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Re: [atom]: PATCH: reg_mentioned_by_mem_p with DF
>> I don't remember exactly, but I think Jakub is right. I don't think DF
>> is kept up to date by the last passes, especially after BLOCK_FOR_INSN
>> is unset.
>
> As far as I know, the df-scan info is also OK in final. But I may be wrong.
>
> The question is then: Which is wrong? That DF is not available, or the
> patch? I vote "the patch".
Me too. :-) And I suspect that it may actually not matter that DF is
not available, though I do not know atom branch very well.
If I hadn't already muddled myself in the cond-optab stuff, I'd try and
see which ports actually do split after md reorg.
Paolo