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Wed, 15 Mar 2023 23:57:00 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4488620043; Wed, 15 Mar 2023 23:57:00 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.19.28]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 15 Mar 2023 23:57:00 +0000 (GMT) From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand , Thomas Huth Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 2/2] tests/tcg/s390x: Add rxsbg.c Date: Thu, 16 Mar 2023 00:56:42 +0100 Message-Id: <20230315235642.118002-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230315235642.118002-1-iii@linux.ibm.com> References: <20230315235642.118002-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: UFQsl4CAgH3MpxgqJTF6WAyh8gL5IzxU X-Proofpoint-GUID: 2OvO0yEPiCIbvQx2t1EgOiBjEqqV_oxr X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-15_12,2023-03-15_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 impostorscore=0 mlxlogscore=912 clxscore=1015 malwarescore=0 lowpriorityscore=0 spamscore=0 mlxscore=0 adultscore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303150002 definitions=main-2303150192 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@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, 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add a small test for RXSBG with T=1 to prevent regressions. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 3 +++ tests/tcg/s390x/rxsbg.c | 46 +++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+) create mode 100644 tests/tcg/s390x/rxsbg.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index cf93b966862..3c940ac952e 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -29,10 +29,13 @@ TESTS+=clst TESTS+=long-double TESTS+=cdsg TESTS+=chrl +TESTS+=rxsbg cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread +rxsbg: CFLAGS+=-O2 + Z13_TESTS=vistr $(Z13_TESTS): CFLAGS+=-march=z13 -O2 TESTS+=$(Z13_TESTS) diff --git a/tests/tcg/s390x/rxsbg.c b/tests/tcg/s390x/rxsbg.c new file mode 100644 index 00000000000..4b155db304e --- /dev/null +++ b/tests/tcg/s390x/rxsbg.c @@ -0,0 +1,46 @@ +/* + * Test the RXSBG instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +static inline __attribute__((__always_inline__)) void +rxsbg(unsigned long *r1, unsigned long r2, int i3, int i4, int i5, int *cc) +{ + asm("rxsbg %[r1],%[r2],%[i3],%[i4],%[i5]\n" + "ipm %[cc]" + : [r1] "+r" (*r1), [cc] "=r" (*cc) + : [r2] "r" (r2) , [i3] "i" (i3) , [i4] "i" (i4) , [i5] "i" (i5) + : "cc"); + *cc = (*cc >> 28) & 3; +} + +void test_cc0(void) +{ + unsigned long r1 = 6; + int cc; + + rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc); + assert(r1 == 6); + assert(cc == 0); +} + +void test_cc1(void) +{ + unsigned long r1 = 2; + int cc; + + rxsbg(&r1, 3, 61 | 0x80, 62, 1, &cc); + assert(r1 == 2); + assert(cc == 1); +} + +int main(void) +{ + test_cc0(); + test_cc1(); + + return EXIT_SUCCESS; +}