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[76.173.164.138]) by smtp.gmail.com with ESMTPSA id z127sm27767966pfb.72.2018.04.24.18.23.17 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Apr 2018 18:23:18 -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; bh=G737kt/S5OrmE3LHlBoTNTT6qSAVbYh6VUnHdxp5Ajs=; b=gnfAGaALw4hHglsrpa0GLGcspaKZkpjSV4/CtF36szuu217/uoaH/NMLxXT+qMxWnO quCFWjitdDKOpFpiUzHF/XoQeFSaLlaZ1MQqTEDQ83q6yqCJJQZU6D2mubw4wfnUDvvZ LnWf63Hb7VKywJ/YDn+I+5gBgtaQCFb5TgbTc= 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; bh=G737kt/S5OrmE3LHlBoTNTT6qSAVbYh6VUnHdxp5Ajs=; b=cKpFUZ7Y8JlnRQ35tM3xS2n8mXDy8TlcT6cF9CjI2DPfs+P7XyQEiCwmbouyF23XSP Bn1+vSm1Z2G/1WfYxTP52mborZpHFLEzdnHhezAUyQGv3tDSZDiQRoo+VZB/80ECmycj wuW6+B5LziVMlHwo+D6pi/yavIEs6D2VTySWd6bjt8BMUlLxFmUPIhfOYgTZHgin0FBr f/w713lWpSk9DfFTPLqEbRio2Tv5HqTfinB3FLNlj7nWdHCTJBQ0wR8kS1BPP1O0Jr4B MkwPK3itxozc/jiqYtI8h6eCmSeKhOtGK0jK5ySW5zrsYNs18IpNX7cUlOYoRmCTN1gJ OCQg== X-Gm-Message-State: ALQs6tDMk6MACT61XpAyswE3V9TLCHVXaCVtjwyF9M52cFHBwcmse4OB PdXMTirfxFHBjmGvOdRlmXLrxWIWtR4= X-Google-Smtp-Source: AIpwx48DHafXzE9IJ4rTghDOglDMi0gy1zmPzvR1BIMfO8aE7giDR4rE8Bb3bZQTX7jFm2H44bnuUA== X-Received: by 10.99.145.196 with SMTP id l187mr21979569pge.261.1524619399321; Tue, 24 Apr 2018 18:23:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 24 Apr 2018 15:22:58 -1000 Message-Id: <20180425012300.14698-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180425012300.14698-1-richard.henderson@linaro.org> References: <20180425012300.14698-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::242 Subject: [Qemu-devel] [PATCH 7/9] 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 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 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --- 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 4f6317aa0f..794ede7222 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5372,8 +5372,7 @@ static void disas_fp_fixed_conv(DisasContext *s, uint= 32_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; } @@ -5392,6 +5391,20 @@ static void disas_fp_fixed_conv(DisasContext *s, uin= t32_t insn) return; } =20 + 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; + } + if (!fp_access_check(s)) { return; } --=20 2.14.3