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[97.126.123.70]) by smtp.gmail.com with ESMTPSA id g13sm7558851pfo.169.2020.02.14.11.46.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 11:46:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Q4tpwQmU/GY5DYP8gwmfjDF7+GhkCh2mU6sZu+wMVTo=; b=aIL/6iZqb8svQMq2gMc6FZYFZXQS5/dpAxvOvYgf4atmsGl/3Ij2Fwtk7/9qztMwdl t+Kg8k9fb2VgmrZ1JZ6/ggspKB5SNTcKjnofgfYwFdlQsKb+uPNogRIreD2uP7qoH0MO 0r6wtm7x4oRP3yH864VPZMpa85TQ5rUaC2lNB4O3UwK8474h/qO7DANCZ/nvmI3XI91v gbrDyP17AEubmX13RYFyUk5JQzfYiDZfCMqf5zTAQ7HPOxa10rmWW6P1GYltyrSeMJch D55fzwsXz+BKe2+78fdX2bwPBSxqFKC4aOdFRAQCxeDt/32yAEYgaLrJMS5Rkfo1oQLk BXJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q4tpwQmU/GY5DYP8gwmfjDF7+GhkCh2mU6sZu+wMVTo=; b=qtm/iNSAwZXfIJkO0wG0ftRa5vI6j57M9iSV6D07WyVUCosFTP2mUpPCcAkqsc4OVV fdDoeyc8TTfQRRuggG9f94q1vT/Z2MptSz3J78RutOrWXjeYEmCT8skqIXekQjBCl0Yy 3uxEuzK167M8XRFU+gdTuSsO3y7oxeHUWFjrqDKmi07J5FlOxtMZba7CS+b9O1uML5y8 23w0HX6PCMAnPBOo+A/01yaDzk6KjOiFYow8Xnla/MYvFviksRdLPw1PeGWRsNpHPO3s cFjXW3PS/r4Q3XhwUf9RU3ZaxW7VfR3aSTDqTupL49Y71BvPR10BER0oo1E6GJEhmFOI x4CQ== X-Gm-Message-State: APjAAAU4EOTE1XAEkrPhfDgnz7hGE+dIkSCyvll447OJETD+apjjASfz EDBfnLe4/e+S8tPI2AvFrHo09FFLW0g= X-Google-Smtp-Source: APXvYqyCZcEI60cIRiwxOAliRiNtCxmLZocPLQIEFINFek62jnPc4/HH0zEW0601ugu0f4Fz+2hTJQ== X-Received: by 2002:a17:90a:a406:: with SMTP id y6mr5734073pjp.115.1581709606869; Fri, 14 Feb 2020 11:46:46 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/4] target/arm: Flush high bits of sve register after AdvSIMD EXT Date: Fri, 14 Feb 2020 11:46:40 -0800 Message-Id: <20200214194643.23317-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214194643.23317-1-richard.henderson@linaro.org> References: <20200214194643.23317-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::1042 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Writes to AdvSIMD registers flush the bits above 128. Buglink: https://bugs.launchpad.net/bugs/1863247 Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 7c26c3bfeb..620a429067 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -6895,6 +6895,7 @@ static void disas_simd_ext(DisasContext *s, uint32_t = insn) tcg_temp_free_i64(tcg_resl); write_vec_element(s, tcg_resh, rd, 1, MO_64); tcg_temp_free_i64(tcg_resh); + clear_vec_high(s, true, rd); } =20 /* TBL/TBX --=20 2.20.1