From nobody Thu May 8 07:03:52 2025
Delivered-To: importer@patchew.org
Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as
permitted sender) client-ip=208.118.235.17;
envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org;
helo=lists.gnu.org;
Authentication-Results: mx.zohomail.com;
spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted
sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org;
dmarc=fail(p=none dis=none) header.from=linaro.org
Return-Path: <qemu-devel-bounces+importer=patchew.org@nongnu.org>
Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by
mx.zohomail.com
with SMTPS id 1526393547811409.3891654665989;
Tue, 15 May 2018 07:12:27 -0700 (PDT)
Received: from localhost ([::1]:39984 helo=lists.gnu.org)
by lists.gnu.org with esmtp (Exim 4.71)
(envelope-from <qemu-devel-bounces+importer=patchew.org@nongnu.org>)
id 1fIagl-0007bx-0a
for importer@patchew.org; Tue, 15 May 2018 10:12:27 -0400
Received: from eggs.gnu.org ([2001:4830:134:3::10]:39597)
by lists.gnu.org with esmtp (Exim 4.71)
(envelope-from <pm215@archaic.org.uk>) 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 <pm215@archaic.org.uk>) 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 <pm215@archaic.org.uk>)
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 <pm215@archaic.org.uk>) id 1fIabh-0001Q9-Bp
for qemu-devel@nongnu.org; Tue, 15 May 2018 15:07:13 +0100
From: Peter Maydell <peter.maydell@linaro.org>
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
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: 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: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org
Sender: "Qemu-devel" <qemu-devel-bounces+importer=patchew.org@nongnu.org>
X-ZohoMail: RSF_0 Z_629925259 SPT_0
From: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-stable@nongnu.org
Reviewed-by: Alex Benn=C3=A9e <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Alex Benn=C3=A9e <alex.bennee@linaro.org>
Message-id: 20180512003217.9105-5-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
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