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[2001:4830:134:3::11]) by mx.google.com with ESMTPS id p185-v6si119269qkf.387.2018.05.15.07.13.15 for (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 15 May 2018 07:13:16 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) client-ip=2001:4830:134:3::11; Authentication-Results: mx.google.com; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 2001:4830:134:3::11 as permitted sender) smtp.mailfrom=qemu-devel-bounces+patch=linaro.org@nongnu.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:39984 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIahX-0007bx-Fd for patch@linaro.org; Tue, 15 May 2018 10:13:15 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39597) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIabm-0003pt-Bl for qemu-devel@nongnu.org; Tue, 15 May 2018 10:07:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fIabi-0002qA-En for qemu-devel@nongnu.org; Tue, 15 May 2018 10:07:18 -0400 Received: from orth.archaic.org.uk ([2001:8b0:1d0::2]:41682) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fIabi-0002pO-8b for qemu-devel@nongnu.org; Tue, 15 May 2018 10:07:14 -0400 Received: from pm215 by orth.archaic.org.uk with local (Exim 4.89) (envelope-from ) id 1fIabh-0001Q9-Bp for qemu-devel@nongnu.org; Tue, 15 May 2018 15:07:13 +0100 From: Peter Maydell To: qemu-devel@nongnu.org Date: Tue, 15 May 2018 15:06:58 +0100 Message-Id: <20180515140707.15957-8-peter.maydell@linaro.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180515140707.15957-1-peter.maydell@linaro.org> References: <20180515140707.15957-1-peter.maydell@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2001:8b0:1d0::2 Subject: [Qemu-devel] [PULL 07/16] target/arm: Implement FCVT (scalar, fixed-point) for fp16 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: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" From: Richard Henderson Cc: qemu-stable@nongnu.org Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson Tested-by: Alex Bennée Message-id: 20180512003217.9105-5-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/translate-a64.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) -- 2.17.0 diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 93fb15d185..d0ed125442 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5697,8 +5697,21 @@ static void disas_fp_fixed_conv(DisasContext *s, uint32_t insn) bool sf = extract32(insn, 31, 1); bool itof; - if (sbit || (type > 1) - || (!sf && scale < 32)) { + if (sbit || (!sf && scale < 32)) { + unallocated_encoding(s); + return; + } + + switch (type) { + case 0: /* float32 */ + case 1: /* float64 */ + break; + case 3: /* float16 */ + if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + break; + } + /* fallthru */ + default: unallocated_encoding(s); return; }