This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
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