| Message ID | 20230724082032.66864-8-iii@linux.ibm.com |
|---|---|
| State | New |
| Headers | show
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Mon, 24 Jul 2023 08:20:54 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B2B4120043; Mon, 24 Jul 2023 08:20:54 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A4C020040; Mon, 24 Jul 2023 08:20:54 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.11.212]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 24 Jul 2023 08:20:54 +0000 (GMT) From: Ilya Leoshkevich <iii@linux.ibm.com> To: Richard Henderson <richard.henderson@linaro.org>, David Hildenbrand <david@redhat.com>, Thomas Huth <thuth@redhat.com> Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich <iii@linux.ibm.com>, qemu-stable@nongnu.org Subject: [PATCH v4 07/14] target/s390x: Fix assertion failure in VFMIN/VFMAX with type 13 Date: Mon, 24 Jul 2023 10:16:00 +0200 Message-ID: <20230724082032.66864-8-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230724082032.66864-1-iii@linux.ibm.com> References: <20230724082032.66864-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 6ClAbMwEBITQI-f5V_5pBwX1MN5-GDLF X-Proofpoint-ORIG-GUID: ZUoondiuYYMRtrri9ER9vuliS-bYoOnX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-24_06,2023-07-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxscore=0 mlxlogscore=999 bulkscore=0 adultscore=0 impostorscore=0 phishscore=0 spamscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307240071 Received-SPF: pass client-ip=148.163.158.5; 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| Series |
target/s390x: Miscellaneous TCG fixes, part 2
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diff --git a/target/s390x/tcg/translate_vx.c.inc b/target/s390x/tcg/translate_vx.c.inc index 43dfbfd03f6..f8df121d3d3 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) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; }
Type 13 is reserved, so using it should result in specification exception. Due to an off-by-1 error the code triggers an assertion at a later point in time instead. Cc: qemu-stable@nongnu.org Fixes: da4807527f3b ("s390x/tcg: Implement VECTOR FP (MAXIMUM|MINIMUM)") Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> --- target/s390x/tcg/translate_vx.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)