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Wed, 26 Jan 2022 08:42:04 +0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 20Q8g2EN31392034 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 26 Jan 2022 08:42:02 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4AB7A5204F; Wed, 26 Jan 2022 08:42:02 +0000 (GMT) Received: from t46lp57.lnxne.boe (unknown [9.152.108.100]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 03A415204E; Wed, 26 Jan 2022 08:42:01 +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=p+YI+iN3bc/74H1C+T2icE0+x3L7F1FZU4LF2apsySc=; b=h4z6/3E8gRfgo0G4Sd76bLBVQ6uqMfLYmGSdLDUsN15h8PUGDeFtnLhriPjLhdNTvAyG yWtCCgjXzM35PJ46mmNX0kXy0+lvpd7llNpQr4vbyapgBNkvErleSaMX1tKEmNCUEFry /ciOQE8RsRs1Xwr86miZ2zcAlc5pGK4F2MWACngvBXV2lPu8GLTVtXWvN6o69ZC2EI54 WO/Q94FPeHr/zNiyuwLaZJRD1JE1rzIBrG8eVMg/Pv+JlAYNo8x67ONPAifh52v8i5Nb I0DttRbb71GD3dVFyd05w6w0bIxozpx4hishi5ZhGaqwofxkwfCvZRzgDDrA3XtPAg+Q KQ== From: Nico Boehr To: qemu-devel@nongnu.org Subject: [PATCH qemu v2] s390x: sck: load into a temporary not into in1 Date: Wed, 26 Jan 2022 09:42:01 +0100 Message-Id: <20220126084201.774457-1-nrb@linux.ibm.com> X-Mailer: git-send-email 2.31.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: dswzQ1BNB8KJRcftcFiFlw7WgODVlTUy X-Proofpoint-GUID: FNRvmUGG6LpYsYHwcG3wbjrR6AjvTaRp 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=2022-01-26_02,2022-01-25_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 clxscore=1015 suspectscore=0 bulkscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 priorityscore=1501 lowpriorityscore=0 spamscore=0 impostorscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2201260049 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=148.163.156.1; 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: 1643186675701100001 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, use in2_la2_m64a to load from storage into in2 and pass that to the helper, which matches what we already do for SCKC. This fixes the SCK test I sent here under TCG: Suggested-by: David Hildenbrand Signed-off-by: Nico Boehr Reviewed-by: David Hildenbrand --- target/s390x/tcg/insn-data.def | 2 +- target/s390x/tcg/translate.c | 3 +-- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/target/s390x/tcg/insn-data.def b/target/s390x/tcg/insn-data.def index 3e5594210c88..848a9c9e622f 100644 --- a/target/s390x/tcg/insn-data.def +++ b/target/s390x/tcg/insn-data.def @@ -1317,7 +1317,7 @@ /* SET ADDRESS SPACE CONTROL FAST */ F(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0, IF_PRIV) /* SET CLOCK */ - F(0xb204, SCK, S, Z, la2, 0, 0, 0, sck, 0, IF_PRIV | IF_IO) + F(0xb204, SCK, S, Z, 0, m2_64a, 0, 0, sck, 0, IF_PRIV | IF_I= O) /* SET CLOCK COMPARATOR */ F(0xb206, SCKC, S, Z, 0, m2_64a, 0, 0, sckc, 0, IF_PRIV | IF_= IO) /* SET CLOCK PROGRAMMABLE FIELD */ diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index dcc249a197ce..7fb87cd9f3b7 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -4295,8 +4295,7 @@ static DisasJumpType op_stcke(DisasContext *s, DisasO= ps *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_TEQ | MO_AL= IGN); - gen_helper_sck(cc_op, cpu_env, o->in1); + gen_helper_sck(cc_op, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; } --=20 2.31.1