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bh=qOFBWFRg4NE622W93HZhBOXECakhIqIfisekBTHA2Ck=; b=J7nYV3a1METEcOf1K+A9KA0+t+0zj4v1Odo14Gn1aVYTsJT0UOKUBYLQtpmIei2l7h06Bm 9B+844abpz/BsVsKW/I/JvvOQJfCcsxmhWpmGFwQUy0MD3WbeJhzj/be0O0/eSB0Hj4Vr1 xGNIifYG2XSiPkHDbWNZPuUsj+8ArC4= X-MC-Unique: o3a2_J2RPMK60pxeSrqo0g-1 From: Thomas Huth To: qemu-devel@nongnu.org Cc: Stefan Hajnoczi , Ilya Leoshkevich Subject: [PULL 07/12] tests/tcg/s390x: Test VREP Date: Wed, 23 Aug 2023 13:45:39 +0200 Message-Id: <20230823114544.216520-8-thuth@redhat.com> In-Reply-To: <20230823114544.216520-1-thuth@redhat.com> References: <20230823114544.216520-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 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=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1692791278062100007 Content-Type: text/plain; charset="utf-8" From: Ilya Leoshkevich Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich Message-Id: <20230807163459.849766-2-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- tests/tcg/s390x/vrep.c | 81 +++++++++++++++++++++++++++++++++ tests/tcg/s390x/Makefile.target | 1 + 2 files changed, 82 insertions(+) create mode 100644 tests/tcg/s390x/vrep.c diff --git a/tests/tcg/s390x/vrep.c b/tests/tcg/s390x/vrep.c new file mode 100644 index 0000000000..d5a3bd8eb2 --- /dev/null +++ b/tests/tcg/s390x/vrep.c @@ -0,0 +1,81 @@ +/* + * Test the VREP instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include +#include +#include +#include "vx.h" + +static void handle_sigill(int sig, siginfo_t *info, void *ucontext) +{ + mcontext_t *mcontext =3D &((ucontext_t *)ucontext)->uc_mcontext; + char *insn =3D (char *)info->si_addr; + + if (insn[0] !=3D 0xe7 || insn[5] !=3D 0x4d) { + _exit(EXIT_FAILURE); + } + + mcontext->gregs[2] =3D SIGILL; +} + +static inline __attribute__((__always_inline__)) unsigned long +vrep(S390Vector *v1, const S390Vector *v3, const uint16_t i2, const uint8_= t m4) +{ + register unsigned long sig asm("r2") =3D -1; + + asm("vrep %[v1],%[v3],%[i2],%[m4]\n" + : [v1] "=3Dv" (v1->v) + , [sig] "+r" (sig) + : [v3] "v" (v3->v) + , [i2] "i" (i2) + , [m4] "i" (m4)); + + return sig; +} + +int main(int argc, char *argv[]) +{ + S390Vector v3 =3D {.d[0] =3D 1, .d[1] =3D 2}; + struct sigaction act; + S390Vector v1; + int err; + + memset(&act, 0, sizeof(act)); + act.sa_sigaction =3D handle_sigill; + act.sa_flags =3D SA_SIGINFO; + err =3D sigaction(SIGILL, &act, NULL); + assert(err =3D=3D 0); + + assert(vrep(&v1, &v3, 7, 0) =3D=3D -1); + assert(v1.d[0] =3D=3D 0x0101010101010101ULL); + assert(v1.d[1] =3D=3D 0x0101010101010101ULL); + + assert(vrep(&v1, &v3, 7, 1) =3D=3D -1); + assert(v1.d[0] =3D=3D 0x0002000200020002ULL); + assert(v1.d[1] =3D=3D 0x0002000200020002ULL); + + assert(vrep(&v1, &v3, 1, 2) =3D=3D -1); + assert(v1.d[0] =3D=3D 0x0000000100000001ULL); + assert(v1.d[1] =3D=3D 0x0000000100000001ULL); + + assert(vrep(&v1, &v3, 1, 3) =3D=3D -1); + assert(v1.d[0] =3D=3D 2); + assert(v1.d[1] =3D=3D 2); + + assert(vrep(&v1, &v3, 0x10, 0) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x101, 0) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x8, 1) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x108, 1) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x4, 2) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x104, 2) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x2, 3) =3D=3D SIGILL); + assert(vrep(&v1, &v3, 0x102, 3) =3D=3D SIGILL); + + return EXIT_SUCCESS; +} diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index e280c8c280..a6062b5c07 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -60,6 +60,7 @@ Z13_TESTS+=3Dlcbb Z13_TESTS+=3Dlocfhr Z13_TESTS+=3Dvcksm Z13_TESTS+=3Dvstl +Z13_TESTS+=3Dvrep $(Z13_TESTS): CFLAGS+=3D-march=3Dz13 -O2 TESTS+=3D$(Z13_TESTS) =20 --=20 2.39.3