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[200.56.192.86]) by smtp.gmail.com with ESMTPSA id r205sm773727oig.0.2019.06.07.07.51.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Jun 2019 07:51:31 -0700 (PDT) To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org References: <20190606174609.20487-1-peter.maydell@linaro.org> <20190606174609.20487-6-peter.maydell@linaro.org> From: Richard Henderson Openpgp: preference=signencrypt Message-ID: Date: Fri, 7 Jun 2019 09:51:29 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190606174609.20487-6-peter.maydell@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::242 Subject: Re: [Qemu-devel] [PATCH 05/42] target/arm: Explicitly enable VFP short-vectors for aarch32 -cpu max X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 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" On 6/6/19 12:45 PM, Peter Maydell wrote: > At the moment our -cpu max for AArch32 supports VFP short-vectors > because we always implement them, even for CPUs which should > not have them. The following commits are going to switch to > using the correct ID-register-check to enable or disable short > vector support, so we need to turn it on explicitly for -cpu max, > because Cortex-A15 doesn't implement it. > > We don't enable this for the AArch64 -cpu max, because the v8A > architecture never supports short-vectors. > > Signed-off-by: Peter Maydell > --- > target/arm/cpu.c | 4 ++++ > 1 file changed, 4 insertions(+) Reviewed-by: Richard Henderson r~