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Fri, 4 Aug 2023 23:37:56 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A17A020040; Fri, 4 Aug 2023 23:37:55 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.179.4.122]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 4 Aug 2023 23:37:55 +0000 (GMT) From: Ilya Leoshkevich To: Laurent Vivier , Richard Henderson , David Hildenbrand , Thomas Huth Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, Claudio Fontana , Ilya Leoshkevich Subject: [PATCH 3/3] tests/tcg/s390x: Test VSTRS Date: Sat, 5 Aug 2023 01:03:19 +0200 Message-ID: <20230804233748.218935-4-iii@linux.ibm.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230804233748.218935-1-iii@linux.ibm.com> References: <20230804233748.218935-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: iVOLavr7oDjunkltH_dXlLbwpGj-ZRl0 X-Proofpoint-GUID: Gk9HrlmkAg6HpOTfuxpCnmbRL3hdUI1e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-04_21,2023-08-03_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 mlxlogscore=999 impostorscore=0 malwarescore=0 suspectscore=0 spamscore=0 priorityscore=1501 clxscore=1015 phishscore=0 lowpriorityscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308040213 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 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 to prevent regressions. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/vxeh2_vstrs.c | 88 +++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+) create mode 100644 tests/tcg/s390x/vxeh2_vstrs.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 1fc98099070..8ba36e5985b 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -73,6 +73,7 @@ ifneq ($(CROSS_CC_HAS_Z15),) Z15_TESTS=vxeh2_vs Z15_TESTS+=vxeh2_vcvt Z15_TESTS+=vxeh2_vlstr +Z15_TESTS+=vxeh2_vstrs $(Z15_TESTS): CFLAGS+=-march=z15 -O2 TESTS+=$(Z15_TESTS) endif diff --git a/tests/tcg/s390x/vxeh2_vstrs.c b/tests/tcg/s390x/vxeh2_vstrs.c new file mode 100644 index 00000000000..313ec1d728f --- /dev/null +++ b/tests/tcg/s390x/vxeh2_vstrs.c @@ -0,0 +1,88 @@ +/* + * Test the VSTRS instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include "vx.h" + +static inline __attribute__((__always_inline__)) int +vstrs(S390Vector *v1, const S390Vector *v2, const S390Vector *v3, + const S390Vector *v4, const uint8_t m5, const uint8_t m6) +{ + int cc; + + asm("vstrs %[v1],%[v2],%[v3],%[v4],%[m5],%[m6]\n" + "ipm %[cc]" + : [v1] "=v" (v1->v) + , [cc] "=r" (cc) + : [v2] "v" (v2->v) + , [v3] "v" (v3->v) + , [v4] "v" (v4->v) + , [m5] "i" (m5) + , [m6] "i" (m6) + : "cc"); + + return (cc >> 28) & 3; +} + +static void test_ignored_match(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0x222000205e410000ULL, .d[1] = 0}; + S390Vector v3 = {.d[0] = 0x205e410000000000ULL, .d[1] = 0}; + S390Vector v4 = {.d[0] = 3, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 2) == 1); + assert(v1.d[0] == 16); + assert(v1.d[1] == 0); +} + +static void test_empty_needle(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0x5300000000000000ULL, .d[1] = 0}; + S390Vector v3 = {.d[0] = 0, .d[1] = 0}; + S390Vector v4 = {.d[0] = 0, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 0) == 2); + assert(v1.d[0] == 0); + assert(v1.d[1] == 0); +} + +static void test_max_length(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0x1122334455667700ULL, .d[1] = 0}; + S390Vector v3 = {.d[0] = 0, .d[1] = 0}; + S390Vector v4 = {.d[0] = 16, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 0) == 3); + assert(v1.d[0] == 7); + assert(v1.d[1] == 0); +} + +static void test_no_match(void) +{ + S390Vector v1; + S390Vector v2 = {.d[0] = 0xffffff000fffff00ULL, .d[1] = 0x82b}; + S390Vector v3 = {.d[0] = 0xfffffffeffffffffULL, + .d[1] = 0xffffffff00000000ULL}; + S390Vector v4 = {.d[0] = 11, .d[1] = 0}; + + assert(vstrs(&v1, &v2, &v3, &v4, 0, 2) == 1); + assert(v1.d[0] == 16); + assert(v1.d[1] == 0); +} + +int main(void) +{ + test_ignored_match(); + test_empty_needle(); + test_max_length(); + test_no_match(); + return EXIT_SUCCESS; +}