r216523 - in /trunk/gcc: ChangeLog Makefile.in ...

[dehao@gcc.gnu.org]

Author: dehao
Date: Tue Oct 21 17:59:30 2014
New Revision: 216523

URL: https://gcc.gnu.org/viewcvs?rev=216523&root=gcc&view=rev
Log:
Add AutoFDO.

gcc/ChangeLog:

2014-10-21  Dehao Chen  <dehao@google.com>

	* auto-profile.c: New file.
	* auto-profile.h: New file.
	* basic-block.h (maybe_hot_count_p): New export func.
	(add_working_set): New export func.
	* gcov-io.h (GCOV_TAG_AFDO_FILE_NAMES): New tag.
	(GCOV_TAG_AFDO_FUNCTION): Likewise.
	(GCOV_TAG_AFDO_WORKING_SET): Likewise.
	* opts.c (enable_fdo_optimizations): New func.
	(common_handle_option): Handle -fauto-profile flag.
	* ipa-inline.c (want_early_inline_function_p): Iterative-einline.
	(class pass_early_inline): Export early_inliner.
	(early_inliner): Likewise.
	(pass_early_inline::execute): Likewise.
	* ipa-inline.h (early_inliner): Likewise.
	* predict.c (maybe_hot_count_p): New export func.
	(counts_to_freqs): AutoFDO logic.
	(rebuild_frequencies): Likewise.
	* tree-profile.c (pass_ipa_tree_profile::gate): Likewise.
	* profile.c (add_working_set): New func.
	* Makefile.in (auto-profile.o): New object file.
	* passes.def (pass_ipa_auto_profile): New pass.
	* tree-ssa-live.c (remove_unused_scope_block_p): AutoFDO logic.
	* tree-pass.h (make_pass_ipa_auto_profile): New pass.
	* toplev.c (compile_file): AutoFDO logic.
	* doc/invoke.texi (-fauto-profile): New doc.
	* coverage.c (coverage_init): AutoFDO logic.
	* common.opt (-fauto-profile): New flag.
	* timevar.def (TV_IPA_AUTOFDO): New tag.
	* value-prof.c (gimple_alloc_histogram_value): New export func.
	(check_ic_target): Likewise.
	* value-prof.h (gimple_alloc_histogram_value): Likewise.
	(check_ic_target): Likewise.

Added:
    trunk/gcc/auto-profile.c
    trunk/gcc/auto-profile.h
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/Makefile.in
    trunk/gcc/basic-block.h
    trunk/gcc/common.opt
    trunk/gcc/coverage.c
    trunk/gcc/doc/invoke.texi
    trunk/gcc/gcov-io.h
    trunk/gcc/ipa-inline.c
    trunk/gcc/ipa-inline.h
    trunk/gcc/opts.c
    trunk/gcc/passes.def
    trunk/gcc/predict.c
    trunk/gcc/profile.c
    trunk/gcc/timevar.def
    trunk/gcc/toplev.c
    trunk/gcc/tree-pass.h
    trunk/gcc/tree-profile.c
    trunk/gcc/tree-ssa-live.c
    trunk/gcc/value-prof.c
    trunk/gcc/value-prof.h