[PATCH] Fix movstr expansion (PR target/43636)

[Andreas Krebbel]

> 2010-05-28  Jakub Jelinek<jakub@redhat.com>
>
> 	PR target/43636
> 	* builtins.c (expand_movstr): Use a temporary pseudo instead
> 	of target even when target is not NULL and not const0_rtx, but
> 	fails movstr predicate.
> 	* config/m32c/blkmov.md (movstr): Add predicate to first operand.
>
> 	* gcc.c-torture/compile/pr43636.c: New test.

In the meantime also the bootstraps on s390 and s390x finished. No regressions. 
Thanks for the fix!

Bye,

-Andreas-