From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Henderson <rth@cygnus.com>
To: pkoning@xedia.com (Paul Koning)
Cc: law@cygnus.com, crux@Pool.Informatik.RWTH-Aachen.DE, egcs@cygnus.com
Subject: Re: Some Haifa scheduler bugs
Date: Wed, 03 Sep 1997 13:13:00 -0000
Message-id: <199709032013.NAA20023@rtl.cygnus.com>
References: <9709031838.AA27038@kona.>
X-SW-Source: 1997-09/msg00114.html

> If that switch indeed depends on not faulting references to zero, it
> probably isn't worth having.

There exist CPUs, e.g. UltraSparc, that have special non-faulting loads
that are explicitly architected to support this kind of optimization.


r~