From owner-freebsd-toolchain@freebsd.org Mon Mar 25 18:32:13 2019 Return-Path: Delivered-To: freebsd-toolchain@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 844EC1549201; Mon, 25 Mar 2019 18:32:13 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "troutmask", Issuer "troutmask" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 25F518207E; Mon, 25 Mar 2019 18:32:12 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (localhost [127.0.0.1]) by troutmask.apl.washington.edu (8.15.2/8.15.2) with ESMTPS id x2PI7H6B009113 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 25 Mar 2019 11:07:17 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.15.2/8.15.2/Submit) id x2PI7HpS009112; Mon, 25 Mar 2019 11:07:17 -0700 (PDT) (envelope-from sgk) Date: Mon, 25 Mar 2019 11:07:17 -0700 From: Steve Kargl To: freebsd-toolchain@freebsd.org, freebsd-current@freebsd.org Subject: Re: Optimization bug with floating-point? Message-ID: <20190325180717.GA9098@troutmask.apl.washington.edu> Reply-To: sgk@troutmask.apl.washington.edu References: <20190313024506.GA31746@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190313024506.GA31746@troutmask.apl.washington.edu> User-Agent: Mutt/1.11.2 (2019-01-07) X-Rspamd-Queue-Id: 25F518207E X-Spamd-Bar: ++ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [2.56 / 15.00]; ARC_NA(0.00)[]; HAS_REPLYTO(0.00)[sgk@troutmask.apl.washington.edu]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_SPAM_MEDIUM(0.09)[0.092,0]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; TO_DN_NONE(0.00)[]; AUTH_NA(1.00)[]; DMARC_NA(0.00)[washington.edu]; RCVD_COUNT_THREE(0.00)[3]; RCVD_TLS_LAST(0.00)[]; NEURAL_SPAM_SHORT(0.74)[0.742,0]; RCVD_IN_DNSWL_MED(-0.20)[21.76.95.128.list.dnswl.org : 127.0.11.2]; RCPT_COUNT_TWO(0.00)[2]; REPLYTO_ADDR_EQ_FROM(0.00)[]; MX_GOOD(-0.01)[troutmask.apl.washington.edu]; NEURAL_SPAM_LONG(0.01)[0.011,0]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:73, ipnet:128.95.0.0/16, country:US]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(0.02)[ip: (0.09), ipnet: 128.95.0.0/16(0.08), asn: 73(0.01), country: US(-0.07)] X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Mar 2019 18:32:13 -0000 On Tue, Mar 12, 2019 at 07:45:41PM -0700, Steve Kargl wrote: > All, > > There seems to an optimization bug with clang on > > % uname -a > FreeBSD mobile 13.0-CURRENT FreeBSD 13.0-CURRENT r344653 MOBILE i386 > > IOW, if you do numerica work on i386, you may want to check your > results. This is now https://bugs.llvm.org/show_bug.cgi?id=41224 -- Steve