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Thu, 16 Dec 2021 20:18:41 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 983D442041; Thu, 16 Dec 2021 20:26:43 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5D9E64204C; Thu, 16 Dec 2021 20:26:43 +0000 (GMT) Received: from smtp.tlslab.ibm.com (unknown [9.101.4.1]) by d06av24.portsmouth.uk.ibm.com (Postfix) with SMTP; Thu, 16 Dec 2021 20:26:43 +0000 (GMT) Received: from yukon.ibmuc.com (unknown [9.171.48.122]) by smtp.tlslab.ibm.com (Postfix) with ESMTP id A9964220238; Thu, 16 Dec 2021 21:26:42 +0100 (CET) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PULL 039/101] target/ppc: Do not call do_float_check_status from do_fmadd Date: Thu, 16 Dec 2021 21:25:12 +0100 Message-Id: <20211216202614.414266-40-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211216202614.414266-1-clg@kaod.org> References: <20211216202614.414266-1-clg@kaod.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: PwgGQ2qf0W-RZtHnaV6lrXiqYm1bgMwM X-Proofpoint-ORIG-GUID: PwgGQ2qf0W-RZtHnaV6lrXiqYm1bgMwM 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=2021-12-16_08,2021-12-16_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 impostorscore=0 spamscore=0 clxscore=1034 adultscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 mlxlogscore=595 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112160109 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: softfail client-ip=148.163.158.5; envelope-from=clg@kaod.org; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -7 X-Spam_score: -0.8 X-Spam_bar: / X-Spam_report: (-0.8 / 5.0 requ) BAYES_00=-1.9, KHOP_HELO_FCRDNS=0.399, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@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=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1639687716400100001 Content-Type: text/plain; charset="utf-8" From: Richard Henderson We will process flags other than in valid in helper_float_check_status, which is invoked after the writeback to FRT. Fixes a bug in which FRT is not written when OE/UE/XE are enabled. Signed-off-by: Richard Henderson Message-Id: <20211119160502.17432-21-richard.henderson@linaro.org> Signed-off-by: C=C3=A9dric Le Goater --- target/ppc/fpu_helper.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c index d7e0362e808e..dd9d40f74b9b 100644 --- a/target/ppc/fpu_helper.c +++ b/target/ppc/fpu_helper.c @@ -699,11 +699,8 @@ static float64 do_fmadd(CPUPPCState *env, float64 a, f= loat64 b, float64 ret =3D float64_muladd(a, b, c, madd_flags, &env->fp_status); int flags =3D get_float_exception_flags(&env->fp_status); =20 - if (flags) { - if (flags & float_flag_invalid) { - float_invalid_op_madd(env, flags, 1, retaddr); - } - do_float_check_status(env, retaddr); + if (unlikely(flags & float_flag_invalid)) { + float_invalid_op_madd(env, flags, 1, retaddr); } return ret; } --=20 2.31.1