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Tue, 18 Jul 2023 21:35:44 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0267620040; Tue, 18 Jul 2023 21:35:44 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.14.165]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 18 Jul 2023 21:35:43 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand , Thomas Huth Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich , qemu-stable@nongnu.org Subject: [PATCH 03/14] target/s390x: Fix CONVERT TO LOGICAL/FIXED with out-of-range inputs Date: Tue, 18 Jul 2023 23:21:04 +0200 Message-ID: <20230718213531.117976-4-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230718213531.117976-1-iii@linux.ibm.com> References: <20230718213531.117976-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: YeSLvhPWDWqa82RDVy5d4CY5sU0tBNct X-Proofpoint-GUID: VPA2NEiJNmDspmE6DZplkKSEHJS0XPL9 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=2023-07-18_16,2023-07-18_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 spamscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 mlxscore=0 mlxlogscore=983 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307180192 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, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org CONVERT TO LOGICAL/FIXED deviate from IEEE 754 in that they raise an inexact exception on out-of-range inputs. float_flag_invalid_cvti aligns nicely with that behavior, so convert it to S390_IEEE_MASK_INEXACT. Cc: qemu-stable@nongnu.org Fixes: defb0e3157af ("s390x: Implement opcode helpers") Signed-off-by: Ilya Leoshkevich Reviewed-by: David Hildenbrand --- target/s390x/tcg/fpu_helper.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/s390x/tcg/fpu_helper.c b/target/s390x/tcg/fpu_helper.c index 4b7fa58af3e..3d941ed2d28 100644 --- a/target/s390x/tcg/fpu_helper.c +++ b/target/s390x/tcg/fpu_helper.c @@ -52,7 +52,8 @@ uint8_t s390_softfloat_exc_to_ieee(unsigned int exc) s390_exc |= (exc & float_flag_divbyzero) ? S390_IEEE_MASK_DIVBYZERO : 0; s390_exc |= (exc & float_flag_overflow) ? S390_IEEE_MASK_OVERFLOW : 0; s390_exc |= (exc & float_flag_underflow) ? S390_IEEE_MASK_UNDERFLOW : 0; - s390_exc |= (exc & float_flag_inexact) ? S390_IEEE_MASK_INEXACT : 0; + s390_exc |= (exc & (float_flag_inexact | float_flag_invalid_cvti)) ? + S390_IEEE_MASK_INEXACT : 0; return s390_exc; }