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[97.113.2.170]) by smtp.gmail.com with ESMTPSA id 65sm26170145pft.74.2018.05.02.15.16.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 02 May 2018 15:16:10 -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=/7J+dDkSM4Xa1wJSgJjRgLbXvJcp4wTSzR2jMj2N0bo=; b=jglgpfj8DC/RkpFTtU7vE3OR4pf+ON78LNY9WZmzws6i+pUNZALYLywCxLS3sTjmoa 14Wjq8YEYC4LDPMAZlRV5qj4URehqV40eCTQRSP+sns2ckeiAtV28pdbMMuHCIWHxL6L 01rU+3bLJcIHOYryAvX3JHFkFAf/2ZI+yZIEg= 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=/7J+dDkSM4Xa1wJSgJjRgLbXvJcp4wTSzR2jMj2N0bo=; b=t5brm1AZTtXAdeTEcYmFs3BYftkPhtga2vadiRHkQ1aKczxTOhmduYMtivxRwzMh8O fHwJyl4UfzELOjHtWgAnjwJ8sw5vdWP4rpypkFm/lekpjbjzrLRzWk6inv403ShEXpZm wJSlKC427x90oRfiPyHoQNGaYd6G+A+75oP7ptPwaZIam9ezJeYBKITSe4+8UM0c0aDE 77PD11i2YtzVyKG5VOibfUlsxAErUUuVE6L2aMdy5UTmFBr/Rsl4BstO1eNIMqPTAedq RDe09Jmzo4w1WjaQOGoWPTT5e+BnrpAaKjULzhbjUWZITfcKfZRBY05fC0/1HL20tUCV jHcA== X-Gm-Message-State: ALQs6tAin+fula/RkmnhdBcoZi7GN2PsrIJYpNfv59TZTP13tjgJy0OG 8bw6mVr0m8MxZLsQK99wcgM4WXU34x0= X-Google-Smtp-Source: AB8JxZpv4NiE6j0ciqOw7SonTa8zQJnD4ZmLY5ZUluEkjpDMfP3zcR0q0qPWfh8O/tmIHdIAk+QqBA== X-Received: by 2002:a17:902:76c1:: with SMTP id j1-v6mr21452037plt.284.1525299371717; Wed, 02 May 2018 15:16:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 2 May 2018 15:15:51 -0700 Message-Id: <20180502221552.3873-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180502221552.3873-1-richard.henderson@linaro.org> References: <20180502221552.3873-1-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:c05::244 Subject: [Qemu-devel] [PATCH v2 13/14] target/arm: Implement FMOV (immediate) 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, qemu-arm@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , 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 From: Alex Benn=C3=A9e All the hard work is already done by vfp_expand_imm, we just need to make sure we pick up the correct size. Cc: qemu-stable@nongnu.org Signed-off-by: Alex Benn=C3=A9e [rth: Merge unallocated_encoding check with TCGMemOp conversion.] Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/translate-a64.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 1ea5185f14..b73d6d96cd 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5437,11 +5437,25 @@ static void disas_fp_imm(DisasContext *s, uint32_t = insn) { int rd =3D extract32(insn, 0, 5); int imm8 =3D extract32(insn, 13, 8); - int is_double =3D extract32(insn, 22, 2); + int type =3D extract32(insn, 22, 2); uint64_t imm; TCGv_i64 tcg_res; + TCGMemOp sz; =20 - if (is_double > 1) { + switch (type) { + case 0: + sz =3D MO_32; + break; + case 1: + sz =3D MO_64; + break; + case 3: + sz =3D MO_16; + if (arm_dc_feature(s, ARM_FEATURE_V8_FP16)) { + break; + } + /* fallthru */ + default: unallocated_encoding(s); return; } @@ -5450,7 +5464,7 @@ static void disas_fp_imm(DisasContext *s, uint32_t in= sn) return; } =20 - imm =3D vfp_expand_imm(MO_32 + is_double, imm8); + imm =3D vfp_expand_imm(sz, imm8); =20 tcg_res =3D tcg_const_i64(imm); write_fp_dreg(s, rd, tcg_res); --=20 2.14.3