[Patch ARM] Fix PR target/38571

[Richard Earnshaw]

On Thu, 2009-04-30 at 10:23 +0100, Ramana Radhakrishnan wrote:
> Hi Richard,
> 
> Setting function boundary while optimizing for space so that users don't 
> get a performance hit with thumb and 16 bit alignments and force alignment
> to 32 bits as pointed out.
> 
> Ok to commit now?
> 
> 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
> 
>  	PR target/38571
>  	* config/arm/arm.h (FUNCTION_BOUNDARY): Define as 16 for Thumb
> 	while optimizing for size.

OK.