From nobody Tue Jun 11 05:56:30 2024 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Vyybt5NXvz5NjwH for ; Tue, 11 Jun 2024 05:56:42 +0000 (UTC) (envelope-from kargls@comcast.net) Received: from resqmta-h2p-567353.sys.comcast.net (resqmta-h2p-567353.sys.comcast.net [IPv6:2001:558:fd02:2446::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Vyybs3SsGz3x9b for ; Tue, 11 Jun 2024 05:56:41 +0000 (UTC) (envelope-from kargls@comcast.net) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=comcast.net header.s=20190202a header.b=2yWC7pOz; dmarc=pass (policy=none) header.from=comcast.net; spf=pass (mx1.freebsd.org: domain of kargls@comcast.net designates 2001:558:fd02:2446::3 as permitted sender) smtp.mailfrom=kargls@comcast.net Received: from resomta-h2p-555359.sys.comcast.net ([96.102.179.201]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 256/256 bits) (Client did not present a certificate) by resqmta-h2p-567353.sys.comcast.net with ESMTPS id GuRfsRNqyTdNaGuUjsbJEp; Tue, 11 Jun 2024 05:56:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=20190202a; t=1718085393; bh=7vS0o2pEtJ4oUHOE2/uWA24W73x3CxZ60a+InyHxk4U=; h=Received:Received:Message-ID:Date:MIME-Version:Subject:From:To: Content-Type:Xfinity-Spam-Result; b=2yWC7pOzgz6iONvY/Psx0uHNphRin0QxuFtsY3lKOHSzgXB7pAlE2Geq3Yp6SDMg8 w8XYizJfMA+N0ZEAmSp0O7OdCYVDzz5+n+gCQSMJ1SPIVvgx4nDvLFA+2wmlD8BkAT s+914IKBqe1rI1xZBBTTiakY11gKieYp+5tjLQN7+aUqqCexLBTtXGFHJPGsHzZYJy HEQf+1gG53AUa1aLlJJkFvPlreAsOX3tZpM3bs1hZiUy4+bb6u9ngWqPrAMdaEpdDz 4Tt2Iy11EdNuhjGlqH3Jp1yRaZJYXlBhC1PBjvKRl15PeDS3V/o+dBBUndUa7gCL2N nedh7lWLlCIXA== Received: from [10.0.0.95] ([76.146.78.191]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 256/256 bits) (Client did not present a certificate) by resomta-h2p-555359.sys.comcast.net with ESMTPSA id GuUhs2vWhUCWWGuUisaIg1; Tue, 11 Jun 2024 05:56:33 +0000 Message-ID: Date: Mon, 10 Jun 2024 22:56:30 -0700 List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: git: 888796ade284 - main - libm: fma: correct zero sign with small inputs From: Steve Kargl To: Ryan Libby , Ed Maste , kargl@freebsd.org Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org References: <202406081556.458FuJYN022360@gitrepo.freebsd.org> <2f772a89-50c5-4005-876e-8893e9f59e7c@comcast.net> Content-Language: en-US In-Reply-To: <2f772a89-50c5-4005-876e-8893e9f59e7c@comcast.net> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CMAE-Envelope: MS4xfGmDgPwnHk2ZNxkgKSgFgKMKZTHz6g+kxhGdmy5BXnrrqaasfBKknB0SZ+7SnJicP5kuK0WztNCzwt2ZHMYtf5ikmpCfQBojshS1vqNaAVvysBZhIlGD WGBnZ3j+1fZcD7eX2cnV0YQrGkV1UQhvNBsw8HyMtSYUKTXvPruI7DTxei9eblcIyEDmOSeXGIa4swiFMCVMaS6oRwPP0hdDffZiImH4n/br4ZxEGkSAFvmg sSPXBNZFLLD2sVdskqAh/TvHEBeBmArRqZoIxi4zv1mVqCpARF4v/qTN1XnX1XF6KoS11YZvVaP6dCyDnrB9Zj7aiDkM6hC8JHIrzg960qmHOm0lKXdf3643 z/Ie0dJlWHb+Zyp01JW8EfZw1JR+Hw== X-Spamd-Bar: / X-Spamd-Result: default: False [0.33 / 15.00]; HFILTER_HELO_5(3.00)[resqmta-h2p-567353.sys.comcast.net]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[comcast.net,none]; NEURAL_SPAM_SHORT(0.32)[0.317]; R_DKIM_ALLOW(-0.20)[comcast.net:s=20190202a]; R_SPF_ALLOW(-0.20)[+ip6:2001:558:fd02:2446::/64:c]; MIME_GOOD(-0.10)[text/plain]; XM_UA_NO_VERSION(0.01)[]; FREEMAIL_TO(0.00)[gmail.com,freebsd.org]; TO_DN_SOME(0.00)[]; ARC_NA(0.00)[]; FREEMAIL_FROM(0.00)[comcast.net]; FREEMAIL_ENVFROM(0.00)[comcast.net]; MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[comcast.net:+]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DWL_DNSWL_NONE(0.00)[comcast.net:dkim]; MLMMJ_DEST(0.00)[dev-commits-src-main@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:7922, ipnet:2001:558::/29, country:US]; RCPT_COUNT_FIVE(0.00)[6] X-Rspamd-Queue-Id: 4Vyybs3SsGz3x9b On 6/10/24 19:57, Steve Kargl wrote > > % gcc13 -fno-builtin -o z a.c -I/usr/local/include -L/usr/local/lib > -lmpfr -lgmp -lm > % ./z >  0.0000000000000000e+00  0.000000e+00 > -0.0000000000000000e+00 -0.000000e+00 >  0.0000000000000000e+00  0.000000e+00 >  0.0000000000000000e+00  0.000000e+00 I was in the wrong source tree.  Ryan is right that there seems to be an issue. I need to go back to the original test to see what corner fma[l] is hitting. -- steve