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Re: [rfa:i386] Add mmx registers

   Date: Tue, 13 Aug 2002 17:55:33 -0400
   From: Andrew Cagney <ac131313@ges.redhat.com>

   >    +  set_gdbarch_pseudo_register_read (gdbarch, i386_pseudo_register_read);
   >    +  set_gdbarch_pseudo_register_write (gdbarch, i386_pseudo_register_write);
   > 
   > changes the i386 target's register cache from "legacy" to "new".  This
   > means that there isn't room for the pseudo registers in
   > register_valid_p, yet registers_changed() tries to frob the entries
   > for the pseudo registers.
   > 
   > I don't see an obvious way to fix this.  Any bright ideas Andrew?

   Hmm, yes.  It should be clearing:
	   [0 .. current_regcache->descr->nr_raw_registers)

Clearing the pseudo registers isn't necessary on targets that still
use the legacy stuff?

Mark
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