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| author | Jan Hubicka <jh@suse.cz> | 2002-06-01 23:31:42 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2002-06-01 21:31:42 +0000 |
| commit | 5c856b23687ca60610fb67b80f1e1e663c2db691 (patch) | |
| tree | e841b1f75587810fd318b1bbb37216cd8835c623 /gcc/params.def | |
| parent | e2405951a6550c5f6901988d8afc641baa971325 (diff) | |
| download | gcc-5c856b23687ca60610fb67b80f1e1e663c2db691.zip gcc-5c856b23687ca60610fb67b80f1e1e663c2db691.tar.gz gcc-5c856b23687ca60610fb67b80f1e1e663c2db691.tar.bz2 | |
Makefile.in (tracer.o): New.
* Makefile.in (tracer.o): New.
* params.def (TRACER_*): New options.
* rtl.h (tracer): Declare.
* timevar.def (TV_TRACER): New.
* toplev.c (dump_file_index): Add DFI_tracer.
(dump_file_info): Add tracer.
(flag_tracer): New.
(lang_indepdenent_options): Add tracer.
(rest_of_compilation): Call tracer.
* tracer.c: New file.
* invoke.texi (-ftracer): Document.
(--param tracer-*): Document.
From-SVN: r54154
Diffstat (limited to 'gcc/params.def')
| -rw-r--r-- | gcc/params.def | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/gcc/params.def b/gcc/params.def index de55ecc..1b31055 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -153,12 +153,43 @@ DEFPARAM(PARAM_MAX_UNROLLED_INSNS, DEFPARAM(HOT_BB_COUNT_FRACTION, "hot-bb-count-fraction", - "Select fraction of the maximal count of repetitions of basic block in program given basic block needs to have to be considered hot", + "Select fraction of the maximal count of repetitions of basic block in \ +program given basic block needs to have to be considered hot", 10000) DEFPARAM(HOT_BB_FREQUENCY_FRACTION, "hot-bb-frequency-fraction", - "Select fraction of the maximal frequency of executions of basic block in function given basic block needs to have to be considered hot", + "Select fraction of the maximal frequency of executions of basic \ +block in function given basic block needs to have to be considered hot", 1000) +DEFPARAM(TRACER_DYNAMIC_COVERAGE_FEEDBACK, + "tracer-dynamic-coverage-feedback", + "The percentage of function, weighted by execution frequency, that \ +must be covered by trace formation. Used when profile feedback is available", + 95) +DEFPARAM(TRACER_DYNAMIC_COVERAGE, + "tracer-dynamic-coverage", + "The percentage of function, weighted by execution frequency, that \ +must be covered by trace formation. Used when profile feedback is not available", + 75) +DEFPARAM(TRACER_MAX_CODE_GROWTH, + "tracer-max-code-growth", + "Maximal code growth caused by tail duplication (in percents)", + 100) +DEFPARAM(TRACER_MIN_BRANCH_RATIO, + "tracer-min-branch-ratio", + "Stop reverse growth if the reverse probability of best edge is less \ +than this threshold (in percents)", + 10) +DEFPARAM(TRACER_MIN_BRANCH_PROBABILITY_FEEDBACK, + "tracer-min-branch-probability-feedback", + "Stop forward growth if the probability of best edge is less than \ +this threshold (in percents). Used when profile feedback is available", + 30) +DEFPARAM(TRACER_MIN_BRANCH_PROBABILITY, + "tracer-min-branch-probability", + "Stop forward growth if the probability of best edge is less than \ +this threshold (in percents). Used when profile feedback is not available", + 50) /* Local variables: mode:c |