On February 27, 2015 11:03:14 PM GMT+01:00, Vladimir Makarov <vmaka...@redhat.com> wrote: > The following patch improves inheritance for PR64317 testcase > >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64317 > > I ran a lot SPEC2000 benchmarks to get better default parameter value >for EBB_PROBABILITY_CUTOFF in LRA inheritance. The new default >parameter >value improves SPECInt2000 by 0.4% on x86-64 without changing >SPECFP2000 >rate. The code size changes are insignificant (0.002% increase for >SPECInt and 0.01% decrease for SPECFP). > >The patch was bootstrapped and tested on x86-64. > >Committed as rev.221070.
+DEFPARAM (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF, + "lra-inheritance-ebb-probability-cutoff", + "Minimal fall-through edge probability in percentage used to add BB to inheritance EEB in LRA", + 40, 0, 100) s/EEB/EBB/ ? Thanks,