From patchwork Thu Jan 5 11:26:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nikunj A. Dadhania" X-Patchwork-Id: 9498921 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 32820606DE for ; Thu, 5 Jan 2017 11:37:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0E3B8269DA for ; Thu, 5 Jan 2017 11:37:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 02C4627C0C; Thu, 5 Jan 2017 11:37:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5A110269DA for ; Thu, 5 Jan 2017 11:37:46 +0000 (UTC) Received: from localhost ([::1]:45765 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6Mb-0000w8-1R for patchwork-qemu-devel@patchwork.kernel.org; Thu, 05 Jan 2017 06:37:45 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42535) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6C2-0000Xf-M1 for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cP6By-0006S0-Pk for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:50 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54063 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cP6By-0006RU-JA for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:46 -0500 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v05BO1Ns094532 for ; Thu, 5 Jan 2017 06:26:46 -0500 Received: from e28smtp08.in.ibm.com (e28smtp08.in.ibm.com [125.16.236.8]) by mx0b-001b2d01.pphosted.com with ESMTP id 27sk0hxvn8-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 05 Jan 2017 06:26:45 -0500 Received: from localhost by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 5 Jan 2017 16:56:41 +0530 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 9E1733940068; Thu, 5 Jan 2017 16:56:39 +0530 (IST) Received: from d28av06.in.ibm.com (d28av06.in.ibm.com [9.184.220.48]) by d28relay03.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v05BQdij26411104; Thu, 5 Jan 2017 16:56:39 +0530 Received: from d28av06.in.ibm.com (localhost [127.0.0.1]) by d28av06.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v05BQdDi030546; Thu, 5 Jan 2017 16:56:39 +0530 Received: from abhimanyu.in.ibm.com ([9.199.60.36]) by d28av06.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v05BQRBB029840; Thu, 5 Jan 2017 16:56:38 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Thu, 5 Jan 2017 16:56:15 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483615579-17618-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1483615579-17618-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17010511-0028-0000-0000-0000053E8A2F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010511-0029-0000-0000-000013EB0D0D Message-Id: <1483615579-17618-11-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-01-05_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1612050000 definitions=main-1701050183 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 10/14] target-ppc: Add xscvqpdp instruction 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: qemu-devel@nongnu.org, nikunj@linux.vnet.ibm.com, bharata@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Bharata B Rao xscvqpdp: VSX Scalar round & Convert Quad-Precision format to Double-Precision format Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania --- target-ppc/fpu_helper.c | 28 ++++++++++++++++++++++++++++ target-ppc/helper.h | 1 + target-ppc/translate/vsx-impl.inc.c | 1 + target-ppc/translate/vsx-ops.inc.c | 1 + 4 files changed, 31 insertions(+) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 224876b..dfd3515 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2743,6 +2743,34 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) \ VSX_CVT_FP_TO_FP_HP(xscvdphp, float64, float16, VsrD(0), VsrH(3)) VSX_CVT_FP_TO_FP_HP(xscvhpdp, float16, float64, VsrH(3), VsrD(0)) +/* + * xscvqpdp isn't using VSX_CVT_FP_TO_FP() because xscvqpdpo will be + * added to this later. + */ +void helper_xscvqpdp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xt, xb; + + getVSR(xB(opcode), &xb, env); + getVSR(xT(opcode), &xt, env); + + if (unlikely(Rc(opcode) != 0)) { + /* TODO: Support xscvqpdpo after round-to-odd is implemented */ + abort(); + } + + xt.VsrD(0) = float128_to_float64(xb.f128, &env->fp_status); + if (unlikely(float128_is_signaling_nan(xb.f128, + &env->fp_status))) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); + xt.VsrD(0) = float64_snan_to_qnan(xt.VsrD(0)); + } + helper_compute_fprf_float64(env, xt.VsrD(0)); + + putVSR(xT(opcode), &xt, env); + float_check_status(env); +} + uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb) { float_status tstat = env->fp_status; diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 3b5d0ad..f28bf62 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -433,6 +433,7 @@ DEF_HELPER_2(xscvdphp, void, env, i32) DEF_HELPER_2(xscvdpqp, void, env, i32) DEF_HELPER_2(xscvdpsp, void, env, i32) DEF_HELPER_2(xscvdpspn, i64, env, i64) +DEF_HELPER_2(xscvqpdp, void, env, i32) DEF_HELPER_2(xscvhpdp, void, env, i32) DEF_HELPER_2(xscvspdp, void, env, i32) DEF_HELPER_2(xscvspdpn, i64, env, i64) diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 358ff4c..d9cdaf1 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -810,6 +810,7 @@ GEN_VSX_HELPER_2(xscvdphp, 0x16, 0x15, 0x11, PPC2_ISA300) GEN_VSX_HELPER_2(xscvdpsp, 0x12, 0x10, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscvdpqp, 0x04, 0x1A, 0x16, PPC2_ISA300) GEN_VSX_HELPER_XT_XB_ENV(xscvdpspn, 0x16, 0x10, 0, PPC2_VSX207) +GEN_VSX_HELPER_2(xscvqpdp, 0x04, 0x1A, 0x14, PPC2_ISA300) GEN_VSX_HELPER_2(xscvhpdp, 0x16, 0x15, 0x10, PPC2_ISA300) GEN_VSX_HELPER_2(xscvspdp, 0x12, 0x14, 0, PPC2_VSX) GEN_VSX_HELPER_XT_XB_ENV(xscvspdpn, 0x16, 0x14, 0, PPC2_VSX207) diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index fcf9597..cc5b268 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -113,6 +113,7 @@ GEN_VSX_XFORM_300_EO(xsnabsqp, 0x04, 0x19, 0x08, 0x00000001), GEN_VSX_XFORM_300_EO(xsnegqp, 0x04, 0x19, 0x10, 0x00000001), GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001), GEN_VSX_XFORM_300_EO(xscvdpqp, 0x04, 0x1A, 0x16, 0x00000001), +GEN_VSX_XFORM_300_EO(xscvqpdp, 0x04, 0x1A, 0x14, 0x0), GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX),