From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by sourceware.org (Postfix) with ESMTPS id 1722C3858427 for ; Fri, 26 Aug 2022 17:25:41 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 1722C3858427 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=linux.ibm.com Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27QHLdoO019240; Fri, 26 Aug 2022 17:25:39 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=pp1; bh=Ca9tvLemJwI/qbU3Zc6VPnkWJGhLglp3neZDQHQn/so=; b=Itg7gbndm7Ri6C0/TdiPyayc0qugTVlbZSeJjnklK7/kpynJvr6umXptx+bRKWwCFJf7 9IUscGLuPL3RUUGp87E1q2r6XkLhI0WP/xOgq417G7FrsEkCco9jD20ma+dIW4uhjIA9 TeZb2/MOZvl40S+5utw/A+bYxzG279ejU/xjiBvPeMHa8DTPoXqvYERXRSUSic7SnIES o3/ueXSoOtFpdvxKKmjYc93eqJOd6xerM508uRmK+D6M1y4YOLszHGw4V0oxHO/3CGEI P/QEZrrW1eU94jTh4HcOrJzp7PJC+U5Aj4FzPEhEFhw8hUFYhh8gfznO6RuCZgUH17zP 8Q== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3j72gpg1sx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Aug 2022 17:25:39 +0000 Received: from m0098420.ppops.net (m0098420.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 27QHMPTK020132; Fri, 26 Aug 2022 17:25:38 GMT Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3j72gpg1se-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Aug 2022 17:25:38 +0000 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 27QH6t3l013186; Fri, 26 Aug 2022 17:25:38 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma01dal.us.ibm.com with ESMTP id 3j2q8as7y7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 26 Aug 2022 17:25:38 +0000 Received: from b01ledav004.gho.pok.ibm.com (b01ledav004.gho.pok.ibm.com [9.57.199.109]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 27QHPbja17695318 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 26 Aug 2022 17:25:37 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3545B112062; Fri, 26 Aug 2022 17:25:37 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E5C7E112061; Fri, 26 Aug 2022 17:25:36 +0000 (GMT) Received: from toto.the-meissners.org (unknown [9.160.69.146]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTPS; Fri, 26 Aug 2022 17:25:36 +0000 (GMT) Date: Fri, 26 Aug 2022 13:25:35 -0400 From: Michael Meissner To: Jakub Jelinek Cc: Michael Meissner , Richard Biener , "Joseph S. Myers" , Jeff Law , gcc-patches@gcc.gnu.org, FX Subject: Re: [PATCH] Implement __builtin_issignaling Message-ID: Mail-Followup-To: Michael Meissner , Jakub Jelinek , Richard Biener , "Joseph S. Myers" , Jeff Law , gcc-patches@gcc.gnu.org, FX References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-GUID: octAXBa5u1gKWGTsIX6RuDhuMTRr6Tnr X-Proofpoint-ORIG-GUID: 6QaNXmnaTEQKDFyv4Pj1NTO-MtpWeYgV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-26_09,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 spamscore=0 impostorscore=0 mlxlogscore=559 malwarescore=0 adultscore=0 bulkscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 suspectscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208260066 X-Spam-Status: No, score=-3.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Thu, Aug 25, 2022 at 09:56:18PM +0200, Jakub Jelinek wrote: > On Thu, Aug 25, 2022 at 03:23:12PM -0400, Michael Meissner wrote: > > On Mon, Aug 15, 2022 at 12:12:02PM +0200, Jakub Jelinek via Gcc-patches wrote: > > > Hi! > > > > > > The following patch implements a new builtin, __builtin_issignaling, > > > which can be used to implement the ISO/IEC TS 18661-1 issignaling > > > macro. > > > > I haven't looked in detail at the patch, but from the description I think it > > needs a way for machine dependent parts to optimize this for a given mode when > > various switches are used. > > There is an optab which takes priority over the generic code. > So if you have something better than the generic expansion, feel free to add > the named pattern(s). > Currently it is used just on x86 for xf mode. That is good to know. When I looked into before, I didn't notice there was an optab for the case. -- Michael Meissner, IBM PO Box 98, Ayer, Massachusetts, USA, 01432 email: meissner@linux.ibm.com