r173605 - in /branches/google/main/gcc: ChangeL...

[eraman at gcc dot gnu dot org]

Author: eraman
Date: Tue May 10 02:03:18 2011
New Revision: 173605

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173605
Log:
2011-05-09  Silvius Rus <silvius.rus@gmail.com>

	* value-prof.c (interesting_stringop_to_profile_p): Disbale
	stringop profiling if reuse distance profiling is turned on.
	* value-prof.h (gimple_gen_reusedist, optimize_reusedist): Declare.
	* gcov-io.h: (GCOV_COUNTER_REUSE_DIST): New counter.
	(GCOV_COUNTERS): Update.
	(GCOV_COUNTER_NAMES): Add reuse_distance.
	(GCOV_MERGE_FUNCTIONS): Add __gcov_merge_reusedist.
	(__gcov_merge_reusedist): New declaration.
	* profile.c (branch_prob): Enable reuse distance profiling and
	optimization.
	* common.opt (fprofile-reusedist, foptimize-locality): New options.
	* tree-profile.c: Include params.h.
	(stringop_subst, reusedist_t): New structures.
	(stringop_subst_t, reusedist_t): New typedefs.
	(stringop_decl): New global array.
	(RD_NUM_COUNTERS): New constant.
	(get_stringop_subst, reusedist_is_interesting_call)
	(reusedist_instr_func_name, reusedist_get_instr_decl)
	(reusedist_make_instr_call, reusedist_from_counters)
	(gimple_gen_reusedist, nt_op_name, reusedist_get_size_threshold)
	(reusedist_get_distance_large_threshold)
	(reusedist_get_distance_small_threshold)
	(reusedist_get_count_threshold, reusedist_nt_is_worth_it)
	(reusedist_get_nt_decl, maybe_issue_profile_use_note)
	(reusedist_maybe_replace_with_nt_version, optimize_reusedist): New
	functions.
	(gate_tree_profile_ipa): Return true if reuse distance instrumentation
	or use is turned on.
	* Makefile.in (LIBGCOV): Add _gcov_merge_reusedist.
	* libgcov.c (__gcov_weighted_mean2, __gcov_merge_reusedist): New
	functions.
	* params.def (PARAM_REUSEDIST_MEAN_DIST_LARGE_THRESH)
	(PARAM_REUSEDIST_MEAN_DIST_SMALL_THRESH)
	(PARAM_REUSEDIST_CALL_COUNT_THRESH, PARAM_REUSEDIST_MEMCPY_SIZE_THRESH)
	(PARAM_REUSEDIST_MEMSET_SIZE_THRESH): New params.



Modified:
    branches/google/main/gcc/ChangeLog.google-main
    branches/google/main/gcc/Makefile.in
    branches/google/main/gcc/common.opt
    branches/google/main/gcc/gcov-io.h
    branches/google/main/gcc/libgcov.c
    branches/google/main/gcc/params.def
    branches/google/main/gcc/profile.c
    branches/google/main/gcc/tree-profile.c
    branches/google/main/gcc/value-prof.c
    branches/google/main/gcc/value-prof.h