[PATCH] PR target/34814 Force SDmode function args into FP registers per the ABI

[Peter Bergner]

On Thu, 2008-01-24 at 10:22 -0800, Ian Lance Taylor wrote:
> Peter Bergner <bergner@vnet.ibm.com> writes:
> 
> > +/* By default, do nothing. */
> > +
> > +void
> > +default_scan_vars (void)
> > +{
> > +  return;
> > +}
> > +
> > +/* By default, do nothing. */
> > +
> > +void
> > +default_instantiate_decls (void)
> > +{
> > +  return;
> > +}
> 
> Don't introduce these new functions.  Instead, use hook_void_void as
> the default.

Ah, I didn't know that existed, ok, I'll use that.


> scan_vars doesn't seem like a very good name to me; it's too generic.
> What you are looking for a special hook to use at expand time.  The
> name should include the word "expand".

Do you have a suggestion?  If not, is something like pre_expand_vars ok?


> The new target hooks must be documented in doc/tm.texi.
> 
> Please resend with changes--I'm only interested in the machine
> independent parts, David can look at the patches to the rs6000
> directory.

Ok, I'll change the code per your suggestions and repost along with
the changes David wants.  Thanks!


Peter