From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cygnus.com (unknown [205.180.230.5]) by dsl2.external.hp.com (Postfix) with SMTP id 2A999482A for ; Thu, 17 Jan 2002 17:43:00 -0700 (MST) To: Matthew Wilcox Cc: parisc-linux@parisc-linux.org Subject: Re: [parisc-linux] long double References: <20020118003542.F9221@parcelfarce.linux.theplanet.co.uk> Reply-To: drepper@redhat.com (Ulrich Drepper) From: Ulrich Drepper Date: 17 Jan 2002 16:42:46 -0800 In-Reply-To: <20020118003542.F9221@parcelfarce.linux.theplanet.co.uk> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: Matthew Wilcox writes: > (3) Change both gcc and glibc to think that long double is actually > 128-bits wide. This is definitely what you should do. glibc includes now a full set of 128-bit math functions. They should be used everywhere the ABI are not demanding the braindamaged 96-bit format. Even Alpha, PPC, etc will change to this when time comes. > This is almost certainly going to break some packages, and the > kernel FP support may have to be enhanced to emulate some of the > opcodes. Not necessarily. Look at soft-fp support in glibc. -- ---------------. ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Red Hat `--' drepper at redhat.com `------------------------