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Tue, 4 Jul 2023 08:15:44 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 42BE42004B; Tue, 4 Jul 2023 08:15:44 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AE9DF20049; Tue, 4 Jul 2023 08:15:43 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.179.30.217]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 4 Jul 2023 08:15:43 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand Cc: Thomas Huth , qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 11/12] tests/tcg/s390x: Test MDEB and MDEBR Date: Tue, 4 Jul 2023 10:12:35 +0200 Message-ID: <20230704081506.276055-12-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230704081506.276055-1-iii@linux.ibm.com> References: <20230704081506.276055-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: OW2ztK9Eiea1N1tqqz-VPoshTG8SHVma X-Proofpoint-GUID: TY2KwDRVJrr-DFf11KEdnXBvkuF_O4Fn 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=2023-07-04_04,2023-06-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 bulkscore=0 impostorscore=0 phishscore=0 priorityscore=1501 spamscore=0 suspectscore=0 mlxscore=0 lowpriorityscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307040065 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Add a small test to prevent regressions. Acked-by: David Hildenbrand Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/mdeb.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 tests/tcg/s390x/mdeb.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index dbf64c991e9..19fbbc6e531 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -38,6 +38,7 @@ TESTS+=ex-branch TESTS+=mxdb TESTS+=epsw TESTS+=larl +TESTS+=mdeb cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/mdeb.c b/tests/tcg/s390x/mdeb.c new file mode 100644 index 00000000000..4897d28069f --- /dev/null +++ b/tests/tcg/s390x/mdeb.c @@ -0,0 +1,30 @@ +/* + * Test the MDEB and MDEBR instructions. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +int main(void) +{ + union { + float f[2]; + double d; + } a; + float b; + + a.f[0] = 1.2345; + a.f[1] = 999; + b = 6.789; + asm("mdeb %[a],%[b]" : [a] "+f" (a.d) : [b] "R" (b)); + assert(a.d > 8.38 && a.d < 8.39); + + a.f[0] = 1.2345; + a.f[1] = 999; + b = 6.789; + asm("mdebr %[a],%[b]" : [a] "+f" (a.d) : [b] "f" (b)); + assert(a.d > 8.38 && a.d < 8.39); + + return EXIT_SUCCESS; +}