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 E4390C7EE23 for ; Wed, 10 May 2023 13:44:01 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pwk6X-0000In-TC; Wed, 10 May 2023 09:43:42 -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 1pwk6I-0000Gx-DK for qemu-devel@nongnu.org; Wed, 10 May 2023 09:43:30 -0400 Received: from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pwk6F-0000Qp-W5 for qemu-devel@nongnu.org; Wed, 10 May 2023 09:43:26 -0400 Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-3f4c6c4b51eso5418315e9.2 for ; Wed, 10 May 2023 06:43:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683726201; x=1686318201; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:from:to:cc:subject:date :message-id:reply-to; bh=WkdhEp5KLEKdXOq61mIo8u70VbTpAeq0C8R08mAZ3PA=; b=M7mkloJmByrwFy9/aVAiU0Mo4y2T/hqN1UOU8OICoAw/l7B0txlL5Qq4WaCUu+V0n6 s+yj+u7en9M6ib7IG6zQ4KKl2LaNIFmvrfyiXU36/qeRJNVAgJn1bmAEfyg18RSdllpp AT6cipyqPJOpz7wm5D8H7+v/6snVhSdQJAVP0yB1Ocpws9BkH8VBMczFmJEK9shFSkRo LIZ0TpGmElNNmWwLrq66aUvClm0uV/73yNAV+WJdjgjMpAOreauUMJDJt54Pm/ssgEAS ViBUwBz8AGeABRqwtDi57NDMYIE0w4ziDSturtUytkn0IFXRP3JRYN8KobTcz+2PKiQq jnig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683726201; x=1686318201; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=WkdhEp5KLEKdXOq61mIo8u70VbTpAeq0C8R08mAZ3PA=; b=dOzTEgwfQsNIvkagvvep/LyqD4tcYzee3sVrWIm3QkfLc86dEjqkwt0O2xXZAUiI8r r/MQ4GwXP2/FX2aQgoa9n4eD0P/Q8IGG7bkYXixG1kFxWsvvw30VshHkWjPbJpgZcNjj 8q4IPdjv4CiTPv5DTdDvD4htRDQgODI+JAuepF+xCTXF3X9dFBVlnt6Siqrdcgb1TjgK UnyRUOrHmbRIHPB2K5vEEmUgtrN7mYWU07WzvbjDvLf4QfXyPUECBbpThKnsRIPtIeOb WJ0LAqBRYWZDL52I0xM2MNVA/XXbMX0tTNSOhHm3GHbaPZBZH3eNPa9zeoROMIdQv2G+ fLFQ== X-Gm-Message-State: AC+VfDxR6diz1Ra/CEqyDgd7R9HpAP4KsIx08LWWOjVMDgOn7KplSxua suT0P1aDvSFEYBY1sv3FsTAmeg== X-Google-Smtp-Source: ACHHUZ6rJepGcEv7K4sWITs+/dbZS5wFj+Zx3PUny8bhgzBL7GGc8WcFLtmQ0r+kVOgtjQeM+qDx9Q== X-Received: by 2002:a7b:c855:0:b0:3f4:23e5:5bb0 with SMTP id c21-20020a7bc855000000b003f423e55bb0mr8350887wml.5.1683726201283; Wed, 10 May 2023 06:43:21 -0700 (PDT) Received: from zen.linaroharston ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id z9-20020a05600c114900b003f4069417absm20013355wmz.24.2023.05.10.06.43.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 May 2023 06:43:21 -0700 (PDT) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 89DEF1FFBB; Wed, 10 May 2023 14:43:20 +0100 (BST) References: <20230506072235.597467-1-richard.henderson@linaro.org> <20230506072235.597467-21-richard.henderson@linaro.org> User-agent: mu4e 1.11.4; emacs 29.0.90 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: Richard Henderson Cc: git@xen0n.name, gaosong@loongson.cn, philmd@linaro.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org, qemu-devel@nongnu.org Subject: Re: [PATCH v5 20/30] tcg/loongarch64: Simplify constraints on qemu_ld/st Date: Wed, 10 May 2023 14:43:10 +0100 In-reply-to: <20230506072235.597467-21-richard.henderson@linaro.org> Message-ID: <87cz387153.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32a.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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 Richard Henderson writes: > The softmmu tlb uses TCG_REG_TMP[0-2], not any of the normally available > registers. Now that we handle overlap betwen inputs and helper arguments, > we can allow any allocatable reg. > > Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro