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b=tMbh8PxDPuCM6zJ3iWy1xeAUXNUDDjvAY1BPYQxJuLA5z+62es3UUpt66U4gtfKeu8+M DIhGULKV9uD4QDgPfhUorg+t/iMqwpEuVoaKwGCtb8po2BIVkAiwpx88UgiurYxyzq1T 24Y6ss3BFszO1bfc+Ej/W0TFxjNt/hh5nfx2NJCGl60kEJUTiL0Kzy4kG2HQ3oN+e4ML b8mAWMV2RlnOy8jz3XInkab1kph6cWhX4SUhCCT0ta+yVTbXJA/OJB9oM6dQ3UaAVNn9 mtOZCcIROWARbNADSGxgHPxK7UbJJgsJ0uCahrjD/r5JNDnFd4V35sWwTGDCAUFwICjM +g== From: Ilya Leoshkevich To: Richard Henderson , David Hildenbrand , Thomas Huth Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH v2 2/2] tests/tcg/s390x: Test CONVERT TO DECIMAL Date: Thu, 25 Jan 2024 13:29:45 +0100 Message-ID: <20240125123059.220131-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240125123059.220131-1-iii@linux.ibm.com> References: <20240125123059.220131-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: FFJR3QrEpnHnFiUl2X5-ZTzQXPmieG_9 X-Proofpoint-GUID: zgYA0CM0EruDKIof-m7CAJNStQikZqrI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_06,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=811 spamscore=0 phishscore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 suspectscore=0 bulkscore=0 impostorscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401250086 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=148.163.158.5; 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1706185935778100001 Content-Type: text/plain; charset="utf-8" Check the CVD's and CVDG's corner cases. Signed-off-by: Ilya Leoshkevich --- tests/tcg/s390x/Makefile.target | 1 + tests/tcg/s390x/cvd.c | 42 +++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 tests/tcg/s390x/cvd.c diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.tar= get index 30994dcf9c2..04e4bddd83d 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -45,6 +45,7 @@ TESTS+=3Dclc TESTS+=3Dlaalg TESTS+=3Dadd-logical-with-carry TESTS+=3Dlae +TESTS+=3Dcvd =20 cdsg: CFLAGS+=3D-pthread cdsg: LDFLAGS+=3D-pthread diff --git a/tests/tcg/s390x/cvd.c b/tests/tcg/s390x/cvd.c new file mode 100644 index 00000000000..4d12282c6aa --- /dev/null +++ b/tests/tcg/s390x/cvd.c @@ -0,0 +1,42 @@ +/* + * Test the CONVERT TO DECIMAL instruction. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include + +static uint64_t cvd(int32_t x) +{ + uint64_t ret; + + asm("cvd %[x],%[ret]" : [ret] "=3DR" (ret) : [x] "r" (x)); + + return ret; +} + +static __uint128_t cvdg(int64_t x) +{ + __uint128_t ret; + + asm("cvdg %[x],%[ret]" : [ret] "=3DT" (ret) : [x] "r" (x)); + + return ret; +} + +int main(void) +{ + __uint128_t m =3D (((__uint128_t)0x9223372036854775) << 16) | 0x8070; + + assert(cvd(0) =3D=3D 0xc); + assert(cvd(1) =3D=3D 0x1c); + assert(cvd(-1) =3D=3D 0x1d); + assert(cvd(0x7fffffff) =3D=3D 0x2147483647c); + assert(cvd(-0x7fffffff) =3D=3D 0x2147483647d); + + assert(cvdg(0) =3D=3D 0xc); + assert(cvdg(1) =3D=3D 0x1c); + assert(cvdg(-1) =3D=3D 0x1d); + assert(cvdg(0x7fffffffffffffff) =3D=3D (m | 0xc)); + assert(cvdg(-0x7fffffffffffffff) =3D=3D (m | 0xd)); +} --=20 2.43.0