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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-36e4cfee676sm10654792f8f.49.2024.08.13.08.20.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Aug 2024 08:20:57 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 2/4] target/arm: Clear high SVE elements in handle_vec_simd_wshli Date: Tue, 13 Aug 2024 16:20:52 +0100 Message-Id: <20240813152054.2445099-3-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240813152054.2445099-1-peter.maydell@linaro.org> References: <20240813152054.2445099-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42a.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-bounces+patch=linaro.org@nongnu.org From: Richard Henderson AdvSIMD instructions are supposed to zero bits beyond 128. Affects SSHLL, USHLL, SSHLL2, USHLL2. Cc: qemu-stable@nongnu.org Signed-off-by: Richard Henderson Message-id: 20240717060903.205098-15-richard.henderson@linaro.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- target/arm/tcg/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 28a10135032..bc2d64e8835 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -10756,6 +10756,7 @@ static void handle_vec_simd_wshli(DisasContext *s, bool is_q, bool is_u, tcg_gen_shli_i64(tcg_rd, tcg_rd, shift); write_vec_element(s, tcg_rd, rd, i, size + 1); } + clear_vec_high(s, true, rd); } /* SHRN/RSHRN - Shift right with narrowing (and potential rounding) */