From patchwork Tue Nov 22 11:45:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nikunj A. Dadhania" X-Patchwork-Id: 9440875 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 5AA6960237 for ; Tue, 22 Nov 2016 11:53:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5274F2843A for ; Tue, 22 Nov 2016 11:53:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4736C284FF; Tue, 22 Nov 2016 11:53:01 +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 BA8932843A for ; Tue, 22 Nov 2016 11:53:00 +0000 (UTC) Received: from localhost ([::1]:54891 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c99dE-0006ed-1l for patchwork-qemu-devel@patchwork.kernel.org; Tue, 22 Nov 2016 06:53:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42222) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1c99XO-00031X-3X for qemu-devel@nongnu.org; Tue, 22 Nov 2016 06:47:02 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1c99XK-0005e1-OL for qemu-devel@nongnu.org; Tue, 22 Nov 2016 06:46:58 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54981 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 1c99XK-0005di-I3 for qemu-devel@nongnu.org; Tue, 22 Nov 2016 06:46:54 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uAMBiURn116628 for ; Tue, 22 Nov 2016 06:46:53 -0500 Received: from e28smtp01.in.ibm.com (e28smtp01.in.ibm.com [125.16.236.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 26vksm0cyx-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Tue, 22 Nov 2016 06:46:53 -0500 Received: from localhost by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 22 Nov 2016 17:16:48 +0530 Received: from d28relay06.in.ibm.com (d28relay06.in.ibm.com [9.184.220.150]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 75DBDE005A; Tue, 22 Nov 2016 17:17:04 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay06.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uAMBkld426607778; Tue, 22 Nov 2016 17:16:47 +0530 Received: from d28av03.in.ibm.com (localhost [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uAMBkkUL014997; Tue, 22 Nov 2016 17:16:47 +0530 Received: from abhimanyu.in.ibm.com (abhimanyu.in.ibm.com [9.124.35.100]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id uAMBkNdr013727; Tue, 22 Nov 2016 17:16:36 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Tue, 22 Nov 2016 17:15:59 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479815165-31059-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1479815165-31059-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16112211-7323-0000-0000-0000006C6924 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16112211-7324-0000-0000-0000013944F9 Message-Id: <1479815165-31059-4-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-11-22_06:, , 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=8.0.1-1609300000 definitions=main-1611220211 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 3/9] target-ppc: Add xscmpexp[dp, qp] instructions 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 xscmpexpdp: VSX Scalar Compare Exponents Double-Precision xscmpexpqp: VSX Scalar Compare Exponents Quad-Precision Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania --- target-ppc/fpu_helper.c | 64 +++++++++++++++++++++++++++++++++++++ target-ppc/helper.h | 2 ++ target-ppc/translate/vsx-impl.inc.c | 2 ++ target-ppc/translate/vsx-ops.inc.c | 6 ++++ 4 files changed, 74 insertions(+) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 3027003..b1c5a07 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -2405,6 +2405,70 @@ VSX_SCALAR_CMP_DP(xscmpgedp, le, 1, 1) VSX_SCALAR_CMP_DP(xscmpgtdp, lt, 1, 1) VSX_SCALAR_CMP_DP(xscmpnedp, eq, 0, 0) +void helper_xscmpexpdp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xa, xb; + int64_t exp_a, exp_b; + uint32_t cc; + + getVSR(xA(opcode), &xa, env); + getVSR(xB(opcode), &xb, env); + + exp_a = extract64(xa.VsrD(0), 52, 11); + exp_b = extract64(xb.VsrD(0), 52, 11); + + if (unlikely(float64_is_any_nan(xa.VsrD(0)) || + float64_is_any_nan(xb.VsrD(0)))) { + cc = 1; + } else { + if (exp_a < exp_b) { + cc = 8; + } else if (exp_a > exp_b) { + cc = 4; + } else { + cc = 2; + } + } + + env->fpscr &= ~(0x0F << FPSCR_FPRF); + env->fpscr |= cc << FPSCR_FPRF; + env->crf[BF(opcode)] = cc; + + helper_float_check_status(env); +} + +void helper_xscmpexpqp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xa, xb; + int64_t exp_a, exp_b; + uint32_t cc; + + getVSR(rA(opcode) + 32, &xa, env); + getVSR(rB(opcode) + 32, &xb, env); + + exp_a = extract64(xa.VsrD(0), 48, 15); + exp_b = extract64(xb.VsrD(0), 48, 15); + + if (unlikely(float128_is_any_nan(make_float128(xa.VsrD(0), xa.VsrD(1))) || + float128_is_any_nan(make_float128(xb.VsrD(0), xb.VsrD(1))))) { + cc = 1; + } else { + if (exp_a < exp_b) { + cc = 8; + } else if (exp_a > exp_b) { + cc = 4; + } else { + cc = 2; + } + } + + env->fpscr &= ~(0x0F << FPSCR_FPRF); + env->fpscr |= cc << FPSCR_FPRF; + env->crf[BF(opcode)] = cc; + + helper_float_check_status(env); +} + #define VSX_SCALAR_CMP(op, ordered) \ void helper_##op(CPUPPCState *env, uint32_t opcode) \ { \ diff --git a/target-ppc/helper.h b/target-ppc/helper.h index da00f0a..ba42015 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -404,6 +404,8 @@ DEF_HELPER_2(xscmpeqdp, void, env, i32) DEF_HELPER_2(xscmpgtdp, void, env, i32) DEF_HELPER_2(xscmpgedp, void, env, i32) DEF_HELPER_2(xscmpnedp, void, env, i32) +DEF_HELPER_2(xscmpexpdp, void, env, i32) +DEF_HELPER_2(xscmpexpqp, void, env, i32) DEF_HELPER_2(xscmpodp, void, env, i32) DEF_HELPER_2(xscmpudp, void, env, i32) DEF_HELPER_2(xsmaxdp, void, env, i32) diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index 5a27be4..5206258 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -624,6 +624,8 @@ GEN_VSX_HELPER_2(xscmpeqdp, 0x0C, 0x00, 0, PPC2_ISA300) GEN_VSX_HELPER_2(xscmpgtdp, 0x0C, 0x01, 0, PPC2_ISA300) GEN_VSX_HELPER_2(xscmpgedp, 0x0C, 0x02, 0, PPC2_ISA300) GEN_VSX_HELPER_2(xscmpnedp, 0x0C, 0x03, 0, PPC2_ISA300) +GEN_VSX_HELPER_2(xscmpexpdp, 0x0C, 0x07, 0, PPC2_ISA300) +GEN_VSX_HELPER_2(xscmpexpqp, 0x04, 0x05, 0, PPC2_ISA300) GEN_VSX_HELPER_2(xscmpodp, 0x0C, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xscmpudp, 0x0C, 0x04, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmaxdp, 0x00, 0x14, 0, PPC2_VSX) diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index 3d91041..2468ee9 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -83,6 +83,10 @@ GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x01, opc3|0x0C, 0, PPC_NONE, PPC2_VSX),\ GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x02, opc3|0x0C, 0, PPC_NONE, PPC2_VSX),\ GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x03, opc3|0x0C, 0, PPC_NONE, PPC2_VSX) +#define GEN_VSX_XFORM_300(name, opc2, opc3, inval) \ +GEN_HANDLER_E(name, 0x3F, opc2, opc3, inval, PPC_NONE, PPC2_ISA300) + + GEN_XX2FORM(xsabsdp, 0x12, 0x15, PPC2_VSX), GEN_XX2FORM(xsnabsdp, 0x12, 0x16, PPC2_VSX), GEN_XX2FORM(xsnegdp, 0x12, 0x17, PPC2_VSX), @@ -118,6 +122,8 @@ GEN_XX3FORM(xscmpeqdp, 0x0C, 0x00, PPC2_ISA300), GEN_XX3FORM(xscmpgtdp, 0x0C, 0x01, PPC2_ISA300), GEN_XX3FORM(xscmpgedp, 0x0C, 0x02, PPC2_ISA300), GEN_XX3FORM(xscmpnedp, 0x0C, 0x03, PPC2_ISA300), +GEN_XX3FORM(xscmpexpdp, 0x0C, 0x07, PPC2_ISA300), +GEN_VSX_XFORM_300(xscmpexpqp, 0x04, 0x05, 0x00600001), GEN_XX2IFORM(xscmpodp, 0x0C, 0x05, PPC2_VSX), GEN_XX2IFORM(xscmpudp, 0x0C, 0x04, PPC2_VSX), GEN_XX3FORM(xsmaxdp, 0x00, 0x14, PPC2_VSX),