From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joern Rennecke <amylaar@cygnus.co.uk>
To: chris@lslsun.epfl.ch (Christian Iseli)
Cc: crux@Pool.Informatik.RWTH-Aachen.DE, pcg@goof.com, egcs@cygnus.com
Subject: Re: question regarding asm()
Date: Tue, 28 Oct 1997 10:25:00 -0000
Message-id: <199710281751.RAA05371@phal.cygnus.co.uk>
References: <199710281607.RAA24080@lslsun17.epfl.ch>
X-SW-Source: 1997-10/msg01191.html

> resulting compiler produced slightly better code, but died a few times with the
> "forbidden register was spilled" message.  Most of the time, GCC was trying to
> spill the (unneeded) frame pointer.  I applied a small patch to tell reload that
> it's OK to spill the FP when it is not needed and now I'm left with only a few

You should rather use an extra hard register number for the frame pointer,
and then eliminate this frame pointer either to the hard frame pointer or
to the stack.