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| author | Martin Liska <mliska@suse.cz> | 2018-01-19 13:03:24 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-01-19 12:03:24 +0000 |
| commit | d1b9a5724b8a05d2d2d51b3e5d13cc785326c74f (patch) | |
| tree | d863029ec8847f8c570a3e805a923100689efd40 /gcc | |
| parent | 09a7858b2c53eccf28f780f5f3e4f2764f440eb1 (diff) | |
| download | gcc-d1b9a5724b8a05d2d2d51b3e5d13cc785326c74f.zip gcc-d1b9a5724b8a05d2d2d51b3e5d13cc785326c74f.tar.gz gcc-d1b9a5724b8a05d2d2d51b3e5d13cc785326c74f.tar.bz2 | |
Fix usage of analyze_brprob.py script.
2018-01-19 Martin Liska <mliska@suse.cz>
* analyze_brprob.py: Support new format that can be easily
parsed. Add new column to report.
2018-01-19 Martin Liska <mliska@suse.cz>
* predict.c (dump_prediction): Add new format for
analyze_brprob.py script which is enabled with -details
suboption.
* profile-count.h (precise_p): New function.
From-SVN: r256886
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/predict.c | 13 | ||||
| -rw-r--r-- | gcc/profile-count.h | 5 |
3 files changed, 25 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c11f8c7..5ea286f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2018-01-19 Martin Liska <mliska@suse.cz> + + * predict.c (dump_prediction): Add new format for + analyze_brprob.py script which is enabled with -details + suboption. + * profile-count.h (precise_p): New function. + 2018-01-19 Richard Sandiford <richard.sandiford@linaro.org> PR tree-optimization/83922 diff --git a/gcc/predict.c b/gcc/predict.c index 4c1e448..fdf5d82 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -747,6 +747,19 @@ dump_prediction (FILE *file, enum br_predictor predictor, int probability, } fprintf (file, "\n"); + + /* Print output that be easily read by analyze_brprob.py script. We are + interested only in counts that are read from GCDA files. */ + if (dump_file && (dump_flags & TDF_DETAILS) + && bb->count.precise_p () + && reason == REASON_NONE) + { + gcc_assert (e->count ().precise_p ()); + fprintf (file, ";;heuristics;%s;%" PRId64 ";%" PRId64 ";%.1f;\n", + predictor_info[predictor].name, + bb->count.to_gcov_type (), e->count ().to_gcov_type (), + probability * 100.0 / REG_BR_PROB_BASE); + } } /* Return true if STMT is known to be unlikely executed. */ diff --git a/gcc/profile-count.h b/gcc/profile-count.h index 7a43917..03e6635 100644 --- a/gcc/profile-count.h +++ b/gcc/profile-count.h @@ -691,6 +691,11 @@ public: { return !initialized_p () || m_quality >= profile_guessed_global0; } + /* Return true if quality of profile is precise. */ + bool precise_p () const + { + return m_quality == profile_precise; + } /* When merging basic blocks, the two different profile counts are unified. Return true if this can be done without losing info about profile. |