From patchwork Wed Dec 15 17:02:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 1568502 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4JDj4n6v6Cz9s5P for ; Thu, 16 Dec 2021 04:32:57 +1100 (AEDT) Received: from localhost ([::1]:45694 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mxY99-0003IJ-PO for incoming@patchwork.ozlabs.org; Wed, 15 Dec 2021 12:32:55 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39002) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mxXhy-0004RA-V0; 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Wed, 15 Dec 2021 17:04:17 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1BFH4F2529950234 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 15 Dec 2021 17:04:15 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 81EC311C058; Wed, 15 Dec 2021 17:04:15 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 48DF211C052; Wed, 15 Dec 2021 17:04:15 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av25.portsmouth.uk.ibm.com (Postfix) with SMTP; Wed, 15 Dec 2021 17:04:15 +0000 (GMT) Received: from yukon.home (unknown [9.171.19.61]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id 91794220295; Wed, 15 Dec 2021 18:04:14 +0100 (CET) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PULL 030/102] target/ppc: Move float_check_status from FPU_FCTI to translate Date: Wed, 15 Dec 2021 18:02:45 +0100 Message-Id: <20211215170357.321643-18-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211215170357.321643-1-clg@kaod.org> References: <20211215165847.321042-1-clg@kaod.org> <20211215170357.321643-1-clg@kaod.org> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: czRDUke5CKZLgqqR-beyl3NGnkPkY11B X-Proofpoint-GUID: czRDUke5CKZLgqqR-beyl3NGnkPkY11B X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-15_10,2021-12-14_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=953 bulkscore=0 priorityscore=1501 mlxscore=0 malwarescore=0 phishscore=0 suspectscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 clxscore=1034 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112150098 Received-SPF: softfail client-ip=148.163.158.5; envelope-from=clg@kaod.org; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -11 X-Spam_score: -1.2 X-Spam_bar: - X-Spam_report: (-1.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-ppc@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Richard Henderson , =?utf-8?q?C=C3=A9dric_Le_?= =?utf-8?q?Goater?= Errors-To: qemu-ppc-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-ppc" From: Richard Henderson Fixes a bug in which e.g XE enabled causes inexact to be raised before the writeback to the architectural register. All of the users of GEN_FLOAT_B either set set_fprf, or are one of the convert-to-integer instructions that require this behaviour. Split out the two gen_helper_* calls in gen_compute_fprf_float64 and protect only the first with set_fprf. Signed-off-by: Richard Henderson Message-Id: <20211119160502.17432-12-richard.henderson@linaro.org> Signed-off-by: Cédric Le Goater --- target/ppc/fpu_helper.c | 9 +++------ target/ppc/translate/fp-impl.c.inc | 3 ++- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index 9bcd7abd165f..f453b0475116 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -600,12 +600,9 @@ uint64_t helper_##op(CPUPPCState *env, float64 arg) \ uint64_t ret = float64_to_##cvt(arg, &env->fp_status); \ int status = get_float_exception_flags(&env->fp_status); \ \ - if (unlikely(status)) { \ - if (status & float_flag_invalid) { \ - float_invalid_cvt(env, 1, GETPC(), float64_classify(arg)); \ - ret = nanval; \ - } \ - do_float_check_status(env, GETPC()); \ + if (unlikely(status & float_flag_invalid)) { \ + float_invalid_cvt(env, 1, GETPC(), float64_classify(arg)); \ + ret = nanval; \ } \ return ret; \ } diff --git a/target/ppc/translate/fp-impl.c.inc b/target/ppc/translate/fp-impl.c.inc index 8afd6a087d1d..0767e45d87d8 100644 --- a/target/ppc/translate/fp-impl.c.inc +++ b/target/ppc/translate/fp-impl.c.inc @@ -157,8 +157,9 @@ static void gen_f##name(DisasContext *ctx) \ gen_helper_f##name(t1, cpu_env, t0); \ set_fpr(rD(ctx->opcode), t1); \ if (set_fprf) { \ - gen_compute_fprf_float64(t1); \ + gen_helper_compute_fprf_float64(cpu_env, t1); \ } \ + gen_helper_float_check_status(cpu_env); \ if (unlikely(Rc(ctx->opcode) != 0)) { \ gen_set_cr1_from_fpscr(ctx); \ } \