From owner-dev-commits-src-all@freebsd.org Tue Sep 14 17:12:04 2021 Return-Path: Delivered-To: dev-commits-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 23E4166D12B; Tue, 14 Sep 2021 17:12:04 +0000 (UTC) (envelope-from andrew@fubar.geek.nz) Received: from fry.fubar.geek.nz (fry.fubar.geek.nz [139.59.165.16]) by mx1.freebsd.org (Postfix) with ESMTP id 4H88z76zmBz3F9B; Tue, 14 Sep 2021 17:12:03 +0000 (UTC) (envelope-from andrew@fubar.geek.nz) Received: from smtpclient.apple (cpc91232-cmbg18-2-0-cust554.5-4.cable.virginm.net [82.2.126.43]) by fry.fubar.geek.nz (Postfix) with ESMTPSA id 16A844E703; Tue, 14 Sep 2021 17:11:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fubar.geek.nz; s=mail; t=1631639517; bh=o3/qvZJg+yweuIv9K9P4W3NbOL9dEz137QL69GkZX1M=; h=Subject:From:In-Reply-To:Date:Cc:References:To; b=prIJnkidB4jjVISBO5fZm9WJ2+oiIdtnjJ2qvIjgdxuhNQGtXP0sJZ00Maq9Rte3a 9Nql3rYORwExPYvvqV8sVocaamU2rs9z60S3xhWdIfsyeoYtzvEE73/8vZ2IGzO/wX f85vW7rxeri6eHJgexqJ7brfFLxIKRUZGrKHtssNao6mkWV3r4DRV5HE6XPu/qaT1n SVS58Nk2dvEOi9Sv7ukUPNGMaG3YpAJQba1EI0CGmcFemJfiTMNwAynN7OeYkm2IEE wBYINCDxMHutErh9Ha/nKT86/DUzM3cfVrna/qUFXbrKPik7hhyv+uUb3LAF0oQHMv zOImSqE5FT91Eau+SMeqwNftHcD8KAHvS/t1DPk/Q2rmLuNPze6dqGZ7v7vzWElyGV PWRw0S1T2lkKPOzLmVr1gl/Z+xWpKyz6OpjWbGDrD9auIvAwSeFdLXgiGnWWDJzWtg X6gBzWqgmp7ui4E1eg15XjNeNSt7Q6/F0GdxKJKQZzW98usiTeDbXxrcbYWpUIu05F /EXdTLYZiyaQTlIGBvvkwbyxut4nriY4zSAgT6tJN2ptrOZYlf2boeRjLLZlwgV2Gd rxnncPtz40y/ioilG94f0nV16sLvHx2Nr8fiAt+7x8CWjCzUAQw5P8DziRR26ZByrM j1pUmst//7Tcuc2tPLsvQduk= Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: git: fd860ace3bde - main - Remove the DN flag from the initial arm64 fpcr value From: Andrew Turner X-Priority: 3 (Normal) In-Reply-To: <629177790.2.1631626955525@mailrelay> Date: Tue, 14 Sep 2021 18:11:56 +0100 Cc: Andrew Turner , "dev-commits-src-all@freebsd.org" , "src-committers@freebsd.org" , "dev-commits-src-main@freebsd.org" Message-Id: <7E354DA3-CC3D-4240-A4EF-320AD7728C59@fubar.geek.nz> References: <202109141253.18ECrVoR016500@gitrepo.freebsd.org> <629177790.2.1631626955525@mailrelay> To: Ronald Klop X-Mailer: Apple Mail (2.3654.120.0.1.13) X-Rspamd-Queue-Id: 4H88z76zmBz3F9B X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Sep 2021 17:12:04 -0000 I found it with the lldb test suite. I also checked the value Mac and = Linux initialised the register to & found it to be zero. Andrew > On 14 Sep 2021, at 14:42, Ronald Klop wrote: >=20 > Hi, >=20 > Do you have an example of this software? Just for my understanding. >=20 > Ronald. >=20 > Van: Andrew Turner > Datum: dinsdag, 14 september 2021 14:53 > Aan: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, = dev-commits-src-main@FreeBSD.org > Onderwerp: git: fd860ace3bde - main - Remove the DN flag from the = initial arm64 fpcr value >=20 > The branch main has been updated by andrew: >=20 > URL: = https://cgit.FreeBSD.org/src/commit/?id=3Dfd860ace3bded96bee0e5c090a5a4d8b= 085b700c = >=20 > commit fd860ace3bded96bee0e5c090a5a4d8b085b700c > Author: Andrew Turner > AuthorDate: 2021-08-25 10:05:55 +0000 > Commit: Andrew Turner > CommitDate: 2021-09-14 12:52:48 +0000 >=20 > Remove the DN flag from the initial arm64 fpcr value > =20 > This fixes software that expects NaN values to propagate. > =20 > Sponsored by: The FreeBSD Foundation > --- > sys/arm64/include/vfp.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/sys/arm64/include/vfp.h b/sys/arm64/include/vfp.h > index 629b1b7fadf4..bee0121d9d2a 100644 > --- a/sys/arm64/include/vfp.h > +++ b/sys/arm64/include/vfp.h > @@ -35,7 +35,7 @@ > #define VFPCR_AHP (0x04000000) /* alt. half-precision: */ > #define VFPCR_DN (0x02000000) /* default NaN enable */ > #define VFPCR_FZ (0x01000000) /* flush to zero enabled = */ > -#define VFPCR_INIT VFPCR_DN /* Default fpcr after exec */ > +#define VFPCR_INIT 0 /* Default fpcr after exec */ > =20 > #define VFPCR_RMODE_OFF 22 /* rounding mode offset */ > #define VFPCR_RMODE_MASK (0x00c00000) /* rounding mode mask = */ > _______________________________________________ > dev-commits-src-all@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all = > To unsubscribe, send any mail to = "dev-commits-src-all-unsubscribe@freebsd.org"