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b=ZW9em+ApckNBLIjjZUELZWLRdIbOn3zapkWMaqDh1QpfgXlSgIvSYpwM6JkZ61b/nG5q 5hLFtCb8jt+VRSN++rQ4dNezjWZYHvggX8Y583O4+vfTJE8/tNGKlhOB61Q8vkWRU/Uh 1ULzfXersQB2SN5sk6f0N6um8fNoY760aVp+YvA7NZMuEwSz2jZ0897Sn2GxksguM21T +Is37B1dc44iUJjViSrpXszXYf4J2cWDb1VMAx7ZSV9OC7KjEnckr5hAhvULuKwKOU4n 1XIwZQthEZXO10bz8oFlcJdal5TMd/5ulX4mjw3THF6bWZQnz2ZVp2ywMnjK2xqMj/QK +g== From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand Cc: qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2] tests/tcg/s390x: Add cdsg.c Date: Tue, 29 Nov 2022 15:30:04 +0100 Message-Id: <20221129143004.177852-1-iii@linux.ibm.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <2fb2b364-231d-1087-c516-c0144bac0979@redhat.com> References: <2fb2b364-231d-1087-c516-c0144bac0979@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 6Lrgq7QV0OKqjJ0GsCFxiS5a243Epby6 X-Proofpoint-ORIG-GUID: fUNSkjE5leq_BlmPDRwB0ZPPVwx8Ho2t X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-11-29_08,2022-11-29_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=810 lowpriorityscore=0 spamscore=0 clxscore=1015 mlxscore=0 impostorscore=0 adultscore=0 bulkscore=0 suspectscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2211290081 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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, RCVD_IN_MSPIKE_H2=-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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1669732255824100003 Content-Type: text/plain; charset="utf-8" Add a simple test to prevent regressions. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 4 ++ tests/tcg/s390x/cdsg.c | 84 +++++++++++++++++++++++++++++++++ 2 files changed, 88 insertions(+) create mode 100644 tests/tcg/s390x/cdsg.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 1d454270c0e..523214dac33 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -27,6 +27,7 @@ TESTS+=3Dnoexec TESTS+=3Ddiv TESTS+=3Dclst TESTS+=3Dlong-double +TESTS+=3Dcdsg =20 Z13_TESTS=3Dvistr $(Z13_TESTS): CFLAGS+=3D-march=3Dz13 -O2 @@ -66,3 +67,6 @@ sha512-mvx: sha512.c $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS) =20 TESTS+=3Dsha512-mvx + +cdsg: CFLAGS+=3D-pthread +cdsg: LDFLAGS+=3D-pthread diff --git a/tests/tcg/s390x/cdsg.c b/tests/tcg/s390x/cdsg.c new file mode 100644 index 00000000000..28b5ac9a000 --- /dev/null +++ b/tests/tcg/s390x/cdsg.c @@ -0,0 +1,84 @@ +#include +#include +#include +#include + +static volatile bool start; +typedef unsigned long aligned_quadword[2] __attribute__((__aligned__(16))); +static aligned_quadword val; + +static inline int cdsg(unsigned long *orig0, unsigned long *orig1, + unsigned long new0, unsigned long new1, + aligned_quadword *mem) +{ + register unsigned long r0 asm("r0"); + register unsigned long r1 asm("r1"); + register unsigned long r2 asm("r2"); + register unsigned long r3 asm("r3"); + int cc; + + r0 =3D *orig0; + r1 =3D *orig1; + r2 =3D new0; + r3 =3D new1; + asm("cdsg %[r0],%[r2],%[db2]\n" + "ipm %[cc]" + : [r0] "+r" (r0) + , [r1] "+r" (r1) + , [db2] "+m" (*mem) + , [cc] "=3Dr" (cc) + : [r2] "r" (r2) + , [r3] "r" (r3) + : "cc"); + *orig0 =3D r0; + *orig1 =3D r1; + + return (cc >> 28) & 3; +} + +void *cdsg_loop(void *arg) +{ + unsigned long orig0, orig1, new0, new1; + int cc; + int i; + + while (!start) { + } + + orig0 =3D val[0]; + orig1 =3D val[1]; + for (i =3D 0; i < 1000;) { + new0 =3D orig0 + 1; + new1 =3D orig1 + 2; + + cc =3D cdsg(&orig0, &orig1, new0, new1, &val); + + if (cc =3D=3D 0) { + orig0 =3D new0; + orig1 =3D new1; + i++; + } else { + assert(cc =3D=3D 1); + } + } + + return NULL; +} + +int main(void) +{ + pthread_t thread; + int ret; + + ret =3D pthread_create(&thread, NULL, cdsg_loop, NULL); + assert(ret =3D=3D 0); + start =3D true; + cdsg_loop(NULL); + ret =3D pthread_join(thread, NULL); + assert(ret =3D=3D 0); + + assert(val[0] =3D=3D 2000); + assert(val[1] =3D=3D 4000); + + return EXIT_SUCCESS; +} --=20 2.38.1