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[81.2.115.145]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4834d5ebd34sm697630795e9.7.2026.02.19.02.34.13 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Feb 2026 02:34:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1771497254; x=1772102054; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=OQfEbThu7oMSWLhYHhXd3iUGX21b3ELkTS9VtOATfc8=; b=XQNwpja6+XjH6Oz2fqeR4ftkIp1TuEQD02bS5G6O9F6F/KR3iFsO0VR4/jGUAyDOm8 CHhGLQWkqy1cFU6IXoRILwFvj7010yYjVSqNTI0UZbZZv10oFwKNWVBw8z1RVrJmrUlt tOaJEbVVc8NiHtBA97Kpvh6UZZ+GeBAZRFNWnbFX0VYnIwmSaa6OZ0l2Guo2vCp09J6Z l317XIqKyAWVyPSI/i1kXfN5/QVPpvVvB6pjpMfVZ876lG/yBZuSo8kEvgw3J1wKUgqx AlmBKUxYi1jofTRSLee65dNX62vCEGui5emZcH5Z9COxepDgeeZCUjt/fbMo6zn3iNyZ 2rFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771497254; x=1772102054; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=OQfEbThu7oMSWLhYHhXd3iUGX21b3ELkTS9VtOATfc8=; b=vrrFCkLLRDhnkTgFUY5qGH0H9PFiyfo9/aMLe2t2H+8okMIZ8ambN7EWURbffuDmm+ nRMK/P2qzvyvMWUyOfXgKF2dWewj1nQjFd1ngJZYqjqsD15qS2jkTiwTl5i8M0JEj4Ei phXiHwEHQFOf0nXoJWxCnab4Ovw0V2I03LIDE7bF0RG8oJjApaF9TiMGQB6cdN7BM/nZ NbUbro0emxrNrHFQxYlxR/9FJxNArdCOZc4fDTV4YIqjAtiIRDgvSfujvet1P5m9GDQF AjAuMkS6YIUxitdBIJMaj8SsqlJEV4NVWclBxSZktPMwbfgGo9t0Y9Q0O4CmJy709/M2 hKhg== X-Gm-Message-State: AOJu0YyUKzvLZCW9b5HO3/jWRFMm7Sc58PilUYcEoVhIybeKq5P0qLi1 rCIhyjbESZrpBE5O2Z9YE5OwKZAC5a9iR6TcH7Agko8ctSXmX+atllfrfV6ZTcnVoHuxtMt1wCY HijUU X-Gm-Gg: AZuq6aLkX5dms66ShSTy8XLwW5O5czNA3SvlV9sZg8YlW4BtT1gqKo74551SWkAEpXn ZMk3zD2LY0A70BIKG18ye1HW3T9kajlHGvAEwCa7DEuBOMG68ez+KfLtQerRc8R/poIYvtNqALU amBkL+/n6SmxsnpABpAu1N65jIeY6kANiNrywIs1edHGAlg+DLaJKCDmydrOgYiNdiqZBpmWWDd mq030c1HHoS8gEL6Eiqnq/pUedkDu8DvxIYv/l9dci23R4GHzz6X7CyMnUAZhUZ6pb1JoFDPJiy ZTcC1l76vrB/0BzwRcjt8h2RhEQrBlageDCFIn9oOvyjHjGbvrY+YzCXdgrbWmXVZSsvpWJKWX5 MKBrmOUpbT5BzNoZlHtECq4h8W6BLoCD3HnFI+JiO6Hpm0I6y8wfZgVAalz+0xWflpwHBJc/voW /l48ZNLtMJ3IEwU84Ku1fp5E2VA6NMnCqKkJ6rN3vu1Tz8v/7RD9VbBzqemNWFpXrgXxJ6T6ls5 ax9ZrLhQpKUQ5/mkhAyGlOC/DJR9c4= X-Received: by 2002:a05:600c:4616:b0:477:a71c:d200 with SMTP id 5b1f17b1804b1-483a00a51b6mr12544465e9.11.1771497253932; Thu, 19 Feb 2026 02:34:13 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 07/32] target/arm: Handle SME-without-SVE on change of EL Date: Thu, 19 Feb 2026 10:33:40 +0000 Message-ID: <20260219103405.3793357-8-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260219103405.3793357-1-peter.maydell@linaro.org> References: <20260219103405.3793357-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32d; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32d.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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1771497363384154100 aarch64_sve_change_el() currently assumes that SME implies SVE, and will return without doing anything if SVE is not implemented, skipping a possible requirement to change the vector register state because the SME vector length has changed. Update it to handle SME also. Reviewed-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-id: 20260202133353.2231685-8-peter.maydell@linaro.org --- target/arm/helper.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/arm/helper.c b/target/arm/helper.c index ebf185000b..e12b2455d3 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -10139,8 +10139,8 @@ void aarch64_sve_change_el(CPUARMState *env, int ol= d_el, int old_len, new_len; bool old_a64, new_a64, sm; =20 - /* Nothing to do if no SVE. */ - if (!cpu_isar_feature(aa64_sve, cpu)) { + /* Nothing to do if no SVE or SME. */ + if (!cpu_isar_feature(aa64_sve, cpu) && !cpu_isar_feature(aa64_sme, cp= u)) { return; } =20 --=20 2.43.0