From nobody Sat May 4 03:00:50 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1488636274532977.4434838921401; Sat, 4 Mar 2017 06:04:34 -0800 (PST) Received: from localhost ([::1]:35486 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ckAIT-0006O4-EX for importer@patchew.org; Sat, 04 Mar 2017 09:04:33 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41918) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ckAGV-0005Ws-Fh for qemu-devel@nongnu.org; Sat, 04 Mar 2017 09:02:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ckAGR-00042t-9M for qemu-devel@nongnu.org; Sat, 04 Mar 2017 09:02:31 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:49514) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ckAGQ-00042N-UT for qemu-devel@nongnu.org; Sat, 04 Mar 2017 09:02:27 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v24DxIJK127627 for ; Sat, 4 Mar 2017 09:02:24 -0500 Received: from e28smtp06.in.ibm.com (e28smtp06.in.ibm.com [125.16.236.6]) by mx0a-001b2d01.pphosted.com with ESMTP id 28yxxj84p1-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sat, 04 Mar 2017 09:02:24 -0500 Received: from localhost by e28smtp06.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Sat, 4 Mar 2017 19:32:20 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id D9BCE394005E; Sat, 4 Mar 2017 19:32:19 +0530 (IST) Received: from d28av08.in.ibm.com (d28av08.in.ibm.com [9.184.220.148]) by d28relay02.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v24E2J2F11206798; Sat, 4 Mar 2017 19:32:19 +0530 Received: from d28av08.in.ibm.com (localhost [127.0.0.1]) by d28av08.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v24E2IMb016394; Sat, 4 Mar 2017 19:32:19 +0530 Received: from abhimanyu.in.ibm.com ([9.102.3.232]) by d28av08.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v24E2FfX016380; Sat, 4 Mar 2017 19:32:15 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Sat, 4 Mar 2017 19:32:07 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488636129-19409-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1488636129-19409-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17030414-0020-0000-0000-000000C8CB0F X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17030414-0021-0000-0000-00000286DFD8 Message-Id: <1488636129-19409-2-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-03-04_09:, , 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=8.0.1-1702020001 definitions=main-1703040107 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 v1 1/3] target/ppc: fmadd check for excp independently 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Current order of checking does not confirm with the spec (ISA 3.0: MultiplyAddDP page-469). Change the order and make them independent of each other. For example: a =3D infinity, b =3D zero, c =3D SNaN, this should set both VXIMZ and VXNAN Signed-off-by: Nikunj A Dadhania --- target/ppc/fpu_helper.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 0535ad0..a547f58 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -747,17 +747,21 @@ static void float64_maddsub_update_excp(CPUPPCState *= env, float64 arg1, float64 arg2, float64 arg3, unsigned int madd_flags) { + if (unlikely(float64_is_signaling_nan(arg1, &env->fp_status) || + float64_is_signaling_nan(arg2, &env->fp_status) || + float64_is_signaling_nan(arg3, &env->fp_status))) { + /* sNaN operation */ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); + } + if (unlikely((float64_is_infinity(arg1) && float64_is_zero(arg2)) || (float64_is_zero(arg1) && float64_is_infinity(arg2)))) { /* Multiplication of zero by infinity */ - arg1 =3D float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); - } else if (unlikely(float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status) || - float64_is_signaling_nan(arg3, &env->fp_status))) { - /* sNaN operation */ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); - } else if ((float64_is_infinity(arg1) || float64_is_infinity(arg2)) && - float64_is_infinity(arg3)) { + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); + } + + if ((float64_is_infinity(arg1) || float64_is_infinity(arg2)) && + float64_is_infinity(arg3)) { uint8_t aSign, bSign, cSign; =20 aSign =3D float64_is_neg(arg1); --=20 2.7.4 From nobody Sat May 4 03:00:50 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1488636311230905.9699662103263; Sat, 4 Mar 2017 06:05:11 -0800 (PST) Received: from localhost ([::1]:35487 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ckAJ4-0006kq-2D for importer@patchew.org; Sat, 04 Mar 2017 09:05:10 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41944) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ckAGX-0005Xh-6i for qemu-devel@nongnu.org; Sat, 04 Mar 2017 09:02:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ckAGS-00043H-54 for qemu-devel@nongnu.org; Sat, 04 Mar 2017 09:02:33 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:44153) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ckAGR-00042j-S2 for qemu-devel@nongnu.org; Sat, 04 Mar 2017 09:02:28 -0500 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v24DxPnY114335 for ; Sat, 4 Mar 2017 09:02:26 -0500 Received: from e28smtp09.in.ibm.com (e28smtp09.in.ibm.com [125.16.236.9]) by mx0a-001b2d01.pphosted.com with ESMTP id 28ytm2ge33-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sat, 04 Mar 2017 09:02:26 -0500 Received: from localhost by e28smtp09.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Sat, 4 Mar 2017 19:32:21 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id 3D44A125804F; Sat, 4 Mar 2017 19:32:34 +0530 (IST) Received: from d28av08.in.ibm.com (d28av08.in.ibm.com [9.184.220.148]) by d28relay01.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v24E2K0c40763414; Sat, 4 Mar 2017 19:32:20 +0530 Received: from d28av08.in.ibm.com (localhost [127.0.0.1]) by d28av08.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v24E2JuT016401; Sat, 4 Mar 2017 19:32:19 +0530 Received: from abhimanyu.in.ibm.com ([9.102.3.232]) by d28av08.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v24E2FfY016380; Sat, 4 Mar 2017 19:32:18 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Sat, 4 Mar 2017 19:32:08 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488636129-19409-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1488636129-19409-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17030414-0032-0000-0000-000001F3C729 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17030414-0033-0000-0000-00001226D804 Message-Id: <1488636129-19409-3-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-03-04_09:, , 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=8.0.1-1702020001 definitions=main-1703040107 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 v1 2/3] target/ppc: fmadd: add macro for updating flags 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Adds FPU_MADDSUB_UPDATE macro, this will be used for other routines having float32/16 Signed-off-by: Nikunj A Dadhania --- target/ppc/fpu_helper.c | 61 ++++++++++++++++++++++++---------------------= ---- 1 file changed, 30 insertions(+), 31 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index a547f58..13bd6ce 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -743,38 +743,37 @@ uint64_t helper_frim(CPUPPCState *env, uint64_t arg) return do_fri(env, arg, float_round_down); } =20 -static void float64_maddsub_update_excp(CPUPPCState *env, float64 arg1, - float64 arg2, float64 arg3, - unsigned int madd_flags) -{ - if (unlikely(float64_is_signaling_nan(arg1, &env->fp_status) || - float64_is_signaling_nan(arg2, &env->fp_status) || - float64_is_signaling_nan(arg3, &env->fp_status))) { - /* sNaN operation */ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); - } - - if (unlikely((float64_is_infinity(arg1) && float64_is_zero(arg2)) || - (float64_is_zero(arg1) && float64_is_infinity(arg2)))) { - /* Multiplication of zero by infinity */ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); - } - - if ((float64_is_infinity(arg1) || float64_is_infinity(arg2)) && - float64_is_infinity(arg3)) { - uint8_t aSign, bSign, cSign; - - aSign =3D float64_is_neg(arg1); - bSign =3D float64_is_neg(arg2); - cSign =3D float64_is_neg(arg3); - if (madd_flags & float_muladd_negate_c) { - cSign ^=3D 1; - } - if (aSign ^ bSign ^ cSign) { - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); - } - } +#define FPU_MADDSUB_UPDATE(NAME, TP) \ +static void NAME(CPUPPCState *env, TP arg1, TP arg2, TP arg3, \ + unsigned int madd_flags) \ +{ \ + if (TP##_is_signaling_nan(arg1, &env->fp_status) || \ + TP##_is_signaling_nan(arg2, &env->fp_status) || \ + TP##_is_signaling_nan(arg3, &env->fp_status)) { \ + /* sNaN operation */ \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); \ + } \ + if ((TP##_is_infinity(arg1) && TP##_is_zero(arg2)) || \ + (TP##_is_zero(arg1) && TP##_is_infinity(arg2))) { \ + /* Multiplication of zero by infinity */ \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1); \ + } \ + if ((TP##_is_infinity(arg1) || TP##_is_infinity(arg2)) && \ + TP##_is_infinity(arg3)) { \ + uint8_t aSign, bSign, cSign; \ + \ + aSign =3D TP##_is_neg(arg1); \ + bSign =3D TP##_is_neg(arg2); \ + cSign =3D TP##_is_neg(arg3); \ + if (madd_flags & float_muladd_negate_c) { \ + cSign ^=3D 1; \ + } \ + if (aSign ^ bSign ^ cSign) { \ + float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1); \ + } \ + } \ } +FPU_MADDSUB_UPDATE(float64_maddsub_update_excp, float64) =20 #define FPU_FMADD(op, madd_flags) \ uint64_t helper_##op(CPUPPCState *env, uint64_t arg1, \ --=20 2.7.4 From nobody Sat May 4 03:00:50 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1488636380077578.3187168346105; 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Violators will be prosecuted; Sat, 4 Mar 2017 19:32:21 +0530 Received: from d28relay10.in.ibm.com (d28relay10.in.ibm.com [9.184.220.161]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 84585E0040; Sat, 4 Mar 2017 19:34:08 +0530 (IST) Received: from d28av08.in.ibm.com (d28av08.in.ibm.com [9.184.220.148]) by d28relay10.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v24E1DYe12845254; Sat, 4 Mar 2017 19:31:13 +0530 Received: from d28av08.in.ibm.com (localhost [127.0.0.1]) by d28av08.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v24E2K13016410; Sat, 4 Mar 2017 19:32:20 +0530 Received: from abhimanyu.in.ibm.com ([9.102.3.232]) by d28av08.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v24E2FfZ016380; Sat, 4 Mar 2017 19:32:19 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Sat, 4 Mar 2017 19:32:09 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1488636129-19409-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1488636129-19409-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17030414-0012-0000-0000-000003C4BCE5 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17030414-0013-0000-0000-00001B49D1C7 Message-Id: <1488636129-19409-4-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-03-04_09:, , 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=8.0.1-1702020001 definitions=main-1703040107 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 v1 3/3] target/ppc: use helper for excp handling 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Use the helper routine float[32,64]_maddsub_update_excp() in VSX_MADD macro. Signed-off-by: Nikunj A Dadhania --- target/ppc/fpu_helper.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 13bd6ce..c4dab15 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -773,6 +773,7 @@ static void NAME(CPUPPCState *env, TP arg1, TP arg2, TP= arg3, \ } \ } \ } +FPU_MADDSUB_UPDATE(float32_maddsub_update_excp, float32) FPU_MADDSUB_UPDATE(float64_maddsub_update_excp, float64) =20 #define FPU_FMADD(op, madd_flags) \ @@ -2239,24 +2240,7 @@ void helper_##op(CPUPPCState *env, uint32_t opcode) = \ env->fp_status.float_exception_flags |=3D tstat.float_exception_fl= ags; \ = \ if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { = \ - if (tp##_is_signaling_nan(xa.fld, &tstat) || = \ - tp##_is_signaling_nan(b->fld, &tstat) || = \ - tp##_is_signaling_nan(c->fld, &tstat)) { = \ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf);= \ - tstat.float_exception_flags &=3D ~float_flag_invalid; = \ - } = \ - if ((tp##_is_infinity(xa.fld) && tp##_is_zero(b->fld)) || = \ - (tp##_is_zero(xa.fld) && tp##_is_infinity(b->fld))) { = \ - xt_out.fld =3D float64_to_##tp(float_invalid_op_excp(env, = \ - POWERPC_EXCP_FP_VXIMZ, sfprf), &env->fp_status); = \ - tstat.float_exception_flags &=3D ~float_flag_invalid; = \ - } = \ - if ((tstat.float_exception_flags & float_flag_invalid) && = \ - ((tp##_is_infinity(xa.fld) || = \ - tp##_is_infinity(b->fld)) && = \ - tp##_is_infinity(c->fld))) { = \ - float_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, sfprf); = \ - } = \ + tp##_maddsub_update_excp(env, xa.fld, b->fld, c->fld, maddflgs= ); \ } = \ = \ if (r2sp) { = \ --=20 2.7.4