34a6d0c9a3so642105a12.3 for ; Tue, 24 Jun 2025 06:56:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750773364; x=1751378164; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=9+nWBo7i7WCZ2UG5L7PNPjkabWITXE1kl5bG3bC2nx4=; b=apF/5K2+nO7U0ZAVpBb4iC+lv5Y+QsZZZDZ9ECiZFqCy2WgzErrKymQUqi5fqwzgHB FfEJf9nYSR11Hbq4qm7bwT/7vdE8iUbPyduyTo5DTeZmVfYRBZcnZPC26fQsx0E5nuuR 6wiHtoLL1TYD2bAOKLAW+yQGkWvwHBufnQN51FLu0NHBQ+YiomwsvPT90imQMlsvnPQ/ /gGVr9qhJZ2m0ZLTvSHWlAjllMZWGXOb4EtDQvBXp7qA3Mcj/YQRb/yDxmVwcbJL1lyQ iD+jai/ZMMMqfTGcPK+34hoHlXAIxJtnV9L5gpaT6jqejuufBunEIGEmIVXtFZ5aAp38 KJLQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750773364; x=1751378164; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9+nWBo7i7WCZ2UG5L7PNPjkabWITXE1kl5bG3bC2nx4=; b=oVHHBEn6bMG7GLFqZq0d4LZeOObnRU/HiuioPj7ymr8C98wFUsYOe3pDjN/Q3Onzry swF9aZNNSoKuX/C9/47ReHsIfuTeycW6p77R5pn5gCYFOBVNlDprQXLqF9a5+qaHZYCQ vQxntuOR1VU8EyshOqhkKSwnZE1ZIE/tnD856ZsCQ100hssQk4m0bf06jMki+aIs7sxS 1WUut1/xZY8eokFK2wRLSOTxl97hIFYf1p07O4EA/9vkm1PG+ZKzjp3WHGyvLgKR5Cnf g0mg887iXY3r7M4IpWPEF7YmT4swue3aLMJEvrI3XTHZUyC6LmLIS4yZh0v2X28u5zQM /OkA== X-Gm-Message-State: AOJu0YzyQdo95lTxTeoj7SW07j907hU5hzSyFyRH3YBrD/ANnhU2o5D0 FCArrldzexwl6KBVL8sDKr0HWMZrQjhHdsCSe8X1rvprIi4woDHRJtefk28EqI4eaE6VPzxDN0C uW/xG14w= X-Gm-Gg: ASbGncs+BRAyFzVIhe+iIYb3RTjAWFhwH751Dm+SSa4JX0xGhN03U+CRbNNPQQyxvL1 oJZVq6i5XfAIEu6oFKDRPp77iNbh7G2+NPdmXkjp+KbrIJqfstDeuSLe6ZWqXoSdoNsOjsRhioo KsDVkl/2U6yLdmpozFffefITFMTZxW3tCcBD/qtLM0823fEWN3Cri1RI3XEpqUqhwmytIoFrL/E BZnLFhFwzQKPDqquwaKVEtinEOvtpoJwCd8wt4xgTC5gfMsyrwPw8mTuLrOQwRMLIRUtG1dShbA /WwFPjg8bmWVlBAfabOgLNKfk+Co0v0SB4Wba1j4QD8QslDWacgrH03upgXEjbdGCm43iewTR7V oM95yKh9h+mQoQH4LVEvyaPI7Fo4X X-Google-Smtp-Source: AGHT+IEQVvXPBWlOzrkSyRrrRDZWCecQL0hLQ6/qcPHzb7F7oTsyWy3fqfC+8br+MEOjEHQBPYq1hA== X-Received: by 2002:a05:6a21:68b:b0:220:670:879e with SMTP id adf61e73a8af0-22026f87dabmr23521822637.37.1750773364433; Tue, 24 Jun 2025 06:56:04 -0700 (PDT) Received: from [192.168.0.4] (174-21-67-243.tukw.qwest.net. [174.21.67.243]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b3218c00286sm4721443a12.73.2025.06.24.06.56.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Jun 2025 06:56:03 -0700 (PDT) Message-ID: Date: Tue, 24 Jun 2025 06:56:02 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 042/101] target/arm: Tighten USDOT (vectors) decode To: Peter Maydell Cc: qemu-devel@nongnu.org References: <20250621235037.74091-1-richard.henderson@linaro.org> <20250621235037.74091-43-richard.henderson@linaro.org> Content-Language: en-US From: Richard Henderson In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::533; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x533.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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 6/24/25 03:13, Peter Maydell wrote: >> -USDOT_zzzz 01000100 .. 0 ..... 011 110 ..... ..... @rda_rn_rm >> +USDOT_zzzz_4s 01000100 10 0 ..... 011 110 ..... ..... @rda_rn_rm_e0 > > This sets esz to 0, when it used to be 2. The helper function > looks like it looks at the simd_oprsz() so I think this is > wrong as well as inconsistent with the esz we use for _4s > insns in the previous patch. oprsz == vl. esz is unused by the trans_* function after the change. But I agree it's confusing to set esz=0. r~