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Mon, 15 Jan 2024 20:23:14 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 40FKNC0u45613632 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Jan 2024 20:23:12 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 834BE20049; Mon, 15 Jan 2024 20:23:12 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0B60320040; Mon, 15 Jan 2024 20:23:12 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.75.248]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 15 Jan 2024 20:23:11 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=gbPImPBRGxJliuo02hWoisZawB8F20EbNzt0bGccovU=; b=V8AW12SrQpj1IDasYhH9k4L78uaFFD+Qag/7GQgsCYXGJU7ebsvRXUK3QUXIB8A4ZYfa t8IVdNHpr9rdEV05R8eT+l1qUsFUnOkuj4ZkDa/xszdkH8mK9Ovy1UpfPkJldNbFpX6N m3XUCEk/9XXoaEuS8iAB7qYiRW/gJo7e7kDgVrcE6nYsZodQsNIl/EHxPC23Vckxeliv pJ2nWknBdiVgGI8qDpyx1yEe47QZz8U+RW3TFTbVR3s8cH331UqjX3Mq/mGCF2lSlREk dHDWbW8HqvDp5RdkW1Ru8xY3mWzQIMa5BXspAA/ugAymhs1OZI5d4aBFWVDPtvQisRBI Cw== From: Ilya Leoshkevich To: Thomas Huth , Richard Henderson , David Hildenbrand Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich , Ido Plat Subject: [PATCH 1/2] target/s390x: Emulate CVDG Date: Mon, 15 Jan 2024 21:21:03 +0100 Message-ID: <20240115202308.1930675-2-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240115202308.1930675-1-iii@linux.ibm.com> References: <20240115202308.1930675-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: JyVfUUdY08l8Ve2Ui2aY6VYtQhkPkrfu X-Proofpoint-ORIG-GUID: a05D1ZVs9GI2SJR0drdivbFjrVA0Wbed X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-15_13,2024-01-15_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 mlxlogscore=676 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401150150 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_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: 1705350272663100006 Content-Type: text/plain; charset="utf-8" CVDG is the same as CVD, except that it converts 64 bits into 128, rather than 32 into 64. Use larger data types in the CVD helper and reuse it. Reported-by: Ido Plat Signed-off-by: Ilya Leoshkevich Reviewed-by: Thomas Huth --- target/s390x/helper.h | 1 + target/s390x/tcg/insn-data.h.inc | 1 + target/s390x/tcg/int_helper.c | 11 ++++++++--- target/s390x/tcg/translate.c | 8 ++++++++ 4 files changed, 18 insertions(+), 3 deletions(-) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 05102578fc9..332a9a9c632 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -89,6 +89,7 @@ DEF_HELPER_FLAGS_2(sqeb, TCG_CALL_NO_WG, i64, env, i64) DEF_HELPER_FLAGS_2(sqdb, TCG_CALL_NO_WG, i64, env, i64) DEF_HELPER_FLAGS_2(sqxb, TCG_CALL_NO_WG, i128, env, i128) DEF_HELPER_FLAGS_1(cvd, TCG_CALL_NO_RWG_SE, i64, s32) +DEF_HELPER_FLAGS_1(cvdg, TCG_CALL_NO_RWG_SE, i128, s64) DEF_HELPER_FLAGS_4(pack, TCG_CALL_NO_WG, void, env, i32, i64, i64) DEF_HELPER_FLAGS_4(pka, TCG_CALL_NO_WG, void, env, i64, i64, i32) DEF_HELPER_FLAGS_4(pku, TCG_CALL_NO_WG, void, env, i64, i64, i32) diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.= h.inc index 2f07f39d9cb..388dcb8dbbc 100644 --- a/target/s390x/tcg/insn-data.h.inc +++ b/target/s390x/tcg/insn-data.h.inc @@ -296,6 +296,7 @@ /* CONVERT TO DECIMAL */ C(0x4e00, CVD, RX_a, Z, r1_o, a2, 0, 0, cvd, 0) C(0xe326, CVDY, RXY_a, LD, r1_o, a2, 0, 0, cvd, 0) + C(0xe32e, CVDG, RXY_a, Z, r1_o, a2, 0, 0, cvdg, 0) /* CONVERT TO FIXED */ F(0xb398, CFEBR, RRF_e, Z, 0, e2, new, r1_32, cfeb, 0, IF_BFP) F(0xb399, CFDBR, RRF_e, Z, 0, f2, new, r1_32, cfdb, 0, IF_BFP) diff --git a/target/s390x/tcg/int_helper.c b/target/s390x/tcg/int_helper.c index eb8e6dd1b57..defb8fc7681 100644 --- a/target/s390x/tcg/int_helper.c +++ b/target/s390x/tcg/int_helper.c @@ -99,10 +99,15 @@ Int128 HELPER(divu64)(CPUS390XState *env, uint64_t ah, = uint64_t al, uint64_t b) } =20 uint64_t HELPER(cvd)(int32_t reg) +{ + return helper_cvdg(reg); +} + +Int128 HELPER(cvdg)(int64_t reg) { /* positive 0 */ - uint64_t dec =3D 0x0c; - int64_t bin =3D reg; + Int128 dec =3D 0x0c; + Int128 bin =3D reg; int shift; =20 if (bin < 0) { @@ -110,7 +115,7 @@ uint64_t HELPER(cvd)(int32_t reg) dec =3D 0x0d; } =20 - for (shift =3D 4; (shift < 64) && bin; shift +=3D 4) { + for (shift =3D 4; (shift < 128) && bin; shift +=3D 4) { dec |=3D (bin % 10) << shift; bin /=3D 10; } diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index 8df00b7df9f..2d417337695 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -2233,6 +2233,14 @@ static DisasJumpType op_cvd(DisasContext *s, DisasOp= s *o) return DISAS_NEXT; } =20 +static DisasJumpType op_cvdg(DisasContext *s, DisasOps *o) +{ + TCGv_i128 t =3D tcg_temp_new_i128(); + gen_helper_cvdg(t, o->in1); + tcg_gen_qemu_st_i128(t, o->in2, get_mem_index(s), MO_TE | MO_128); + return DISAS_NEXT; +} + static DisasJumpType op_ct(DisasContext *s, DisasOps *o) { int m3 =3D get_field(s, m3); 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Mon, 15 Jan 2024 20:23:15 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 40FKNDA217957584 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 15 Jan 2024 20:23:13 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5F86220049; Mon, 15 Jan 2024 20:23:13 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E84A620040; Mon, 15 Jan 2024 20:23:12 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.75.248]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 15 Jan 2024 20:23:12 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=MNJbKLRgVm6p0ufGIlf3XdiOukS2mJluK/nZRqsgIQs=; b=nh6B/UPt2MZ3SvNvJVDQHMUqDeqePgFdMVJfkHe4zky/0leaByuOodZ8K2iPnI+aZ8N3 k/d5Lpuna1mjyPdad4EZGrV2JeI4Fc2MsIiqJqiv3Sm8rqClCw01TfUBQLEDux3Q8tri hK0BFQGJL4xvxiMjn9Mx7KismgO0QAK31CXNiX4Wi+sDQUGQUIwxYqaenuu1o1rUM63c R5kOPXk38ago1DKvakL092ixuZJGAtOvscLoHHoaEaX61Q/3n71fdyKuvHZyBD2Uzgi0 DZQwhfQK3nNmajEHNxo777RXbAvWx2iIN6MIcL6p+y8zV+3+E7pfKtz38jaCjj1PsfFE +Q== From: Ilya Leoshkevich To: Thomas Huth , Richard Henderson , David Hildenbrand Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, Ilya Leoshkevich Subject: [PATCH 2/2] tests/tcg/s390x: Test CONVERT TO DECIMAL Date: Mon, 15 Jan 2024 21:21:04 +0100 Message-ID: <20240115202308.1930675-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240115202308.1930675-1-iii@linux.ibm.com> References: <20240115202308.1930675-1-iii@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: NbjtiJsooWpQwx8XeZ0X_CRPp34CsAxN X-Proofpoint-GUID: fOLdGv5AS7kFbFIBSozyWZTVJoy0Lucv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-15_13,2024-01-15_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 bulkscore=0 adultscore=0 impostorscore=0 mlxscore=0 phishscore=0 suspectscore=0 spamscore=0 mlxlogscore=818 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401150150 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: 1705350278758100003 Content-Type: text/plain; charset="utf-8" Check the CVD's and CVDG's corner cases. Signed-off-by: Ilya Leoshkevich Tested-by: Thomas Huth --- 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