From mboxrd@z Thu Jan  1 00:00:00 1970
From: Oleg Krivosheev <kriol@fnal.gov>
To: Joe Buck <jbuck@synopsys.com>
Cc: frichard@bbn.com, egcs@cygnus.com
Subject: Re: sparc64 support for Solaris
Date: Fri, 17 Oct 1997 21:50:00 -0000
Message-id: <Pine.GSO.3.96.971017230809.10734A-100000@drabble>
References: <199710180206.TAA24784@atrus.synopsys.com>
X-SW-Source: 1997-10/msg00797.html

On Fri, 17 Oct 1997, Joe Buck wrote:

> > I was wondering how I can enable 64 bit support and v9 instruction
> > scheduling for an Ultra 1 Model 170 running Solaris2.5.  This is
> > apparently not possible when the target is "sparc-sun-solaris2.5.1".
> 
> If you turned it on, your process would bomb at the first context switch.
> Solaris 2.5.x does not save the 64-bit register state, so basically some
> registers will come back randomized (from other processes?).

hmm...
are you sure ?
Solaris2.5.1 ultra != solaris 2.5.1 32bit sparc.

> Solaris 2.6 is supposed to fix this.  

no

64bit interface will be in Solaris 2.7, Q1 next year i've heard

OK