Patch to decrease time of building minimal delay issue table for the DFA scheduler

[Jan Hubicka]

>  In message <20020503225832.GI23248@atrey.karlin.mff.cuni.cz>, Jan Hubicka 
> writes:
>  > Just curious, how large is resulting insn-attrtab file?
>  > In my experiments large genattrtab times just signalized large files so
>  > I split the automatons.  You will probably find usefull to model decoders,
>  > ieu and fp as separate beasts.
> The DFA will eventually be factored and simplified.  RIght now the point
> behind that particular DFA is to 100% model the existing pipeline description
> for the PPro/P2/P3.
Hmm, does splitting of automatons affect the scheduling somewhat?
I believe that the old scheduler units are independent, so if you use separate
automaton for each unit (in old sense, not new one), it should still result in
same schedule, or am I missing something?

Honza