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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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_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: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1666733611090100003 Content-Type: text/plain; charset="utf-8" Add a basic test to prevent regressions. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/clst.c | 82 +++++++++++++++++++++++++++++++++ 2 files changed, 83 insertions(+) create mode 100644 tests/tcg/s390x/clst.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 627668e1ce9..ad2e34b1859 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -18,6 +18,7 @@ TESTS+=3Dsignals-s390x TESTS+=3Dbranch-relative-long TESTS+=3Dnoexec TESTS+=3Dlong-double +TESTS+=3Dclst =20 Z14_TESTS=3Dvfminmax vfminmax: LDFLAGS+=3D-lm diff --git a/tests/tcg/s390x/clst.c b/tests/tcg/s390x/clst.c new file mode 100644 index 00000000000..ed2fe7326c3 --- /dev/null +++ b/tests/tcg/s390x/clst.c @@ -0,0 +1,82 @@ +#define _GNU_SOURCE +#include +#include + +static int clst(char sep, const char **s1, const char **s2) +{ + const char *r1 =3D *s1; + const char *r2 =3D *s2; + int cc; + + do { + register int r0 asm("r0") =3D sep; + + asm("clst %[r1],%[r2]\n" + "ipm %[cc]\n" + "srl %[cc],28" + : [r1] "+r" (r1), [r2] "+r" (r2), "+r" (r0), [cc] "=3Dr" (cc) + : + : "cc"); + *s1 =3D r1; + *s2 =3D r2; + } while (cc =3D=3D 3); + + return cc; +} + +static const struct test { + const char *name; + char sep; + const char *s1; + const char *s2; + int exp_cc; + int exp_off; +} tests[] =3D { + { + .name =3D "cc0", + .sep =3D 0, + .s1 =3D "aa", + .s2 =3D "aa", + .exp_cc =3D 0, + .exp_off =3D 0, + }, + { + .name =3D "cc1", + .sep =3D 1, + .s1 =3D "a\x01", + .s2 =3D "aa\x01", + .exp_cc =3D 1, + .exp_off =3D 1, + }, + { + .name =3D "cc2", + .sep =3D 2, + .s1 =3D "abc\x02", + .s2 =3D "abb\x02", + .exp_cc =3D 2, + .exp_off =3D 2, + }, +}; + +int main(void) +{ + const struct test *t; + const char *s1, *s2; + size_t i; + int cc; + + for (i =3D 0; i < sizeof(tests) / sizeof(tests[0]); i++) { + t =3D &tests[i]; + s1 =3D t->s1; + s2 =3D t->s2; + cc =3D clst(t->sep, &s1, &s2); + if (cc !=3D t->exp_cc || + s1 !=3D t->s1 + t->exp_off || + s2 !=3D t->s2 + t->exp_off) { + fprintf(stderr, "%s\n", t->name); + return EXIT_FAILURE; + } + } + + return EXIT_SUCCESS; +} --=20 2.37.2