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Fri, 4 Aug 2023 23:46:24 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6813820049; Fri, 4 Aug 2023 23:46:24 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CFE6820040; Fri, 4 Aug 2023 23:46:23 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.179.4.122]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 4 Aug 2023 23:46:23 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand , Thomas Huth Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH] target/s390x: Check reserved bits of VFMIN/VFMAX's M5 Date: Sat, 5 Aug 2023 01:46:10 +0200 Message-ID: <20230804234621.252522-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: OE9M2ZKvrvqCZyy4lQitNx-lXFNvv7SQ X-Proofpoint-ORIG-GUID: LYLV7RhsDfSsyFHPS2g3jb2R8BAGkI5K X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-04_21,2023-08-03_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 mlxlogscore=871 suspectscore=0 impostorscore=0 mlxscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308040213 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org VFMIN and VFMAX should raise a specification exceptions when bits 1-3 of M5 are set. Cc: qemu-stable@nongnu.org Fixes: da4807527f3b ("s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)") Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/tcg/translate_vx.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index f8df121d3d3..b5d07d5ec53 100644 --- a/target/s390x/tcg/translate_vx.c.inc +++ b/target/s390x/tcg/translate_vx.c.inc @@ -3047,7 +3047,7 @@ static DisasJumpType op_vfmax(DisasContext *s, DisasOps *o) const uint8_t m5 = get_field(s, m5); gen_helper_gvec_3_ptr *fn; - if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13) { + if (m6 == 5 || m6 == 6 || m6 == 7 || m6 >= 13 || (m5 & 7)) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; }