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| author | Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> | 2003-06-26 09:52:10 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2003-06-26 07:52:10 +0000 |
| commit | af166e5d276114872596002803f7c300fc41a511 (patch) | |
| tree | 705173673c74024b0bd270eb542967036fde5a26 /gcc/toplev.c | |
| parent | ff25ef99762093b40198f4560cfd78a0e6e61ffb (diff) | |
| download | gcc-af166e5d276114872596002803f7c300fc41a511.zip gcc-af166e5d276114872596002803f7c300fc41a511.tar.gz gcc-af166e5d276114872596002803f7c300fc41a511.tar.bz2 | |
value-prof.c: New.
* value-prof.c: New.
* value-prof.h: New.
* Makefile.in (value-prof.o): New.
(LIBGCOV): Add _gcov_merge_single and _gcov_merge_delta
(profile.o): Add value-prof.h and tree.h dependency.
* flags.h (flag_profile_values): Declare.
* gcov-io.h (GCOV_COUNTERS, GCOV_COUNTER_NAMES, GCOV_MERGE_FUNCTIONS):
Add new counters.
(GCOV_COUNTER_V_INTERVAL, GCOV_COUNTER_V_POW2, GCOV_COUNTER_V_SINGLE,
GCOV_COUNTER_V_DELTA): New counter sections.
(__gcov_merge_single, __gcov_merge_delta): Declare.
* flow.c (mark_used_regs): Set subregs_of_mode only when the
structure is initialized.
* libgcov.c (__gcov_merge_single, __gcov_merge_delta): New functions.
* profile.c: Include value-prof.h and tree.h.
(gen_interval_profiler, gen_pow2_profiler, gen_one_value_profiler,
gen_const_delta_profiler, instrument_values): New static functions.
(get_exec_counts): Fix comment.
(branch_prob): Invoke instrument_values.
* toplev.c (flag_profile_values): New flag.
* doc/invoke.texi (-fprofile-values): Document.
From-SVN: r68519
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 68fbb29..6d1dd44 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -410,6 +410,10 @@ int profile_flag = 0; int profile_arc_flag = 0; +/* Nonzero if value histograms should be measured. */ + +int flag_profile_values = 0; + /* Nonzero if generating info for gcov to calculate line test coverage. */ int flag_test_coverage = 0; @@ -1184,6 +1188,8 @@ static const lang_independent_options f_options[] = N_("Create data files needed by gcov") }, {"branch-probabilities", &flag_dummy, 1, N_("Use profiling information for branch probabilities") }, + {"profile-values", &flag_profile_values, 1, + N_("Insert code to profile values of expressions") }, {"profile", &flag_dummy, 1, N_("Enable basic program profiling code") }, {"reorder-blocks", &flag_dummy, 1, |