new-ra code sizes on Hitachi H8

[Kazu Hirata]

Hi Toshi,

> The Hitachi H8 is a fairly difficult register-allocation situation -
> only 8 general-purpose registers. So new-ra seems to be doing fairly
> well.  Only 4 testcases increased in size; the other 12 decreased in
> size.

This is impressive.  Maybe I should help Michael Matz by running
testsuite and other things with -fnew-ra.  Thanks for reporting this.
Also I am happy to see code size decreasing over the past few
years. :-)

Kazu Hirata