From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2B7B5C433EF for ; Wed, 2 Mar 2022 12:43:03 +0000 (UTC) Received: from localhost ([::1]:44130 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nPOJp-00060h-TR for qemu-devel@archiver.kernel.org; Wed, 02 Mar 2022 07:43:01 -0500 Received: from eggs.gnu.org ([209.51.188.92]:33450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nPNAS-0002Wp-7y; Wed, 02 Mar 2022 06:29:16 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:40480) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nPNAQ-00083r-8A; Wed, 02 Mar 2022 06:29:15 -0500 Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 222AAnbt032167; Wed, 2 Mar 2022 11:08:20 GMT Received: from ppma03fra.de.ibm.com (6b.4a.5195.ip4.static.sl-reverse.com [149.81.74.107]) by mx0a-001b2d01.pphosted.com with ESMTP id 3ej4h3kq98-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Mar 2022 11:08:20 +0000 Received: from pps.filterd (ppma03fra.de.ibm.com [127.0.0.1]) by ppma03fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 222B2dUF022348; Wed, 2 Mar 2022 11:08:18 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma03fra.de.ibm.com with ESMTP id 3efbu9d1v7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 02 Mar 2022 11:08:18 +0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 222B8F8F53150054 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 2 Mar 2022 11:08:15 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C4CA9A4079; Wed, 2 Mar 2022 11:08:15 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 792F7A4075; Wed, 2 Mar 2022 11:08:15 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with SMTP; Wed, 2 Mar 2022 11:08:15 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.58.125]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id AB9B1220294; Wed, 2 Mar 2022 12:08:14 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PULL 11/87] target/ppc: Implement vmsumcud instruction Date: Wed, 2 Mar 2022 12:06:47 +0100 Message-Id: <20220302110803.849505-12-clg@kaod.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220302110803.849505-1-clg@kaod.org> References: <20220302110803.849505-1-clg@kaod.org> Content-Type: text/plain; charset=UTF-8 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: vcM1eArqUysa8wfyJQfKif91iLdpbevK X-Proofpoint-GUID: vcM1eArqUysa8wfyJQfKif91iLdpbevK Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-02_01,2022-02-26_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 clxscore=1034 spamscore=0 adultscore=0 suspectscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 impostorscore=0 mlxlogscore=468 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2203020047 Received-SPF: softfail client-ip=148.163.158.5; envelope-from=clg@kaod.org; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: =?UTF-8?q?V=C3=ADctor=20Colombo?= , Peter Maydell , Richard Henderson , Matheus Ferst , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: V=C3=ADctor Colombo Based on [1] by Lijun Pan , which was never merged into master. [1]: https://lists.gnu.org/archive/html/qemu-ppc/2020-07/msg00419.html Reviewed-by: Richard Henderson Signed-off-by: V=C3=ADctor Colombo Signed-off-by: Matheus Ferst Message-Id: <20220225210936.1749575-6-matheus.ferst@eldorado.org.br> Signed-off-by: C=C3=A9dric Le Goater --- target/ppc/insn32.decode | 4 +++ target/ppc/translate/vmx-impl.c.inc | 53 +++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index d817e44c7104..e85a75db2ff7 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -468,6 +468,10 @@ VMULHSD 000100 ..... ..... ..... 01111001001 = @VX VMULHUD 000100 ..... ..... ..... 01011001001 @VX VMULLD 000100 ..... ..... ..... 00111001001 @VX =20 +## Vector Multiply-Sum Instructions + +VMSUMCUD 000100 ..... ..... ..... ..... 010111 @VA + # VSX Load/Store Instructions =20 LXV 111101 ..... ..... ............ . 001 @DQ_TSX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx= -impl.c.inc index 97a075efd1ef..4f528dc82018 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -2081,6 +2081,59 @@ static bool trans_VPEXTD(DisasContext *ctx, arg_VX *= a) return true; } =20 +static bool trans_VMSUMCUD(DisasContext *ctx, arg_VA *a) +{ + TCGv_i64 tmp0, tmp1, prod1h, prod1l, prod0h, prod0l, zero; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + tmp0 =3D tcg_temp_new_i64(); + tmp1 =3D tcg_temp_new_i64(); + prod1h =3D tcg_temp_new_i64(); + prod1l =3D tcg_temp_new_i64(); + prod0h =3D tcg_temp_new_i64(); + prod0l =3D tcg_temp_new_i64(); + zero =3D tcg_constant_i64(0); + + /* prod1 =3D vsr[vra+32].dw[1] * vsr[vrb+32].dw[1] */ + get_avr64(tmp0, a->vra, false); + get_avr64(tmp1, a->vrb, false); + tcg_gen_mulu2_i64(prod1l, prod1h, tmp0, tmp1); + + /* prod0 =3D vsr[vra+32].dw[0] * vsr[vrb+32].dw[0] */ + get_avr64(tmp0, a->vra, true); + get_avr64(tmp1, a->vrb, true); + tcg_gen_mulu2_i64(prod0l, prod0h, tmp0, tmp1); + + /* Sum lower 64-bits elements */ + get_avr64(tmp1, a->rc, false); + tcg_gen_add2_i64(tmp1, tmp0, tmp1, zero, prod1l, zero); + tcg_gen_add2_i64(tmp1, tmp0, tmp1, tmp0, prod0l, zero); + + /* + * Discard lower 64-bits, leaving the carry into bit 64. + * Then sum the higher 64-bit elements. + */ + get_avr64(tmp1, a->rc, true); + tcg_gen_add2_i64(tmp1, tmp0, tmp0, zero, tmp1, zero); + tcg_gen_add2_i64(tmp1, tmp0, tmp1, tmp0, prod1h, zero); + tcg_gen_add2_i64(tmp1, tmp0, tmp1, tmp0, prod0h, zero); + + /* Discard 64 more bits to complete the CHOP128(temp >> 128) */ + set_avr64(a->vrt, tmp0, false); + set_avr64(a->vrt, zero, true); + + tcg_temp_free_i64(tmp0); + tcg_temp_free_i64(tmp1); + tcg_temp_free_i64(prod1h); + tcg_temp_free_i64(prod1l); + tcg_temp_free_i64(prod0h); + tcg_temp_free_i64(prod0l); + + return true; +} + static bool do_vx_helper(DisasContext *ctx, arg_VX *a, void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr)) { --=20 2.34.1