[PATCH] Fix PR target/6512

[Jakub Jelinek]

On Tue, Apr 30, 2002 at 03:12:35PM -0700, David S. Miller wrote:
>    From: Richard Henderson <rth@redhat.com>
>    Date: Tue, 30 Apr 2002 12:31:12 -0700
> 
>    On Tue, Apr 30, 2002 at 02:19:05PM +0200, Jakub Jelinek wrote:
>    > I've tried patch P3 (changing e -> f constraints for e <- o and o <- e
>    > alternatives), but it did work at all, for the above insn
>    > reload just tried (set %f40 (mem ())); (set %f40 %f40).
>    
>    Means you're missing a test in SECONDARY_RELOAD_NEEDED.
>    
>    The P3 test is more correct.  The aligned case is handled by
>    the e/W alternative.
>    
> Please note, this is almost surely the same bug as shown by
> PR target/5628
> 
> If you fix PR target/6512 properly, you'll most likely end up
> fixing PR target/5628 as well.

I've just tested it and the patch I'm bootstrapping ATM for target/6512
(P3 + corresponding SECONDARY_*_CLASS changes) fixes target/5628 too.

	Jakub