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Re: Question about 4.5.x register allocation
William Mahoney <wmahoney@mail.unomaha.edu> writes:
> I have moved the pass so that it is immediately after pass_ira - no
> difference, I still see register 75 (and 74). Also, df.c doesn't appear to
> be in my source - I assume it is now df-core.c which does have quite the
> documentation and I will take a look. Are you basically saying that after
> the hard assignments the live sets are not necessarily valid any more?
> That would be .. oh, the word that comes to mind is "bad"!
As far as I know the live sets should be valid provided you call
df_live_add_problem and df_analyze.
Ian