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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id bi12-20020a05600c3d8c00b003974b95d897sm10232152wmb.37.2022.05.30.09.08.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 May 2022 09:08:26 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 083/117] target/arm: Implement NOT (prediates) alias Date: Mon, 30 May 2022 17:06:34 +0100 Message-Id: <20220530160708.726466-84-peter.maydell@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220530160708.726466-1-peter.maydell@linaro.org> References: <20220530160708.726466-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::332; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x332.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, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson This alias is defined on EOR (prediates). While the same operation could be performed with NAND or NOR, only bother with the official alias. Signed-off-by: Richard Henderson Message-id: 20220527181907.189259-81-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/translate-sve.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index f33bc9d480b..b6b5980e2db 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -1381,6 +1381,11 @@ static bool trans_EOR_pppp(DisasContext *s, arg_rprr_s *a) .fno = gen_helper_sve_eor_pppp, .prefer_i64 = TCG_TARGET_REG_BITS == 64, }; + + /* Alias NOT (predicate) is EOR Pd.B, Pg/Z, Pn.B, Pg.B */ + if (!a->s && a->pg == a->rm) { + return gen_gvec_fn_ppp(s, tcg_gen_gvec_andc, a->rd, a->pg, a->rn); + } return do_pppp_flags(s, a, &op); }