Let's backport speedups from 3.4 to 3.3

[Mike Stump]

On Wednesday, February 12, 2003, at 08:15 AM, Kaveh R. Ghazi wrote:
> I've heard some mention that 3.4 is faster in some cases than 3.3.
>
> I know several speedup tweeks have been made since the branch was
> created.  Not all of them have been backported.
>
> If they're not too invasive, let's consider them for 3.3.  I'm willing
> to help by regtesting patches if people can point out safe candidates.
> Though I'd certainly appreciate assistance from others. :-)

Here are two safe patches.  Already OKed to move, they just await a 
regtest on 3.3.  Could you do that, and let me know they are in?  
Thanks.

http://gcc.gnu.org/ml/gcc-patches/2003-02/msg00563.html

I tried doing the regtest, but had some timeouts (bad, ick, coff) that 
wanted more attention.