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Sat, 12 Mar 2022 09:25:44 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 23E6A4203F; Sat, 12 Mar 2022 09:25:44 +0000 (GMT) Received: from heavy.lan (unknown [9.171.29.97]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Sat, 12 Mar 2022 09:25:44 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand , Cornelia Huck , Thomas Huth Subject: [PATCH v2 1/3] s390x/tcg: Fix BRASL with a large negative offset Date: Sat, 12 Mar 2022 10:25:39 +0100 Message-Id: <20220312092541.585282-2-iii@linux.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220312092541.585282-1-iii@linux.ibm.com> References: <20220312092541.585282-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: felI48hXF8KqfefXlBxSn98Stk3bMayq X-Proofpoint-GUID: hIbI-8-RbDMms3_ORD3pP9QStxQqDaqb X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-12_03,2022-03-11_02,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 adultscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 mlxlogscore=920 clxscore=1015 spamscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203120053 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-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, T_SCC_BODY_TEXT_LINE=-0.01 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: , Cc: Christian Borntraeger , qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" When RI2 is 0x80000000, qemu enters an infinite loop instead of jumping backwards. Fix by adding a missing cast, like in in2_ri2(). Fixes: 8ac33cdb8bfb ("Convert BRANCH AND SAVE") Reviewed-by: David Hildenbrand Signed-off-by: Ilya Leoshkevich --- target/s390x/tcg/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 904b51542f..41c8696185 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -1597,7 +1597,7 @@ static DisasJumpType op_bal(DisasContext *s, DisasOps *o) static DisasJumpType op_basi(DisasContext *s, DisasOps *o) { pc_to_link_info(o->out, s, s->pc_tmp); - return help_goto_direct(s, s->base.pc_next + 2 * get_field(s, i2)); + return help_goto_direct(s, s->base.pc_next + (int64_t)get_field(s, i2) * 2); } static DisasJumpType op_bc(DisasContext *s, DisasOps *o) -- 2.35.1