>Hello,everyone.
>In CG,the CFLOW_Optimize will be called.I read the source and found that =
>Freq_Order_Blocks may be called in the CFLOW_Optimize =
>function.Freq_Oreder_Block may create cold regions,this may lead to some =
>trouble.But I am not quite sure whether the Freq_Order_Block will be =
>called in CG's CFLOW_Optimize for I have not read that part in detail.=20
>Could you please give me some help about this question?
>Thanks!
>
>With my best regards,
>Liu Yang
I'm not 100% sure what you're asking here.
Freq_Order_Blocks is indeed called for any opt level above -O0.
But to the best of my memory, I don't believe it will create an
explicit cold region as I think we needed some more tool support to
fully support this feature.
Hope this helps...
Ken
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