r205378 - in /branches/google/gcc-4_8/gcc: basi...

tejohnson@gcc.gnu.org tejohnson@gcc.gnu.org
Tue Nov 26 03:48:00 GMT 2013


Author: tejohnson
Date: Tue Nov 26 03:48:06 2013
New Revision: 205378

URL: http://gcc.gnu.org/viewcvs?rev=205378&root=gcc&view=rev
Log:
Backport a variety of profile maintanance fixes from trunk to google/4_8:
r203041 r203126 r203152 r203395 r203823 r203830 r204178 r204704 r204756
r197595 198416 202128

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r203041 | law | 2013-09-30 13:09:25 -0700 (Mon, 30 Sep 2013) | 7 lines

2013-09-30  Teresa Johnson  <tejohnson@google.com>

	* tree-ssa-threadupdate.c (ssa_fix_duplicate_block_edges):
	Update redirected out edge count in joiner case.
	(ssa_redirect_edges): Common the joiner and non-joiner cases
	so that joiner case gets profile updates.
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r203126 | tejohnson | 2013-10-02 12:18:17 -0700 (Wed, 02 Oct 2013) | 18 lines

2013-10-02  Teresa Johnson  <tejohnson@google.com>

	* dojump.c (do_jump_1): Divide probability between
	both conditions of a TRUTH_ORIF_EXPR.

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r203152 | tejohnson | 2013-10-02 22:06:05 -0700 (Wed, 02 Oct 2013) | 8 lines

2013-10-02  Teresa Johnson  <tejohnson@google.com>

	* predict.c (probably_never_executed): New function.
	(probably_never_executed_bb_p): Invoke probably_never_executed.
	(probably_never_executed_edge_p): Ditto.
	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
	Treat profile insanities conservatively.

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r203395 | tejohnson | 2013-10-10 13:30:08 -0700 (Thu, 10 Oct 2013) | 9 lines

2013-10-10  Teresa Johnson  <tejohnson@google.com>

	* predict.c (tree_estimate_probability): Add new parameter
	for estimate_bb_frequencies.
	(estimate_bb_frequencies): Add new parameter to force estimation.
	(rebuild_frequencies): When max frequency in function is small,
	recompute counts from frequencies.
	* predict.h (estimate_bb_frequencies): New parameter.

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r203823 | tejohnson | 2013-10-18 07:36:53 -0700 (Fri, 18 Oct 2013) | 5 lines

2013-10-18  Teresa Johnson  <tejohnson@google.com>

	* tree-ssa-tail-merge.c (replace_block_by): Update edge
	weights during merging.

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r203830 | tejohnson | 2013-10-18 10:25:44 -0700 (Fri, 18 Oct 2013) | 6 lines

2013-10-18  Teresa Johnson  <tejohnson@google.com>

	* predict.c (probably_never_executed): Compare frequency-based
	count to number of training runs.
	* params.def (UNLIKELY_BB_COUNT_FRACTION): New parameter.

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r204178 | tejohnson | 2013-10-29 13:39:49 -0700 (Tue, 29 Oct 2013) | 6 lines

2013-10-29  Teresa Johnson  <tejohnson@google.com>

	PR ipa/58862
	* tree-ssa-tail-merge.c (replace_block_by): Tolerate profile
	insanities when updating probabilities.

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r204704 | tejohnson | 2013-11-12 07:03:28 -0800 (Tue, 12 Nov 2013) | 12 lines

2013-11-12  Teresa Johnson  <tejohnson@google.com>
	    Jan Hubicka  <jh@suse.cz>

	* predict.c (drop_profile): New function.
	(handle_missing_profiles): Ditto.
	(counts_to_freqs): Don't overwrite estimated frequencies
	when function has no profile counts.
	* predict.h (handle_missing_profiles): Declare.
	* tree-inline.c (freqs_to_counts): New function.
	(copy_cfg_body): Invoke freqs_to_counts as needed.
	* tree-profile.c (tree_profiling): Invoke handle_missing_profiles.

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r204756 | tejohnson | 2013-11-13 13:51:44 -0800 (Wed, 13 Nov 2013) | 6 lines

2013-11-13  Teresa Johnson  <tejohnson@google.com>

	PR ipa/58862
	* predict.c (drop_profile): Error is currently too strict.
	(handle_missing_profiles): Pass call_count to drop_profile.

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r197595 | tejohnson | 2013-04-08 10:39:10 -0700 (Mon, 08 Apr 2013) | 60 lines

2013-04-08  Teresa Johnson  <tejohnson@google.com>

	* basic-block.h (GCOV_COMPUTE_SCALE): Define.

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r198416 | tejohnson | 2013-04-29 06:22:46 -0700 (Mon, 29 Apr 2013) | 25 lines

2013-04-29  Teresa Johnson  <tejohnson@google.com>

	* basic-block.h (apply_scale): New function.
	(apply_probability): Use apply_scale.

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r202128 | hubicka | 2013-08-31 06:32:31 -0700 (Sat, 31 Aug 2013) | 2 lines

	* basic-block.h (apply_scale): Make scale parmeter gcov_type.

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Modified:
    branches/google/gcc-4_8/gcc/basic-block.h
    branches/google/gcc-4_8/gcc/bb-reorder.c
    branches/google/gcc-4_8/gcc/dojump.c
    branches/google/gcc-4_8/gcc/params.def
    branches/google/gcc-4_8/gcc/predict.c
    branches/google/gcc-4_8/gcc/predict.h
    branches/google/gcc-4_8/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-3.c
    branches/google/gcc-4_8/gcc/tree-inline.c
    branches/google/gcc-4_8/gcc/tree-profile.c
    branches/google/gcc-4_8/gcc/tree-ssa-tail-merge.c
    branches/google/gcc-4_8/gcc/tree-ssa-threadupdate.c



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