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Mon, 18 Mar 2024 16:26:38 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CE2F120075; Mon, 18 Mar 2024 16:26:35 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6CA0720040; Mon, 18 Mar 2024 16:26:35 +0000 (GMT) Received: from heavy.ibm.com (unknown [9.171.85.188]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 18 Mar 2024 16:26:35 +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 2/2] tests/tcg/s390x: Test TEST AND SET Date: Mon, 18 Mar 2024 17:26:06 +0100 Message-ID: <20240318162633.13017-2-iii@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240318162633.13017-1-iii@linux.ibm.com> References: <20240318162633.13017-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: huPjsMf7ZMZWIOW1Kuh8r_z8WUJEiJmP X-Proofpoint-ORIG-GUID: bliOuRkP8V7RRHDHtcr4pF1ssO8ll4iF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-18_12,2024-03-18_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 bulkscore=0 malwarescore=0 spamscore=0 clxscore=1011 mlxlogscore=823 suspectscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403140000 definitions=main-2403180122 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_H4=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. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/ts.c | 35 +++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 tests/tcg/s390x/ts.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index e2aba2ec274..a8f86c94498 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -47,6 +47,7 @@ TESTS+=add-logical-with-carry TESTS+=lae TESTS+=cvd TESTS+=cvb +TESTS+=ts cdsg: CFLAGS+=-pthread cdsg: LDFLAGS+=-pthread diff --git a/tests/tcg/s390x/ts.c b/tests/tcg/s390x/ts.c new file mode 100644 index 00000000000..441faf30d98 --- /dev/null +++ b/tests/tcg/s390x/ts.c @@ -0,0 +1,35 @@ +/* + * Test the TEST AND SET instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +static int ts(char *p) +{ + int cc; + + asm("ts %[p]\n" + "ipm %[cc]" + : [cc] "=r" (cc) + , [p] "+Q" (*p) + : : "cc"); + + return (cc >> 28) & 3; +} + +int main(void) +{ + char c; + + c = 0x80; + assert(ts(&c) == 1); + assert(c == 0xff); + + c = 0x7f; + assert(ts(&c) == 0); + assert(c == 0xff); + + return EXIT_SUCCESS; +}