On Fri, Nov 25, 2005 at 07:20:52PM +0100, Ulrich Weigand wrote:
> > c) Modify the ppc 'Z' constraint to match the indexed address reload
> > generates. This would rely on the pattern we generate in
> > LEGITIMIZE_RELOAD_ADDRESS never being generated elsewhere.
[snip]
>
> Overall, I'd tend to pref
Hi Alan,
the problem you point out is really just the tip of the iceberg --
currently reload frequently decides it *will* perform an action in the
future, and assumes that other code will anyway behave as if that action
had already been completed ...
This is why e.g. the 'm' constraint accepts *a
Hi Ulrich,
In http://gcc.gnu.org/ml/gcc-patches/2004-07/msg01557.html, you
changed the return value of find_reloads_address to be tristate, in the
process modifying the meaning of a win from LEGITIMIZE_RELOAD_ADDRESS.
Prior to your change, a win meant that LEGITIMIZE_RELOAD_ADDRESS had
guaranteed