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[97.113.2.170]) by smtp.gmail.com with ESMTPSA id v186-v6sm7599735pfb.45.2018.05.11.17.32.24 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 11 May 2018 17:32:25 -0700 (PDT) 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=6bdRmNY9EBI86U7FdesDXir0dyAmVZgVaLPl9qWN0QM=; b=VlTrxvVudNqG3dOcISEJaQjvvVcGBEH/0VQ5LQHMUIFyRIo+YEdStRlizxpJMy/dDx bAgZpkZ2O4I/qDLiAi31Ra/sPPIuzjaqqhU8u2Alp5eDmhbO5tDg3nfHa3mU0wD+UvQl DaepaRFu2qZgRDc5gGSkXnsIYhqAUItGsf+9w= 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=6bdRmNY9EBI86U7FdesDXir0dyAmVZgVaLPl9qWN0QM=; b=go9GA3Dys93vHLERYglT8deuyfeEGIyT+uExMlnWwGhBGFQNtcnb4e2Nx2sVZfJMmh 7sjRtUK9fds6WCp9rXAyTmkvLhXza9CSSQTfHxlYC67Zhd3lf/UNWmZsRN6tk9HEJzPa 9sXEVrhAxvxVgWcBw7Vxln2iWgP6xb+lUr5qhwd0oRyBvSFNhMxtS8AO9LZBAaSzuKkf Aj31wLrlmMdnaNGRYtAopEDBpwQ5sKGGNAdWO37pMSHiC0SqXveSTFX13kD16GxutvN9 7yvhZUP2YeXHWVZq2AbrczxAtV6j+hCeJT23aBdxtxgDWsFecTtTsvKSo4s6g4J5rCgu BPVw== X-Gm-Message-State: ALKqPweWpilDAG9JWh83RkdC8vD4cJMZJGR63VuzeLNk+YAVIRRpCPhK 2HHrurO7mgJqF5YRCMbuQtB2qi+p/ik= X-Google-Smtp-Source: AB8JxZopHqPoPcHCVNv9eC/bFAQydw5FqYTjB1xJEUyRN60byEuxI7y98sroAWldyrGmxXsyWO++EA== X-Received: by 2002:a17:902:a60d:: with SMTP id u13-v6mr281185plq.40.1526085145971; Fri, 11 May 2018 17:32:25 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Fri, 11 May 2018 17:32:10 -0700 Message-Id: <20180512003217.9105-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180512003217.9105-1-richard.henderson@linaro.org> References: <20180512003217.9105-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c01::244 Subject: [Qemu-devel] [PATCH v4 04/11] 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: , Cc: peter.maydell@linaro.org, alex.bennee@linaro.org, qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Cc: qemu-stable@nongnu.org Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) 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, uin= t32_t insn) bool sf =3D extract32(insn, 31, 1); bool itof; =20 - 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; } --=20 2.17.0