[patch/rfc] Add host's floatformat

[Mark Kettenis]

   Date: Sat, 01 May 2004 08:53:40 -0400
   From: Andrew Cagney <cagney@gnu.org>

   Hello,

   This patch adds the host's floatformat (when known) to floatformat.[hc]. 
   It lets us wack of a heap of bogus code in GDB's configury.

Hmm.  I'm all for whacking the xm-*.h files, but isn't it better to
keep this local to GDB instead of stuffing it into libiberty?  If so,
we should probably put most of the stuff in configure.host, such that
we can avoid regenerating configure when updating the float support.

   DJ, any comments?  I'll need to double commit.

As for DJ's comments: yes a lookup table to determine things at
runtime would be better, but implementing that needs some serious
work.

Mark