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Re: [rtlopt] Value profiling and optimalizations


Hello,

> >   #define GCOV_TAG_LOOP_HISTOGRAMS ((unsigned)0x01a30000)
> > + #define GCOV_TAG_VALUE_HISTOGRAMS ((unsigned)0x01a50000)
> What makes value histograms different from loop histograms for gcov?
> It would perhaps make sense to comonize more of the loop and value
> histograms code.

There is nothing different in them; I use different tags because loop
histograms and value histograms may be used independently (or both
together). A bit more of the code could indeed be shared (mostly the parts in
libgcc2.c).

Zdenek


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