From patchwork Thu Jan 5 11:26:11 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: 9498889 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 D8C6B606DE for ; Thu, 5 Jan 2017 11:27:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C9B90282E8 for ; Thu, 5 Jan 2017 11:27:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BE9212832C; Thu, 5 Jan 2017 11:27:49 +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 39D09282E8 for ; Thu, 5 Jan 2017 11:27:49 +0000 (UTC) Received: from localhost ([::1]:45712 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6Cy-0000wG-9J for patchwork-qemu-devel@patchwork.kernel.org; Thu, 05 Jan 2017 06:27:48 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42377) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cP6By-0000RX-4m for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cP6Bx-0006QS-0t for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:46 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:52846) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cP6Bw-0006Pc-Ov for qemu-devel@nongnu.org; Thu, 05 Jan 2017 06:26:44 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v05BO2XC016679 for ; Thu, 5 Jan 2017 06:26:43 -0500 Received: from e28smtp01.in.ibm.com (e28smtp01.in.ibm.com [125.16.236.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 27sk0kem15-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 05 Jan 2017 06:26:43 -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; Thu, 5 Jan 2017 16:56:37 +0530 Received: from d28relay10.in.ibm.com (d28relay10.in.ibm.com [9.184.220.161]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 5D0DEE0045; Thu, 5 Jan 2017 16:57:33 +0530 (IST) Received: from d28av06.in.ibm.com (d28av06.in.ibm.com [9.184.220.48]) by d28relay10.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v05BPot427721878; Thu, 5 Jan 2017 16:55:50 +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 v05BQZOa030336; Thu, 5 Jan 2017 16:56:36 +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 v05BQRB7029840; Thu, 5 Jan 2017 16:56:35 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Thu, 5 Jan 2017 16:56:11 +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: 17010511-7323-0000-0000-0000009E7B90 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010511-7324-0000-0000-0000020AF71F Message-Id: <1483615579-17618-7-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: 148.163.156.1 Subject: [Qemu-devel] [PATCH 06/14] target-ppc: Add xsaddqp 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 xsaddqp: VSX Scalar Add Quad-Precision Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania --- target-ppc/fpu_helper.c | 36 ++++++++++++++++++++++++++++++++++++ target-ppc/helper.h | 1 + target-ppc/internal.h | 2 ++ target-ppc/translate/vsx-impl.inc.c | 1 + target-ppc/translate/vsx-ops.inc.c | 1 + 5 files changed, 41 insertions(+) diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 913d54e..d48cf51 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -108,6 +108,7 @@ void helper_compute_fprf_##tp(CPUPPCState *env, tp arg) \ } COMPUTE_FPRF(float64) +COMPUTE_FPRF(float128) /* Floating-point invalid operations exception */ static inline __attribute__((__always_inline__)) @@ -1827,6 +1828,41 @@ VSX_ADD_SUB(xssubsp, sub, 1, float64, VsrD(0), 1, 1) VSX_ADD_SUB(xvsubdp, sub, 2, float64, VsrD(i), 0, 0) VSX_ADD_SUB(xvsubsp, sub, 4, float32, VsrW(i), 0, 0) +void helper_xsaddqp(CPUPPCState *env, uint32_t opcode) +{ + ppc_vsr_t xt, xa, xb; + float_status tstat; + + getVSR(xA(opcode), &xa, env); + getVSR(xB(opcode), &xb, env); + getVSR(xT(opcode), &xt, env); + helper_reset_fpstatus(env); + + if (unlikely(Rc(opcode) != 0)) { + /* TODO: Support xsadddpo after round-to-odd is implemented */ + abort(); + } + + tstat = env->fp_status; + set_float_exception_flags(0, &tstat); + xt.f128 = float128_add(xa.f128, xb.f128, &tstat); + env->fp_status.float_exception_flags |= tstat.float_exception_flags; + + if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { + if (float128_is_infinity(xa.f128) && float128_is_infinity(xb.f128)) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); + } else if (float128_is_signaling_nan(xa.f128, &tstat) || + float128_is_signaling_nan(xb.f128, &tstat)) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); + } + } + + helper_compute_fprf_float128(env, xt.f128); + + putVSR(xT(opcode), &xt, env); + float_check_status(env); +} + /* VSX_MUL - VSX floating point multiply * op - instruction mnemonic * nels - number of elements (1, 2 or 4) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 04e688d..cd7b608 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -400,6 +400,7 @@ DEF_HELPER_4(bcdcpsgn, i32, avr, avr, avr, i32) DEF_HELPER_3(bcdsetsgn, i32, avr, avr, i32) DEF_HELPER_2(xsadddp, void, env, i32) +DEF_HELPER_2(xsaddqp, void, env, i32) DEF_HELPER_2(xssubdp, void, env, i32) DEF_HELPER_2(xsmuldp, void, env, i32) DEF_HELPER_2(xsdivdp, void, env, i32) diff --git a/target-ppc/internal.h b/target-ppc/internal.h index 66cde46..f4f02e5 100644 --- a/target-ppc/internal.h +++ b/target-ppc/internal.h @@ -206,6 +206,7 @@ typedef union _ppc_vsr_t { uint64_t u64[2]; float32 f32[4]; float64 f64[2]; + float128 f128; Int128 s128; } ppc_vsr_t; @@ -241,4 +242,5 @@ static inline void putVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env) } } +void helper_compute_fprf_float128(CPUPPCState *env, float128 arg); #endif /* PPC_INTERNAL_H */ diff --git a/target-ppc/translate/vsx-impl.inc.c b/target-ppc/translate/vsx-impl.inc.c index c9ba0f5..51ac183 100644 --- a/target-ppc/translate/vsx-impl.inc.c +++ b/target-ppc/translate/vsx-impl.inc.c @@ -777,6 +777,7 @@ static void gen_##name(DisasContext * ctx) \ } GEN_VSX_HELPER_2(xsadddp, 0x00, 0x04, 0, PPC2_VSX) +GEN_VSX_HELPER_2(xsaddqp, 0x04, 0x00, 0, PPC2_ISA300) GEN_VSX_HELPER_2(xssubdp, 0x00, 0x05, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsmuldp, 0x00, 0x06, 0, PPC2_VSX) GEN_VSX_HELPER_2(xsdivdp, 0x00, 0x07, 0, PPC2_VSX) diff --git a/target-ppc/translate/vsx-ops.inc.c b/target-ppc/translate/vsx-ops.inc.c index 096d358..1155765 100644 --- a/target-ppc/translate/vsx-ops.inc.c +++ b/target-ppc/translate/vsx-ops.inc.c @@ -123,6 +123,7 @@ GEN_XX2FORM(xvnegsp, 0x12, 0x1B, PPC2_VSX), GEN_XX3FORM(xvcpsgnsp, 0x00, 0x1A, PPC2_VSX), GEN_XX3FORM(xsadddp, 0x00, 0x04, PPC2_VSX), +GEN_VSX_XFORM_300(xsaddqp, 0x04, 0x00, 0x0), GEN_XX3FORM(xssubdp, 0x00, 0x05, PPC2_VSX), GEN_XX3FORM(xsmuldp, 0x00, 0x06, PPC2_VSX), GEN_XX3FORM(xsdivdp, 0x00, 0x07, PPC2_VSX),