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[187.189.51.143]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7cadb200661sm1659552a34.8.2025.12.11.07.52.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 11 Dec 2025 07:52:10 -0800 (PST) Message-ID: <803f0bee-24e2-4308-af01-04bb44b94184@linaro.org> Date: Thu, 11 Dec 2025 09:52:08 -0600 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/18] target/i386/tcg: ignore V3 in 32-bit mode To: Paolo Bonzini , qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org References: <20251210131653.852163-1-pbonzini@redhat.com> <20251210131653.852163-3-pbonzini@redhat.com> From: Richard Henderson Content-Language: en-US In-Reply-To: <20251210131653.852163-3-pbonzini@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::333; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x333.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=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 On 12/10/25 07:16, Paolo Bonzini wrote: > From the manual: "In 64-bit mode all 4 bits may be used. [...] > In 32-bit and 16-bit modes bit 6 must be 1 (if bit 6 is not 1, the > 2-byte VEX version will generate LDS instruction and the 3-byte VEX > version will ignore this bit)." > > Cc:qemu-stable@nongnu.org > Signed-off-by: Paolo Bonzini > --- > target/i386/tcg/decode-new.c.inc | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Richard Henderson r~