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Tue, 25 Jan 2022 12:29:17 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 20PCTFBC37552478 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 25 Jan 2022 12:29:15 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3BBC65205A; Tue, 25 Jan 2022 12:29:15 +0000 (GMT) Received: from t46lp57.lnxne.boe (unknown [9.152.108.100]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id DCD4A52051; Tue, 25 Jan 2022 12:29:14 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : content-transfer-encoding : mime-version; s=pp1; bh=emwkbs6YjOuH3VFhZtvs7dxU1IGRDZDvVQtbya4xOk4=; b=AwPeAL+9nleKpFSLoMgMLZKWlWnE2BTu7i+jgg3xbFuWK2r+/RzRHYbswjREIEdtIqMA cHbXsVsOC6P7pGiWkvL4OJVdOgQvlOw/qJ2x35rW3yjkaJRduOfNQdARbj0uZTYnN2B3 slsqb7Qf4QgtFabq+ZA2Yc11yWyiW/TeVVI3Ry0F3BdznhvDDRWSoPmXVFmYG09IZya0 cH4g0R05z2MHgBScAzW3g7OUZw04GIXtMLgdtDM1wIX+6ALrcEnG2JnwkzV93B0I4uuK E59/GC4y2ZSZKpuhfiRkn1pFT1XmhBUVU3aHiZLe84HrMFssVd/LteWvymxxFofZ+POy Ew== From: Nico Boehr To: qemu-devel@nongnu.org Subject: [PATCH qemu] s390x: sck: load into a temporary not into in1 Date: Tue, 25 Jan 2022 13:29:14 +0100 Message-Id: <20220125122914.567599-1-nrb@linux.ibm.com> X-Mailer: git-send-email 2.31.1 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: KRxqDOvoE6pHizKyx_EAa8yxpDmr6S8I X-Proofpoint-ORIG-GUID: WcGOCJE45nR-JYG7_Y-bXXO0gb43Zp1e Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-25_02,2022-01-25_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 malwarescore=0 spamscore=0 phishscore=0 lowpriorityscore=0 clxscore=1011 priorityscore=1501 impostorscore=0 mlxscore=0 bulkscore=0 mlxlogscore=865 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2201250078 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=nrb@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_H2=-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: , Cc: linux-s390@vger.kernel.org, thuth@redhat.com, richard.henderson@linaro.org, david@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1643116364877100001 Content-Type: text/plain; charset="utf-8" We previously loaded into in1, but in1 is not filled during disassembly and hence always zero. This leads to an assertion failure: qemu-system-s390x: /home/nrb/qemu/include/tcg/tcg.h:654: temp_idx: Assertion `n >=3D 0 && n < tcg_ctx->nb_temps' failed.` Instead, load into a temporary and pass that to the helper. This fixes the SCK test I sent here under TCG: Signed-off-by: Nico Boehr Suggested-by? --- target/s390x/tcg/translate.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 46dea733571e..dc0baec5a5f4 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -4290,9 +4290,16 @@ static DisasJumpType op_stcke(DisasContext *s, Disas= Ops *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_sck(DisasContext *s, DisasOps *o) { - tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEUQ | MO_A= LIGN); - gen_helper_sck(cc_op, cpu_env, o->in1); + TCGv_i64 t1; + + t1 =3D tcg_temp_new_i64(); + + tcg_gen_qemu_ld_i64(t1, o->addr1, get_mem_index(s), MO_TEUQ | MO_ALIGN= ); + gen_helper_sck(cc_op, cpu_env, t1); set_cc_static(s); + + tcg_temp_free_i64(t1); + return DISAS_NEXT; } =20 --=20 2.31.1