From patchwork Mon Jan 9 14:26:13 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: 9504897 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 B983E606E1 for ; Mon, 9 Jan 2017 14:27:28 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AAFA128112 for ; Mon, 9 Jan 2017 14:27:28 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9F936284E8; Mon, 9 Jan 2017 14:27:28 +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 1A6CE28112 for ; Mon, 9 Jan 2017 14:27:27 +0000 (UTC) Received: from localhost ([::1]:40179 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQav0-0004Wn-9T for patchwork-qemu-devel@patchwork.kernel.org; Mon, 09 Jan 2017 09:27:26 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44262) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQauO-0004R3-0v for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQauJ-00019D-OH for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:48 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:36307) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cQauJ-00018v-Ec for qemu-devel@nongnu.org; Mon, 09 Jan 2017 09:26:43 -0500 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id v09ENjMM146288 for ; Mon, 9 Jan 2017 09:26:42 -0500 Received: from e23smtp07.au.ibm.com (e23smtp07.au.ibm.com [202.81.31.140]) by mx0a-001b2d01.pphosted.com with ESMTP id 27vc360ns6-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 09 Jan 2017 09:26:42 -0500 Received: from localhost by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 10 Jan 2017 00:26:36 +1000 Received: from d23relay06.au.ibm.com (d23relay06.au.ibm.com [9.185.63.219]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 222AC2BB0055; Tue, 10 Jan 2017 01:26:36 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay06.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v09EQaOl49217702; Tue, 10 Jan 2017 01:26:36 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v09EQZSk002646; Tue, 10 Jan 2017 01:26:35 +1100 Received: from abhimanyu.in.ibm.com ([9.199.45.179]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v09EQNgn002427; Tue, 10 Jan 2017 01:26:31 +1100 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 9 Jan 2017 19:56:13 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483971975-5612-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1483971975-5612-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17010914-0044-0000-0000-0000021AABA6 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17010914-0045-0000-0000-000006527ECB Message-Id: <1483971975-5612-2-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-01-09_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-1701090212 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 v2 1/3] 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 | 1 + target/ppc/translate/vsx-impl.inc.c | 1 + target/ppc/translate/vsx-ops.inc.c | 1 + 5 files changed, 40 insertions(+) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 01b335f..6e7279c 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -111,6 +111,7 @@ void helper_compute_fprf_##tp(CPUPPCState *env, tp arg) \ COMPUTE_FPRF(float16) COMPUTE_FPRF(float32) COMPUTE_FPRF(float64) +COMPUTE_FPRF(float128) /* Floating-point invalid operations exception */ static inline __attribute__((__always_inline__)) @@ -1830,6 +1831,41 @@ 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(rA(opcode) + 32, &xa, env); + getVSR(rB(opcode) + 32, &xb, env); + getVSR(rD(opcode) + 32, &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(rD(opcode) + 32, &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 5f290c6..889fe55 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 c1718d8..8dcc679 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; diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 33e934f..113ccf3 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 bfcd09e..882e11b 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -130,6 +130,7 @@ 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),