Re: Allow merging of units with profile feedback run different amount of times

[Jan Hubicka <hubicka at ucw dot cz>]

> >
> > ? ? ? ?PR tree-optimization/46760
> > ? ? ? ?* cgraph.c (cgraph_create_node): Initialize count_materialization_scale.
> > ? ? ? ?* cgraph.h (struct cgraph_node): Add count_materialization_scale.
> > ? ? ? ?* lto-cgraph.c (lto_output_edge): Fix assert.
> > ? ? ? ?(lto_output_node): Output count_materialization_scale.
> > ? ? ? ?(output_profile_summary): Output only runs and sum_max.
> > ? ? ? ?(input_node): Input count_materialization_scale.
> > ? ? ? ?(input_profile_summary): Read data into file specific gcov summary.
> > ? ? ? ?(merge_profile_summaries): New function.
> > ? ? ? ?(input_cgraph): Update call of input_profile_summary;
> > ? ? ? ?call merge_profile_summaries.
> > ? ? ? ?* lto-streamer-in.c (input_cfg): Add count_materialization_scale arg;
> > ? ? ? ?rescale counts at read in.
> > ? ? ? ?(intput_bb): Likewise.
> > ? ? ? ?(input_function): Update call of input_bb.
> > ? ? ? ?(lto_read_body): Update call of input_cfg.
> > ? ? ? ?* lto-streamer.h: Inlclude gcov-io.h
> > ? ? ? ?(lto_file_decl_data): Add gcov_ctr_summary.
> 
> It failed to bootstrap:
> 
> http://gcc.gnu.org/ml/gcc-regression/2010-12/msg00056.html

Hmm, missing dependency causing race during parallel build.  I will commit the obvious
fix adding dependency to lto-streamer.h on gcov-io.h

Honza
> 
> 
> H.J.
> ---