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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id w80sm3876678wme.38.2019.01.29.06.04.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 29 Jan 2019 06:04:14 -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=Q3EgdZXoJH70u4Sb1K0DUazGB/+/w1o7y9u65M6WktQ=; b=H7TNUIbVdxWulQ9crlP8c3aZXl3w39OT4d/aBQpKfeI/2uhlB2fqjejd0NddGmQyya oxsYwej4AAeYwOx/d/08gRkgyzUpsnctCoIdqVan/p0lQ4p+jAzK4r2gyQAFRZzljn+r LXlbkw6uY7oa3O+STKTcfBaAYfPt4qa7ujXII= 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=Q3EgdZXoJH70u4Sb1K0DUazGB/+/w1o7y9u65M6WktQ=; b=BJvkily/zHI+Fgi4yP0mzrcKFoXUoDTCjRHQlnFA0x6uOyHkHkEDYriYVJTE1M8mH9 xJCfy00sdp/8YU4Uo40LAByHA4wsB42CMdyegV/52nJ8ZQ53xDN+254/q6wVIqsKodue Y5vyWjWs7HluhEzQy+6HL22YcFJfFqFicNLf1jOu71ZnwCv2JM8ymLPpL3+dcKyZ7pDc qOUrFI/sfbnmN/hxgmur4jLJG+JC/0KyHo0HECQzZz9Lsq6JCSqR3NMUQLKaa7MbpEHo rLUs1DV5ZuyzM9gmmr4FFNpB5tqGkaNVq8API/9RYhMXxX511YxyvFG+OTQekk3XH/kY pHGA== X-Gm-Message-State: AJcUukfGZ0O/96UEy/WHDaJjUJNpfDHIv9yUumEWeU+K7h04LFuRisIN HUIgVc1/r1gHDMLfQAn+wWxW2vhz5FiARA== X-Google-Smtp-Source: ALg8bN6z/E3pigy7huK0sSRm+N7sAtQYKawHqvlN1su+dmi97ZyIO1s73dUS0KRwgI39whiyUHfLyQ== X-Received: by 2002:adf:f785:: with SMTP id q5mr27401309wrp.9.1548770655162; Tue, 29 Jan 2019 06:04:15 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Date: Tue, 29 Jan 2019 14:04:10 +0000 Message-Id: <20190129140411.682-2-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190129140411.682-1-peter.maydell@linaro.org> References: <20190129140411.682-1-peter.maydell@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: 2a00:1450:4864:20::441 Subject: [Qemu-devel] [PATCH 1/2] target/arm/translate-a64: Fix FCMLA decoding error X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Desnogues , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" The FCMLA (by element) instruction exists in the "vector x indexed element" encoding group, but not in the "scalar x indexed element" group. Correctly UNDEF the unallocated encodings. Reported-by: Laurent Desnogues Signed-off-by: Peter Maydell Reviewed-by: Laurent Desnogues --- target/arm/translate-a64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 30bc2412fc0..a7b999d2b5a 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -12650,7 +12650,7 @@ static void disas_simd_indexed(DisasContext *s, uin= t32_t insn) case 0x13: /* FCMLA #90 */ case 0x15: /* FCMLA #180 */ case 0x17: /* FCMLA #270 */ - if (!dc_isar_feature(aa64_fcma, s)) { + if (is_scalar || !dc_isar_feature(aa64_fcma, s)) { unallocated_encoding(s); return; } --=20 2.20.1