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Thu, 10 Jun 2021 12:09:22 -0700 (PDT) MIME-Version: 1.0 References: <20210607165821.9892-1-peter.maydell@linaro.org> <20210607165821.9892-50-peter.maydell@linaro.org> <5b0a7b23-7e96-4d0e-abe9-5f137da131da@linaro.org> In-Reply-To: <5b0a7b23-7e96-4d0e-abe9-5f137da131da@linaro.org> From: Peter Maydell Date: Thu, 10 Jun 2021 20:08:48 +0100 Message-ID: Subject: Re: [PATCH 49/55] target/arm: Implement MVE VQDMULL (vector) To: Richard Henderson Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::52e; envelope-from=peter.maydell@linaro.org; helo=mail-ed1-x52e.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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 9 Jun 2021 at 21:20, Richard Henderson wrote: > > On 6/7/21 9:58 AM, Peter Maydell wrote: > > +++ b/target/arm/mve.decode > > @@ -39,6 +39,8 @@ > > @1op_nosz .... .... .... .... .... .... .... .... &1op qd=%qd qm=%qm size=0 > > @2op .... .... .. size:2 .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn > > @2op_nosz .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn size=0 > > +@2op_sz28 .... .... .... .... .... .... .... .... &2op qd=%qd qm=%qm qn=%qn \ > > + size=%size_28 > > Move this back to VQDMULL[BT]_scalar, I think. Why? VQDMULL[BT]_scalar uses an entirely different format (as a scalar it uses the &2scalar arg struct with an rm field for the gp register). -- PMM