params.def (PARAM_INDIR_CALL_TOPN_PROFILE): New param.

2014-10-06  Rong Xu  <xur@google.com>

	* gcc/params.def (PARAM_INDIR_CALL_TOPN_PROFILE): New param.
	* gcc/tree-profile.c: (params.h): New include.
        (init_ic_make_global_vars): Make __gcov_indirect_call_topn_callee
        and __gcov_indirect_call_topn_counters for
        indirect_call_topn_profile.
	(gimple_init_edge_profiler): New decls for 
        __gcov_indirect_call_topn_profiler.
	(gimple_gen_ic_profiler): Generate the correct profiler call.
	(gimple_gen_ic_func_profiler): Fix format.
	* gcc/value-prof.c (params.h): New include.
        (dump_histogram_value): Hanlde indirect_call_topn counters.
	(stream_in_histogram_value): Ditto.
	(gimple_indirect_call_to_profile): Use indirect_call_topn
        profile when PARAM_INDIR_CALL_TOPN_PROFILE is set.
	(gimple_find_values_to_profile): Hanlde indirect_call_topn
        counters.
	* gcc/value-prof.h (enum hist_type): Histrogram type for
        indirect_call_topn counters.
	* gcc/profile.c (instrument_values): Instrument
        indirect_call_topn counters.

From-SVN: r215963