From nobody Sun Feb 8 17:48:07 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 155130226643292.07260063618367; Wed, 27 Feb 2019 13:17:46 -0800 (PST) Received: from localhost ([127.0.0.1]:50781 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gz6a1-0006LC-FO for importer@patchew.org; Wed, 27 Feb 2019 16:17:29 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46980) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gz6YD-0005bl-2K for qemu-devel@nongnu.org; Wed, 27 Feb 2019 16:15:37 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gz6YB-0001Cc-Sb for qemu-devel@nongnu.org; Wed, 27 Feb 2019 16:15:36 -0500 Received: from mx1.redhat.com ([209.132.183.28]:38314) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gz6YB-0001BF-4A; Wed, 27 Feb 2019 16:15:35 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9489D30BDCCA; Wed, 27 Feb 2019 21:15:33 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-82.ams2.redhat.com [10.36.116.82]) by smtp.corp.redhat.com (Postfix) with ESMTP id E449318231; Wed, 27 Feb 2019 21:15:31 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Wed, 27 Feb 2019 22:15:25 +0100 Message-Id: <20190227211525.2470-3-david@redhat.com> In-Reply-To: <20190227211525.2470-1-david@redhat.com> References: <20190227211525.2470-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Wed, 27 Feb 2019 21:15:33 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH RFC2 2/2] tests/tcg: target/s390x: Test VECTOR LOAD GR FROM VR ELEMENT X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-s390x@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Reuse the existing helpers. Signed-off-by: David Hildenbrand --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/helper.h | 6 ++++++ tests/tcg/s390x/vlgv.c | 37 +++++++++++++++++++++++++++++++++ 3 files changed, 44 insertions(+) create mode 100644 tests/tcg/s390x/vlgv.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 474c2428bd..deffc4c525 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -8,6 +8,7 @@ TESTS+=3Dexrl-trtr TESTS+=3Dpack =20 VECTOR_TESTS=3Dvge +VECTOR_TESTS+=3Dvlgv TESTS+=3D$(VECTOR_TESTS) =20 #enable vectors and optimisation for vector tests diff --git a/tests/tcg/s390x/helper.h b/tests/tcg/s390x/helper.h index ecbd97519b..790ced7ad7 100644 --- a/tests/tcg/s390x/helper.h +++ b/tests/tcg/s390x/helper.h @@ -11,6 +11,12 @@ typedef union S390Vector { uint8_t h[16]; } S390Vector; =20 +#define ES_8 0 +#define ES_16 1 +#define ES_32 2 +#define ES_64 3 +#define ES_128 4 + static inline void check(const char *s, bool cond) { if (!cond) { diff --git a/tests/tcg/s390x/vlgv.c b/tests/tcg/s390x/vlgv.c new file mode 100644 index 0000000000..2a4cca3bbb --- /dev/null +++ b/tests/tcg/s390x/vlgv.c @@ -0,0 +1,37 @@ +#include +#include +#include "signal-helper.inc.c" + +static inline void vlgv(uint64_t *r1, S390Vector *v3, const void *a2, + uint8_t m4) +{ + asm volatile("vlgv %[r1], %[v3], 0(%[a2]), %[m4]\n" + : [r1] "+d" (*r1), + [v3] "+v" (v3->v) + : [a2] "d" (a2), + [m4] "i" (m4)); +} + +int main(void) +{ + S390Vector v3 =3D { + .q[0] =3D 0x0011223344556677ull, + .q[1] =3D 0x8899aabbccddeeffull, + }; + uint64_t r1 =3D 0; + + /* Directly set all ignored bits to */ + vlgv(&r1, &v3, (void *)(7 | ~0xf), ES_8); + check("8 bit", r1 =3D=3D 0x77); + vlgv(&r1, &v3, (void *)(4 | ~0x7), ES_16); + check("16 bit", r1 =3D=3D 0x8899); + vlgv(&r1, &v3, (void *)(3 | ~0x3), ES_32); + check("32 bit", r1 =3D=3D 0xccddeeff); + vlgv(&r1, &v3, (void *)(1 | ~0x1), ES_64); + check("64 bit", r1 =3D=3D 0x8899aabbccddeeffull); + check("v3 not modified", v3.q[0] =3D=3D 0x0011223344556677ull && + v3.q[1] =3D=3D 0x8899aabbccddeeffull); + + CHECK_SIGILL(vlgv(&r1, &v3, NULL, ES_128)); + return 0; +} --=20 2.17.2