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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id w188sm180279pgw.26.2019.10.02.12.40.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 02 Oct 2019 12:40:27 -0700 (PDT) Subject: Re: target/ppc: bug in optimised vsl/vsr implementation? To: =?UTF-8?Q?Alex_Benn=c3=a9e?= , qemu-devel@nongnu.org References: <87v9t7jbep.fsf@linaro.org> From: Richard Henderson Openpgp: preference=signencrypt Message-ID: <5f80d547-3027-2315-bb98-221283b9df2f@linaro.org> Date: Wed, 2 Oct 2019 12:40:25 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <87v9t7jbep.fsf@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::42e 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: , Cc: stefan.brankovic@rt-rk.com, "qemu-ppc@nongnu.org" , Paul Clarke , Aleksandar Markovic Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 10/2/19 10:38 AM, Alex Bennée wrote: > Is the denbcdq instruction exposed in any standard float operations? > Once this is fixed it would be worth adding a testcase (either ppc64 > specific or multiarch) so protect it from regression in the future. Not standard float operations -- this is binary coded decimal stuff. It would certainly be possible to write a ppc specific test case. r~